Numerical Study of Variable Camber Continuous Trailing Edge Flap at Off-Design Conditions

Mohammed Abdul Raheem, Prasetyo Edi, Amjad A. Pasha, Mustafa M. Rahman and Khalid A. Juhany
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Mohammed Abdul Raheem: Department of Aeronautical Engineering, King Abdulaziz University, Jeddah 21589, Saudi Arabia
Prasetyo Edi: Department of Aerospace Engineering, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia
Amjad A. Pasha: Department of Aeronautical Engineering, King Abdulaziz University, Jeddah 21589, Saudi Arabia
Mustafa M. Rahman: Mechanical Engineering Program, Physical Science and Engineering Division, King Abdullah University of Science & Technology, Thuwal 23955, Saudi Arabia
Khalid A. Juhany: Department of Aeronautical Engineering, King Abdulaziz University, Jeddah 21589, Saudi Arabia

Energies, 2019, vol. 12, issue 16, 1-22

Abstract: Numerical simulations are performed to study the outboard airfoil of advanced technology regional aircraft (ATRA) wings with five different variable camber continuous trailing edge flap (VCCTEF) configurations. The computational study aims to improve the aerodynamic efficiency of the airfoil under cruise conditions. The design of outboard airfoil complies with the hybrid laminar flow control design criteria. This work is unique in terms of analysis of the effects of VCCTEF on the ATRA wing’s outboard airfoil during the off-design condition. The Reynolds–Averaged Navier–Stokes equations coupled with the Spalart-Allmaras turbulence model are employed to perform the simulations for the baseline case and VCCTEF configurations. The current computational study is performed at an altitude of 10 km with a cruise Mach number of 0.77 and a Reynolds number of 2.16 × 10 7 . Amongst all five configurations of VCCTEF airfoils studied, a flap having a parabolic profile (VCCTEF 123) configuration shows the maximum airfoil efficiency and resulted in an increase of 6.3% as compared to the baseline airfoil.

Keywords: variable camber continuous trailing edge flap; advanced technology regional aircraft wing; computational fluid dynamics; trailing edge flap; turbulence model (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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