Index Catalog // ScholarsArchive@OSU

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

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

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

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

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

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

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

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

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

ScholarsArchive@OSU

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

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

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

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

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

Towards a Conceptual Change Model to Support Organizational Change Efforts

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

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

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

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

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