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Filtering by: Dspace Collection Electronic Theses and Dissertations Remove constraint Dspace Collection: Electronic Theses and Dissertations Degree Field Mechanical Engineering Remove constraint Degree Field: Mechanical Engineering Subject Jets -- Fluid dynamics Remove constraint Subject: Jets -- Fluid dynamics

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An exact method of determining the spreading of a supersonic jet exhausting into a supersonic free stream

Creator:

Tschang, Pin-seng

Resource Type:

Masters Thesis

Full Text:

\ructurea. au, the flow field ot • Jet •zll&uetiJII into a tree etreea at Mach nuabeft and &Utent P"••vea
An experimental determination of coefficients for the contraction and diffusion of submerged jets in series.

Creator:

Heacock, Harold Wendall

Resource Type:

Masters Thesis

Full Text:

orifice as well as system back pressure, flow, and pressure upstream of the globe valve. These same
Experimental investigation of merging buoyant jets in a crossflow

Creator:

Gregorič, Miroslav

Abstract:

Merging isothermal buoyant jets in a crossflow were investigated experimentally. Jets of salt water were discharged from a constant head tank into the stagnant tap water. A crossflow was simulated by towing the discharge ports through the receiving water at desired speeds. Visualization of the jet cross-sections produced by a...

Resource Type:

Masters Thesis

Full Text:

: Visualization and recording technique. 26 in the text cross-section. These images were as bright as a
Characterization of the near-field flow structure of an acoustically self-excited jet in a large enclosure using particle image velocimetry (PIV)

Creator:

Tobias, Jason A.

Abstract:

An experimental study of the near-field flow structure produced by an incompressible turbulent Acoustically Self-Excited Jet (ASEJ) in a large enclosure using Particle Image Velocimetry (PIV) is presented. The salient feature of this jet is that it provides an increase in near-field mixing and turbulence without additional external power input....

Resource Type:

Masters Thesis

Full Text:

and that these structures could be amplified and controlled by a periodic surging applied at the jet
An experimental/analytical investigation of buoyant jets in shallow water

Creator:

Hsiao, Entsung

Abstract:

This thesis presents the results of an experimental and analytical study of single-port buoyant turbulent jets discharged into shallow water. The experimental results include the measured downstream dilution, centerline concentration and trajectory. Independent parameters considered were Froude number, submerged depth, discharge angle and velocity ratio. Results indicate that decreasing the...

Resource Type:

Dissertation

Full Text:

discharge of these waste fluid usually leads to the formation of turbulent jets and plumes. The receiving
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:

scale of the electronic devices becomes smaller and smaller, their energy consumption remains high
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:

investigated. These include technologies such as direct immersion phase change [6], spray cooling [7-9] and
Effects of orifice geometry and surface boundary condition on heat transfer of impinging jet array

Creator:

Kanokjaruvijit, Koonlaya.

Abstract:

The effects of the orifice geometry and the surface boundary condition on the heat transfer distribution to a flat surface of an impinging jet array were investigated. The jet array impinged normally onto the surface which was either isothermal or had a uniform heat flux. The experiments were performed for...

Resource Type:

Masters Thesis

Full Text:

electronic cooling. The literature review will provide some studies on jet impingement and techniques of
Flow characteristics of semi-confined impinging jet arrays

Creator:

Dano, Bertrand P. E.

Abstract:

The present study proposes to investigate the flow structure of different arrays of jets impinging on a flat surface enclosed by three walls, creating a channel that forces the air to leave in one preferential direction, generating a self sustain crossflow. Details of both the mean and some turbulence quantities...

Resource Type:

Masters Thesis

Full Text:

these results. Based on time averaged Navier-stokes equations and the k-E turbulence model, the
The effects of pulsing and blowing ratio on a 45° inclined jet in cross flow

Creator:

Stander, Arjan

Abstract:

The effect of jet flow pulsing and blowing ratio on a jet in cross flow has been investigated. Preliminary jet flow studies were performed without cross flow and an extensive study of jet with cross flow was done for a total of nine test cases. The effect of velocities ratios...

Resource Type:

Masters Thesis

Full Text:

all your love and support during these years. We made it. I would like to thank both of my advisors

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Academic Affiliation

Mechanical Engineering7
Mechanical, Industrial, and Manufacturing Engineering5

Advisor

Liburdy, James A.3
Narayanan, Vinod3
Davis, Lorin R.2
Hughes, Arthur D.1
Pence, Deborah1
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Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1958 to 2013

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Committee Member

Liburdy, James A.3
Apte, Sourabh V.2
Liburdy, James2
Narayanan, Vinod2
Deborah, Pence V.1
more Committee Members »

Creator

Cardenas, Ruander1
Dano, Bertrand P. E.1
Gregoric, Miroslav1
He, Xiaoliang1
Heacock, Harold Wendall1
more Creators »

Date

Date range begin – Date range end

Current results range from 1958 to 2013

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Decade

2010-20194
2000-20094
1990-19991
1970-19791
1950-19592

Degree Field

Mechanical Engineering[remove]12

Degree Level

Master's9
Doctoral3

Degree Name

Master of Science (M.S.)9
Doctor of Philosophy (Ph.D.)3

File Format

application/pdf1

Language

English [eng]12

License

All rights reserved5

Non-Academic Affiliation

Oregon State University. Graduate School12

Peer Reviewed

No12

Resource Type

Masters Thesis9
Dissertation3

Rights Statement

In Copyright8
Copyright Not Evaluated4

Subject

Jets -- Fluid dynamics[remove]12
Heat -- Transmission5
Electronic apparatus and appliances -- Cooling3
Ebullition2
Turbulence2
more Subjects »

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