Improving the efficiency of a serpentine inlet duct by using of Blowing Jet Vortex Generators flow control technique

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Maghsoudi iman; MAHMOODI MOSTAFA; Vaziri Zanjani Mohammad Ali

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Journal: Modeling in Engineering Year:2018 | Volume:16 | Issue:53 Page(s): 9-23

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Title

Improving the efficiency of a serpentine inlet duct by using of Blowing Jet Vortex Generators flow control technique

Author(s)

Maghsoudi iman | MAHMOODI MOSTAFA | Vaziri Zanjani Mohammad Ali | Issue Writer Certificate

Keywords

Serpentine inletQ1

Total pressure recoveryQ1

Distortion coefficientQ1

secondary flowQ1

Vortex generatorsQ1

Abstract

In this research, aerodynamic performance of a double s-shaped Serpentine inlet duct is numerically investigated by using of blowing Jet Vortex generators flow control technique. At first, turbulence equations are validated by comparing the numerical results with experimental test data of a standard inlet, and aerodynamic loss parameters of a sample Serpentine inlet are estimated in flight condition of Mach=0. 7 at Altitude=9000m. Then the effect of active flow control technic on the loss parameters are studied by installing two sets of 20 blowing Vortex generators on the upper and lower walls of the duct in 5 separated and integrated arrangement schemes by simulating 0. 01 and 0. 02 blowing mass flow ratios. By comparing between 5 schemes with clean duct in the fields of blowing mass flow ratio, 2% blowing ratio has better improvement results in all schemes. In the field of arrangement position, C3 and C5 schemes respectively by 3. 1% and 3. 12% increase in Total pressure recovery, 67. 16% and 64. 66% decrease in DC(60) Distortion coefficient and 71. 8% and 64. 5% decrease in DPCP coefficient at 2% blowing mass flow ratio, are selected as the best flow control scheme.

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APA: Copy

Maghsoudi, iman, MAHMOODI, MOSTAFA, & Vaziri Zanjani, Mohammad Ali. (2018). Improving the efficiency of a serpentine inlet duct by using of Blowing Jet Vortex Generators flow control technique. JOURNAL OF MODELING IN ENGINEERING, 16(53 ), 9-23. SID. https://sid.ir/paper/359423/en

Vancouver: Copy

Maghsoudi iman, MAHMOODI MOSTAFA, Vaziri Zanjani Mohammad Ali. Improving the efficiency of a serpentine inlet duct by using of Blowing Jet Vortex Generators flow control technique. JOURNAL OF MODELING IN ENGINEERING[Internet]. 2018;16(53 ):9-23. Available from: https://sid.ir/paper/359423/en

IEEE: Copy

iman Maghsoudi, MOSTAFA MAHMOODI, and Mohammad Ali Vaziri Zanjani, “Improving the efficiency of a serpentine inlet duct by using of Blowing Jet Vortex Generators flow control technique,” JOURNAL OF MODELING IN ENGINEERING, vol. 16, no. 53 , pp. 9–23, 2018, [Online]. Available: https://sid.ir/paper/359423/en

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