Numerical investigation of transonic flow over deformable airfoil with plunging motion

doi:10.1007/s10483-016-2019-9

Applied Mathematics and Mechanics (English Edition) ›› 2016, Vol. 37 ›› Issue (1): 75-96.doi: https://doi.org/10.1007/s10483-016-2019-9

Numerical investigation of transonic flow over deformable airfoil with plunging motion

N. NEKOUBIN, M. R. H. NOBARI

Department of Mechanical Engineering, Amirkabir University of Technology, Tehran 15875-4413, Iran

收稿日期:2015-02-15 修回日期:2015-07-03 出版日期:2016-01-01 发布日期:2016-01-01
通讯作者: M. R. H. NOBARI E-mail:mrnobari@aut.ac.ir

Numerical investigation of transonic flow over deformable airfoil with plunging motion

N. NEKOUBIN, M. R. H. NOBARI

Department of Mechanical Engineering, Amirkabir University of Technology, Tehran 15875-4413, Iran

Received:2015-02-15 Revised:2015-07-03 Online:2016-01-01 Published:2016-01-01
Contact: M. R. H. NOBARI E-mail:mrnobari@aut.ac.ir

摘要/Abstract

摘要：

In this article, the transonic inviscid flow over a deformable airfoil with plunging motion is studied numerically. A finite volume method based on the Roe scheme developed in a generalized coordinate is used along with an arbitrary Lagrangian-Eulerian method and a dynamic mesh algorithm to track the instantaneous position of the airfoil. The effects of different governing parameters such as the phase angle, the deformation amplitude, the initial angle of attack, the flapping frequency, and the Mach number on the unsteady flow field and aerodynamic coefficients are investigated in detail. The results show that maneuverability of the airfoil under various flow conditions is improved by the deformation. In addition, as the oscillation frequency of the airfoil increases, its aerodynamic performance is significantly improved.

关键词: fluid-solid interaction, deformable airfoil, inviscid flow, transonic flow, Roe scheme, plunge motion

Abstract:

Key words: transonic flow, Roe scheme, plunge motion, inviscid flow, deformable airfoil, fluid-solid interaction

中图分类号:

76H05

N. NEKOUBIN, M. R. H. NOBARI. Numerical investigation of transonic flow over deformable airfoil with plunging motion[J]. Applied Mathematics and Mechanics (English Edition), 2016, 37(1): 75-96.

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Numerical investigation of transonic flow over deformable airfoil with plunging motion

Numerical investigation of transonic flow over deformable airfoil with plunging motion

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