Index Catalog // ScholarsArchive@OSU

Wave Energy From Idea, to Concept, to Converter: Structuring Methods for Design and Evaluation of Wave Energy Devices

Creator:: Trueworthy, Ali May
Abstract:: The amount of energy we use and the ways that we get that energy sit on the edge of dramatic change as the carbon budget which can keep the planet under 1.5C of global average temperature increase gets smaller (Allen, 2018). In response, we continue to research and develop renewable...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Ali May Trueworthy for the

Performance Analysis of a Utility-Scale Wave Energy Converter

Creator:: May-Varas, Nicholas A.
Abstract:: A six degree of freedom (6DOF) point-absorber wave energy converter (WEC) called LUPA is being developed at Oregon State University. This research focused on analyzing a full- scale LUPA, called LUPA20, to answer the following questions: 1) How does a full-scale WEC perform due to various factors; 2) What are...
Resource Type:: Honors College Thesis
Full Text:: Converter by Nicholas May-Varas A THESIS submitted to

Combustion gas emissions spectra of Otto cycle engine operating on H₂, CO, and gasoline using a calibrated vidicon detector spectrometer

Creator:: Freeburn, Scott Alan
Abstract:: The capabilities of the Tektronix Model J2C/7J20 Rapid Scanning Spectrometer for the determination of molecular species resulting from Otto cycle combustion were experimentally investigated after a literature search of the subject area. Combustion of hydrogen-air, carbon monoxideair, and gasoline-air mixtures in the combustion chamber of a Cooperative Fuel Research engine...
Resource Type:: Masters Thesis
Full Text:: John G. Mitre The capabilities of the Tektronix Model J2C/7J20 Rapid Scanning Spectrometer for the

Critical current distributions and the V(1) transition in Nb-Ti superconducting composites

Creator:: Narang, Girish
Abstract:: It is well established that the extended range V(I) transition behavior in filamentary superconducting composites depends strongly on the processing conditions of the composite. Based on previous work, a model proposed by Warnes et al predicts that the second derivative of the V(I) transition is related to a more fundamental...
Resource Type:: Masters Thesis
Full Text:: DISTRIBUTIONS AND THE V(I) TRANSITION IN Nb-Ti SUPERCONDUCTING COMPOSITES. Abstract approved: WILLIAM H

Processing of laser interferometric signals for small displacement measurements

Creator:: Peng, Gwo-sheng
Abstract:: Algorithms for analyzing laser interferometry signals were developed and adopted to the computer based processing of small displacement measurements. These methods, matrix operation approach and fixed parameters approach, are based on signal phase calculation and are able to replace complex fringe counting electronic circuits. The matrix operation provides an approach...
Resource Type:: Dissertation
Full Text:: Signals for Small Displacement Measurements. Redacted for Privacy Abstract approved: Ernest G. Wolfi6r

A study of compression loading of composite laminates

Creator:: Berbinau, Pierre J.
Abstract:: The compressive behavior of continuous fiber composites is not as well understood as their tensile behavior because research and industrial applications have until recently focused on the latter. Furthermore, most theoretical and experimental studies on the compression of composites have examined the case of unidirectional specimens with fibers along the...
Resource Type:: Dissertation
Full Text:: (continued) G Ply shear stiffness Gm Matrix shear stiffness h Thickness of a single ply hk Thickness

Evaluation of copper to superconductor area ratio measurement techniques for niobium-titanium composite superconducting wire

Creator:: Pyon, Taeyoung
Abstract:: Measurement of the copper to superconductor ratio (Cu/SC) in composite superconducting wires is necessary for process control, quality assurance, and characterization of the final wire properties. A comparison has been made of three techniques for measuring the Cu/SC ratio on a set of commercial wires produced for the Superconducting SuperCollider...
Resource Type:: Masters Thesis
Full Text:: Composite Superconducting Wire Redacted for Privacy Abstract approved : William H. Warnes Measurement of

