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An experimental investigation of laminar natural convection with a uniformly heated vertical cylinder in mercury

Creator:: Wiles, Lawrence E.
Resource Type:: Masters Thesis
Full Text:: UNIFORMLY HEATED VERTICAL CYLINDER N MERcUU Redacted for privacy Dr. 'J. R. Welty An experimental

The study of active sites and bubble formation frequency in nucleate boiling heat transfer

Creator:: Aoki, Tadao
Abstract:: The heat-transfer mechanism studied in this experiment was pool boiling from a flat horizontal surface facing upward with the bulk liquid at its saturation temperature. The hot-film anemometer probe was introduced to boiling heat-transfer analysis as a possible device for counting active nucleation sites and for other investigations such as...
Resource Type:: Masters Thesis
Full Text:: appreciation goes to Dr. James R. Welty for his valuable suggestions throughout this project. Also I would

An investigation into the mechanisms of adherence between borosilicate glass and steatite ceramic and between borosilicate glass and alumina ceramic

Creator:: Peck, Roger Lee
Abstract:: A qualitative evaluation was made of the adherence between borosilicate glass and the ceramics, steatite and alumina. Three basic adherence studies were performed. (1) A comparison between the x-ray diffraction patterns of the ceramic and the fused glass-ceramic powder mixture was made to determine if any new compounds were formed...
Resource Type:: Masters Thesis
Full Text:: qualitative evaluation of the adherence de- veloped in seals formed at various temperatures. 0,l!/ /j /2Ì

The effect of entrance configuration on local heat transfer coefficients in subsonic diffusers

Creator:: Stoffel, Edward Oswald
Abstract:: The effects of round, square, and reentrant entrances on flow regimes and local heat transfer coefficients were determined using a symmetrical, plane-wall two-dimensional, subsonic air diffuser with one of the diverging walls heated and maintained isothermal. Flow and heat transfer studies were made at total divergence angles ranging from 0...
Resource Type:: Masters Thesis
Full Text:: apparatus used in this study. Professor J. R. Welty gave helpful suggestions and criticisms for many

The design, construction and calibration of an instrumented surface for convective heat transfer studies

Creator:: Meyers, Stanley Kent
Abstract:: The purpose of this thesis work has been the design, construction and calibration of an instrumented surface for convective heat transfer studies. The surface is in the form of a flat plate roughly 24 inches wide by 48 inches long. It is made up of 48 individual cells, laminated side-by-side...
Resource Type:: Masters Thesis
Full Text:: also extended to Dr. J. R. Welty whose assistance during Dr. Wilson's absence is greatly appreciated

An experimental study of natural convection in air between a vertical isothermal flat plate and a parallel insulted flat plate

Creator:: Lee, Soon Mo
Abstract:: The free convective heat transfer phenomena in air between two vertical plates 24 by 38 inches spaced 15.895 mm apart, was investigated in this experimental study. One plate was isothermal and, the other adiabatic. A quartz fiber anomometer was used for measuring local velocities in the air between the vertical...
Resource Type:: Masters Thesis
Full Text:: Typed by Marion F. Palmateer for Soon Mo Lee ACKNOWLEDGMENT The author wishes to thank Dr. J. R

The use of a hot film anemometer to measure velocities below five cm/sec in mercury

Creator:: Hurt, John Calvin
Abstract:: A constant temperature anemometer, utilizing quartz coated hot film probes, was used to measure velocities from .1 to 5 cm/sec. The effects on anemometer performance due to time, reimmersion, and metallic sensor coatings were examinated by repeated calibrations of the probes. Contrary to previous published results, calibration change due to...
Resource Type:: Masters Thesis
Full Text:: ames R. Welty \ Abstract approved: A constant temperature anemometer, utilizing quartz coated hot

Heat generation rates of nonfissionable materials in a nuclear reactor environment

Creator:: Zimmerman, Paul James
Abstract:: Radiation induced heat generation rates of several nonfissionable materials were measured calorimetrically in a nuclear reactor environment. The calorimeter was uniquely designed to allow many materials of grossly different heat generation rates to be measured. heat transfer characteristics of the calorimeter were determined analytically and experimentally. Materials were chosen to...
Resource Type:: Masters Thesis
Full Text:: IN A NUCLEAR REACTOR ENVIRONMENT Abstract Approved: Dr. \ amen R. Welty Radiation induced heat

An experimental investigation of natural convection heat transfer from an array of uniformly heated vertical cylinders to mercury

Creator:: Dutton, Jonathan Craig
Abstract:: An experimental investigation was conducted for natural convection heat transfer in an array of uniformly heated vertical cylinders in mercury. The test section consisted of seven electrically heated cylinders of 1.365 inch diameter and 3.825 inch heated length arranged in an equilateral triangular pattern. In order to preclude side flow...
Resource Type:: Masters Thesis
Full Text:: take this opportunity to thank the many people who offered their assistance. Dr. James Welty was the

Cold trap performance : a general analysis

Creator:: Rothwell, Micheal Olin
Abstract:: A cold trap is a device used to remove certain impurities from a liquid metal by controlled precipitation of such impurities. An investigation of the thermal characteristics of laminar flow in two air-cooled cold traps was made. This investigation showed that the sodium heat transfer rate is a function of...
Resource Type:: Masters Thesis
Full Text:: . James R. Welty, Oregon State University; Dr. Richard E. Collingham and C. E. Linderoth, Manager, Sodium

ScholarsArchive@OSU

An experimental investigation of laminar natural convection with a uniformly heated vertical cylinder in mercury

The study of active sites and bubble formation frequency in nucleate boiling heat transfer

An investigation into the mechanisms of adherence between borosilicate glass and steatite ceramic and between borosilicate glass and alumina ceramic

The effect of entrance configuration on local heat transfer coefficients in subsonic diffusers

The design, construction and calibration of an instrumented surface for convective heat transfer studies

An experimental study of natural convection in air between a vertical isothermal flat plate and a parallel insulted flat plate

The use of a hot film anemometer to measure velocities below five cm/sec in mercury

Heat generation rates of nonfissionable materials in a nuclear reactor environment

An experimental investigation of natural convection heat transfer from an array of uniformly heated vertical cylinders to mercury

Cold trap performance : a general analysis

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