 | 1854 - 456 pages
...of the subtangent of an isothermal curve to that of a curve of no transmission at the same point, or of the specific heat at constant pressure to the specific heat at constant volume. This is a geometrical proof of LAPLACE'S law for all possible fluids. The same law is deduced from the Hypothesis... | |
 | Chemical Society (Great Britain) - 1889 - 852 pages
...gas is given by the / R equation V = A / gk — - T, where g is the acceleration of gravity, т CL k the ratio of the specific heat at constant pressure to the specific heat at constant volume, T the absolute temperature, R the gaseous constant for air, and d the relative density of the gas.... | |
 | Frederick Augustus Porter Barnard - 1869 - 740 pages
...«£=«£; and ^^./-y1. (in.) (IV-> Also . In which -/ is the thermo-dyuamic index of the medium, or the ratio of the specific heat at constant pressure to the specific heat at constant volume. In the case of air, у = 1.421. Now if pi, fi, pi, and pt denote the pressures at the commencement... | |
 | Frederick Augustus Porter Barnard - 1869 - 724 pages
...— r±£ (in.) t?nl?ii Also *L_^\7^1 (IV.) In which y is the thermo-dynamic index of the medinm, or the ratio of the specific heat at constant pressure to the specific heat at constant volume. In the case of air, ;'= 1.421. Now if pi, p;, p;i, and p4 denote the pressures at the commencement... | |
 | United States. Commissioners to the Paris Universal Exposition, 1867 - 1870 - 694 pages
...receiving or parting with heat, ~ ~ Also ^a In which 7 is the thermo-dynamic index of the medium, or the ratio of the specific heat at constant pressure to the specific heat at constant volume. In the case of air, y— 1.421. Now if pi, p%, ps, and p^ denote the pressures at the commencement... | |
 | United States. Commissioners to the Paris Universal Exposition, 1867 - 1870 - 718 pages
...— - , and — = — . (III.) '" ~ '" Also In which y is the thermo-dynamic index of the medium, or the ratio of the specific heat at constant pressure to the specific heat at constant volume. In the case of air, y = i. I .'! Now if pi, pi, ps, and p4 denote the pressures at the commencement... | |
 | James Clerk Maxwell - 1871 - 344 pages
...as deduced from experiments on the velocity of sound, is y = 1 '408. This is also, as we have shown, the ratio of the specific heat at constant pressure to the specific heat at constant volume. These relations were pointed out by Laplace, long before the recent development of thermodynamics.... | |
 | James Henry Cotterill - 1871 - 56 pages
...that the same laws hold good with respect to the specific heat at constant volume of air, and that the ratio of the specific heat at constant pressure to the specific heat at constant volume is 1.408, so that the actual value of the specific heat at constant volume is 1 QO OK ' 7:= 130.2.... | |
 | 1886 - 1264 pages
...den Wert l besitzt. Rs. W. MOON. On a method of calculating the constant y, expressing the relation of the specific heat at constant pressure to the specific heat at constaut voluine. Phil. Mag. XVIII. (5) 372-373. OJ LODGE. On Mr. Moon's method of calculating the... | |
 | Sir George Greenhill - 1876 - 318 pages
...2iry and therefore a = 1 H h 1 n- e « sin — - , 47r (w « \ a /) a 5. Prove that in any substance the ratio of the specific heat at constant pressure to the specific heat at constant volume is equal to the ratio of the elasticity when no heat escapes to the elasticity at constant temperature.... | |
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B with the sound velocity where y is the ratio of the specific heat at constant pressure to the specific heat at constant volume, and p is the gas pressure. 