Mechanics of Nb-Ti superconducting composites

Creator:: Guo, Zhiqiang
Abstract:: Mechanical behavior of Nb-Ti superconducting composites with copper matrices have been studied experimentally and theoretically. Experimental work includes extensive measurements of Cu/Nb-Ti composite system. Techniques for fine fiber testing and composite wire measurement have been developed. Experimental parameters examined in this research include geometry, hardness, Young's modulus, Poisson's ratio, yield...
Resource Type:: Dissertation
Full Text:: Appendix G: Elastic Analysis of cylinder model. 101 Appendix H: Effects of Experimental Parameters on Fiber

The theoretical design and construction of a .25 calibre automatic repeating rifle

Creator:: Winniford, John Franklin
Abstract:: In the construction of a rifle for sporting or target work there are several conditions to be met. In the first place the rifle must be made to balance easily.at all times, whether the magazine is full of loaded cartridges or is empty. In all cases the barrel of the...
Resource Type:: Undergraduate Thesis
Full Text:: closing thebolt over it, ready for the another shot. In order that the loading mEchanism may be more

Carburation and Carburetors for Internal Combustion Engines

Creator:: Emily, Joel
Abstract:: "It has been the purpose in this thesis to show and explain the carburetor from its infancy up to its present status."--Conclusion
Resource Type:: Undergraduate Thesis
Full Text:: illuminating power". As applied to fuel engines we may say that carburation is the process of saturating the

The Design and Specification of a Dwelling House

Creator:: Anderson, Arvid
Abstract:: The design and specification of a dwelling house constitutes the thesis of the student Arvid Anderson of the class of '08. This thesis consists of two parts, namely: drawings and written description or specification. The drawings and specifications are to be considered as cooperative, the latter are necessary to express...
Resource Type:: Undergraduate Thesis
Full Text:: ) circulated THESIS on v Submitted r p the Faculty or the O R E G O N A G R I C U L T U R A L : C O L L

Concrete as a material for engineering construction work

Creator:: Hanny, John Edward
Resource Type:: Undergraduate Thesis
Full Text:: alumen and a hydraulic index is also higher than in Portland Cement. 3. A N A L 1' S E S of P G

Tentative equilibrium diagram for the nickel-rich end of the nickel-zirconium system

Creator:: Armstrong, Asa William
Resource Type:: Dissertation
Full Text:: ; chemical section, analyses; H. G. Anderson, R. L. Carpenter, D. K. Deardorff, H. G. Nelson, R. W

Evaluation of Materials for Use in Open-Cycle Magnetohydrodynamic Power Generation

Creator:: Bowen, Michael S.
Abstract:: Recent interest in oxy-fuel combustion for carbon capture, as well as advancements in technologies such as magnetics, materials, and computational modeling has sparked renewed interest in magnetohydrodynamic (MHD) power generation. The increased temperatures of oxy-fuel combustion versus air-fuel combustion poses a challenge in the selection of materials for plasma exposed...
Resource Type:: Masters Thesis
Full Text:: electrons, holes, ions, or any other carrier that may be mobile in the material. The mobility of that

Structural factors affecting wear of cobalt base hard facing alloys

Creator:: Gifford, Raymond Warren
Abstract:: This paper is a metallurgical study of the microstructure of a cobalt base hard facing alloy to determine the cause for inconsistant wear properties. Wear tests on a Stellite 6 alloy, deposited using oxyacetylene welding techniques, resulted in a wide range of weight losses. Microscopic examination has revealed the probable...
Resource Type:: Masters Thesis
Full Text:: revealed the probable cause to be variations in carbon content after welding. Cooling rates may also be

Design of a Gas Engine Muffler

Creator:: Farnsworth, William Yates
Abstract:: Simple as may seem. the subject, "A gas engine muffler," to the reader on first thought, if he will but take time to consider the importance of such a device in connection with the operation of internal combustion engines, he will probably come to the conclusion that it is not...
Resource Type:: Undergraduate Thesis
Full Text:: Design of a gas engine muffler T H E S I S on DESIGN

Creep of Gr/BMI composite laminates in compression

Creator:: Tyagi, Sanjeev R.
Abstract:: The main source of the time-dependent behavior of fiber-reinforced composites is their polymeric matrix, which causes concerns about their long term durability. Although for composites where organic fibers such as Graphite are used, the fibers are also a contributing factor. A composite material may exhibit an appreciable amount of creep,...
Resource Type:: Masters Thesis
Full Text:: : Ernest G. Wolff The main source of the time-dependent behavior of fiber-reinforced composites is their

