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Filtering by: Academic Affiliation Mechanical, Industrial, and Manufacturing Engineering Remove constraint Academic Affiliation: Mechanical, Industrial, and Manufacturing Engineering Advisor Paul, Brian K. Remove constraint Advisor: Paul, Brian K. Rights Statement In Copyright Remove constraint Rights Statement: In Copyright

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Process Physics, Strategies and Economics in Metal Additive Manufacturing and Digital Microstructural Control for Energy and Chemical Process Components

Creator:

Manoharan, Sriram

Abstract:

Advances in plant construction within the energy and chemical process industries require inexpensive process intensification (PI) technology as a means to reduce plant size for enabling modular construction. One form of PI is microchannel process technology where arrays of microchannels, having hydraulic diameters on the order of 0.1 to 1...

Resource Type:

Dissertation
Foam-Core Meniscus Coating and Diffusion Bonding for Energy Applications

Creator:

Saranam, Venkata Rajesh

Abstract:

In the second chapter, a foam-core meniscus coating process was developed for retrofitting 100 nm-scale sol-gel anti-reflective coatings onto in-field solar panels through the deposition, evaporation, and curing of wet films.Advantages of this technique include the means to control fluid flow relative to substrate motion and the ability to conform...

Resource Type:

Dissertation
Manufacturing Process Design and Electrically-Assisted Embossing of a Microchannel Solar Receiver

Creator:

McNeff, Patrick S.

Abstract:

Manufacturing process design (MPD) represents a design-oriented approach to manufacturing engineering. In this dissertation, Haynes 230 (H230), a solid solution-strengthened Ni-based superalloy, was chosen to meet the material requirements of a microchannel solar receiver (MSR) needed to increase the efficiency and reduce the cost of solar thermal power generation. An...

Resource Type:

Dissertation
Manufacturing Process Design for a Stamped Microchannel High-Temperature Recuperator

Creator:

Song, Chuankai

Abstract:

Microchannel high temperature recuperators have the advantage of higher heat transfer coefficients and lower size and weight than traditional high temperature recuperators. However, the industrial application of microchannel recuperators are restricted by the high cost of photochemical machining and diffusion bonding. The objective of this paper is to introduce a...

Resource Type:

Masters Thesis
A Manufacturing Process Design for Producing a Membrane-based Energy Recovery Ventilator with High Aspect Ratio Support Ribs

Creator:

Kawula, Steven P.

Abstract:

Heating, ventilation, and air conditioning systems represent nearly half of building energy usage in the United States. Recent building regulations requiring increased air turnover within buildings will result in even greater air conditioning usage. To alleviate these concerns, membrane-based heat-and-moisture exchangers known as energy recovery ventilators have been developed to...

Resource Type:

Masters Thesis
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
Force Prediction in the Compression Sealing of an Ultra-thin Elastoviscoplastic Membrane

Creator:

McNeff, Patrick Scot

Abstract:

The objective of this paper is to demonstrate a method for mechanically characterizing a 25 μm thick elastoviscoplastic hemodialysis membrane and for quantifying the force required to use that membrane in compression sealing. First, methods are developed for mechanically characterizing the thin elastoviscoplastic membrane. Then, a finite element model is...

Resource Type:

Masters Thesis
Energy Analysis of Novel Data Center Cooling Technology : Evaporative Cooling System Operation and Microchannel Heat Exchanger Manufacturing

Creator:

Lajevardi, Babak

Abstract:

Worldwide, many organizations are pursuing higher energy efficiency by reducing power consumption of their processes, systems, and supporting infrastructure. The rapid growth of the information technology (IT) industry and the miniaturization of semiconductors have resulted in substantial increases in energy consumption and power density of IT equipment, and, subsequently, heat...

Resource Type:

Dissertation
Determining the dimensional requirements of a reliable compression sealing method for use in microchannel hemodialysers

Creator:

Ward, Dustin K.

