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Sting-free drag measurements on ellipsoidal cylinders at transition Reynolds numbers

Published online by Cambridge University Press:  29 March 2006

M. Judd ,
M. Vlajinac  and
E. E. Covert
M. Judd
Affiliation:
Massachusetts Institute of Technology, Department of Aeronautics and Astronautics, Aerophysics Laboratory, Cambridge, Massachusetts Present address: Department of Aeronautics and Astronautics, The University of Southampton, Southampton SO9 5NH, England.
M. Vlajinac
Affiliation:
Massachusetts Institute of Technology, Department of Aeronautics and Astronautics, Aerophysics Laboratory, Cambridge, Massachusetts
E. E. Covert
Affiliation:
Massachusetts Institute of Technology, Department of Aeronautics and Astronautics, Aerophysics Laboratory, Cambridge, Massachusetts
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Abstract

The drag coefficient for a family of axially symmetric ellipses of fineness ratio 4, 5 and 8 was measured using magnetically suspended models. The Reynolds number ranged up to 106. Thus, only the blockage interference is present, which may be partially allowed for by classical wind tunnel procedures. It is expected that the drag values presented here are accurate to 1%.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 48 , Issue 2 , 28 July 1971 , pp. 353 - 364
Copyright
© 1971 Cambridge University Press

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References

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