Index Catalog // ScholarsArchive@OSU

Determination of cohesive parameters for aerospace adhesives

Creator:: Hortnagl, Josef G.
Abstract:: The use of adhesives in demanding engineering applications is a very common occurrence in the modern world. These adhesives are taking the role of many traditional fasteners, especially in the area of fiber reinforced composites. As the use of these adhesives become more common place, better understanding of their mechanics...
Resource Type:: Masters Thesis
Full Text:: Science in Mechanical Engineering presented on June 10, 2013 Title: Determination of Cohesive

Analysis of spillway hydrodynamics for total dissolved gas prediction downstream of hydropower projects with free, plunging spillway jets

Creator:: Germann, Nathan A.
Abstract:: During spring and early summer hydropower projects are often forced to spill water through their spillways due to increased river flows of the runoff season. Flows which are directed through spillways--instead of through turbines--contain a substantial amount of energy. Stemming from the high energy content, spillway flows entrain air at...
Resource Type:: Masters Thesis
Full Text:: , 2013. Title: Analysis of Spillway Hydrodynamics for Total Dissolved Gas Prediction Downstream of

Cryogenic Single-Phase Heat Transfer in a Microscale Pin Fin Heat Sink

Creator:: Truong, Eric D.
Abstract:: A combined experimental and computational fluid dynamics (CFD) study of single-phase liquid nitrogen flow through a microscale pin-fin heat sink is presented. Such cryogenic heat sinks could find use in applications such as high performance computing, spacecraft thermal management, and hydrogen storage thermal management. A circular pin fin heat sink...
Resource Type:: Honors College Thesis
Full Text:: , 2013. Title: Cryogenic Single-Phase Heat Transfer in a Microscale Pin Fin Heat Sink

Compact integrated microchannel combustor, recuperator and heat exchanger For hydrogen storage applications

Creator:: Ghazvini, Mohammad
Abstract:: A novel microscale combustor-heat exchanger (μCHX) for hydrogen storage applications is presented in this dissertation. The design of the μCHX is motivated by its application to two particular systems for automotive use- those that utilize metal hydrides (MH) and cryo-adsorbents (CA) to store hydrogen. Thermal energy needs to be supplied...
Resource Type:: Dissertation
Full Text:: 23, 2013. Title: Compact Integrated Microchannel Combustor Recuperator and Heat Exchanger For

An analytical model of heat transfer to a horizontal cylinder immersed in a gas fluidized bed

Creator:: Adams, Ronald Lynn
Abstract:: A steady gas convection model of heat transfer to a horizontal cylinder immersed in a gas fluidized bed is presented. Contributions due to flow within attached bubbles as well as the interstitial voids are included. The interstitial flow is approximated as flow within a series of double cusped channels and...
Resource Type:: Dissertation
Full Text:: limestone or dolomite; approxi- mately 10% or less will be coal depending upon bed depth. Heat exchanger

Design and construction of a small electric service vehicle

Creator:: Holt, Steven Charles
Abstract:: In an effort to fill an existing need two small electric service vehicles were designed, constructed, and tested. The first acted as a feasibility study and the second as a design prototype. The vehicles had low cost and the capability of being fabricated by their users as two main design...
Resource Type:: Masters Thesis
Full Text:: allows for two speeds, forward and reverse, of 5 and 10 mph. The vehicle uses motorcycle wheels and a

A comparative study of the performance of pin finned heat sinks for cooling electronic components by natural convection

Creator:: Manolescu, Mircea Ion
Abstract:: A study was conducted to determine the heat transfer characteristics of pin finned heat sinks in natural convection. Three pin diameters were studied: 0.238 cm, 0.318 cm and 0.396 cm. The pins were attached to the base in two arrangements, triangular and rectangular, forming a horizontal array. Pin spacing was...
Resource Type:: Masters Thesis
Full Text:: terms of the average Nusselt and Grashof numbers based on diameter. For Grashof numbers below 10 the

Modeling and simulation of volume displacement effects in multiphase flow

Creator:: Cihonski, Andrew John
Abstract:: There are many options available when selecting a computational model for two-phase flows. It is important to understand all the features of the model selected, including when the model is appropriate and how using it may affect your results. This work examines how volume displacement effects in two-phase Eulerian-Lagrangian models...
Resource Type:: Dissertation
Full Text:: September 19, 2012 Commencement June 2013 Doctor of Philosophy thesis of Andrew John Cihonski presented

Experimental evaluation and numerical modeling of a water source heat pump evaporator

Creator:: Means, Paul Morency
Abstract:: Water source heat pumps are increasingly being used for residential and commercial space heating. Typically, these heat pumps are capable of both heating and cooling, and historically the design emphasis has been on improving the units' cooling performance. Recently, there has been more interest in improving the heating performance, however,...
Resource Type:: Masters Thesis
Full Text:: 6 II. DETERMINING EVAPORATOR CHARACTERISTICS - EXPERIMENTAL 10 2.1 Description of Experimental

A study of forces on simulated heat exchange tubes immersed in a cold fluidized bed

Creator:: Donovan, Jerry Eugene
Abstract:: The object of this research, project was to study how different parameters effect the magnitude and frequency composition of forces exerted on simulated heat exchange tubes immersed in a cold fluidized bed. Two arrays of tubes were assembled with the tubes mounted in an equilateral triangular pitch pattern. The center...
Resource Type:: Masters Thesis
Full Text:: 10 Experimental Procedure 19 Preliminary Tests 19 Collection of Data 25 Analysis of Data 26

ScholarsArchive@OSU

Determination of cohesive parameters for aerospace adhesives

Analysis of spillway hydrodynamics for total dissolved gas prediction downstream of hydropower projects with free, plunging spillway jets

Cryogenic Single-Phase Heat Transfer in a Microscale Pin Fin Heat Sink

Compact integrated microchannel combustor, recuperator and heat exchanger For hydrogen storage applications

An analytical model of heat transfer to a horizontal cylinder immersed in a gas fluidized bed

Design and construction of a small electric service vehicle

A comparative study of the performance of pin finned heat sinks for cooling electronic components by natural convection

Modeling and simulation of volume displacement effects in multiphase flow

Experimental evaluation and numerical modeling of a water source heat pump evaporator

A study of forces on simulated heat exchange tubes immersed in a cold fluidized bed

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