An Experimental and Numerical Investigation of Confined Coaxial Turbulent Jets PDF Download
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Author: Jeyhoon Mamaghani Khodadadi
Publisher:
ISBN:
Category : Jets
Languages : en
Pages : 460
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Author: Jeyhoon Mamaghani Khodadadi
Publisher:
ISBN:
Category : Jets
Languages : en
Pages : 460
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Book Description
Author: Harold E. Adkins
Publisher:
ISBN:
Category : Jets
Languages : en
Pages : 360
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Author: J. Zhu
Publisher:
ISBN:
Category :
Languages : en
Pages : 30
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Book Description
A numerical investigation is reported of turbulent incompressible jets confined in two ducts, one cylindrical and the other conical with a 5 degree divergence. In each case, three Craya-Curtet numbers are considered which correspond, respectively, to flow situations with no moderate and strong recirculation. Turbulence closure is achieved by using the k-epsilon model and a recently proposed realizable Reynolds stress algebraic equation model that relates the Reynolds stresses explicitly to the quadratic terms of the mean velocity gradients and ensures the positiveness of each component of the turbulent kinetic energy. Calculations are carried out with a finite-volume procedure using boundary-fitted curvilinear coordinates. A second-order accurate, bounded convection scheme and sufficiently fine grids are used to prevent the solutions from being contaminated by numerical diffusion. The calculated results are compared extensively with the available experimental data. It is shown that the numerical methods presented are capable of capturing the essential flow features observed in the experiments and that the realizable Reynolds stress algebraic equation model performs much better than the k-epsilon model for this class of flows of great practical importance.
Author: Liping Xia
Publisher:
ISBN:
Category : Jets
Languages : en
Pages : 340
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Author: 夏麗萍
Publisher: Open Dissertation Press
ISBN: 9781361192900
Category :
Languages : en
Pages :
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This dissertation, "An Experimental and Numerical Investigation of a Turbulent Round Jet Issuing Into an Unsteady Crossflow" by 夏麗萍, Liping, Xia, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. DOI: 10.5353/th_b3123789 Subjects: Unsteady flow (Aerodynamics) Jets - Fluid dynamics
Author:
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ISBN:
Category :
Languages : en
Pages : 28
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Author:
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ISBN:
Category :
Languages : en
Pages : 7
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Author: Jonathan Alan Bornstein
Publisher:
ISBN:
Category : Gas dynamics
Languages : en
Pages : 125
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Author: Michael Staiano
Publisher:
ISBN:
Category : Jet nozzles
Languages : en
Pages : 138
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Author: Abel Vargas
Publisher:
ISBN:
Category : Axial flow
Languages : en
Pages : 368
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