EXPERIMENTAL INVESTIGATIONS OF SUPERSONIC FLOW AROUND A LONG AXISYMMETRIC BODY

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HEYDARI M.R.; SOLTANI M.R.; TAYEBI RAHNI M.; FARAAHANI M.

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Journal: ESTEGHLAL Year:2005 | Volume:24 | Issue:2 Page(s): 171-191

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Title

EXPERIMENTAL INVESTIGATIONS OF SUPERSONIC FLOW AROUND A LONG AXISYMMETRIC BODY

Author(s)

HEYDARI M.R. | SOLTANI M.R. | TAYEBI RAHNI M. | FARAAHANI M. | Issue Writer Certificate

Keywords

SUPERSONIC FLOW FIELDQ2

PRESSURE DISTRIBUTIONQ2

LONG AXISYMMETRIC BODYQ4

THREE-DIMENTIONAL BOUNDARY LAYERQ3

Abstract

A series of supersonic wind tunnel tests on an ogive-cylinder body were performed to investigate the PRESSURE DISTRIBUTION, the boundary layer profiles, and the flow visualization at various angles of attack. All tests were conducted in the trisonic wind tunnel of the Imam Hossein University. The theoretical shock angle at different model positions compared well with those we obtained via Schilerian results. The static surface pressure results show that the circumferential pressure at different nose sections vary significantly with angle of attack. However, minor changes in the circumferential pressure signatures along the cylindrical part of the body were observed. The total pressure measurements in the radial direction, perpendicular to the incoming flow, vary significantly both radially and longitudinally (along body length). The boundary layer thickness increases along the body. At the beginning and at the midle part of the cylinderical portion of the body, the boundary layer thickness increases uniformly with increasing angle of attack. However, this situation differs near the end of the body. Our measurements indicated a turbulent boundary layer along the model, which is probably due to the high turbulence level in the tunnel test section.

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APA: Copy

HEYDARI, M.R., SOLTANI, M.R., TAYEBI RAHNI, M., & FARAAHANI, M.. (2005). EXPERIMENTAL INVESTIGATIONS OF SUPERSONIC FLOW AROUND A LONG AXISYMMETRIC BODY. ESTEGHLAL, 24(2), 171-191. SID. https://sid.ir/paper/6071/en

Vancouver: Copy

HEYDARI M.R., SOLTANI M.R., TAYEBI RAHNI M., FARAAHANI M.. EXPERIMENTAL INVESTIGATIONS OF SUPERSONIC FLOW AROUND A LONG AXISYMMETRIC BODY. ESTEGHLAL[Internet]. 2005;24(2):171-191. Available from: https://sid.ir/paper/6071/en

IEEE: Copy

M.R. HEYDARI, M.R. SOLTANI, M. TAYEBI RAHNI, and M. FARAAHANI, “EXPERIMENTAL INVESTIGATIONS OF SUPERSONIC FLOW AROUND A LONG AXISYMMETRIC BODY,” ESTEGHLAL, vol. 24, no. 2, pp. 171–191, 2005, [Online]. Available: https://sid.ir/paper/6071/en

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