Reeve, Sidney A. (Sidney Armor), 1866-1941 · New York, London, The Macmillan Company · leaf 135
. The external work done dur-ing an infinitesimal amount of expansion, at any point, as n8 THE THERMODYNAMICS OF HEAT-ENGINES c, must be the area of the elementary rectangle cv, or PdV.The total external work done in expanding between A andB must be the integration of this expression, or the… … Fig. is In the actual expansion or compression of air or gas inthe cylinder of a motor or compressor, however, eachrevolution of the machine involves more external workthan merely that of the alteration in pressure and volume; THE LAWS OF THE PERMANENT GASES 119 there is external work involved in…
Thermodynamics · Heat-engines
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