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On the Use of the Preston Tube in Concentric Annuli

Published online by Cambridge University Press:  04 July 2016

Alan Quarmby
Alan Quarmby*
Affiliation:
The University of Manchester Institute of Science and Technology
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Extract

Mr. Lyall's remarks may be answered from the evidence already present in refs 1 and 2 if these are considered objectively. They establish that the ratio of the shear stresses as given by Preston tubes is correct. Evidence on this point is given by the value obtained for rmt from the Preston tube measurement of shear stress ratio and its agreement with the correlation of rmt as a function of radius ratio given by Leung, Kays and Reynolds.

Type
Technical Notes
Information
The Aeronautical Journal , Volume 71 , Issue 684 , December 1967 , pp. 865 - 866
Copyright
Copyright © Royal Aeronautical Society 1967

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References

1.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
2.Quarmby, Alan. An Experimental Study of Turbulent Flow through Concentric Annuli. Int Jnl Mech Sci, Vol 9 pp 205–221, 1967.CrossRefGoogle Scholar
3.Leung, E. Y., Kays, W. M. and Reynolds, W. C. Stanford Univ Engng Report AHT 4, 1962.Google Scholar
4.Hinze, J. O.Mechanics of Turbulence, pp 129–167. Gordon and Breach, London, 1962.Google Scholar
5.Page, F. Jr, Schlinger, W. G., Breaux, P. K. and Sage, B. H.Ind Engng Chem, Vol 44, p 424, 1952.Google Scholar
6.Patel, V. C.Jnl Fluid Mech, Vol 23, p 1, 1965.Google Scholar
7.MacMillan, F. A. Experiments on Pitot Tubes in Shear Flow. ARC R and M No 3028, 1957.Google Scholar