Abstract:

Almost 600,000 people in the United States were treated for End Stage Renal Disease in 2010. A majority of those people received hemodialysis from central medical facilities. It has been reported a better treatment option for these patients would be realized if the patients had more frequent hemodialysis treatments. A...

Resource Type:

Masters Thesis
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
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
Laser keyhole welding for microlaminating a high-temperature microchannel array

Creator:

Lajevardi, Babak

Abstract:

Microchannel process technology (MPT) components are chemical unit operations which exploit highly-parallel arrays of microchannels to process large fluid volumes for portable and distributed applications. Microchannel heat exchangers (MCHXs) have demonstrated 3 to 5 times higher heat fluxes when compared to conventional heat exchangers resulting in proportionate reductions in size...

Resource Type:

Masters Thesis
Development of self-registration features for the assembly of a microchannel hemodialyser

Creator:

Porter, Spencer D.

Abstract:

More than 1.2 million people worldwide require regular hemodialysis therapy to treat end stage renal failure. In the United States alone, there are 300,000 patients and the National Kidney Foundation predicts that this number will double in the next 10 years. Currently most dialysis patients receive treatment at a dialysis...

Resource Type:

Masters Thesis
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
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
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
Uniform residence time in microreactor-assisted solution deposition of CdS thin-films for CIGS photovoltaic cells

Creator:

Hires, Clayton Lamar

Abstract:

Photovoltaic (PV) cells have long been an attractive alternative for the consumption of fossil fuels but current manufacturing practices suffer from poor energy efficiency, large carbon footprints, low material utilization, high processing temperatures and high solvent usage. A critical step in PV production is the deposition of CdS as a...

Resource Type:

Masters Thesis
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
Cooling rate limitations in the diffusion bonding of large microchannel arrays

Creator:

Lingam, Gopi K.

Abstract:

A significant barrier to the diffusion bonding of large (i.e. 600 mm) microchannel devices is the large capital investment required to setup production. This large capital investment extends from long heating and cooling cycles leading to poor production capacities. Empirical studies in industry have shown that cooling rate is limited...

Resource Type:

Masters Thesis
Nickel nanoparticles-assisted diffusion brazing of stainless steel 316 for microfluidic applications

Creator:

Tiwari, Santosh K.

Abstract:

Transient liquid-phase diffusion brazing is used in precision, hermetic joining applications as a replacement for diffusion bonding to reduce cycle times, reduce bonding pressure and improve yields. Studies showed that the interlayer used in diffusion brazing can be detrimental due to the use of melting point depressants (MPDs). The goal...

Resource Type:

Dissertation

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Academic Affiliation

Mechanical, Industrial, and Manufacturing Engineering[remove]21

Advisor

Paul, Brian K.[remove]21
Haapala, Karl R.1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 2008 to 2023

View distribution

Committee Member

Haapala, Karl R.7
Haapala, Karl5
Jovanovic, Goran N.4
Kim, David S.4
Chang, Chih-Hung2
more Committee Members »

Creator

Brannon, Samuel T.2
Lajevardi, Babak2
Abhinkar, Bindiya S.1
Eluri, Ravindranadh T.1
Hires, Clayton Lamar1
more Creators »

Contributor

Paul, Brian K.1

Date

Date range begin – Date range end

Current results range from 2007 to 2023

View distribution

Decade

2020-20292
2010-201918
2000-20091

Degree Field

Industrial Engineering18
Mechanical Engineering2
Materials Science1

Degree Level

Master's13
Doctoral8

Degree Name

Master of Science (M.S.)13
Doctor of Philosophy (Ph.D.)8

File Format

application/pdf1

Language

English [eng]21

License

All rights reserved20

Non-Academic Affiliation

Oregon State University. Graduate School16

Peer Reviewed

No21

Resource Type

Masters Thesis13
Dissertation8

Rights Statement

In Copyright[remove]21

Subject

Microreactors -- Design and construction8
Microlamination5
Heat exchangers4
Microreactors4
Diffusion bonding (Metals)3
more Subjects »

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