Index Catalog // ScholarsArchive@OSU

Early Selection for Improving Volume Growth in Coastal Douglas-fir Breeding Programs

Creator:: Ye, T. Z. and Jayawickrama, K. J. S.
Abstract:: Measurements on growth traits up to 41 years of age from 68 progeny sites in eight first-generation breeding zones of coastal Douglas-fir (Pseudotsuga menziesii [MIRB.] FRANCO var. menziesii) in the US Pacific Northwest were used to investigate age trends of genetic parameters and to determine optimum age of selection. Heritabilities...
Resource Type:: Article
Full Text:: . A., S. A. CAMPBELL, J. R. POWELL, B. E. WOLFE, R. M. CALLAWAY, G. C. THELEN, S. HALLET, D. PRATI

Associations Between Parenting Practices and Decision-Making Competence inEmerging Adults: A Prospective Study

Creator:: Michaels, Linsie
Abstract:: Developmental research has suggested that parenting practices may impact the development of risk behaviors later in life. However, little evidence exists regarding how parenting may impact actual decision processes that precede poor choices. This study examined how parenting practices in early childhood influence the development of decision-making competence (DMC), a...
Resource Type:: Honors College Thesis
Full Text:: . Abstract approved:_____________________________________________________ Joshua Weller

Development of a Boiling Surface Effectiveness Parameter by Modeling and Quantifying the Net Coolant Flow Rate

Creator:: Harrison, Matt
Abstract:: Boiling dynamics and related heat transfer mechanisms have been widely studied for several decades. During that time, incredible progress has been made on quantifying bubble departure phenomena including growth rate, departure frequency, associated natural and forced convection, and radiation additions to the overall heat transfer rate. With this, the thermal...
Resource Type:: Dissertation
Full Text:: similar to that of a fin Joshua L. Gess effectiveness parameter as this quantifies the utility

Thermal and Aerodynamic Effects of Surface Roughness Patterns on Additive Manufactured Heat Sinks

Creator:: Lundeen, Samuel L.
Abstract:: Breakthroughs in heat sink design are now limited by conventional manufacturing techniques which can only produce basic fin shapes with homogenous surface structuring. Additive Manufacturing (AM) is a potential disruptive technology for heat sink design and other convective heat transfer solutions, as surface properties can be directionally varied to maximize...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: __________________________________________________________________ Joshua Gess

The Building of a ‘Harmonious World’ and the Conflict of the Confucius Institute

Creator:: Flatt, Tomena M.
Abstract:: The Confucius Institutes program is a Chinese organization established in 2004 to provide the world with language instruction and increase cultural awareness. The program forms joint venture business models with universities and schools around the world to establish language and culture centers on their school’s campus (“Constitution and By-Laws”). Over...
Resource Type:: Masters Thesis
Full Text:: : ______________________________________________________ Joshua Reeves The Confucius Institutes program is a Chinese organization established

Greater sage-grouse apparent nest productivity and chick survival in Carbon County, Wyoming

Creator:: Kehmeier, Jon W., Hansen, Christopher P., Schreiber, Leslie A., Thompson, Frank R., III, Rumble, Mark A., Wojik, Nate, Millspaugh, Joshua J., and Gamo, R. Scott
Abstract:: Greater sage-grouse Centrocercus urophasianus populations across North America have been declining due to degradation and fragmentation of sagebrush habitat. As part of a study quantifying greater sage-grouse demographics prior to construction of a wind energy facility, we estimated apparent net nest productivity and survival rate of chicks associated with radio-equipped...
Resource Type:: Article
Full Text:: County, Wyoming Leslie A. Schreiber, Christopher P. Hansen, Mark A. Rumble, Joshua J. Millspaugh

An Evaluation of Onboarding and Training Procedures of Oregon State University County Extension Faculty

Creator:: Knight, Kelsey J.
Abstract:: Oregon State University Extension employs county-based Extension Faculty to deliver educational programs to communities across the state. County Extension Faculty are expected to be competent in various content and training can help prepare faculty for the profession. Using a needs assessment approach, this research evaluated the training available. The results...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Kelsey J. Knight for the

Development of Two-Color Laser Induced Fluorescence Fluid Temperature Imaging for Free Convection Heat Transfer Applications

Creator:: McAfee, Rachel C.
Abstract:: The development of a continuous and reliable cooling method for computer chips is an evolving subject requiring continuous research in both computer science and thermal management. Two-dye laser induced fluorescence (LIF) provides a minimally invasive way to investigate electronics cooling fluid behavior. Dielectric fluids are of particular interest as they...
Resource Type:: Honors College Thesis
Full Text:: :_____________________________________________________ Joshua Gess The development of a continuous and reliable cooling method for computer chips

Tracking of Melt Pool Motion Using Numerical Analysis of Laser Powder Bed Fusion

Creator:: Cox, Bryce
Abstract:: Laser Powder Bed Fusion (LPBF) is a process commonly used to create additively manufactured metal parts. The flexibility and complexity allowed by the LPBF process provides opportunity for significant advancement in multiple industries as parts can be customized in shape and function for specific needs. These benefits can be compounded...
Resource Type:: Dissertation
Full Text:: . Abstract approved: ______________________________________________________ Joshua L. Gess Laser

Individual Differences in Intuitive Risk Judgments

Creator:: Brunot, Alexander N.
Abstract:: The present research sought to investigate individual differences in the way individuals process intuitive risk judgments. The present investigation is centered on Fuzzy Trace Theory (Brainerd & Reyna, 1991), a developmental dual process theory of cognition which posits two ways in which individuals process information, gist and verbatim processing. 228...
Resource Type:: Masters Thesis
Full Text:: . Abstract approved: ______________________________________________________ Joshua A. Weller The

Two-Color Laser Induced Fluorescence Imaging of Fluid Temperature for Free Convection and Vapor Condensation

Creator:: McAfee, Rachel
Abstract:: The development of a continuous and reliable cooling method for computer chips is an evolving subject requiring continuous research in both computer science and thermal management. Two-color laser induced fluorescence (LIF) provides a non-invasive way to investigate electronics cooling fluid behavior. Dielectric fluids are of particular interest as they allow...
Resource Type:: Masters Thesis
Full Text:: Joshua L. Gess The development of a continuous and reliable cooling method for computer chips

Tethering and Biochar: Two Emergent Technologies with Implications for Fuels Treatments on Federal Forest Lands

