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The Application of the Schlieren-Interferometer to the Study of Supersonic Flow Around Unyawed Axi-Symmetric Bodies*

Published online by Cambridge University Press:  04 July 2016

J. F. Waterhouse  and
H. B. Spencer
J. F. Waterhouse
Affiliation:
Aerodynamic Research Laboratory, Sir W. G. Armstrong Whitworth Aircraft Ltd.
H. B. Spencer
Affiliation:
Aerodynamic Research Laboratory, Sir W. G. Armstrong Whitworth Aircraft Ltd.
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Extract

This note describes our recent attempts to apply the schlieren-interferometer to the study of supersonic flow around axi-symmetric bodies at zero incidence, and in particular shows how the density field distribution for a cone has been derived.

Various optical techniques, e.g. shadowgraph, schlieren and interferometric, have been used in the study of gas flows where density changes are significant. In some instances, however, a qualitative investigation is insufficient and although it is possible to obtain quantitative data from most optical methods, the interferometer has proved, so far, to be the most valuable in this respect.

Type
Technical Notes
Information
The Aeronautical Journal , Volume 65 , Issue 610 , October 1961 , pp. 691 - 694
Copyright
Copyright © Royal Aeronautical Society 1961

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Footnotes

*

Based on a Junior Lecture given to the Coventry Branch of the Society in December 1960.

References

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3.Philbert, M. (1957). Interferentialstrioscopy as Applied to Aerodynamics. Recherche Aeronautique No. 59 Published by O.N.E.R.A., 1957.Google Scholar
4.Waterhouse, J. F., Wilby, P., Spencer, H. B. and Morton, D. (1959/60). Application of the Schlieren interferometer to the Study of the Flow About a 2-Dimensional wedge at supersonic speeds. College of Aeronautics Unpublished Theses, July 1959, July 1960.Google Scholar
5.Bennett, F. D., Carter, W. C. and Bergdolt, W. E. (1952). Projectiles in Free Flight. Journal of Applied Physics, Vol. 23, No. 4, April 1952.Google Scholar