...neither gained nor lost, ie, in an adiabatic transformation of a perfect gas, ~. i t. where y denotes the ratio of specific heat at constant pressure to specific heat at constant volume. (50) 72. Discuss the flow of a fluid in a tube of non-uniform cross section, showing how the pressure...

...heats and viscosities by employing theformula: *~X (97—5) vs (Jeans, Dynamical Theory of Gases). r-= ratio of specific heat at constant pressure to specific heat at constant volume. v™ coefficient of viscosity. j= specific heat at constant volume. Because of the number and uncertain...

...lin which E is the thermal efficiency, P0 the initial pressure, Pb the compression pressure, and r the ratio of specific heat at constant pressure to specific heat at constant volume. EFFECT ON EFFICIENCY. Inspection of the above empirical formula will show that with a constant specific...

...at const, press. special value for s for adiabatic expansion or compression = sp. ht. at const, vol. ratio of specific heat at constant pressure to specific heat at constant volume when each is a variable, Chapter VI. A = increment. 8 = density in pounds per cubic foot. 8c = density...

...than the specific heat at constant volume. 3. A gas expands so that PV* = constant. Show that if n is the ratio of specific heat at constant pressure to specific heat at constant volume, the expansion is adiabatic. (Mech. Sc. Tripos, 1898.) 4. A gas engine works on an ideal cycle with...

...press. = special value for s for adiabatic expansion or compression = — sp.ht. at const, vol. Y' = ratio of specific heat at constant pressure to specific heat at constant volume when each is a variable Ill A = (delta) = increment. 8 = (delta) = density in pounds per cubic foot....

...compressibility factor defined in equation (11) f0 compressibility factor defined in equation (16) y ratio of specific heat at constant pressure to specific heat at constant volume (assumed equal to 1.4 for air) h absolute altitude, feet hp pressure altitude, feet <7 acceleration...

...slightly for coal-gas. They Compression depend upon an exponent representing the relationship and, of specific heat at constant pressure to specific heat at constant volume. If the gas or air be saturated at the inlet of compressor, the tendency of compression to bring down...

...E is the thermal efficiency, Pa the initial pressure (absolute), Pb the compression pressure, and r the ratio of specific heat at constant pressure to specific heat at constant volume, that with a constant specific heat of the exhaust gases, the efficiency must increase with an increase...

...expansion, or 0.0686 heat units; hence the specific t at constant volume = 0.2375 -0.0686 = 0.1689. latió of specific heat at constant pressure to specific heat at constant volume 1.2375 + 0.1689 = 1.406. (See Specific Heat, p. 593.) rlow of Air through Orifices. — The theoretical...