Lift and moment prediction for an oscillating airfoil with a moving separation point

P. V.K. Perumal; F. Sisto

doi:10.1115/1.3445860

Lift and moment prediction for an oscillating airfoil with a moving separation point

P. V.K. Perumal, F. Sisto

Department of Mechanical Engineering

Stevens Institute of Technology

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

An analytical method for predicting the perturbed aerodynamic reactions of a harmonically oscillating flat plate airfoil with time dependent point of separation is presented. It is shown that this method in conjunction with an empirical knowledge of the time history of the separation point can predict stall-flutter. Numerical results are presented and compared with existing theoretical and experimental results with special emphasis on torsional mode of oscillation.

Original language	English
Pages (from-to)	372-378
Number of pages	7
Journal	Journal of Engineering for Gas Turbines and Power
Volume	96
Issue number	4
DOIs	https://doi.org/10.1115/1.3445860
State	Published - Oct 1974

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title = "Lift and moment prediction for an oscillating airfoil with a moving separation point",

abstract = "An analytical method for predicting the perturbed aerodynamic reactions of a harmonically oscillating flat plate airfoil with time dependent point of separation is presented. It is shown that this method in conjunction with an empirical knowledge of the time history of the separation point can predict stall-flutter. Numerical results are presented and compared with existing theoretical and experimental results with special emphasis on torsional mode of oscillation.",

author = "Perumal, {P. V.K.} and F. Sisto",

year = "1974",

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T1 - Lift and moment prediction for an oscillating airfoil with a moving separation point

AU - Perumal, P. V.K.

AU - Sisto, F.

PY - 1974/10

Y1 - 1974/10

N2 - An analytical method for predicting the perturbed aerodynamic reactions of a harmonically oscillating flat plate airfoil with time dependent point of separation is presented. It is shown that this method in conjunction with an empirical knowledge of the time history of the separation point can predict stall-flutter. Numerical results are presented and compared with existing theoretical and experimental results with special emphasis on torsional mode of oscillation.

AB - An analytical method for predicting the perturbed aerodynamic reactions of a harmonically oscillating flat plate airfoil with time dependent point of separation is presented. It is shown that this method in conjunction with an empirical knowledge of the time history of the separation point can predict stall-flutter. Numerical results are presented and compared with existing theoretical and experimental results with special emphasis on torsional mode of oscillation.

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U2 - 10.1115/1.3445860

DO - 10.1115/1.3445860

M3 - Article

AN - SCOPUS:85003298336

SN - 0742-4795

VL - 96

SP - 372

EP - 378

JO - Journal of Engineering for Gas Turbines and Power

JF - Journal of Engineering for Gas Turbines and Power

IS - 4

ER -

Lift and moment prediction for an oscillating airfoil with a moving separation point

Abstract

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