Index Catalog // ScholarsArchive@OSU

Quantification of total and plastic 3D strain fields within micro-damaged polyurethane foam

Creator:: Sutton, Matthew T.
Abstract:: Local material damage that occurs within cellular solids, such as polymer foams and trabecular bone, and precedes local fractures of the cell struts or walls is called micro-damage. The accumulation of micro-damage within cellular solids is often undesirable, although it is thought to be vital to the development and health...
Resource Type:: Masters Thesis
Full Text:: 3D Strain Fields Within Micro-damaged Polyurethane Foam by Matthew T. Sutton A THESIS

Feasibility of Lorentz mixing to enhance combustion in supersonic diffusion flames

Creator:: Nahorniak, Matthew T.
Abstract:: The purpose of this research was to determine if it is feasible to apply Lorentz mixing to supersonic diffusion flames, such as those found in SCRAMjet engines. The combustion rate in supersonic diffusion flames is limited by the rate at which air and fuel mix. Lorentz mixing increases turbulence within...
Resource Type:: Masters Thesis
Full Text:: supersonic diffusion flames AN ABSTRACT OF THE THESIS OF Matthew T. Nahorniak for the degree of Master

Continuous cooling transformation diagram from modified end-quench method

Creator:: Anderson, Donald Evans
Resource Type:: Masters Thesis
Full Text:: DONALD EVANS ANDERSON A THfSIS submitted to OREGON STATE COLL1GE in partial fulfillment of the

The tools of the radar system engineer

Creator:: Skene, Emerson Matthew
Resource Type:: Masters Thesis
Full Text:: presented flAy, qf4 Typed by Jane J. bower TÄ& OP CONTENTS Fag* T R LAIONSIP OP THE S!TEM ENT1ER

A nonlocal damage theory for laminated plate with application to aircraft damage tolerance

Creator:: Nahan, Matthew F.
Abstract:: Design of commercial aircraft structure, composed of composite material, requires the prediction of failure loads given large scale damage. In particular, a fuselage of graphite/epoxy lamination was analyzed for damage tolerance given a standard large crack that severed both skin and internal structure. Upon loading, a zone of damage is...
Resource Type:: Dissertation
Full Text:: to aircraft damage tolerance AN ABSTRACT OF THE DISSERTATION OF Matthew F. Nahan for the degree

Use of the exergy concept for design improvement of heat exchangers and heat exchanger networks

Creator:: Ranasinghe, Jatila
Abstract:: The second law of thermodynamics, through the exergy concept, allows us to quantify and rationally cost the consumption of exergy (irreversibility) used to drive the heat exchange process and the effluent losses of exergy in a heat exchanger For systems with a network of heat exchangers, the exergy concept recognizes...
Resource Type:: Dissertation
Full Text:: product cost cp = specific heat C = capacity rate COP = coefficient of performance C t = total cost

Fracture energies of Zircaloy and some zirconium alloys

Creator:: Rawers, James C.
Abstract:: The fracture mechanics of Charpy V-notch specimens of Zircaloy-4 and phosphorus contaminated Zircaloy-4 were investigated. Three-point bend and impact tests with Charpy V-notch samples provided an efficient and economical method of fracture evaluation. Fracture failure was monitored by the force-displacement curve. Failure was initially analyzed using fracture toughness values as...
Resource Type:: Dissertation
Full Text:: data analysis. - Evan Smouse, Survey Research Council, Oregon State Univer- sity, for his statistical

Geothermal well downhole heat exchanger design analysis

Creator:: Kreitlow, David Brian
Abstract:: The low temperature geothermal resource at Klamath Falls, Oregon is widely used for heating buildings. A common technique for using this resource consists of a heat exchanger down in the well inside a casing which extends the full length of the well. Slots are cut in the casing to allow...
Resource Type:: Masters Thesis
Full Text:: source Si - mass flow rate of source at node i (network model) T b - temperature of source (reservoir

Optimal soaring by a small autonomous glider

Creator:: Kyle, Jason A.
Abstract:: Extending the flight time of an autonomous unmanned air vehicle by soaring is considered. A suboptimal controller is developed and successful static soaring is demonstrated with a 6 degree of freedom glider model. Altitude gain rates of between ¼ and ½ m/s are achieved with this simple implementation. A hybrid...
Resource Type:: Dissertation
Full Text:: SMALL AUTONOMOUS GLIDER Jason Kyle, Katie Evans, and Mark Costello

Quantitative comparison of full field strains experimentally measured and analytically predicted for aluminum foams

Creator:: Rutschman, Scott A.
Abstract:: Metallic foams have become widely available and have unique properties that make them attractive for use in a variety of engineering applications. Due to their complex structure, the behavior of foams under complex loading conditions is a subject of continued research. Digital volume correlation is a technique wherein full-field strains...
Resource Type:: Masters Thesis
Full Text:: reader upon request. Scott Rutschman, Author Redacted for privacy R e d a c t e d f o r p ri v a c y

ScholarsArchive@OSU

Quantification of total and plastic 3D strain fields within micro-damaged polyurethane foam

Feasibility of Lorentz mixing to enhance combustion in supersonic diffusion flames

Continuous cooling transformation diagram from modified end-quench method

The tools of the radar system engineer

A nonlocal damage theory for laminated plate with application to aircraft damage tolerance

Use of the exergy concept for design improvement of heat exchangers and heat exchanger networks

Fracture energies of Zircaloy and some zirconium alloys

Geothermal well downhole heat exchanger design analysis

Optimal soaring by a small autonomous glider

Quantitative comparison of full field strains experimentally measured and analytically predicted for aluminum foams

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