Creator:: Petitmermet, Joshua H.
Abstract:: Two manuscripts are presented, each examining the potential impacts of emerging technologies on the economic feasibility of fuels reduction treatments on federal forest lands. Both manuscripts were prepared as part of the larger effort funded by the Institute for Working Forest Landscapes under the “Opportunities for biochar production to reduce...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Joshua H

Investigating the Validity of the Mayer-Salovey-Caruso Emotional Intelligence Test (MSCEIT)

Creator:: Landin, Joshua M.
Abstract:: study investigated the validity of the Perceiving Emotions branch of the Mayer-Salovey- Caruso Emotional Intelligence Test (MSCEIT). This was conducted through a correlational analysis with three previously validated measures of nonverbal communication proficiency; The Profile of Nonverbal Communication (PONS), the Diagnostic Analysis of Nonverbal Accuracy-2 (DANVA2), and the Affective Communication...
Resource Type:: Honors College Thesis
Full Text:: . Joshua M. Landin, Author ACKNOWLEDGEMENTS Frank J. Bernieri, Ph. D. for his time, patience

Evidence of a trophic cascade among wolves, elk, and aspen in Yellowstone National Park, USA

Creator:: Halofsky, Joshua S.
Abstract:: According to general top-down trophic theory, in the presence of carnivores, herbivore behavior and/or densities could change and result in an overall decrease in herbivory on plant communities. In this dissertation, I examined the potential relationship between gray wolf (Canis lupus) presence and absence on elk (Cervus elaphus) herbivory of...
Resource Type:: Dissertation
Full Text:: Joshua S. Halofsky for the degree of Doctor of Philosophy in Forest Resources presented on April 19

What You Should Know about Bringing Invertebrates into Oregon

Creator:: Vlach, Joshua J.
Resource Type:: Conference Proceeding
Full Text:: KNOW ABOUT BRINGING INVERTEBRATES INTO OREGON Joshua J. Vlach Oregon Department of

Evidence for the Potential Hybridization of Ammophila breviligulata and Ammophila arenaria in the Pacific Northwest.

Creator:: Borland, Joshua J.
Abstract:: Coastal dunes are dynamic and unique ecosystems. On the Pacific coast, dunes are generally dominated by the beach grasses, Ammophila breviligulata and Ammophila arenaria, two invasive species introduced in the early 1900’s to stabilize sand and create foredunes that serve to protect people who live behind them. Recently, a novel...
Resource Type:: Honors College Thesis
Full Text:: i ii AN ABSTRACT OF THE THESIS OF Joshua J. Borland for the

Determining the activity distribution on a radioactive stent using plastic scintillation techniques

Creator:: Bergman, Joshua J.
Abstract:: Re-occlusion of arteries following percutaneous transluminal coronary angioplasty (PTCA) remains a post-operative issue in the treatment of artery blockage. This re-narrowing of the luminal cavity, a condition called restenosis, has been attributed to the injury induced by PTCA balloon insertion. While arterial recoil can be completely prevented by a coronary...
Resource Type:: Masters Thesis
Full Text:: using plastic scintillation techniques AN ABSTRACT OF THE THESIS OF Joshua J. Bergman for the degree

Local Accessibility of Objective, Classical Reality

Creator:: Kincaid, Joshua J.
Abstract:: The fact that measuring a quantum system reduces it to apparently classical behavior, eliminating the interference patterns that are a hallmark of quantumness, cries out for an explanation. That explanation has been provided by the recognition of decoherence,whereby the interference is destroyed by the very interaction that acquires information.We begin...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Joshua James Kincaid for

Anti-Reflective Films: Spectroscopy and Ellipsometry of Porous Films

Creator:: Ramm, Joshua J.
Abstract:: The relationship between the index of refraction and the porosity of a material is that the index decreases with respect to the porosity. This property can be used to change the index of refraction of films which allows control of the reflection of the material. This is important because being...
Resource Type:: Undergraduate Thesis
Full Text:: . 91–138, Jan. 2002. [5] J.-Q. Xi et al., “Very low-refractive-index optical thin films consisting of

Melting Stage Analysis for Indirect Freeze Desalination

Creator:: Pratt, Mason G.
Abstract:: To investigate the melting stage of indirect freeze desalination three numerical models were developed. A zeroth, ﬁrst, and second order analyses modeled the melting of ice around the outside of a pipe as a function of time. The zeroth order analysis assumes the system to be steady state. The ﬁrst...
Resource Type:: Honors College Thesis
Full Text:: Liburdy Committee Member, representing Thermal-Fluid Sciences Joshua Gess Committee Member, representing

Exploring the Discrete Logarithm with Random Ternary Graphs

Creator:: Brugger, Max Francis Josef
Abstract:: Encryption is essential to the security of transactions and communications, but the algorithms on which they rely might not be as secure as we all assume. In this paper, we investigate the randomness of the discrete exponentiation function used frequently in encryption. We show how we used exponential generating functions...
Resource Type:: Honors College Thesis
Full Text:: would like to take this opportunity to thank my first advisor, Dr. Joshua Holden, for first inspiring

Mooring analysis of the Ocean Sentinel through field observation and numerical simulation

Creator:: Baker, Joshua L.
Abstract:: This study presents a mooring analysis of the Ocean Sentinel buoy, which is a mobile test platform for Wave Energy Converters. The Ocean Sentinel is owned and operated by the Northwest National Marine Renewable Energy Center (NNMREC) at Oregon State University (OSU). The study involved a field observation as well...
Resource Type:: Capstone Project
Full Text:: Observation and Numerical Simulation AN ABSTRACT OF THE PROJECT OF Joshua L. Baker

An investigation of transition from penetration to deflection in the fracture of bi-material interfaces

Creator:: Strom, Joshua L.
Abstract:: The problem of determining whether a crack impinging on an interface will penetrate into the substrate or deflect along the interface is vital to the effective design of layered and composite material systems. Of particular interest is the transition between crack propagation by penetration through an interface and deflection along...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Joshua

Human Eye Dosimetry: Air Gap Analysis by Shield Placement and Photon Energy

Creator:: Herrera, Joshua P.
Abstract:: When the ICRP updated their recommended limits for eye dose, they ignited a renewed interest in eye dosimetry. Especially, how the updated eye dose estimates affect current regulations and what that would mean to a radiation worker. Radiation workers are commonly required to wear leaded eyeglasses to reduce their dose...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Joshua P. Herrera for the

