Index Catalog // ScholarsArchive@OSU

Identifying habitat factors for canary rockfish (Sebastes pinniger) off Washington and Oregon using environmental data and trawl logbooks

Creator:: Vestfals, Cathleen D.
Abstract:: If fisheries managers are to effectively manage commercially exploited fish populations, a basic understanding of the factors that influence fish distribution and abundance is required. In 2005, efforts to identify Essential Fish Habitat (EFH) for the 82 groundfish species managed by the Pacific Fishery Management Council along the West Coast...
Resource Type:: Masters Thesis
Full Text:: : _____________________________________________________________________ David B. Sampson If fisheries managers are to effectively manage commercially exploited fish

Performance characterization of an integrated microscale hydrogen combustor recuperator and oil heat exchanger

Creator:: Haley, David B. (David Brien)
Abstract:: Experiments on a novel, microscale hydrogen combustor heat exchanger (µCHX) are presented in this thesis. The µCHX has been designed to efficiently transfer thermal energy to a heat transfer fluid for use in desorption of hydrogen from a metal hydride storage system of a hydrogen-powered fuel cell vehicle. The experimental...
Resource Type:: Masters Thesis
Full Text:: David B. Haley for the degree of Master of Science in Mechanical Engineering presented on June 3, 2011

Contribution of cold seep barite to the barium geochemical budget of a marginal basin

Creator:: McQuay, Erica L.
Abstract:: Large barite (BaSO4) structures mark cold seeps in the southern San Clemente Basin. Barium flux to San Clemente sediments is two to three times greater than fluxes measured in surrounding California Borderland basins. Analyses of sediment trap material, water column samples, sediments and pore water indicate that expected bariumbearing mineral...
Resource Type:: Masters Thesis
Full Text:: depth from 11 Dec. 2003 through 17 Dec. 2003. (B) Current direction (degrees, 0 = due north) for the

The leading edge of a tropical instability wave : interpretation as a gravity current

Creator:: McHugh, Elizabeth Helen
Abstract:: A sharp temperature front, oriented along the south-west corner of the leading edge of a Tropical Instability Wave (TIW) warm trough, was encountered at 0°N, 140°W on November 2, 2008 and detected by a 0.45°C increase in SST that occurred over 7 s. The distinct SST signal was observed at...
Resource Type:: Masters Thesis
Full Text:: : __________________________________________________________________ James N. Moum A sharp temperature front, oriented along the south-west corner of the

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:: ethylene laminar flames, (b) soot oxidation by the use of pure oxidizer (O2), (c) and in all cases

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

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

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
Full Text:: APPENDICES Page A k-ω Equations 79 B Uijttewaal Grids 81 C Weitbrecht Grids 82 D Single Grid 83 E LES

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

ScholarsArchive@OSU

Identifying habitat factors for canary rockfish (Sebastes pinniger) off Washington and Oregon using environmental data and trawl logbooks

Performance characterization of an integrated microscale hydrogen combustor recuperator and oil heat exchanger

Contribution of cold seep barite to the barium geochemical budget of a marginal basin

The leading edge of a tropical instability wave : interpretation as a gravity current

Microscale thermal management using membrane vapor extraction

Radiation Emissions from Turbulent Diffusion Flames Burning Large Hydrocarbon Fuels

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

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

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

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

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