Experimental engineering and manual for testing (1903)
Carpenter, Rolla C. (Rolla Clinton), 1852-1919 · New York, J. Wiley & sons; [etc., etc.] · leaf 520
Fig. 215.—Shaft-diagram. through by the crank-pin. In Fig. 215 ^ to ^ Is the exhaust,from B to C compression, D to £ steam line, ^ to ^ expan-sion. Diagrams may also be taken with the indicator mountedon the valve-chest; in this case the indicator would show vari-ation in pressure in the… … CHAPTER XVIII.METHODS OF TESTING THE STEAM-ENGINE. 412. Various Efficiencies of the Steam-engine.*—The efficiency of the steam-engine is frequently expressed in vari-ous manners, as follows: 1. Thermodynamic efficiency. This is the ratio of workdone by the working substance to the mechanical…
Building materials · Machinery
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