INTERACTIVE BOUNDARY-LAYER METHOD FOR UNSTEADY AIRFOIL FLOWS - QUASI-STEADY MODEL

被引：5

作者：

CEBECI, T

JANG, HM

机构：

[1] University of Michigan, Ann Arbor, MI

[2] Douglas Aircraft Company, Long Beach, CA

[3] Mechanical Engineering Department, Long Beach, CA

来源：

JOURNAL OF AIRCRAFT | 1990年 / 27卷 / 08期

关键词：

D O I：

10.2514/3.25340

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

An interactive boundary-layer method previously developed and tested for steady flows is used here in a quasisteady manner to examine the evolution of the flow behavior of airfoils subject to harmonic oscillation and ramp-type motions. The calculations encompass the airfoil and wake flows at angles of attack that lead to separation. The results quantify the effects of the viscous boundary layer and wake on the variation of lift coefficient with angle of attack and reduced frequency. These effects are shown to be large at angles of attack that involve boundary-layer separation. © 1990 by the American Institute of Aeronautics and Astronautics, Inc. All rights reserved.

引用

页码：673 / 678

页数：6

共 19 条

[1]

Carr L.W., Progress in Analysis and Prediction of Dynamic Stall, 25, 1, pp. 6-17, (1988)

[2]

Cebeci T., Carr L.W., Khattab A.A., Schimke S.M., Computational Aspects of Unsteady Flows, (1985)

[3]

Proceedings of the Fourth Symposium on Numerical and Physical Aspects of Aerodynamic Flows, (1989)

[4]

Cebeci T., Clark R.W., Change K.C., Halsey N.D., Lee K., Airfoils with Separation and the Resulting Wakes, 173, pp. 323-347, (1986)

[5]

Mehta U., Chang K.C., Cebeci T., Relative Advantages of Interactive and Thin Navier-Stokes Procedures, Numerical and Physical Aspects of Aerodynamic Flows, III, (1986)

[6]

Chang K.C., Alemdaroglu N., Mehta U., Cebeci T., Further Comparisons of Interactive Boundary-Layer and Thin-Layer Navier-Stokes Procedures, 25, pp. 897-903, (1988)

[7]

Gregory N., O'reilly C.L., Low-Speed Aerodynamics Characteristics of NACA 0012 Airfoil Section, including the Effects of Upper-Surface Roughness Simulating Hoar Frost

[8]

Cebeci T., Jau J., Vitiello D., Chang K.C., Prediction of Post-Stall Flows on Airfoils, 4, (1990)

[9]

Reyhner T.A., Fliigge-Lotz I., The Interaction of a Shock Wave with a Laminar Boundary Layer, 3, 2, pp. 173-199, (1968)

[10]

Cebeci T., Khattab A.A., Schimke S.M., Separation and Reattachment near the Leading Edge of a Thin Oscillating Airfoil, 188, pp. 253-274, (1988)

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