Reeve, Sidney A. (Sidney Armor), 1866-1941 · New York, London, The Macmillan Company · leaf 62
tangular cycle such as this the net quantity ofenergy transformed is measured by the area enclosed. THE CYCLE 45 It is evident that this same result could be reached bysubtracting from the primary energy entering the systemalong DA that rejected along BC. The difference, whichdisappears during the… … Fig. 2 lengths dW and dH respectively, shown in the centre ofFig. i, it is plain that this argument must equally apply;or, in other words, the work done in this infinitesimal cyclemust be measured by its area, given by the expression d(dWork) = dWdH. (S) If this equation be true, the sum of any…
Thermodynamics · Heat-engines
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