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Displacement Effects on Pitot Tubes with Rectangular Mouths

Published online by Cambridge University Press:  07 June 2016

Alan Quarmby  and
H. K. Das
Alan Quarmby
Affiliation:
Faculty of Technology, University of Manchester
H. K. Das
Affiliation:
Faculty of Technology, University of Manchester
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Summary

The displacement effects on a set of five rectangular mouthed pitot tubes of a constant thickness ratio, 0-6, were investigated in fully developed turbulent flow in a plain tube. The results show that the displacement due to shear only, δ1, is given by δ1/b=0.19, where b is the outside thickness of the pitot tube. The additional wall effect is found to have a dependence on Reynolds number or, equivalently, wall shear within the range investigated of 27 500 < Rev < 58 300. The wall effect results may be presented as a single curve, however, if consideration is given to the distance up to which the wall effect is present.

Type
Research Article
Information
Aeronautical Quarterly , Volume 20 , Issue 2 , May 1969 , pp. 129 - 139
Copyright
Copyright © Royal Aeronautical Society. 1969

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References

1. Macmillan, F. A. Experiments on pitot tubes in shear flow. ARC R & M 3028, 1957.Google Scholar
2. Young, A. D. and Maas, J. N. The behaviour of a pitot tube in a transverse total pressure gradient. ARC R & M 1770,1937.Google Scholar
3. Preston, J. H. The determination of turbulent skin friction by means of pitot tubes. Journal of the Royal Aernautical Society, Vol. 58, p. 109, 1954.Google Scholar
4. Quarmby, Alan. On the use of the Preston tube in concentric annuli. Journal of the Royal Aeronautical Society, Vol. 71, p. 47,1967.Google Scholar