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Numerical solutions for unsteady aerofoils using internal singularity distributions

Published online by Cambridge University Press:  04 July 2016

G. Badnyopadhyay and
B. C. Basu
G. Badnyopadhyay
Affiliation:
Indian Institute of Technology, Kharagpur, India
B. C. Basu
Affiliation:
Indian Institute of Technology, Kharagpur, India
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Extract

The problem of potential flow about two-dimensional aerofoils undergoing general unsteady motion at low speeds has been studied by Giesing and by Basu and Hancock using the method of surface singularities, both source and vorticity, distributed on the aerofoil surface, satisfying the boundary condition of zero normal flow on the instantaneous aerofoil surface. These two methods differ in the application of the Kutta condition.

Information

Type
Research Article
Information
The Aeronautical Journal , Volume 87 , Issue 863 , March 1983, pp. 105 - 108
Copyright
Copyright © Royal Aeronautical Society 1983 

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References

1. Giesing, J. P. Non-linear Two-Dimensional Unsteady Potential Flow with Lift. Journal of Aircraft, March/April 1968.5, 2.Google Scholar
2. Basu, B. C. and G. J., Hancock The Unsteady Motion of a Two-Dimensional Aerofoil in Incompressible Inviscid How. Journal of Fluid Mechanics, 1978,87, 1,159–178.Google Scholar
3. Basu, B. C. A Mean Camberline Singularity Method for Two- Dimensional Steady and Oscillatory Aerofoils and Control Surfaces in Inviscid Incompressible Flow. 1978, ARC C. P. 1391Google Scholar