An experimental investigation of combustion products through a flat, laminar, pre-mixed hydrocarbon-air flame

Creator:: Brenchley, David Lee
Abstract:: Flat, laminar, premixed hydrocarbon-air flames were stabilized on a porous-plate burner. In addition to temperature profiles, concentration profiles were measured for methane, ethane, ethylene, propane, acetylene, propylene, carbon monoxide, carbon dioxide and oxides of nitrogen. Dead space thickness, luminous flame zone thickness and hydrocarbon disappearance point responses were also monitored....
Resource Type:: Dissertation
Full Text:: , PREMIXED HYDRO- CARBON-AIR FLAME Redacted for privacy Abstract approved: ¡/ Jó G. Mingle/ Flat

Vortex Generator Flow Control for an Upper-Surface Blown Aircraft Wing with an Extended Coanda Flap

Creator:: Kelly, Bryan R.
Abstract:: Integrated Distributed Electric Augmented Lift (IDEAL) applies upper-surface blowing in a novel way using an array of electric ducted fans (EDFs) to achieve electric short take-off and landing to meet the growing need for urban air transportation. Additional research on the use of vortex generators (VGs) to reduce flow separation...
Resource Type:: Masters Thesis
Full Text:: . Abstract approved: ______________________________________________________ David G. Ullman

An investigation of domestic oil heating with special emphasis on warm-air furnaces

Creator:: Kollas, Wilhelm James
Resource Type:: Masters Thesis
Full Text:: work possible. He especially wishes to express his gratitude to Professor F. G. Baender without

The Design of an Automobile Gasoline Engine

Creator:: Pierce, Ralph Hillar
Abstract:: In designing a machine of any kind, considerations must be made regarding the kind and amount of work it will be required to do, the foundation for its support, and the amount of space available for its occupancy. An engine which is to be used for driving an automobile must...
Resource Type:: Undergraduate Thesis
Full Text:: . E Piet,-,_, pin. F Valve, either inlet or exhaust. G Crank Case. H Combustion chamber. AIr

Creep tests on single strand aluminum alloy conductor wire

Creator:: Croeni, Jack George
Resource Type:: Masters Thesis
Full Text:: thesis is presented 7 /57 Typed by Carol Anderson The author is sincerely grateful to O. G. Paasche

Purification of zirconium by solid state electrolysis and zone refining

Creator:: Claudson, Thomas Tucker
Resource Type:: Dissertation
Full Text:: Over Length of ¿irconium Rod After Heating by Direct Current to 1800°C for 2 kO H o ur s

Creep strength of aluminum alloy conductor

Creator:: Gerard, Thomas John
Resource Type:: Masters Thesis
Full Text:: COLLEGE in partial fulfillment of the requirements for the de gree of MASTER OF SC IENGE May 1958

Design and construction of an extensometer for high temperature tensile testing

Creator:: Chatterjee, Krishna Chandra
Resource Type:: Masters Thesis
Full Text:: axis ithin a lfalt of 0.001 tn~h. It may further ntioned that uteu ter a'tiU have to be on the a

A rapid method for determinations of nitrogen oxides in engine exhaust gas

Creator:: Johnson, Douglas Edward
Resource Type:: Masters Thesis
Full Text:: NO OD- -- Nl ADJUSTED CONC. I3. NO DmEN1INATtON IN ENG1NE E>cHALi5T ¡ c ml E)<..H AU5 G A5 (o

Residual strength properties of Gr/BMI composite laminates after constant/cyclic compression

Creator:: Shenoy, Krishnananda
Resource Type:: Masters Thesis
Full Text:: : Ernest G. Wolff An experimental method for compression loading of large numbers of composite specimens

A thermodynamic study of energy absorbed by a motored four cycle engine with positive exhaust pressure as applied to commercial exhaust brakes

Creator:: Thompson, Ralph Allen
Resource Type:: Masters Thesis
Full Text:: grateful to w. H. Paul, Professor ot Automotive Engineering and J. G. Mingle, Assistant Professor ot

