 | Electronic journals - 1897 - 364 pages
...corresponding ratio .between the final and initial pressures we have or ft _ /*i Y . Pi W . where y is the ratio of the specific heat of air at constant pressure to that at constant volume. The difference in y for dry and moist air is small, and may here be neglected,... | |
 | Charles Lightfoot Barnes - Physics - 1897 - 242 pages
...in augmenting the velocity, and, in fact, that the elasticity should be reckoned as yE, where y is the ratio of the specific heat of air at constant pressure to that at constant volume. For air and elementary gases of low atomic weight, the value of y is about... | |
 | Balfour Stewart - 1897 - 248 pages
...in augmenting the velocity, and, in fact, that the elasticity should l)e reckoned as yE, where y is the ratio of the specific heat of air at constant pressure to that at constant volume. For air and elementary gases of low atomic weight, the value of y is about... | |
 | Hygiene - 1897 - 590 pages
...adiabatically from pressure p to pressure p, , will be raised to the temperature t=([") ;'.,, where ;'=V being the ratio of the specific heat of air at constant pressure to that at constant volume. This mass of air must take up sufficient water to saturate itself at its volume,... | |
 | 1906 - 502 pages
...took unit mass of the substance instead of unit surface' Few knew the meaning of emissivity. Q. 7. If the ratio of the specific heat of air at constant pressure to the specific heat at constant volume is 1'40, find the rise of temperature produced in a mass of air... | |
 | Joseph William Richards - Furnaces - 1907 - 258 pages
...thus generated. This is allowed for in the well-known formula for adiabatic compression : in which f = the ratio of the specific heat of air at constant pressure to that at constant volume = 1.408. V0 = the volume of the uncompressed air. p0 = the tension of the uncompressed... | |
 | William Suddards Franklin, Chauncey M. Crawford, Barry MacNutt - Electricity - 1908 - 200 pages
...SPECIFIC HEATS OF AIR BY CLEMENT AND DESORMES' METHOD. The object of this experiment is to determine the ratio of the specific heat of air at constant pressure to its specific heat at constant volume. Theory. — The method of Clement and Desormes depends upon a knowledge of the behavior of a gas. When... | |
 | American Institute of Electrical Engineers - Electric engineering - 1908 - 926 pages
...pressure as 0.2375, the mechanical equivalent of heat as 778 ft-lb. From these values we obtain that for the ratio of the specific heat of air at constant pressure to that at constant volume, K = 1.40593. The initial temperature, Tl = 50° fahr. = 509.5° absolute.... | |
 | W. H. Dines - Meteorology - 1909 - 80 pages
...atmosphere. The equation connecting vertical decrease of temperature with increase in height is where j is the ratio of the specific heat of air at constant pressure to that at constant volume, being about 1'4 for dry air, g is the acceleration due to gravity, and R is... | |
 | Ralph S. Minor - 1910 - 160 pages
...AIR. Reference.—Duff, p. 264. The object of this experiment is to obtain the value of the ratio y of the specific heat of air at constant pressure to its specific heat at constant volume. The method employed is a modification of that used first by Clement and Desormes. A quantity of the... | |
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... the ratio of the specific heat of air at constant pressure to the specific heat at constant volume. 