Phylogeny of the "Chaoboriform" genera

Creator:: Ogawa, Joshua R.
Abstract:: The phantom midges (Diptera: Chaoboridae) are a relatively small fly family composed of 50 extant species in six genera. Larvae are of interest to limnologists and ecologists because of their tolerance to toxicants, predatory avoidance strategies, and the role chaoborids play in zooplankton community dynamics. Relative to mosquitoes, systematists have...
Resource Type:: Dissertation
Full Text:: DISSERTATION OF Joshua R. Ogawa for the degree of Doctor of Philosophy in Zoology presented on June

Total synthesis of (-)-7-epicylindrospermopsin

Creator:: Hansen, Joshua D.
Abstract:: The first asymmetric synthesis of (-)-7-epicylindrospermopsin via intramolecular nitrone cycloaddition is described. The synthesis utilized a convergent approach to prepare the cycloaddition precursor 176, which was assembled by condensation of hydroxylamine 175 with aldehyde 145. Hydroxylamine 175 was synthesized from ethylene glycol (166) in seven steps. Aldehyde 145 was completed...
Resource Type:: Dissertation
Full Text:: OF THE DISSERTATION OF Joshua D. Hansen for the degree of Doctor of Philosophy in Chemistry

Conveying Affect: Vocal vs Nonverbal Cues

Creator:: Zheng, Joshua Y.
Abstract:: This study was interested in determining whether vocal communications or facial expressions and body language are more effective in communicating positive, neutral or negative affects when used in isolation and without deception. A sample of six male and six female (n = 12) students in Dr. Bernieri’s Winter term 2016...
Resource Type:: Research Paper
Full Text:: : CONVEYING AFFECT: VOCAL VS NONVERBAL 1 Conveying Affect: Vocal vs Nonverbal Cues Joshua Y. Zheng

An Interdisciplinary approach towards understanding late Pleistocene ice sheet change

Creator:: Cuzzone, Joshua K.
Abstract:: The results presented in this dissertation address a number of questions regarding late Pleistocene and Holocene ice-sheet and climate interactions, spanning disciplines involving paleoclimatology and atmospheric science. These studies use various techniques in geochemistry, climate modeling, and ice-sheet modeling to address ice- sheet response to climate and the attendant interactions...
Resource Type:: Dissertation
Full Text:: Josh_Thesis.pdf AN ABSTRACT OF THE DISSERTATION OF Joshua K

Characterization and application of PEO-containing triblock copolymer surfactants

Creator:: Snider, Joshua L.
Abstract:: The action of pendant, polyethylene oxide (PEO) brush layers as nonfouling coatings for biomedical materials is well understood. However progress toward clinical application of stable, high density PEO coatings has historically been impeded by the lack of cost effective, noninvasive methods for their preparation. Triblock polymers featuring a hydrophobic, polypropylene...
Resource Type:: Honors College Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Joshua L. Snider for

Habitat relationships of native and non-native fishes of the Willamette River, Oregon

Creator:: Williams, Joshua E.
Abstract:: The Willamette River flows north between the Cascade Mountains and Coast Range of western Oregon within a 29,728-km² basin. The fish community in the geologically young basin consists of 36 native species, but introductions of non-native fishes have added 33 additional species for a total of 69 fish species. During...
Resource Type:: Masters Thesis
Full Text:: Willamette River, Oregon AN ABSTRACT OF THE THESIS OF Joshua E. Williams for the

Application of Self-Assembled Monolayers to InGaZnO Thin Film Transistors

Creator:: Motley, Joshua R.
Abstract:: Investigations on the application of self-assembled monolayers (SAM) to indium gallium zinc oxide (IGZO) thin film transistors (TFT) for fabrication and channel modification are presented. The back channel of IGZO thin film transistors can be modified by the absorption of self-assembled monolayers. The electrical properties of the IGZO exposed back...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Joshua

Tree Species Selection Across Municipalities in the Pacific Northwest

Creator:: Petter, Joshua S.
Abstract:: There are many benefits provided by trees in urban areas. While there are many recommendations on maximizing the returns from urban trees, there has been little research examining how these managers are prioritizing their tree species selection. A survey instrument was constructed to survey Tree City USA designated cities across...
Resource Type:: Masters Thesis
Full Text:: ABSTRACT OF THE THESIS OF Joshua S. Petter for the degree of Master of Science in Forest Ecosystems

Comparing the United States West Coast Marine Protected Area levels of protection and their effectiveness to retain viable habitat connectivity with increasing human uses and global change

Creator:: Kesling, Joshua
Abstract:: Coastal communities rely on the abundant ecosystem services derived from robust conservation areas in offshore marine waters (Campbell, 2019). United Nations member states support the Sustainable Development Goal (SDG) framework, wherein the 14th guideline asserts the importance of life under water. Protected marine environments are critical to the survival of...
Resource Type:: Honors College Thesis
Full Text:: increasing human uses and global change by Joshua Redford Kesling A THESIS

Analysis of secondary structures in nucleic acid binding proteins and nuclear magnetic resonance investigation of helix propagation and residual motions in proteins

Creator:: Hicks, Joshua M.
Abstract:: This thesis involves analyses of 3₂-helices, a-helices and of the change in residual entropy of a protein upon chemical modification. Part of the long-term goal of understanding the formation, function and stability of proteins requires that all conformations be accurately assigned and structurally understood. By a statistical analysis of 258...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Joshua M. Hicks for the

Substitution Effects on the Structure and Electronic Behavior of Ternary Precious Metal Oxides

Creator:: Flynn, Joshua
Abstract:: Due to the high cost of precursor materials, complex oxides of 4d and 5d transition metals are under-studied compared to their 3d counterparts. Recent studies have shown that oxides containing heavier transition metals can exhibit exotic electronic states due to presence of strong spin-orbit coupling. The goal of this dissertation...
Resource Type:: Dissertation
Full Text:: Joshua Flynn for the degree of Doctor of Philosophy in Chemistry presented on March 7, 2017. Title

Jointed goatgrass : outcrossing, competition with winter wheat, and response to timing and rate of imazamox

Creator:: Cannon, Joshua B.
Abstract:: Jointed goatgrass (Aegilops cylindrica Host.) is a serious weed problem in wheat (Triticum aestivum L.) production in the United States. Studies were conducted to determine the outcrossing rate, competitive ability, and effectiveness of certain control practices on jointed goatgrass. A field study was conducted over two years at four locations...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Joshua B. Cannon for the degree of