Laboratory creep studies on "Pheasant" and "Expanded" aluminum conductors

Creator:: Wilson, Laurence Martin
Resource Type:: Masters Thesis
Full Text:: further indebted to Professor O. G. Paasche of Oregon State University Department of Mechanical

Development and application of a vibratory caviation tester

Creator:: Graf, Sam Edlefsen
Resource Type:: Masters Thesis
Full Text:: (Green)(PL-2) F. Main Power Switch (5W-2) G. Polarizing Current Power Supply Switch (S1"_3) H. High

Fatigue properties of zirconium

Creator:: Selliken, Joseph Hartvig
Resource Type:: Masters Thesis
Full Text:: grateful to S. H. Graf, Director of Oregon State College Engineering Exper iment Station, for his

A theory of product design process measurement

Creator:: Wright, Alan Louis
Abstract:: This dissertation approaches the problem of how to design process measurements by identifying process attributes which are common to all product development processes. By classifying the generic attributes of a product development process and their relationships, a framework is established which gives definition and context to individual measurements. At the...
Resource Type:: Dissertation
Full Text:: approved: David G. Uliman This dissertation approaches the problem of how to design process measurements

Creep studies on "Expanded," "Chukar," and "Drake" aluminum conductors

Creator:: Shen, Yuan-shou
Abstract:: This thesis presents the creep properties and the relations between stress and strain of "Expanded 460KV", "Chukar" and "Drake" conductors. The basic theories of the effect of load, material, and temperature on the conductor are also briefly discussed. The long time creep curve of a conductor appears as a straight...
Resource Type:: Masters Thesis
Full Text:: presented OTC?S I. 9I Typed by Nancy Kerley ACKNOWLEDGEMENTS The author is grateful to Professor O. G

The effects of creep on the structure and mechanical properties of zirconium

Creator:: Mullen, Charles Robert
Resource Type:: Masters Thesis
Full Text:: will withstand the conditions within a reactor. The structural material of nuclear reactors may be

Bearing qualities of various ferrous metals when tested against Micarta under water lubrication

Creator:: Liu, Shou Ying
Resource Type:: Masters Thesis
Full Text:: ·~el.t p\llle.v system G. Tbree•horsepewer three•phase AC motor H. water hose T:b.t .&p$ed of

The effects of stress and temperature on the creep of aluminum alloy conductor wire

Creator:: Riesland, Edward Ernest
Resource Type:: Masters Thesis
Full Text:: wishes to expre s s his sincere gratitude to o. G. Paasche, Professor of Mechanical Engineering and

Partial recirculation of diesel engine exhaust for the reduction of oxides of nitrogen

Creator:: Addicott, Donald James
Abstract:: Oxides of nitrogen are a concern as effluents to atmospheres because they participate in photochemical reactions which produce smog, because they attenuate sunlight which gives the atmosphere a reddish brown cast, and because of their toxic properties and the health hazards associated with the photochemical products they produce. Oxides of...
Resource Type:: Masters Thesis
Full Text:: Professor John G. Mingle for his excellent advisory assistance. TABLE OF CONTENTS Page I

An investigation of the fundamental requirements necessary for good brake design

Creator:: Keerins, Grattan David
Resource Type:: Masters Thesis
Full Text:: shown and the load applied at B, the frictional pull is measured by the lever system F G H K. The

The phase diagram of zirconium and chromium with special reference to the transformation in the intermetalic compound ZrCr₂

Creator:: Shen, Yuan-shou
Abstract:: The zirconium-chromium phase diagram was investigated in the region between 40% and 85% chromium. The ZrCr₂ intermetallic compound which has been the source of some controversy was especially considered. It was found that ZrCr₂ transforms from the low temperature C-15 (MgCu₂, FCC) structure to the high temperature C-14 (MgZn₂, HCP)...
Resource Type:: Dissertation
Full Text:: Abstract approved: O. G. Paasche The zirconium - chromium phase diagram was investigated in the region

Isothermal transformation of aluminum bronze

Creator:: Stone, Etric Lee
Resource Type:: Masters Thesis
Full Text:: hypereutectoid alloy contairiin excess delta. G. Alloys at or near the eutectoid composition precipitate out

