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The Instability of a Compressible Fluid heated below

Published online by Cambridge University Press:  24 October 2008

Harold Jeffreys
Harold Jeffreys
Affiliation:
St John's College
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Extract

The vertical gradient of temperature needed to produce convection currents in a layer of incompressible liquid has already been investigated in several instances. For a compressible fluid instability cannot arise until the gradient exceeds the adiabatic one; it has been assumed usually that what matters is the excess of the actual gradient over the adiabatic. Thus the excess needed in a compressible fluid is to be found by the same formula as gives the gradient needed for instability in an incompressible fluid. It is desirable, however, to investigate the validity of this assumption.

Type
Articles
Information
Mathematical Proceedings of the Cambridge Philosophical Society , Volume 26 , Issue 2 , April 1930 , pp. 170 - 172
Copyright
Copyright © Cambridge Philosophical Society 1930

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References

* Proc. Roy. Soc. A, 118, 195–208, 1928 and earlier papers.CrossRefGoogle Scholar

† Proc. Camb. Phil. Soc. 24, 477–9; 1928.CrossRefGoogle Scholar

* Proc. Camb. Phil. Soc. 26, 101–106, 1930.CrossRefGoogle Scholar