Hay Josh - Thesis XN Mouse Study Josh Hay (final 06-10-15).pdf

Creator:: Hay, Joshua
Abstract:: Metabolic syndrome, characterized by a collection of risk factors including abdominal obesity, insulin insensitivity, elevated plasma triglycerides, hypertension and low plasma high-density lipoproteins (HDLs), is a major contributing factor to the development of cardiovascular diseases and type II diabetes (T2D). Xanthohumol (XN), a flavonoid isolated from Humulus lupulus cones, has...
Full Text:: obese mice By Joshua Hay An Undergraduate Thesis Submitted to Oregon

Division algebra representations of SO(4,2)

Creator:: Kincaid, Joshua James
Abstract:: Representations of SO(4,2;R) are constructed using 4 x 4 and 2 x 2 matrices with elements in H' ⊗ C . Using 2 x 2 matrix representations of C and H', the 4 x 4 representation is interpreted in terms of 16 x 16 real matrices. Finally, the known isomorphism...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Joshua James Kincaid for the

Societal Responses to Using Genetic Engineering for Mitigating Chestnut Blight and Restoring American Chestnut Trees

Creator:: Petit, Joshua D.
Abstract:: Forests face health threats from pests and diseases (e.g., mountain pine beetle, emerald ash borer, chestnut blight [CB], Swiss needle cast), and other issues such as climate change. Interventions such as genetic engineering (GE) have shown promise for mitigating some of these threats. CB, for example, has impacted most American...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Joshua D. Petit

Storm-induced mass wasting in forested areas: conditions and characteristics for three Western Oregon study sites

Creator:: Robben, Joshua L.
Abstract:: Much of the rich forestlands of Oregon are subject to frequent mass wasting events, resulting in severe environmental and economic damages. Extensive research has shown that this landslide hazard is often exacerbated by many management activities. Following a severe storm event which triggered thousands of landslides, the Oregon Department of...
Resource Type:: Capstone Project
Full Text:: CHARACTERISTICS FOR THREE WESTERN OREGON STUDY SITES by Joshua L. Robben A RESEARCH PAPER submitted to THE

Biophysical properties of the turnip yellow mosaic virus explored by coat protein mutagenesis

Creator:: Powell, Joshua D.
Abstract:: Plant viruses have been instrumental in our understanding of the biophysical properties pertaining to non-enveloped icosahedral virus particles. A substantial amount of research has been performed over five decades on Turnip yellow mosaic virus (TYMV), arguably one of the most extensively studied icosahedral plant viruses and the type-member of the...
Resource Type:: Dissertation
Full Text:: 2 AN ABSTRACT OF THE DISSERTATION OF Joshua D. Powell for the degree of Doctor of

Electrical Transport Measurements on the Alloy Sn₁-ₓCaₓSe

Creator:: Stahly, Joshua
Abstract:: Hall measurements can be made on the unstudied alloy, Sn₁-ₓCaₓSe to determine its electrical transport properties. The Sn₁-ₓCaₓSe samples were made by laser deposition into thin films and have a variable of calcium concentration x. These samples are approximately 250 nm in thickness, were grown at 366° C and are...
Resource Type:: Undergraduate Thesis
Full Text:: -xCaxSe By Joshua Stahly Adviser: Janet Tate 2/6/16 Abstract Hall measurements can be made

Atomic layer deposition of nanolaminate high-κ gate dielectrics for amorphous-oxide semiconductor thin film transistors

Creator:: Triska, Joshua B.
Abstract:: Nanolaminate dielectrics combine two or more insulating materials in a many-layered film. These structures can be made to significantly outperform films composed of a single one of their constituent materials by adjusting the composition ratio, arrangement, and size of the component layers. In this work, atomic layer deposition (ALD) is...
Resource Type:: Masters Thesis
Full Text:: ABSTRACT OF THE THESIS OF Joshua B. Triska for the degree of Master of Science in Electrical and

Just a tool after all? No evidence for tool-use effects on the body representation across virtual and real environments

Creator:: Bell, Joshua D.
Abstract:: While human tool-use proficiency helped define our history, the cognitive and perceptual mechanics of how humans use tools are not fully understood. This question is of great value to the design of hand-held tools and prosthetics. A prominent theory, tool embodiment, suggests that tool use is facilitated by a flexible...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Joshua D

Advancements in Phytoremediation, Dosimetry, and Environmental Radiological Protection: Integrating Endemic Plants, Anatomically Accurate Phantoms, and Real-world Data for Improved Assessments

Creator:: Hargraves, Joshua T.
Abstract:: The environmental impact of the nuclear industry has prompted the need for innovative remediation strategies and accurate radiological assessments. This paper synthesizes three studies that collectively explore the potential of endemic plant species for phytoremediation, the development of anatomically accurate phantoms for precise dosimetry calculations, and the critical evaluation of...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Joshua

Low voltage techniques for pipelined analog-to-digital converters

Creator:: Carnes, Joshua Kenneth
Abstract:: To realize pipelined ADCs in deep-submicron processes, low voltage techniques must be developed to work around problems created by limited supply voltages such as the floating switch dead zone, reduced SNR, and reduced OpAmp performance. This thesis analyzes standard and low voltage design issues for pipelined ADCs and proposes a...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Joshua Kenneth Carnes for the degree of Master of Science in

Towards a Conceptual Change Model to Support Organizational Change Efforts

Creator:: Hille, Joshua D.
Abstract:: Many projects fail because employees and managers have different understandings of project "success" or "value". Other projects fail because managers are unable to effectively align organizational values with those of their employees. This problem is widely understood, but there is little empirical research that specifies the nature and effect of...
Resource Type:: Masters Thesis
Full Text:: Joshua D. Hille for the degree of Master of Science in Industrial Engineering presented on May 13, 2016

Development of a Novel Device to Measure the Viscosity of High Temperature Molten Salts

Creator:: Blyther, Joshua D.
Abstract:: This thesis presents a novel design for a rheometer style viscometer by implementing high temperature and inert atmospheric requirements on the device. The goals of this device are to measure the viscosity of high temperature molten salts, which are corrosive and extremely hydroscopic. It also aims to be able to...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Joshua D

Non-native and native plant species distributions and variability along an elevation gradient in the Wallowa Mountains, Oregon

Creator:: Averett, Joshua P.
Abstract:: Invasion by non-native plants into natural areas is an important component of global change that threatens biodiversity and ecosystem structure and function. Mountains are currently among the least invaded ecosystems, however, these biodiversity hotspots are increasingly under threat of exotic plant invasion. Evaluation of plant species distribution patterns in mountain...
Resource Type:: Masters Thesis
Full Text:: OF Joshua P. Averett for the degree of Master of Science in Rangeland Science presented on June