The zirconium-silver system

Creator:: Kemper, Robert Schooley
Resource Type:: Masters Thesis
Full Text:: - tion, analyses; R. L. Carpenter, H. G. Anderson, R. V. Nelson and L. O'Brien. It is a special

Creep studies on Pheasant, Narcissus and Chukar aluminum conductors

Creator:: Patton, John Dennis
Abstract:: This thesis is an engineering report on the creep behavior of power transmission line conductors. Laboratory creep test results are reported for Pheasant, Narcissus and Chukar conductors. The report follows a standard nomenclature and format suggested by the International Study Committee No. 6 of Conference Internationale des Grands Reseaux Electriques...
Resource Type:: Masters Thesis
Full Text:: AND CHUKAR ALUMINUM CONDUCTORS Abstract approved: Professor O. G. Paasche This thesis is an

The design capture system : capturing back-of-the-envelope sketches

Creator:: Hwang, Teng-shang
Abstract:: A system which allows the computer to capture sketches made by a mechanical designer is described. The system not only recognizes basic features as they are sketched, but it also reasons the spatial relationships between features and builds a high level abstract representation (feature model) of the artifact. The temporal...
Resource Type:: Dissertation
Full Text:: -Envelope Sketches Redacted for Privacy Abstract approved: David G. Ullman A system which allows the

Mechanical design history content : the information requests of design engineers

Creator:: Kuffner, Tom A.
Abstract:: This thesis reports on research conducted to determine the information which should be included in a mechanical design history. This is part of a larger research effort aimed at developing a computer tool for storing and replaying mechanical design history information. Three question-asking protocols were conducted to determine what information...
Resource Type:: Masters Thesis
Full Text:: : The Information Requests of Design Engineers Abstract Approved: Redacted for Privacy David G

The weldability of ductile iron

Creator:: Rice, William Harold, 1911-
Resource Type:: Dissertation
Full Text:: . Paasche and S. H. Graf, graciously served on the advisory- comnit tee of the writer. Mr. Albert G

The significance and measurement of the Tsai-Wu normal interaction parameter F₁₂

Creator:: Hansen, William Christian
Resource Type:: Masters Thesis
Full Text:: failure (ksi) i 6 [90]16 -16.66 -51.81 i 40 " " - 18.50 54.74 g 8 [0]8 - 183.86 -4.02 g 22 11 H

The application of a band variable-inertia flywheel to an urban transit bus

Creator:: Moosavi-Rad, Hamid
Abstract:: This dissertation investigates by means of computer simulation the potential of a Band Variable-Inertia Flywheel (BVIF) to store energy for an urban transit bus. Replacing both a fixed-inertia flywheel (FIF) and a continuously variable transmission (CVT), the Band Variable-Inertia Flywheel is capable of accelerating a vehicle from rest to a...
Resource Type:: Dissertation
Full Text:: -INERTIA FLYWHEEL TO AN URBAN TRANSIT BUS Abstract approved: Redacted for Privacy Professor David G

An Engineering Decision Support System (EDSS) with alternative-criterion pair evaluations

Creator:: Herling, Derald E.
Abstract:: An Engineering Decision Support System, EDSS, was developed using Bayesian mathematics which incorporates knowledge and confidence components observed in alternative-criterion pair decision making. The separation of knowledge and confidence has been previously unaccounted for in decision-making methods. EDSS provides decision support to individuals or teams which must make choices between...
Resource Type:: Dissertation
Full Text:: Decision Support System (EDSS) with Alternative-Criterion Pair Evaluations Abstract approved: David G

The structure and physical properties of creep tested aluminum conductor wire

Creator:: Wong, Jackson
Resource Type:: Masters Thesis
Full Text:: O, G. Faasche, Professor Mechanical Engineering, Oregon State College for his patient assistance

A computer-based design history tool

Creator:: Chen, Ai-hua
Abstract:: In current practice, design documentation often fails to support the activities of design understanding, communication, and redesign. A Design History Tool has been developed to improve current design documentation. This tool is a computerized design history that represents and plays back important information generated during the process of designing a...
Resource Type:: Dissertation
Full Text:: approved: David G. Ullman In current practice, design documentation often fails to support the activities

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