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IV.—Some Experiments having Particular Reference to the Flow of Water along Short Capillary Tubes connecting Two Vessels with Free Surfaces

Published online by Cambridge University Press:  15 September 2014

J. Allen
J. Allen
Affiliation:
University of Manchester
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Summary

The present investigation of the discharge of water from one vessel or reservoir to another with free surfaces, through capillary tubes of various ratios of outside to inside diameters between 1.59 and 4.31 and of various ratios between 28.8(7) and 155.2, indicates that the behaviour as a whole is represented by

provided the ends of the tubes are sharp and the conditions within the range of values of R exhibited in fig. 2.

The losses of energy are reduced by grinding the ends to a bell-mouth shape, although the effect becomes very small with the longest tubes.

The author is indebted to Professor A. H. Gibson, D.Sc, LL.D., for the facilities placed at his disposal in the Whitworth Engineering Laboratory of Manchester University, and to Mr R. Butt, M.Sc, for assistance in both the experimental work and the calculation of results.

Type
Proceedings
Information
Proceedings of the Royal Society of Edinburgh , Volume 56 , 1937 , pp. 26 - 37
Copyright
Copyright © Royal Society of Edinburgh 1937

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References

References to Literature

Barr, G., 1931. A Monograph of Viscometry, Oxford University Press.CrossRefGoogle Scholar
Dryden, , Murnaghan, , Bateman, , 1932. Bull. Nat. Res. Cl., Washington, D.C., No. 84.Google Scholar
Gibson, A. H., 1913. “The Kinetic Energy of Viscous Flow through a Circular Tube,” Proc. Roy. Soc. Edin., vol. xxxiv, pp. 60–63.Google Scholar