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Unsteady Thin-Airfoil Theory Revisited: Application of a Simple Lift Formula
Liu TS; Wang SZ(王士召); Zhang X(张星); He GW(何国威); Liu, TS (reprint author), Western Michigan Univ, Dept Mech & Aerosp Engn, Kalamazoo, MI 49008 USA.
Source PublicationAIAA Journal
2015-06
Volume53Issue:6Pages:1492-1502
ISSN0001-1452
AbstractThe physical foundations of unsteady thin-airfoil theory are explored in the general framework of viscous flows. The thin-airfoil lift formula is derived by using the simple lift formula that contains the vortex lift and the lift associated with the fluid acceleration. From a broader perspective, the thin-airfoil lift formula could be applicable even when the flow around an airfoil is moderately separated, from which the classical von Karman-Sears lift formula can be recovered as a reduced case. The quantitative relationship between boundary layer and lift generation is discussed. Direct numerical simulations of low-Reynolds-number flows over a flapping flat-plate airfoil are conducted to examine the accuracy and limitations of the thin-airfoil lift formula.
Subject Area力学 ; 流体力学 ; 空气动力学
DOI10.2514/1.J053439
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000354386200008
WOS KeywordFORCES ; FLOWS ; MOMENT ; MOTION
WOS Research AreaEngineering
WOS SubjectEngineering, Aerospace
Funding OrganizationThis work was supported by the National Natural Science Foundation of China under project noumbers 10872201, 11232011, 11302238, and 11372331, and the National Basic Research Program of China (973 Program) under project number 2013CB834100 (nonlinear science). Tianshu Liu would like to acknowledge the hospitality received at Laboratory of Nonlinear Mechanics during his visit where he accomplished this work. The simulations were performed on TianHe-1. We would like to acknowledge the support from the National Supercomputer Center in Tianjin.
DepartmentLNM湍流
Classification一类
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/58356
Collection非线性力学国家重点实验室
Corresponding AuthorLiu, TS (reprint author), Western Michigan Univ, Dept Mech & Aerosp Engn, Kalamazoo, MI 49008 USA.
Recommended Citation
GB/T 7714
Liu TS,Wang SZ,Zhang X,et al. Unsteady Thin-Airfoil Theory Revisited: Application of a Simple Lift Formula[J]. AIAA Journal,2015,53(6):1492-1502.
APA Liu TS,Wang SZ,Zhang X,He GW,&Liu, TS .(2015).Unsteady Thin-Airfoil Theory Revisited: Application of a Simple Lift Formula.AIAA Journal,53(6),1492-1502.
MLA Liu TS,et al."Unsteady Thin-Airfoil Theory Revisited: Application of a Simple Lift Formula".AIAA Journal 53.6(2015):1492-1502.
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