Willamette Valley Prairie Restoration : The Native Seed Network and Sidalcea

Creator:: Lambert, Joshua K.
Abstract:: My internship was conducted with the Native Seed Network program within the Institute for Applied Ecology, a non-profit organization located in Corvallis, whose focus is education, applied research and active restoration and of native ecosystems. My internship goals were to increase my experience in applied restoration ecology and conservation biology...
Resource Type:: Capstone Project
Full Text:: FINAL REPORT _Lambert J i Willamette

Trouble on the High Seas: An Analysis of Congressional Speech Patterns regarding Sea Level Rise in the 115th Congress

Creator:: Fuller, Joshua A.
Abstract:: When running for a political office, a candidate’s platform is important for the voter to understand what the that individual believes. Candidates do not always lay out a concrete platform and tend to stay away from salient issues, such as climate change and its effects, and run on platforms that...
Resource Type:: Honors College Thesis
Full Text:: Congressional Speech Patterns regarding Sea Level Rise in the 115th Congress by Joshua Fuller

The Effects of Temperature and Working Electrode Material on the Power Output of a Hydroxymethylfurfural Fuel Cell

Creator:: Breen, Joshua P.
Abstract:: The need for clean energy continues to rise as the earth’s non-renewable resources continue to be depleted to satisfy energy demands. One plausible renewable energy source exists in biomass-powered fuel cells.¹ While there are several ways to convert sugars to energy, one interesting approach is to convert the sugars to...
Resource Type:: Honors College Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Joshua P. Breen for the degree of Honors Baccalaureate of Science in

Forest biomass estimation with hemispherical photography for multiple forest types and various atmospheric conditions

Creator:: Clark, Joshua Andrew
Abstract:: The importance of accurately identifying inventories of domestic energy, including forest biomass, has increasingly become a priority of the US government and its citizens as the cost of fossil fuels has risen. It is useful to identify which of these resources can be processed and transported at the lowest cost...
Resource Type:: Dissertation
Full Text:: DISSERTATION OF Joshua Andrew Clark for the degree of Doctor of Philosophy in Forest Engineering

Post-accident radiocesium uptake in eastern Oregon wheat crops : A preliminary estimate using a modified "PATHWAY" model

Creator:: Palotay, Joshua A.
Abstract:: An experimental environmental uptake model was developed for the purpose of estimating the final harvest concentration of contaminant following an acute accidental release of radiocesium onto an eastern Oregon winter wheat crop. The system was developed using the PATHWAY environmental uptake model as presented by Whicker and Kirchner (1987) for...
Resource Type:: Masters Thesis
Full Text:: Redacted for Privacy AN ABSTRACT OF THE THESIS OF Joshua

Non-Isotropic Fiber Reinforced Elastic Membranes for Micro Aerial Vehicle Wings

Creator:: Wilcox, Joshua Robert
Abstract:: Micro air vehicles (MAV's) and small unmanned aerial vehicles (SUAV) are remotely piloted or autonomous aircraft with a take-off mass range between 50 g and few kilograms. These vehicles, as well as natural fliers such as bats and insects, utilize a variety of elastic wing structures including thin membranes. Over...
Resource Type:: Masters Thesis
Full Text:: Aerial Vehicles AN ABSTRACT OF THE THESIS OF Joshua Robert Wilcox for the degree

Using OPEC as a Villain in Narratives

Creator:: Merritt, Joshua A.
Abstract:: The Organization of Petroleum Exporting Countries (OPEC), a group formed in 1960 and often blamed for the oil shock of 1973, is treated as a cartel that aims to limit oil production and hold oil price at a level above market equilibrium. Recent research has offered a counter theory that...
Resource Type:: Capstone Project
Full Text:: FINAL ESSAY OF Joshua A Merritt for the degree of Master’s of Public Policy in Public Policy presented

Simulating the dose enhancement effects of platinum nanoparticles in a spherical geometry with Monte Carlo calculations

Creator:: Mathews, Joshua A.
Abstract:: Background: The use of high-Z nanoparticles as radiation dose enhancers has been researched thoroughly over the past decade. High-Z nanoparticles introduced to a medium increase the probability of photoelectric absorption. This leads to an increase in the production of short range characteristic and Auger electrons and, thus, local radiation dose....
Resource Type:: Masters Thesis
Full Text:: Joshua A. Mathews for the degree of Master of Science in Medical Physics presented on June 2, 2016

Measurement of optical bandgap energies of semiconductors

Creator:: Russell, Joshua A.
Abstract:: A method for bandgap energy determination using di use re ection is presented and compared to the traditional integrating sphere method. We have found the bandgap energies of ZnO, TiO₂, Cu₂O, Si, SnZrS₃, SnZrSe₃, Sn₂S₃, and BiCuOSe powders with both methods and found they agree within 0.03 eV. We have...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Joshua A. Russell for the degree of

Basin-wide distributed modeling of hydrologic responses to irrigation management in the Wood River Basin, Klamath County, OR

Creator:: Owens, Joshua M.
Abstract:: The Wood River Basin lies upstream of Upper Klamath Lake, the main reservoir of the USBR Klamath Irrigation Project that provides irrigation water to 210,000 acres of downstream land. Water allocation became a contentious issue in 2001 when drought led to curtailment of irrigation deliveries to the Klamath Irrigation Project...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Joshua M

Wing Flutter Suppression via Distributed Electric Propulsion

Creator:: Bamberger, Joshua
Abstract:: This research aims to demonstrate the viability of actively controlled distributed-electric propulsion as a method to postpone flutter in high aspect-ratio elastic wings. A semi-wing on a spring mount with two propellers powered by electric motors, mounted at alternate pitch angles relative to the chord line, was used as the...
Resource Type:: Honors College Thesis
Full Text:: Joshua Bamberger A THESIS submitted to Oregon State University Honors

A Framework for Designing Task-Specific Robot Hands Based on Task Decomposition and Sub-Task Performance Benchmarks

Creator:: Campbell, Joshua M.
Abstract:: As technologies like 3D printing increase in prevalence and capabilities, having a robot hand specifically designed for a given manipulation task also becomes more feasible. Leading to the question of how to design a robot hand for a specific manipulation task. To answer this question, I propose we need three...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Joshua M

From the Bayous to the Bay: Increasing Houston’s Regional Urban Forest Sustainability and Public Health through Regional Trail Networks

Creator:: DuBois, Joshua, B.
Abstract:: Greenway trails have become a popular way to connect communities, increase public health and provide ecosystem services. Urban forests provide similar and overlapping benefits as greenways but are often unknown and underfunded. Integrating urban forest management with greenway management could be a way to create synergistic benefits for the community....
Resource Type:: Capstone Project

