OPTIMIZATION OF SUCTION JET WIDTH ON NACA 0012 AIRFOIL WITH USING OF REYNOLDS STRESS MODEL (RSM)

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YOUSEFI K.; SALEH S.R.

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Journal: Journal of Applied and Computational Sciences in Mechanics Year:2014 | Volume:25 | Issue:1 (9) Page(s): 61-76

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Title

OPTIMIZATION OF SUCTION JET WIDTH ON NACA 0012 AIRFOIL WITH USING OF REYNOLDS STRESS MODEL (RSM)

Author(s)

YOUSEFI K. | SALEH S.R. | Issue Writer Certificate

Keywords

SUCTIONQ2

FLOW CONTROLQ1

SUCTION JET LENGTHQ2

SUCTION AMPLITUDEQ2

LIFT AND DRAG COEFFICIENTQ2

Abstract

In this study, the effect of SUCTION and the parameters affecting this process including SUCTION amplitude, SUCTION coefficient and the SUCTION jet width has been investigated numerically on NACA 0012 airfoil to control the fluid flow features. The flow has been assumed to be fully turbulent with the Reynolds number of 5´105. The turbulence model employed is Reynolds Stress Model (RSM). SUCTION on the airfoil was considered to be normal and uniform (perpendicular SUCTION) and SUCTION jet widths were from 1.5 to 3 percent chord length. Based on previous studies, SUCTION jet is located in optimal distance, with 10 percent chord length from the leading edge and the range of SUCTION jet entrance velocity was selected from 0.1 to 0.5 of freestream velocity. Results of present study demonstrate that the lift coefficient increases and drag coefficient decreases while SUCTION amplitude is increased. The maximum rise in lift to drag ratio is seen at SUCTION amplitude of 0.5. In addition, the lift to drag ratio climbs when SUCTION jet width increases and reaches to its maximum value at 2.5 percent chord length. In the other words, the SUCTION jet width of 2.5 percent chord length is the optimum width of SUCTION jet on the NACA 0012 airfoil.

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APA: Copy

YOUSEFI, K., & SALEH, S.R.. (2014). OPTIMIZATION OF SUCTION JET WIDTH ON NACA 0012 AIRFOIL WITH USING OF REYNOLDS STRESS MODEL (RSM). JOURNAL OF APPLIED AND COMPUTATIONAL SCIENCES IN MECHANICS (JOURNAL OF SCHOOL OF ENGINEERING), 25(1 (9)), 61-76. SID. https://sid.ir/paper/196208/en

Vancouver: Copy

YOUSEFI K., SALEH S.R.. OPTIMIZATION OF SUCTION JET WIDTH ON NACA 0012 AIRFOIL WITH USING OF REYNOLDS STRESS MODEL (RSM). JOURNAL OF APPLIED AND COMPUTATIONAL SCIENCES IN MECHANICS (JOURNAL OF SCHOOL OF ENGINEERING)[Internet]. 2014;25(1 (9)):61-76. Available from: https://sid.ir/paper/196208/en

IEEE: Copy

K. YOUSEFI, and S.R. SALEH, “OPTIMIZATION OF SUCTION JET WIDTH ON NACA 0012 AIRFOIL WITH USING OF REYNOLDS STRESS MODEL (RSM),” JOURNAL OF APPLIED AND COMPUTATIONAL SCIENCES IN MECHANICS (JOURNAL OF SCHOOL OF ENGINEERING), vol. 25, no. 1 (9), pp. 61–76, 2014, [Online]. Available: https://sid.ir/paper/196208/en

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