Index Catalog // ScholarsArchive@OSU

Spatio – temporal temperature variations during droplet impingement evaporation : effects of nanofluid and nano-structured surface

Creator:: Graber, Christof
Abstract:: Droplet and spray impingement cooling are typically used in high heat flux thermal management. In this thesis, droplet impingement and evaporation heat transfer characteristics are determined from measured spatially- and temporally- varying fluid and surface temperatures. Unique to this study is the documentation of the effects of using a nanofluid...
Resource Type:: Masters Thesis

Carbonation Kinetics of SrO By CO₂ for Solar Thermochemical Energy Storage

Creator:: Bagherisereshki, Elham
Abstract:: Given its abundance and accessibility, exploiting solar energy is a powerful approach to reduce dependency on fossil fuels for energy generation. Thermochemical reactions using concentrated solar power at high temperature are an attractive method of energy storage in support of concentrated solar power (CSP). Thermochemical energy storage of on-sun thermal...
Resource Type:: Masters Thesis

Density Functional Theory Investigation of CH Coupling and CH Hydrogenation Reactions on Different Cobalt Surface Facets and Fischer-Tropsch Temperature Swing Reactor Optimization

Creator:: Petersen, Dennis F.
Abstract:: Fischer-Tropsh Synthesis is a chemical process that converts CO and H₂ (syngas) into long stable hydrocarbon chains to use as fuel. This process suffers from large product distribution that requires expensive post processing. In this study, the reaction mechanism of hydrocarbon chain growth on Co is investigated on different surface...
Resource Type:: Masters Thesis
Full Text:: The author expresses sincere appreciation to PTT, MBI, Dr. Liney Arnadottir, Dr. Alex Yokochi, Dr

Wind ramp prediction

Creator:: Alexander, Chianna M.
Abstract:: The number of wind turbines and wind farms in the Pacific Northwest has increased dramatically in the past six years, which represents a significant amount of electrical generation capacity connected to the public electric grid. However, the variable nature of wind sometimes introduces excessive power, or conversely shortages, in power...
Resource Type:: Masters Thesis
Full Text:: project. I would also like to thank the members of my research group Dr. Yokochi, and Dr. von Jouanne

Downstream processing of microalgal biomass for biofuels

Creator:: Sander, Kyle B.
Abstract:: This thesis documents the work carried out investigating the downstream processing of algal biomass for biofuel production. A life cycle assessment was conducted on a hypothetical algal biodiesel process in which it was found drum drying and cell component separation were life cycle intensive processes. A laboratory experiment was conducted...
Resource Type:: Masters Thesis
Full Text:: would like to thank Dr. Alex Yokochi for letting me conduct undergraduate research under his advice

Determining localized anode condition to maintain effective corrosion protection

Creator:: Nguyen, Vinh
Abstract:: The main objective of the research is to develop a prototype device that can determine the condition of the thermally sprayed zinc anode in cathodic protection systems. The device needs to meet the following requirements: applicability in the field, non-destructiveness or minimal destructiveness of the zinc anode, ease of use...
Resource Type:: Masters Thesis

Analysis and optimal sizing of an energy storage system for wind farm applications

Creator:: Yen, Zuan Z.
Abstract:: Modern wind energy is the technology of choice with a short payback period for increasing renewable energy portfolios. Bonneville Power Administration (BPA), a United States power authority in the Pacific Northwest expects to increase their wind energy capacity from 2,000 megawatts to 6,000 megawatts within the next five years. Currently...
Resource Type:: Masters Thesis
Full Text:: research opportunities I’ve had with Dr. Ted Brekken, Dr. Annette von Jouanne, and Dr. Alex Yokochi. Their

A study of opposing mixed convection in the GRTS and in downward pipe flows using the FLUENT CFD code

Creator:: Jackson, R. Brian
Abstract:: Downward flow opposing mixed convection conditions have been studied using the FLUENT CFD code. This work was comprised of two primary objectives. The first was to study core channel flow reversal susceptibility in the Gas Reactor Test Section (GRTS) at low flow conditions. The second objective was the development of...
Resource Type:: Masters Thesis

A resource-constrained scheduling scheme that considers resources operating at multiple voltages and register assignment

Creator:: Lee, Chee
Abstract:: Power and timing requirements are becoming more and more stringent as applications move from less mobile devices to more mobile ones. As such, it is important to optimize these applications as much as possible in order to provide the best solution that is low power and low latency. Although there...
Resource Type:: Masters Thesis
Full Text:: my committee, Professors Alexandre Tenca, Alexandre F.T. Yokochi, and Cetin Kaya Koc for taking the

Production of C4-C10 Hydrocarbons from CO₂, H₂O, CO, H₂ and CH₄ Utilizing DC Glow Discharges, Catalytic Rapid Temperature Pulsing in Micro-Scale Reactors.

Creator:: Mohamed, Omar M.
Abstract:: This thesis experimentally determines the feasibility to creating C4 to C10 hydrocarbons from CO2, CO, H2, H2O and CH4. This is done in two steps, the initial step is the formation of ethylene through DC electrical glow discharge at ambient pressure while the second step is through temperature pulse controlled...
Resource Type:: Dissertation
Full Text:: research. Alongside him Dr. Nicholas AuYeung, Dr. Matthew Coblyn, Dr. Liney Arnadottir and Dr. Alexandre

ScholarsArchive@OSU

Spatio – temporal temperature variations during droplet impingement evaporation : effects of nanofluid and nano-structured surface

Carbonation Kinetics of SrO By CO₂ for Solar Thermochemical Energy Storage

Density Functional Theory Investigation of CH Coupling and CH Hydrogenation Reactions on Different Cobalt Surface Facets and Fischer-Tropsch Temperature Swing Reactor Optimization

Wind ramp prediction

Downstream processing of microalgal biomass for biofuels

Determining localized anode condition to maintain effective corrosion protection

Analysis and optimal sizing of an energy storage system for wind farm applications

A study of opposing mixed convection in the GRTS and in downward pipe flows using the FLUENT CFD code

A resource-constrained scheduling scheme that considers resources operating at multiple voltages and register assignment

Production of C4-C10 Hydrocarbons from CO₂, H₂O, CO, H₂ and CH₄ Utilizing DC Glow Discharges, Catalytic Rapid Temperature Pulsing in Micro-Scale Reactors.

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