Reducing Centerline Rumble Strips Effects on Pavement Performance

Creator:: Weaver, Joshua D.
Abstract:: Centerline rumble strips (CLRS) have proven to be a cost-effective safety measure in reducing lane departure crashes. However, there are often unintended consequences associated with the installation of CLRS, particularly in rural mountainous areas or snow zones. These consequences include the accumulation of water and ice on the roadway and...
Resource Type:: Masters Thesis
Full Text:: Joshua Weaver for the degree of Master of Science in Civil Engineering presented on April 29, 2022

Faculty perceptions of actions of community college presidents that increased organizational trust

Creator:: Baker, Joshua D.
Abstract:: Organizational trust refers to the tendency of individuals or groups within an organization to trust each other. Tschannen-Moran (2004) describes trust as one's "willingness to be vulnerable to another based on the confidence that the other is benevolent, honest, open, reliable, and competent" (p. 17). The purpose of this study...
Resource Type:: Dissertation
Full Text:: DISSERTATION OF Joshua D. Baker for the degree of Doctor of Philosophy in Education presented on November

Q-Network Policy Selection For Multiagent Learning

Creator:: Cook, Joshua
Abstract:: Controllers for robotic systems can be complex and difficult to write by hand. Learning offers an approach to improve a controller through direct feedback. Learning is not trivial, as the feedback does not tell the agent how to improve, only how well its current actions solve the given task. Learning...
Resource Type:: Honors College Thesis
Full Text:: Q-Network Policy Selection For Multiagent Learning By Joshua

Experimental Investigation of the Transition to Natural Convection in HTGR Applications using the Oregon State SFSETF

Creator:: Fishler, Joshua D.
Abstract:: High Temperature Gas Reactors (HTGRs) are positioned to disrupt local and global markets via their unique ability to produce carbon-free process heat, high efficiency power generation, and passively safe operational features. However, significant impediments still exist to delay deployment of this particular technology, including a lack of experimental data, verified...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Joshua D. Fishler

Top-down scaling analysis of the integral reactor vessel test facility

Creator:: Graves, Joshua D.
Abstract:: Oregon State University has conducted research in collaboration with TerraPower, LLC, to perform a top-down scaling analysis of an integrated test facility. The goal of this facility is to simulate transient and quasi-steady phenomena at a reduced scale, including steady-state operation, pump coastdown, natural circulation, reactor head heat transfer, and...
Resource Type:: Masters Thesis
Full Text:: Vessel Test Facility AN ABSTRACT OF THE THESIS OF Joshua D. Graves for the degree of Master of

The influence of seismic attack and chloride-induced corrosion on a life cycle inventory assessment of different concrete mixtures

Creator:: Christiansen, Joshua W.
Abstract:: The life cycle assessment (LCA) process is a systematic approach to determining the environmental impacts of different products and processes. LCA is a relative approach that requires functional equivalence for the results to be compared. A method is presented that achieves functional equivalence by equating the reliability indexes being compared....
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Joshua W. Christiansen for the degree of Master of Science in

Design, construction, and characterization of a neutron depth profiling facility at the Oregon State University TRIGA® reactor with an advanced digital spectroscopy system

Creator:: Robinson, Joshua A.
Abstract:: In this work, Neutron Depth Profiling (NDP) analysis capability has been added to the Oregon State University TRIGA® Reactor Prompt Gamma Neutron Activation Analysis Facility (PGNAA). This system has been implemented with an advanced digital spectroscopy system and is capable of rise time pulse shape analysis as well as coincidence...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Joshua A

Temperature Dependence of Cu₃₋xSb₁₋[subscript y]M[subscript y]S₄ (M=Sn,Ge) Resistivity and Thermopower

Creator:: Mutch, Joshua
Abstract:: An experimental apparatus is modified to allow measurements of the Seebeck coefficient and resistivity to be taken simultaneously. This apparatus is designed for bulk and thin film samples between temperatures of 10 K and 300 K. The apparatus is constructed such that these simultaneous measurements do not interfere with each...
Resource Type:: Undergraduate Thesis
Full Text:: = Sn,Ge) Resistivity and Thermopower by Joshua Mutch A thesis submitted in partial

Design, construction, and characterization of a prompt gamma activation analysis facility at the Oregon State University TRIGA® reactor

Creator:: Robinson, Joshua A.
Abstract:: In this work a prompt gamma neutron activation analysis (PGNAA) facility has been designed, built, and characterized at the Oregon State University TRIGA® reactor. PGNAA is a technique used to determine the presence and quantity of trace elements such as boron, hydrogen and carbon which are more difficult to detect...
Resource Type:: Masters Thesis
Full Text:: () AN ABSTRACT OF THE THESIS OF Joshua A. Robinson

The Effect of Affect: A Close Reading of LeBron James’ Athlete Activism

Creator:: Campista, Joshua, I.
Abstract:: The purpose of this thesis is to argue that LeBron James’ expressions of activism are, in many ways, perceived as insincere, hypocritical or disingenuous to his followers on the social media platform Twitter. Using the theoretical framework of Affect Theory and Plutchik’s wheel of emotions, a close reading was conducted...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Joshua I. Campista for

Development of a remotely piloted aircraft for the Design/Build/Fly competition as a capstone engineering design project

Creator:: Wilcox, Joshua R.
Abstract:: The Design/Build/Fly competition (DBF) is an annual aerospace engineering competition hosted by the American Institute of Aeronautics and Astronautics (AIAA). Oregon State University's AIAA chapter competed for the first time at DBF in 2013 and finished in the top 25% which is a respectable finish for a first year team....
Resource Type:: Honors College Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Joshua R. Wilcox for the

Automating aquatic insect identification through pattern recognition

Creator:: Thomas, Joshua K.
Abstract:: Aquatic insect population counts can be a good indicator of the health, or water quality, of rivers and streams. Stoneflies (Plecoptera) are particularly susceptible to pollution in streams. However, today’s current method for obtaining these population counts requires biologists to examine individual specimens under a microscope for identification to the...
Resource Type:: Masters Thesis
Full Text:: Joshua K. Thomas for the degree of Master of Science in Mechanical Engineering presented on July 26

Influence of diagonal cracks on negative moment flexural anchorage performance in reinforced concrete bridge girders

