CFD ANALYSIS OF SUPERSONIC FLOW OVER VARIOUS ANGLES OF COMPRESSIONEXPANSION RAMP

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Mirzaei Yasamin; Shakiba Zahra; Goshtasbi Rad Ebrahim

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Seminar Paper

Paper Information

Seminar: CONFERENCE OF IRANIAN AEROSPACE SOCIETY
Year:2016 | Issue:15

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Title

CFD ANALYSIS OF SUPERSONIC FLOW OVER VARIOUS ANGLES OF COMPRESSIONEXPANSION RAMP

Author(s)

Mirzaei Yasamin | Shakiba Zahra | Goshtasbi Rad Ebrahim | Issue Writer Certificate

Keywords

COMPRESSION EXPANSION RAMP

SHOCK TURBULENT BOUNDARY LAYER

RAMP ANGLE

Abstract

IN THE PRESENT WORK, AN INVESTIGATION OF FLOW PHYSICS OF THE 3D INTERACTION OF SHOCK WAVE/BOUNDARY LAYER ON A COMPRESSION-EXPANSION RAMP WITH AN ANGLE OF 25O HAS BEEN CARRIED OUT BY MEANS OF REYNOLDS STRESS MODEL (RSM) IN THE FLUENT SOFTWARE. FINE FLOW STRUCTURES WERE ANALYZED THROUGH SHADOWGRAPH CONTOURS WHICH PROVIDE DISTINCTLY PERCEPTIBLE SHOCK STRUCTURES. BASED ON RESULTS FROM ZHELTOVODOV ET AL., 1990, THERE IS GOOD AGREEMENT BETWEEN EXPERIMENTAL DATA AND THE OBTAINED RESULTS WITH THE SAME GEOMETRY, BOUNDARY LAYER CONDITIONS, ETC. RESULTS CONCERNING WALL PRESSURE DISTRIBUTION ARE SEEN TO BE IN GOOD AGREEMENT WITH EXPERIMENTAL DATA. WE THEN LOOKED INTO THE EFFECT OF CHANGE IN RAMP ANGLE ON FLOW TO CONTROL SHOCK BEHAVIOR. ACCORDING TO THE SIMULATIONS, THE STARTING POINT OF SHOCK, SHOCK STRENGTH, SEPARATION LENGTH AND THE COLLISION ANGLE OF THE SEPARATED AND REATTACHMENT SHOCK WAVES ARE ALL AFFECTED BY THE CHANGE IN RAMP ANGLE.

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APA: Copy

Mirzaei, Yasamin, Shakiba, Zahra, & Goshtasbi Rad, Ebrahim. (2016). CFD ANALYSIS OF SUPERSONIC FLOW OVER VARIOUS ANGLES OF COMPRESSIONEXPANSION RAMP. CONFERENCE OF IRANIAN AEROSPACE SOCIETY. SID. https://sid.ir/paper/947950/en

Vancouver: Copy

Mirzaei Yasamin, Shakiba Zahra, Goshtasbi Rad Ebrahim. CFD ANALYSIS OF SUPERSONIC FLOW OVER VARIOUS ANGLES OF COMPRESSIONEXPANSION RAMP. 2016. Available from: https://sid.ir/paper/947950/en

IEEE: Copy

Yasamin Mirzaei, Zahra Shakiba, and Ebrahim Goshtasbi Rad, “CFD ANALYSIS OF SUPERSONIC FLOW OVER VARIOUS ANGLES OF COMPRESSIONEXPANSION RAMP,” presented at the CONFERENCE OF IRANIAN AEROSPACE SOCIETY. 2016, [Online]. Available: https://sid.ir/paper/947950/en

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