The Principle of Similitude

descriptionPublicationkeyboard_double_arrow_right Article 01 Dec 1915 English Publisher:Springer Science and Business Media LLCJournal:Nature, volume 96, pages 396-397 (issn: 0028-0836, eissn: 1476-4687,

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Authors: Buckingham, E.;

doi: 10.1038/096396d0

The Principle of Similitude

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Abstract

(1) IN his article under the above heading (NATURE, March 18, 1915, p. 66) Lord Rayleigh deduces, by the method of dimensions, an equation for the rate of heat transfer between a solid body and a stream of fluid in which it is immersed. Commenting on this equation, M. Riabouchinsky (NATURE, July 29, p. 591) remarks that heat, temperature, length, and time are treated in the deduction as independent units; and that if we suppose only three of these units to be “really independent” we obtain a different and less definite result.

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