Creator:: Goodall, Joshua K.
Abstract:: Large numbers of vintage reinforced concrete deck-girder bridges remain in the national bridge inventory. Many of these exhibit diagonal cracking and other distress. Due to the design practices of the time, it is common to observe cracks at locations where flexural reinforcing steel is terminated along the span. The presence...
Resource Type:: Masters Thesis
Full Text:: JOSHUA GOODALL M.S. OREGON STATE UNIVERSITY AN ABSTRACT OF

Driving simulation : a mechanism for understanding driver response to mobile barriers in work zones

Creator:: Swake, Joshua
Abstract:: Highway construction projects require temporary changes in roadway characteristics, such as the number of operational lanes, lane path, lane width, shoulder width, and posted speed limit. These modifications which are often temporary in nature have the potential to impact driving performance. Many research efforts have focused on developing standards to...
Resource Type:: Masters Thesis
Full Text:: ABSTRACT OF THE THESIS OF Joshua Swake for the degree of Master of Science in Civil Engineering

Increasing Urban Forest Sustainability and Growth with Regional Trail Networks: Treasure Valley, Idaho

Creator:: DuBois, Joshua
Abstract:: The Treasure Valley (TV) of Idaho is an arid valley in the southwest portion of the state that contains the state’s largest city, Boise and surrounding metropolitan area. A regional Urban Tree Canopy (UTC) Assessment was performed for the TV in 2013. This assessment documented 10% UTC for the Treasure...
Resource Type:: Capstone Project
Full Text:: Sustainability and Growth with Regional Trail Networks: Treasure Valley, Idaho Joshua DuBois March 14

Preliminary Numerical Study of a Condenser Using Fractal-Like Patterned Hydrophobic and Hydrophilic Strips

Creator:: Lazaroff, Spencer A.
Abstract:: Condensers are vital components of power plants and are often one of the most major cost concerns when planning construction. Generally speaking, the surface area required to dissipate the heat generated in the boiler is so great that enormous and expensive structures are necessary. The usage of a hybrid surface...
Resource Type:: Honors College Thesis
Date Created:
Full Text:: _____________________________________________________________________ Joshua Gess, Committee Member, representing MIME

Freeze Stage Analysis of an Indirect Freeze Desalination System

Creator:: Whitaker, Trevor A.
Abstract:: Freeze desalination poses as a potential solution to many of the issues that accompany current desalination methods. The research detailed in this manuscript involves creating and analyzing a numerical model of the freezing operation of an indirect contact freeze-melting (FM) desalination system. In this initial analysis, pure water is frozen...
Resource Type:: Honors College Thesis
Full Text:: , representing Thermal-Fluid Sciences Joshua Gess Committee Member, representing Thermal-Fluid Sciences Toni

Testing and design procedures for electric propellant pumps for suborbital bi-propellant rockets

Creator:: Verna-Ketel, Dominic
Abstract:: An electrically driven propellant pump (HALE E-Pump) was analysed and tested to determine its viability for use in a bi-propellant launch vehicle for the High-Altitude Liquid Engine (HALE) student rocket team at Oregon State University (OSU). The pump, manufactured in 2022 by students in OSU machine shops, was hydrostatically tested...
Resource Type:: Honors College Thesis
Full Text:: , Industrial and Manufacturing Engineering Joshua Gess, Committee Member, representing Mechanical, Industrial

Proximity Activated Stimuli on Modified Ride-On-Cars for Children with Disabilities

Creator:: Weathers, Thomas S.
Abstract:: This thesis describes the implementation of ultrasonic sensors to trigger a stimulus to increase peer interaction for children with disabilities using modified ride-on-cars for mobility. Modified ride-on-car technology has improved mobility for children with disabilities by effectively replicating the social benefits of a powered mobility device, yet there are opportunities...
Resource Type:: Honors College Thesis
Full Text:: _____________________________________________________________________ Joshua Gess, Committee Member, representing Mechanical Engineering

A Computational Investigation of Natural Circulation Effects on Heat Transfer Coefficient and Friction Factor

Creator:: Buskirk, John
Abstract:: The nuclear industry has shown a large interest in natural circulation driven passive cooling systems following the Fukushima nuclear accident. Despite this interest, there is no widely used heat transfer correlation or friction factor correlation developed for natural circulation driven flow. A CFD analysis including grid convergence testing using Fluent...
Resource Type:: Masters Thesis

Design of a Biomass Feeding Robot for Controlled Cookstove Testing

Creator:: O'Boyle, Duncan
Abstract:: The purpose of this report is to detail the design and validation of a prototype robot that feeds biomass into a range of small household cookstoves at a programmable rate. Improved design and testing methods for the development of improved biomass cookstoves are needed to design stoves that alleviate the...
Resource Type:: Honors College Thesis
Full Text:: _____________________________________________________________________ Joshua Gess, Committee Member, representing Mechanical Engineering

Urban natural parks in Portland : nature, networks, and community health

Creator:: Baur, Joshua W. R.
Abstract:: Three trends are occurring today in the United States which inspired this research. First, America is growing increasingly urbanized. Today, more Americans are living in cities than in rural environments, and this pattern is predicted to continue for the foreseeable future. Urban living has benefits, but there are also challenges...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Joshua W.R. Baur for the degree of Doctor of Philosophy in

Operation of a High-Temperature Oxidation Reactor for Thermochemical Energy Storage

Creator:: Ramsey, Owen C.
Abstract:: The cost of long-duration energy storage poses one of the most significant limitations on the penetration of renewables into power grids. Thermochemical energy storage has great potential to reduce this cost through the use of a reversible redox reaction pair that has a high enthalpy of reaction. The chemical nature...
Resource Type:: Masters Thesis
Full Text:: . Abstract approved: ______________________________________________________ Nick J. AuYeung The

Experimental Investigation of Near-Critical Carbon Dioxide in Microchannels for High Flux Cooling Applications

Creator:: Travers, Kristen
Abstract:: With the continued decrease in size and subsequent increase in power of computer processors, thermal management in electronics is becoming more important than ever before. The chip heat densities are reaching new peaks (> 100 W cm-2) that current cooling methods are not able to keep up with. However, some...
Resource Type:: Honors College Thesis
Full Text:: _____________________________________________________________________ Joshua Gess, Committee Member, representing Mechanical Engineering

An Investigation on Transient Critical Heat Flux and the Prompting Conditions

Creator:: Camargo, Angelo D.
Abstract:: The collective understanding of the critical heat flux phenomenon is crucial to the safety and operational power limits of every nuclear and petrochemical power plant in the world. To define the maximum heat transfer capability in the postulated reactivity-initiated accident in a nuclear reactor, the mechanisms that trigger the departure...
Resource Type:: Masters Thesis
Full Text:: committee for their service: Dr. James Liburdy and Joshua Gess. TABLE OF CONTENTS Section

Swept time-space domain decomposition on GPUs and heterogeneous computing systems

Creator:: Magee, Daniel J.
Abstract:: Modern scientific and engineering problems often require simulations with a level of resolution difficult to achieve in reasonable amounts of time—even in effectively parallelized programs. Therefore, applications that exploit high performance computing (HPC) systems have become invaluable in academia and industry over the past two decades. Addressing the questions that...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Daniel J. Magee for the

Spotted Wing Drosophila: Potential Threat to Oregon’s Agriculture

Creator:: Rogg, H. W. and Vlach, Joshua J.
Resource Type:: Conference Proceeding

Is Group Performance Enhanced by Group Rapport?

