SUCTION EFFECT ON A HALF MODEL PRESSURE DISTRIBUTION

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SOLTANI M.R.; POULI BABAEI MAMEGHANI A.; BAKHSH ALIPOUR A.

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Journal: Year:2007 | Volume:41 | Issue:4 (106) Page(s): 431-442

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Title

SUCTION EFFECT ON A HALF MODEL PRESSURE DISTRIBUTION

Author(s)

SOLTANI M.R. | POULI BABAEI MAMEGHANI A. | BAKHSH ALIPOUR A. | Issue Writer Certificate

Keywords

HALF MODELQ3

WIND TUNNELQ3

PRESSURE DISTRIBUTIONQ4

BOUNDARY LAYERQ3

SUCTIONQ3

WAKEQ4

Abstract

An extensive experimental study has been performed to investigate the WIND TUNNEL sidewall effect and the BOUNDARY LAYER SUCTION on a HALF MODEL PRESSURE DISTRIBUTION. A three-dimensional half wing was made according to its full span model. The wing was tested at angles of attack ranging from a= -5 to 25 degree and at Reynolds numbers of 0.5*106, 1.0*106 and 1.3*106 in a subsonic WIND TUNNEL. Experimental results such as static PRESSURE DISTRIBUTION, lift coefficient, and WAKE are compared with the corresponding 2-D results from that of similar model. WIND TUNNEL sidewall BOUNDARY LAYER SUCTION effects on the surface static PRESSURE DISTRIBUTION have been studied at various conditions has been studied. The results show that the flow over the portion of the model affected by the sidewall pressure separates at an angle of attack which is smaller than the corresponding angle for other portion of the wing. This phenomenon yields an increase in the drag coefficient and a noticeable decrease in the value of the lift coefficient. However, when SUCTION was applied to the sidewall, separation was delayed to higher angles, and the corresponding aerodynamic loads varied significantly.

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APA: Copy

SOLTANI, M.R., POULI BABAEI MAMEGHANI, A., & BAKHSH ALIPOUR, A.. (2007). SUCTION EFFECT ON A HALF MODEL PRESSURE DISTRIBUTION. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), 41(4 (106)), 431-442. SID. https://sid.ir/paper/14090/en

Vancouver: Copy

SOLTANI M.R., POULI BABAEI MAMEGHANI A., BAKHSH ALIPOUR A.. SUCTION EFFECT ON A HALF MODEL PRESSURE DISTRIBUTION. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN)[Internet]. 2007;41(4 (106)):431-442. Available from: https://sid.ir/paper/14090/en

IEEE: Copy

M.R. SOLTANI, A. POULI BABAEI MAMEGHANI, and A. BAKHSH ALIPOUR, “SUCTION EFFECT ON A HALF MODEL PRESSURE DISTRIBUTION,” JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), vol. 41, no. 4 (106), pp. 431–442, 2007, [Online]. Available: https://sid.ir/paper/14090/en

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