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Filtering by: Alternative title ssim Circular of information no. 481 Remove constraint Alternative title ssim: Circular of information no. 481 Degree Name Doctor of Philosophy (Ph.D.) Remove constraint Degree Name: Doctor of Philosophy (Ph.D.) Subject Heat -- Transmission Remove constraint Subject: Heat -- Transmission

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Local heat transfer rate and bubble dynamics during jet impingement boiling

Creator:

Mani, Preeti

Abstract:

Characterization of local boiling trends, in addition to the typically reported area-averaged trends, is essential for the robust design and implementation of phase change technologies to sensitive heat transfer applications such as electronics cooling. Obtaining the values of heat fluxes corresponding to locally varying surface temperatures has been a challenge...

Resource Type:

Dissertation

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data while retaining important information of the local variations in heat transfer. The radial
An experimental study of friction factors and mixed convection in the thermal entrance region of vertically narrow, horizontal rectangular channels for different heating conditions and aspect ratios

Creator:

Hong, Seung-Ho

Abstract:

Heat transfer and fluid mechanical behavior of water flowing horizontally in vertically-narrow rectangular channels was studied in this work. Friction factor and Nusselt number variations were determined experimentally for four different wall heating conditions, and for aspect ratios(height to width) of 5, 4, 3, 2, and 1. Wall heating conditions...

Resource Type:

Dissertation

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transfer in circular channels, studies of thermal characteristics associated with fluid flow through
Experimental studies of heat transfer with an array of horizontal tubes immersed in a high-temerature fluidized bed

Creator:

Goshayeshi, Ali

Abstract:

An experimental study is described in which time-average local heat transfer coefficients were obtained for arrays of horizontal tubes immersed in a hot fluidized bed. Spatial-averaged heat transfer coefficients, computed from local values, are also reported. Refractory particles with surface mean diameters of 2.14 mm and 3.23 mm were fluidized...

Resource Type:

Dissertation

Full Text:

represent the most important fluidized bed heat transfer information, particularly for beds of large parti
An experimental study of fluid flow and heat transfer in rectangular microchannels

Creator:

Popescu, Aristotel

Resource Type:

Dissertation

Full Text:

no point in reducing the size of a laptop much further, pending the evolution of humans with smaller
An experimental study of flow boiling heat transfer enhancement in minichannels with porous mesh heating wall

Creator:

Wang, Hailei

Abstract:

A unique channel surface enhancement technique via diffusion-bonding a layer of conductive fine wire mesh onto the heating wall was developed and used to experimentally study flow boiling enhancement in parallel microchannels. Each channel was 1000 μm wide and 510 μm high. A dielectric working fluid, HFE 7000, was used...

Resource Type:

Dissertation

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..............................................................61 3.14 Placement of Wire Thermocouples on Channel No.2 ...............................62 4.1 Test
Analysis of heat transfer, including axial conduction, for laminar tube flow with arbitrary circumferential wall heat flux

Creator:

Faghri, Mohammad

Abstract:

This thesis is concerned with the analysis of heat transfer in a tube with forced flow under conditions of an arbitrary variation of wall heat flux both axially and circumferentially. This total study is separated into two distinct problems which are presented separately. The first is the case of a...

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Dissertation

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. Comparison of local Nusselt number for the circular tube; constant wall heat flux; no axial conduction (Pe
An analytical model of heat transfer to a horizontal cylinder immersed in a gas fluidized bed

Creator:

Adams, Ronald Lynn

Abstract:

A steady gas convection model of heat transfer to a horizontal cylinder immersed in a gas fluidized bed is presented. Contributions due to flow within attached bubbles as well as the interstitial voids are included. The interstitial flow is approximated as flow within a series of double cusped channels and...

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Dissertation

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distribution. 106 4.2. Average interstitial velocity at surface, no bubble. 107 4.3. Location of edge of
An experimental investigation of natural convection heat transfer from vertical flat plates in mercury

Creator:

White, Donald Henry

Abstract:

Heat transfer from a vertical flat plate in an infinite pool of mercury was investigated. Velocity profiles were measured with a hot-film anemometer and simultaneous temperature profiles measured with thermocouples in this low Prandtl number liquid metal. Constant heat flux plates at Grashof numbers of 9 x 10⁸ and 4...

Resource Type:

Dissertation

Full Text:

equation relating Nusselt No., Nu (heat transfer coefficient) to some product of the 2 Prandtl No., Pr
An experimental study of heat transfer to a horizontal tube in a large particle fluidized bed at elevated temperature

Creator:

George, Alan Herbert

Resource Type:

Dissertation

Full Text:

components of the heat transfer. Therefore, no further comments will be made concerning them. 4 II
A theoretical study of the radiative contribution to heat transfer between a high-temperature, large-particle gas-fluidized bed and an immersed tube

Creator:

Mahbod, Bahram

Abstract:

An analytical model of the radiative contribution to the total heat transfer between a large-particle (greater than 1 mm) gas-fluidized bed and an immersed horizontal tube is discussed. The model is applied to the case of a bubbling bed and the emulsion phase contribution is obtained from a detailed analysis...

Resource Type:

Dissertation

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analysis can be carried out. The model requires knowledge of thermophysical properties and information

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Academic Affiliation

Mechanical Engineering9
Chemical Engineering1
Mechanical and Industrial Engineering1
Mechanical and Nuclear Engineering1
Mechanical, Industrial, and Manufacturing Engineering1
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Advisor

Welty, James R.8
Adams, Ronald L.1
Bushnell, Dwight J.1
Knudsen, James G.1
Larson, Milton B.1
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Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1957 to 2017

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Committee Member

Apte, Sourabh V.1
Istok, Jonathan1
Larson, Milton1
Lee, John1
Liburdy, James1
more Committee Members »

Creator

Adams, Ronald Lynn1
Al Alusi, Thamir R.1
Ambrose, Tommy W.1
Cochrane, G. F. (Glenn Frank)1
Faghri, Mohammad1
more Creators »

Date

Date range begin – Date range end

Current results range from 1957 to 2017

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Decade

2010-20192
2000-20092
1990-19991
1980-19894
1970-19793
1960-19692
1950-19591

Degree Field

Mechanical Engineering11
Chemical Engineering1
Mechanical and Industrial Engineering1
Mechanical and Nuclear Engineering1
Nuclear Engineering1

Degree Level

Doctoral15

Degree Name

Doctor of Philosophy (Ph.D.)[remove]15

Language

English [eng]15

License

All rights reserved3

Non-Academic Affiliation

Oregon State University. Graduate School15

Peer Reviewed

No15

Resource Type

Dissertation15

Rights Statement

Copyright Not Evaluated11
In Copyright4

Subject

Heat -- Transmission[remove]15
Heat -- Convection3
Ebullition2
Fluidized-bed combustion2
Heat -- Convection, Natural2
more Subjects »

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