AERODYNAMIC INVESTIGATION AND OPTIMIZATION OF AIRFOIL GEOMETRY AND OSCILLATION PARAMETERS IN THE PLUNGING MOTION USING RSM

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BAGHERI AMIR; ESMAEILI ALI; DJAVARESHKIAN MOHAMMAD HASSAN; ZAMANI FARD ABDOL MAJID

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Journal: Modares Mechanical Engineering Year:2015 | Volume:14 | Issue:16 Page(s): 101-111

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Title

AERODYNAMIC INVESTIGATION AND OPTIMIZATION OF AIRFOIL GEOMETRY AND OSCILLATION PARAMETERS IN THE PLUNGING MOTION USING RSM

Author(s)

BAGHERI AMIR | ESMAEILI ALI | DJAVARESHKIAN MOHAMMAD HASSAN | ZAMANI FARD ABDOL MAJID | Issue Writer Certificate

Keywords

PLUNGINGQ2

DYNAMIC MESHQ2

AIRFOIL THICKNESSQ2

AMPLITUDEQ2

FREQUENCYQ2

Abstract

In this research, the PLUNGING motion of an airfoil by a numerical method based on finite volume in different Reynolds numbers is simulated and the thickness effect, AMPLITUDE and reduced FREQUENCY on the aerodynamic coefficients are investigated. In this process, SIMPLEC algorithm, implicit solver, high order scheme and DYNAMIC MESH method is used in unsteady simulation and the flow is supposed viscous, incompressible and laminar. Simulations are in three Reynolds 1000, 11000 and 50000, respectively, in accordance with the flight of the insects, small birds and pigeons are done in two AMPLITUDEs and three reduced frequencies. The simulation results are compared with published data to confirm the validity of research. This comparison shows comprisable agreement. Pressure distribution and Vortex shedding around airfoils show that the thickness of the airfoils delays vortex shedding and changes time-averaged thrust coefficient. Reduced FREQUENCY and AMPLITUDE of oscillation are two important parameters in this simulation, but the reduce FREQUENCY is more effective than AMPLITUDE. The response surface methodology (RSM) was used to optimize the PLUNGING airfoil. Optimization shows that airfoil with 0.29% thickness, 3.08 reduced FREQUENCY and 0.5 dimensionless oscillating AMPLITUDE produce maximum trust coefficient.

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APA: Copy

BAGHERI, AMIR, ESMAEILI, ALI, DJAVARESHKIAN, MOHAMMAD HASSAN, & ZAMANI FARD, ABDOL MAJID. (2015). AERODYNAMIC INVESTIGATION AND OPTIMIZATION OF AIRFOIL GEOMETRY AND OSCILLATION PARAMETERS IN THE PLUNGING MOTION USING RSM. MODARES MECHANICAL ENGINEERING, 14(16), 101-111. SID. https://sid.ir/paper/177856/en

Vancouver: Copy

BAGHERI AMIR, ESMAEILI ALI, DJAVARESHKIAN MOHAMMAD HASSAN, ZAMANI FARD ABDOL MAJID. AERODYNAMIC INVESTIGATION AND OPTIMIZATION OF AIRFOIL GEOMETRY AND OSCILLATION PARAMETERS IN THE PLUNGING MOTION USING RSM. MODARES MECHANICAL ENGINEERING[Internet]. 2015;14(16):101-111. Available from: https://sid.ir/paper/177856/en

IEEE: Copy

AMIR BAGHERI, ALI ESMAEILI, MOHAMMAD HASSAN DJAVARESHKIAN, and ABDOL MAJID ZAMANI FARD, “AERODYNAMIC INVESTIGATION AND OPTIMIZATION OF AIRFOIL GEOMETRY AND OSCILLATION PARAMETERS IN THE PLUNGING MOTION USING RSM,” MODARES MECHANICAL ENGINEERING, vol. 14, no. 16, pp. 101–111, 2015, [Online]. Available: https://sid.ir/paper/177856/en

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