Reeve, Sidney A. (Sidney Armor), 1866-1941 · New York, London, The Macmillan Company · leaf 147
am enclosedbetween any intersecting four of them, as shown in Fig. 18,is very long and narrow in proportion to its area. Therange of both pressure and volume per unit of work devel- 130 THE THERMODYNAMICS OF HEAT-ENGINES oped is enormous. Entirely aside from the obstacles ofbulk and heating-surface… … The obstacle to efficiency in the steam-engine is not thepoor form of its cycle, but is the narrow practicable rangein temperature. It already begins to appear that the ob-stacle to efficiency in the use of the permanent gases asworking-substances in heat-engines is not any limitation…
Thermodynamics · Heat-engines
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