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Author: Yasuhiro Kamotani
Publisher:
ISBN:
Category :
Languages : en
Pages : 75
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Book Description
Author: Yasuhiro Kamotani
Publisher:
ISBN:
Category :
Languages : en
Pages : 75
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Book Description
Author: Yasuhiro Kamotani
Publisher:
ISBN:
Category : Eddies
Languages : en
Pages : 84
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Author: Jeyhoon Mamaghani Khodadadi
Publisher:
ISBN:
Category : Jets
Languages : en
Pages : 460
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 28
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Author: J. Zhu
Publisher:
ISBN:
Category :
Languages : en
Pages : 30
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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: Keun Sun Chang
Publisher:
ISBN:
Category : Jets
Languages : en
Pages : 254
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Author: Taghi Karimipanah
Publisher:
ISBN: 9789171706676
Category :
Languages : en
Pages : 8
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Author: B. V. Johnson
Publisher:
ISBN:
Category :
Languages : en
Pages : 154
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Author: G.D. Catalano
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Yasuhiro Kamotani
Publisher:
ISBN:
Category : Jets
Languages : en
Pages : 330
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Book Description
