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Filtering by: Alternative title ssim Miscellaneous paper 44 Remove constraint Alternative title ssim: Miscellaneous paper 44 Language English [eng] Remove constraint Language: English [eng] License All rights reserved Remove constraint License: All rights reserved Subject Heat -- Transmission Remove constraint Subject: Heat -- Transmission

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Coupled momentum and heat transport in laminar axisymmetric pipe flow of ferrofluids in non-uniform magnetic fields : theory and simulation

Creator:

Cruz-Fierro, Carlos Francisco

Abstract:

The effect of a non-uniform magnetic field on the coupled transport of momentum and heat is studied for the case of laminar pipe flow of a magnetically susceptible ferrofluid. The momentum and heat transport equations are complemented with the necessary electromagnetic terms and used to develop a computer simulation of...

Resource Type:

Masters Thesis

Full Text:

Recall, from Maxwell equations, that VD=Pq (3.1-43) VxH=J (3.1-44) at therefore, the electromagnetic
CFD simulation of single-phase and flow boiling in confined jet impingement with in-situ vapor extraction using two kinds of multiphase models

Creator:

He, Xiaoliang

Abstract:

With continued development of the electronic industry, the demand for highly efficient heat removal solutions requires innovative cooling technologies. A computational fluid dynamic (CFD) study, including heat transfer, is performed for an axisymmetric, confined jet impingement experiencing boiling and coupled with vapor extraction. Boiling occurs at the target surface while...

Resource Type:

Masters Thesis

Full Text:

.................................................................................. 44 4.2.7 Computational Details
Development of a process for fabricating high-aspect-ratio, meso-scale geometries in stainless steel

Creator:

Walker, Benjamin A.

Abstract:

Miniature energy and chemical systems (MECS) are miniature thermal, fluid, and chemical devices in the mesoscale size range between a sugar cube and a human fist. MECS take advantage of improved rates of mass and heat transfer that have been observed at the microscale. There are many potential applications for...

Resource Type:

Masters Thesis

Full Text:

) Procedure 42 Appendix B: Electrochemical Micromachining (EMM) Procedure 44 Appendix C: Diffusion Bonding
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

Full Text:

........................................................................... 44 9. Modified test facility for FC-72
Performance and flow stability characteristics in two-phase confined impinging jets

Creator:

Sabo, Michael D.

Abstract:

Advances in electronics fabrication, coupled with the demand for increased computing power, have driven the demand for innovative cooling solutions to dissipate waste heat generated by these devices. To meet future demands, research and development has focused on robust and stable two-phase heat transfer devices. A confined impinging jet is...

Resource Type:

Masters Thesis

Full Text:

. . . . . . . . . . . . . . . . . . . . . . . 44 4.2 Two-Phase Correlations . . . . . . . . . . . . . . . . . . . . . . . . 47 4.3 Proposed
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

Full Text:

Test Section (not in Scale) ..................................44 3.6 Schematic of the Top Clamping
Lateral fluid motion in nucleate boiling through asymmetric surface structures

Creator:

Kapsenberg, Florian

Abstract:

This thesis presents a feasibility study of a means to passively effect liquid motion parallel to a heated surface though surface geometrical modifications. Such a passive system is beneficial for electronics cooling applications as it reduces the pumping equipment normally required in flow loops and is desired for space applications,...

Resource Type:

Masters Thesis

Full Text:

. ................................................................................... 44 4.13 Selection of the laser light sheet prism
Synthesis of colloidal metal oxide nanocrystals and nanostructured surfaces using a continuous flow microreactor system and their applications in two-phase boiling heat transfer

Creator:

Choi, Chang-Ho

Abstract:

Metal oxide nanocrystals have attracted significant interests due to their unique chemical, physical, and electrical properties which depend on their size and structure. In this study, a continuous flow microreactor system was employed to synthesize metal oxide nanocrystals in aqueous solution. Assembly of nanocrystals is considered one of the most...

Resource Type:

Dissertation

Full Text:

............................................................................................................ 44 Figure 2.11. Schematic diagram of the ZnO nanocrystal assemblies..................... 45
Experimental investigation of supercritical heat transfer of carbon dioxide in parallel square microchannels with a single-wall constant heat flux boundary condition

Creator:

Zada, Kyle R.

Abstract:

In the vicinity of the pseudocritical point, supercritical carbon dioxide (sCO₂) undergoes a steep change in properties from “liquid-like” to “gas-like” as it is heated at a constant pressure. At the same time, there is a large spike in specific heat which can yield high heat transfer coefficients and heat...

Resource Type:

Masters Thesis

Full Text:

................................................................ 44 3.4 Experimental Procedure and Safety
Scaling analysis of the Direct Reactor Auxiliary Cooling System for Gas-cooled Fast Reactors during a Depressurized Loss of Forced Convection Event

Creator:

Blake, Grant C.

Abstract:

The Direct Reactor Auxiliary Cooling System (DRACS) is a passive safety system capable of removing decay heat directly from the reactor core. Its modularity makes it scalable for use in reactors with various power levels. Work has previously been completed to support inclusion of the DRACS in liquid metal reactors...

Resource Type:

Masters Thesis

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Academic Affiliation

Mechanical, Industrial, and Manufacturing Engineering12
Nuclear Science and Engineering3
Chemical, Biological and Environmental Engineering2
Chemical Engineering1
Industrial and Manufacturing Engineering1
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Advisor

Narayanan, Vinod3
Chang, Chih Hung2
Pence, Deborah2
Apte, Sourabh V.1
Blunck, David L.1
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Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1998 to 2017

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Committee Member

Liburdy, James5
Marcum, Wade3
Narayanan, Vinod3
Apte, Sourabh V.2
Drost, Kevin2
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Creator

Blake, Grant C.1
Bristol, Benjanmin R.1
Choi, Chang Ho1
Cruz Fierro, Carlos Francisco1
David, Michele1
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Date

Date range begin – Date range end

Current results range from 1998 to 2017

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Decade

2010-201916
2000-20094
1990-19991

Degree Field

Mechanical Engineering12
Nuclear Engineering4
Chemical Engineering3
Industrial Engineering1
Materials Science1

Degree Level

Master's15
Doctoral6

Degree Name

Master of Science (M.S.)15
Doctor of Philosophy (Ph.D.)6

Language

English [eng][remove]21

License

All rights reserved[remove]21

Non-Academic Affiliation

Oregon State University. Graduate School21

Peer Reviewed

No21

Resource Type

Masters Thesis15
Dissertation6

Rights Statement

In Copyright21

Subject

Heat -- Transmission[remove]21
Microreactors4
Ebullition3
Jets -- Fluid dynamics3
Two-phase flow3
more Subjects »

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