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" ... the ratio of the specific heat of air at constant pressure to the specific heat at constant volume. "
Sound, 8 lectures - Page 46
by John Tyndall - 1867
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Philosophical Magazine: A Journal of Theoretical, Experimental and Applied ...

Physics - 1864
...velocity of sound is equal to the product of the velocity which is given by the Newtonian formula, by the square root of the ratio of the specific heat of air under constant pressure, to its specific heat under constant volume"J. Since this period, although...
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Report of Investigations

Mineral industries - 1919
...compression took place rapidly in a well insulated chamber, we would have Zf_/Zi Pi I Vf (3) where 7 is the ratio of the specific heat of air at constant pressure to that at constant volume. A plot of Pf/Pi is given as a function of V^/Vf for each process in figure...
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experimental physics

William Hume (scientific instrument maker.) - Physics - 1888 - 47 pages
...p0 , the relation between p and p in the waves is /\ = k, ..................... (2) where y is the ratio of the specific heat of air at constant pressure to that at constant volume, and k is constant for the particular adiabatic described. Then, for adiabatic...
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Philosophical Magazine: A Journal of Theoretical, Experimental and Applied ...

Physics - 1853
...theoretical calculation may be found in the Transactions of the Royal Society of Edinburgh, vol. xx. p. 192. The ratio of the specific heat of air at constant pressure to that at constant volume, as determined from the velocity of sound, is there taken as approximately...
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The American Journal of Science and Arts

1854
...pressure (p] becomes And the work done, during an infinite expansion, will be If, then, Y represent the ratio of the specific heat of air at constant pressure to that at constant volume, the mechanical equivalent of the heat absorbed, while the temperature is rising...
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