Index Catalog // ScholarsArchive@OSU

Development of a radial microlamination architecture for cylindrical microchannel arrays

Creator:: Vlieg, James H.
Abstract:: Microchannel arrays are being developed across a wide spectrum of microfluidic applications including blood processing, fuel cells and thermal management among many others. Typical arrays are based on a flat laminated architecture produced in a vacuum hot press (VHP) through solid-state diffusion bonding. Due to the cylindrical nature of certain...
Resource Type:: Masters Thesis
Full Text:: thanks are further extended to my minor professor, Dr. Richard Peterson, for his considerable support

Adhesive microlamination protocol for low-temperature microchannel arrays

Creator:: Paulraj, Prawin
Abstract:: A new adhesive bonding method is introduced for microlamination architectures, for producing low-temperature microchannel arrays in a wide variety of metals. Sheet metal embossing and chemical etching processes have been used to produce sealing bosses and flow features, resulting in approximately 50% fewer laminae over traditional methods. These lamina designs...
Resource Type:: Dissertation
Full Text:: . Karl Haapala, Dr. Richard Peterson, Dr. Logen Logendran and Dr. Mark Daeschel for their valuable time

Nanoparticle-assisted diffusion brazing of metal microchannel arrays : nanoparticle synthesis, deposition, and characterization

Creator:: Eluri, Ravindranadh T.
Abstract:: Microchannel process technology (MPT) offers several advantages to the field of nanomanufacturing: 1) improved process control over very short time intervals owing to shorter diffusional distances; and 2) reduced reactor size due to high surface area to volume ratios and enhanced heat and mass transfer. The objective of this thesis...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Ravindranadh T

Development of an economical high temperature microchannel recuperator for solid oxide fuel cells

Creator:: Brannon, Samuel T.
Abstract:: To improve the performance of solid oxide fuel cells, a secondary power cycle can be driven by the recuperation of exhaust gas heat. Microchannel recuperators are attractive for waste heat recuperation due to compact form factors which also minimize the mass of the expensive superalloys required. This paper introduces a...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Samuel T. Brannon for the degree of Master of Science in Industrial

Half Array Architecture for Advancing Microchannel Heat Recuperation to Market

Creator:: Brannon, Samuel T.
Abstract:: High temperature microchannel heat recuperators (HTμRs) offer an efficient means of improving reactor process thermal efficiency by offering smaller form factors due to increased heat transfer surface area density and volumetric heat transfer rate over traditional heat exchanger designs. To date, HTμRs face cost and reliability challenges. In this work,...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Samuel T. Brannon

Fabrication of precipitation-hardened aluminum microchannel cooling plates for adsorption-based hydrogen storage systems

Creator:: Pawar, Supriya V.
Abstract:: The need for clean and renewable fuel such as hydrogen is driven by a growing worldwide population and increasing air pollution from fossil fuels. One of the major barriers for the use of hydrogen in automotive industry is the storage of hydrogen. Physisorption is the most promising storage technique due...
Resource Type:: Masters Thesis
Full Text:: to thank Daniel Peterson and Eric Truong for their help with the CFD analysis. I would like to

A microchannel-based thermal management system for hydrogen storage adsorbent beds

Creator:: Steigleder, Leif J.
Abstract:: Hydrogen has been shown to be a promising replacement for fossil fuels for use in light duty vehicles because it is a clean, renewable and plentiful resource with a high gravimetric energy density. However, in order to obtain an acceptable volumetric energy density, densification of the hydrogen is required. Adsorptive...
Resource Type:: Masters Thesis
Full Text:: ...................................................................... 26 Figure 16: CFD mesh of the LN2 cooling plate inlet (courtesy of Daniel Peterson

Application of buckling behavior to evaluate and control shape variation in high-temperature microlamination

Creator:: Wattanutchariya, Wassanai
Abstract:: The miniaturization of energy, chemical and biological systems for distributed and portable applications, known as process intensification, is realized by the enhancement in heat and mass transfer performance within high surface-to-volume ratio microchannels. Fabrication of devices for process intensification is achieved in part by microlamination techniques. These techniques consist of...
Resource Type:: Dissertation
Full Text:: (IME), Dr. Tom Plant (ECE), Dr. Richard Peterson (ME) and Dr. Deborah Pence (ME) for their

Development of a passive micro-ball valve

Creator:: Wangwatcharakul, Worawut
Abstract:: A novel design, material, and fabrication method are presented to fabricate a passive micro-ball valve. Microvalves are critical components in microflow control devices used to control the fluid flows in microchannels. These microflow control devices can be integrated with microsensors to form micro analysis systems. Glass/silicon-based fabrication is complicated and...
Resource Type:: Masters Thesis
Full Text:: Peterson, 1999). Another advantage is that this method can be used in a greater variety of materials

Development of nickel aluminide (NiAl) microchannel array devices for high-temperature applications

Creator:: Kanlayasiri, Kannachai
Abstract:: The miniaturization of Microtechnology-based Energy, Chemical and Biological Systems (MECS) is made possible by the use of high aspect ratio microchannel arrays to increase the surface-area-to-volume ratio of the flow conduits within the devices, resulting in an improvement in the heat and mass transfer performance of the devices. However, advantages...
Resource Type:: Dissertation
Full Text:: coefficient, k is Boltzman constant, T is absolute temperature, and d is effective diffusion length that is

ScholarsArchive@OSU

Development of a radial microlamination architecture for cylindrical microchannel arrays

Adhesive microlamination protocol for low-temperature microchannel arrays

Nanoparticle-assisted diffusion brazing of metal microchannel arrays : nanoparticle synthesis, deposition, and characterization

Development of an economical high temperature microchannel recuperator for solid oxide fuel cells

Half Array Architecture for Advancing Microchannel Heat Recuperation to Market

Fabrication of precipitation-hardened aluminum microchannel cooling plates for adsorption-based hydrogen storage systems

A microchannel-based thermal management system for hydrogen storage adsorbent beds

Application of buckling behavior to evaluate and control shape variation in high-temperature microlamination

Development of a passive micro-ball valve

Development of nickel aluminide (NiAl) microchannel array devices for high-temperature applications

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