Index Catalog // ScholarsArchive@OSU

Proportional integral derivative control of an oil-heated fractal-like branching microchannel desorber

Creator:: Davis, Keith R.
Abstract:: A PID controller was designed to control the performance of an oil-heated fractal-like branching microchannel desorber for use in an ammonia-absorption refrigeration system. Both the amount and concentration of ammonia refrigerant generated at the desorber can be controlled by choosing the rectified circulation ratio as the controlled variable in a...
Resource Type:: Masters Thesis
Full Text:: 1 AN ABSTRACT OF THE THESIS OF Keith R. Davis for

Microscale thermal management using membrane vapor extraction

Creator:: Apreotesi, Mario A.
Abstract:: With the miniaturization of microelectronics and increase of processor speeds in the last few decades, thermal management is drastically affecting overall packaging and system capabilities. Due to the special needs introduced, research focusing on microscale cooling has increased. This study combines the positive characteristics of single- and two-phase flows in...
Resource Type:: Honors College Thesis
Full Text:: James Liburdy, representing Mechanical Engineering

Radiation Emissions from Turbulent Diffusion Flames Burning Large Hydrocarbon Fuels

Creator:: Zeuthen, Eric D.
Abstract:: The purpose of this study is to measure and compare radiation emissions from flames burning large hydrocarbon fuels to assist in understanding how the molecular composition changes radiation emissions. Radiative heat transfer is significant because it is a primary mode of heat transfer for many combustion devices. This study also...
Resource Type:: Masters Thesis
Full Text:: mid-infrared camera (FLIR, SC6700), respectively. The radiant fraction (χR), or the ratio of the

Freeze Stage Analysis of an Indirect Freeze Desalination System

Creator:: Whitaker, Trevor A.
Abstract:: Freeze desalination poses as a potential solution to many of the issues that accompany current desalination methods. The research detailed in this manuscript involves creating and analyzing a numerical model of the freezing operation of an indirect contact freeze-melting (FM) desalination system. In this initial analysis, pure water is frozen...
Resource Type:: Honors College Thesis
Full Text:: APPROVED: Deborah V. Pence Mentor, representing Thermal-Fluid Sciences James Liburdy Committee Member

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
Full Text:: Narayanan, and Dr. James Liburdy for their continual support and assistance in completing this research. A

Analysis of Staged Hydraulic Air Compressors

Creator:: Shibley-Styer, Ian
Abstract:: To investigate the viability of staging hydraulic air compressors (HACs), a model for HACs operating with a closed loop water cycle powered by a pump was made. This model was used to simulate how these HACs would respond to variable heights and mass flow ratios for both single-stage and multi-stage...
Resource Type:: Honors College Thesis
Full Text:: _____________________________________________________________________ James Liburdy, Committee Member, representing Mechanical, Industrial and Manufacturing

The Use of Fractal-Like Bifurcating Flow Channels for Biological Targeted Cooling

Creator:: Stottlemyre, Wyatt
Abstract:: In the wake of climate change, the risk of heat related illnesses has continuously increased over the past several decades. While thermal management solutions have continued to improve, there is a need for efficient cooling systems that conform with the human body. This study combines the solutions from fractal-like flow...
Resource Type:: Honors College Thesis
Full Text:: _____________________________________________________________________ James Liburdy, Committee Member, representing Mechanical Engineering

Preliminary Numerical Study of a Condenser Using Fractal-Like Patterned Hydrophobic and Hydrophilic Strips

Creator:: Lazaroff, Spencer A.
Abstract:: Condensers are vital components of power plants and are often one of the most major cost concerns when planning construction. Generally speaking, the surface area required to dissipate the heat generated in the boiler is so great that enormous and expensive structures are necessary. The usage of a hybrid surface...
Resource Type:: Honors College Thesis
Date Created:
Full Text:: _____________________________________________________________________ James Liburdy, Committee Member, representing MIME

RANS and LES predictions of turbulent scalar transport in dead zones of natural streams

Creator:: Drost, Kevin J.
Abstract:: Natural stream systems contain a variety of ﬂow geometries which contain ﬂow separation, turbulent shear layers, and recirculation zones. This work focuses on streams with dead zones. Characterized by slower ﬂow and recirculation, dead zones are naturally occurring cutouts in stream banks. These dead zones play an important role in...
Resource Type:: Masters Thesis

Chemometrics-based Approach for Predicting Low Temperature Combustion Engine Fuel Performance

Creator:: Daly, Shane
Abstract:: Low temperature combustion (LTC) engines offer improved efficiency and reduced emissions over traditional gasoline spark-ignited and diesel compression-ignition engines. The ability to produce fuels optimized for LTC engines could help increase efficiency and therefore improve fuel economy, insomuch that Federal fuel economy standards could be met. Currently, a fuel performance...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Proportional integral derivative control of an oil-heated fractal-like branching microchannel desorber

Microscale thermal management using membrane vapor extraction

Radiation Emissions from Turbulent Diffusion Flames Burning Large Hydrocarbon Fuels

Freeze Stage Analysis of an Indirect Freeze Desalination System

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

Analysis of Staged Hydraulic Air Compressors

The Use of Fractal-Like Bifurcating Flow Channels for Biological Targeted Cooling

Preliminary Numerical Study of a Condenser Using Fractal-Like Patterned Hydrophobic and Hydrophilic Strips

RANS and LES predictions of turbulent scalar transport in dead zones of natural streams

Chemometrics-based Approach for Predicting Low Temperature Combustion Engine Fuel Performance

Limit your search

Academic Affiliation

Advisor

Commencement Year

Committee Member

Creator

Contributor

Date

Decade

Degree Field

Degree Level

Degree Name

File Format

Language

License

Non-Academic Affiliation

Peer Reviewed

Resource Type

Rights Statement

Subject

Search Constraints

Search Results

Limit your search