COMPUTATIONAL SIMULATION OF A TURBULENT JET NOISE, USING THE ACOUSTIC ANALOGY

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ZAHED MAHAZIN; EBRAHIMI REZA; SERAJ MAHDIZADEH N.

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Journal Paper

Paper Information

Journal: JOURNAL OF AEROSPACE MECHANICS Year:2008 | Volume:3 | Issue:4 Page(s): 25-47

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Title

COMPUTATIONAL SIMULATION OF A TURBULENT JET NOISE, USING THE ACOUSTIC ANALOGY

Author(s)

ZAHED MAHAZIN | EBRAHIMI REZA | SERAJ MAHDIZADEH N. | Issue Writer Certificate

Keywords

AEROACOUSTICQ3

SOUND FIELDQ3

LIGHTHILL EQUATIONQ3

SOUND PRESSURE LEVELQ2

Abstract

In the present study the generation and the propagation of sound wave in low Mach number flows are numerically studied. Since one of the major problems in aeroengine design is the reduction of noise pollution, the exact prediction of sonic behavior is of special importance. The target of this study is to simulate a leakage, as a free jet. The basis of this study is the hybrid method for which benchmark Reynolds stress turbulence model is applied in solving the flow field and the Lighthill analogy is used for acoustic field analysis. Meanwhile, the continuous filter white noise is applied for solving the instantaneous velocity. Accordingly, the sound pressure level profiles for axial and transverse directions are plotted. Comparison of our results with existing benchmark data is satisfactory.

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APA: Copy

ZAHED, MAHAZIN, EBRAHIMI, REZA, & SERAJ MAHDIZADEH, N.. (2008). COMPUTATIONAL SIMULATION OF A TURBULENT JET NOISE, USING THE ACOUSTIC ANALOGY. AEROSPACE MECHANICS JOURNAL, 3(4), 25-47. SID. https://sid.ir/paper/101897/en

Vancouver: Copy

ZAHED MAHAZIN, EBRAHIMI REZA, SERAJ MAHDIZADEH N.. COMPUTATIONAL SIMULATION OF A TURBULENT JET NOISE, USING THE ACOUSTIC ANALOGY. AEROSPACE MECHANICS JOURNAL[Internet]. 2008;3(4):25-47. Available from: https://sid.ir/paper/101897/en

IEEE: Copy

MAHAZIN ZAHED, REZA EBRAHIMI, and N. SERAJ MAHDIZADEH, “COMPUTATIONAL SIMULATION OF A TURBULENT JET NOISE, USING THE ACOUSTIC ANALOGY,” AEROSPACE MECHANICS JOURNAL, vol. 3, no. 4, pp. 25–47, 2008, [Online]. Available: https://sid.ir/paper/101897/en

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