Computational aerodynamic analysis on perimeter reinforced(PR)-compliant wing

查看全文 作　　者：[1]N.I.Ismail;[1]A.H.Zulkifli;[2]M.Z.Abdullah;M.Hisyam [1]Basri;Norazharuddin Shah [3]Abdullah

机构地区：[1]Faculty of Mechanical Engineering,Universiti Teknologi MARA,40450 Shah Alam,Selangor,Malaysia;[2]School of Mechanical Engineering,Universiti Sains Malaysia,Engineering Campus,14300 Nibong Tebal,Penang,Malaysia;[3]School of Materials and Mineral Resources Engineering,Universiti Sains Malaysia,Engineering Campus,14300 Nibong Tebal,Penang,Malaysia

出　　处：《Chinese Journal of Aeronautics》索引2013年第26卷第5期,共13页

基　　金：support provided by the Malaysia Ministry of Higher Education’s Fundamental Research Grant Scheme(FRGS)(No.600-RMI/FRGS5/3(22/2012)) 摘　　要：Implementing the morphing technique on a micro air vehicle(MAV) wing is a very challenging task,due to the MAV's wing size limitation and the complex morphing mechanism.As a result,understanding aerodynamic characteristics and flow confgurations,subject to wing structure deformation of a morphing wing MAV has remained obstructed.Thus,this paper presents the investigation of structural deformation,aerodynamics performance and flow formation on a proposed twist morphing MAV wing design named perimeter reinforced(PR)-compliant wing.The numerical simulation of two-way fluid structure interaction(FSI) investigation consist of a quasistatic aeroelastic structural analysis coupled with 3D incompressible Reynolds-averaged Navier-Stokes and shear-stress-transport(RANS-SST) solver utilized throughout this study.Verifcation of numerical method on a rigid rectangular wing achieves a good correlation with available experimental results.A comparative aeroelastic study between PR-compliant to PR and rigid wing performance is organized to elucidate the morphing wing performances.Structural deformation results show that PR-compliant wing is able to alter the wing's geometric twist characteristic,which has directly influenced both the overall aerodynamic performance and flow structure behavior.Despite the superior lift performance result,PR-compliant wing also suffers from massive drag penalty,which has consequently affected the wing effciency in general.Based on vortices investigation,the results reveal the connection between these aerodynamic performances with vortices formation on PR-compliant wing. 关键词：空气动力学分析 Navier-Stokes方程相容空气动力学性能空气动力学特性空气动力性能数值模拟方法微型飞行器

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Computational aerodynamic analysis on perimeter reinforced(PR)-compliant wing

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