Creator:: Forst, Madison, Hoxha, Briana, Kuhn, Kali, and Spencer, Joshua R.
Abstract:: Naturally, we may assume that group rapport is critical for producing high-quality group performance (such as among work groups, sports teams, or even research collaborators). With this in mind, the purpose of this investigation was to test this assumption by exploring the relationship between self-reported group rapport and group-level social...
Resource Type:: Poster
Full Text:: v Madison Forst, Briana Hoxha, Kali Kuhn, Joshua Spencer

Turbulent Heat Transfer of Supercritical Carbon Dioxide in the Proximity of the Pseudo-Critical Point with Non-Uniform Heat Flux Boundary Conditions

Creator:: Jajja, Saad A.
Abstract:: Seven decades of supercritical heat transfer research have not seen an attempt to characterize turbulent thermal transport in internal flows subject to asymmetric heating. Existing heat transfer models therefore do not account for phenomena that dictates thermal transport, in the proximity of the pseudo-critical point, for non-uniform heating. Additionally, past...
Resource Type:: Dissertation
Full Text:: development of this dissertation. Dr. Joshua Gess was always willing to answer any of my heat transfer

Potential of Genetic Algorithms for Design of Liquid Cooled Heat Sinks Fabricated Using Additive Manufacturing

Creator:: Dokken, Connor B.
Abstract:: The advancement of new manufacturing techniques such as additive manufacturing enable significantly greater freedom of design compared to conventional techniques. Of significant interest is what improvements could be made in the design of cold plates and heat sinks for electronics cooling. Greater design freedom could potentially enable new designs that...
Resource Type:: Masters Thesis
Full Text:: ) 116 J/mm3, b) 77 J/mm3 and c) 66 J/mm3. (Bauer, Dawson, Spierings, & Wegener, 2013

A Computational Fluid Dynamics Study on the Hydrodynamics for Tandem Plate Configurations under Turbulent Flow

Creator:: Gjemso, Jonathan
Abstract:: The subject of fluid-structure interactions (FSI) are a matter concerning the design of any element immersed in a fluid. One of the most critical phenomena embedded within the scope of FSI is the creation of vortex-induced vibrations (VIV). These type of vibrations originate in a given body as a result...
Resource Type:: Masters Thesis
Full Text:: . D. LaBrier and Dr. J. Gess for their contributions and for enabling me with the necessary tools to

Bio-Inspired Design of Vehicles that Operate in Complex Environments

Creator:: Jackson, Danielle M.
Abstract:: This dissertation focuses on defining underlying mechanisms to enable the bio-inspired design of aerodynamic and/or hydrodynamic vehicles that operate within complex environments. This dissertation introduces four overarching research gaps found in current bio-inspired design research and four corresponding approach questions that guide the framework of the presented research. This research...
Resource Type:: Dissertation
Full Text:: well known mission design articles is Space Mission Analysis and Design, written by Wiley J. Larson

CFD Verification, Validation, and Sensitivity Study of Internally Heated Concentric Tube Thermosyphon O-SERTTA

Creator:: Miller, Jaden
Abstract:: Irradiation experiments are a critical aspect of the nuclear fuels and materials qualification process. Determining the flow conditions of these experiments is necessary for understanding response of nuclear components during transient and normal operation. Quality flow data is lacking for cartridge-type irradiation experiments with annular flow natural circulation designs. Data...
Resource Type:: Masters Thesis
Full Text:: Representative, Dr. Joshua Gess. TABLE OF CONTENTS Page 1 Introduction

Influence of Two-Phase Fuel on Detonation Behavior

Creator:: Barlow, Dustin
Abstract:: Detonation combustion is of great interest for propulsion devices because of its potential to increase thermodynamic efficiency, reduce the weight of current gas turbine engines, and rapidly accelerate to high Mach numbers. Detonation engines might also have the ability to decrease harmful exhaust products from traditional propulsion methods. In order...
Resource Type:: Masters Thesis

Experimental Design Approach for Evaluation of Airfoil-Driven Energy Harvesting

Creator:: Strahl, Jordan D.
Abstract:: An experimental setup has been partially developed to investigate the impact of an actively controlled trailing edge component upon the energy harvesting performance of an oscillating airfoil in a pitching and heaving regime. While previous and current efforts have and continue to function to characterize the performance of such a...
Resource Type:: Honors College Thesis
Full Text:: _____________________________________________________________________ Joshua Gess, Committee Member, representing Mechanical Engineering

Seeing the Ocean For the Whales: How Whales Get Lost in the Sea of Human Perceptions

Creator:: McKinnon, Haley
Abstract:: Humans have always been fascinated with whales; from prominent features in mythology, to stories of terrifying monsters on the high seas, to globalized utility, to symbolic wildness and radical environmentalism, to figures and statistics, how have human relationships with whales been understood throughout time? Because humans have a need to...
Resource Type:: Masters Thesis

Playing with pedagogy : a case study of contextual teaching and learning for the natural resources classroom

Creator:: Greene, Kim (Kimberly Kate)
Abstract:: This thesis investigates Contextual Teaching and Learning (CTL) as a method of instruction for natural resources education. The research follows the adoption of CTL in the K-12 classrooms of six teachers focusing on natural resources education at two rural schools in Western Oregon. CTL is being investigated because it connects...
Resource Type:: Masters Thesis

The Influence of Fuel Characteristics on Smoldering Behavior through Porous Fuels

Creator:: Ross, Andrew H.
Abstract:: Smoldering can play a dangerous role in the ignition and spread of wildfires. Naturally occurring fuels consist of multiple layers of organic materials with varying particle sizes due to differences in decomposition stages with fuel depth, yet the influence of particle size on burning behavior is poorly understood. Previous research...
Resource Type:: Masters Thesis

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