ASSESSMENT OF THE URANS ALGORITHM IN UNSTEADY TURBULENCE MODELING OF A JET IN CROSS FLOW

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KAMALI MOGHADDAM RAMIN

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Journal: AEROSPACE KNOWLEDGE AND TECHNOLOGY JOURNAL Year:2018 | Volume:6 | Issue:2 Page(s): 25-39

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Title

ASSESSMENT OF THE URANS ALGORITHM IN UNSTEADY TURBULENCE MODELING OF A JET IN CROSS FLOW

Author(s)

KAMALI MOGHADDAM RAMIN | Issue Writer Certificate

Keywords

NUMERICAL SIMULATION OF TURBULENCE FLOWQ1

URANS AND RANS TURBULENCE MODELSQ1

JET IN CROSS FLOWQ1

MULTI BLOCK METHODQ2

PARALLEL PROCESSINGQ2

Abstract

The main goal of the present paper is development of the unsteady turbulence modeling using the URANS algorithm and preservation of numerical performance and assessment of this method respect to the RANS model in numerical simulation of a sonic jet in supersonic cross flow. The turbulence modeling used in both algorithms is the Spalart Almaras model. To improve accuracy of the computations, the structured multi block grid is used and to decrease the computational cost, the OMP PARALLEL PROCESSING is applied. In this paper, firstly, the governing equations of both the RANS and URANS are described and then the developed code is used to analyze a 3D JET IN CROSS FLOW. The results including flow structure, distribution of the pressure and velocity profile are compared with experimental data. The URANS method show more accurate results than the RANS model in numerical simulation of the sonic jet in supersonic cross flow.

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APA: Copy

KAMALI MOGHADDAM, RAMIN. (2018). ASSESSMENT OF THE URANS ALGORITHM IN UNSTEADY TURBULENCE MODELING OF A JET IN CROSS FLOW. AEROSPACE KNOWLEDGE AND TECHNOLOGY JOURNAL, 6(2 ), 25-39. SID. https://sid.ir/paper/264210/en

Vancouver: Copy

KAMALI MOGHADDAM RAMIN. ASSESSMENT OF THE URANS ALGORITHM IN UNSTEADY TURBULENCE MODELING OF A JET IN CROSS FLOW. AEROSPACE KNOWLEDGE AND TECHNOLOGY JOURNAL[Internet]. 2018;6(2 ):25-39. Available from: https://sid.ir/paper/264210/en

IEEE: Copy

RAMIN KAMALI MOGHADDAM, “ASSESSMENT OF THE URANS ALGORITHM IN UNSTEADY TURBULENCE MODELING OF A JET IN CROSS FLOW,” AEROSPACE KNOWLEDGE AND TECHNOLOGY JOURNAL, vol. 6, no. 2 , pp. 25–39, 2018, [Online]. Available: https://sid.ir/paper/264210/en

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