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William John Macquorn Rankine FRSE FRS (/ ˈ r æ ŋ k ɪ n /; 5 July 1820 – 24 December 1872) was a Scottish mathematician and physicist. He was a founding contributor, with Rudolf Clausius and William Thomson (Lord Kelvin), to the science of thermodynamics , particularly focusing on its First Law.
Also involved editorially were William John Macquorn Rankine, Francis Bowen, John Eadie, and John Pringle Nichol. [ 6 ] [ 7 ] [ 8 ] A list of contributors appeared in the first volume, [ 9 ] and a further list in volume II.
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Rankine's theory (maximum-normal stress theory), developed in 1857 by William John Macquorn Rankine, [1] is a stress field solution that predicts active and passive earth pressure. It assumes that the soil is cohesionless, the wall is frictionless, the soil-wall interface is vertical, the failure surface on which the soil moves is planar , and ...
The Rankine vortex is a simple mathematical model of a vortex in a viscous fluid. It is named after its discoverer, William John Macquorn Rankine . The vortices observed in nature are usually modelled with an irrotational (potential or free) vortex.
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The Rankine scale is used in engineering systems where heat computations are done using degrees Fahrenheit. [3] The symbol for degrees Rankine is °R [2] (or °Ra if necessary to distinguish it from the Rømer and Réaumur scales). By analogy with the SI unit kelvin, some authors term the unit Rankine, omitting the degree symbol. [4] [5]
ValueTales is a series of 43 simple biographical children's books published primarily by the now-defunct Value Communications, Inc. in La Jolla, California.They were written by Dr. Spencer Johnson and Ann Donegan Johnson, and illustrated by Stephen Pileggi.