Mechanical equipment of buildings; a reference book for engineers and architects (1916)
Harding, Louis Allen, Willard, Arthur C. (Arthur Cutts), 1878-1960 · New York Wiley · leaf 232
ter is heated by exhaust steam otherwise wasted pro-duces a saving of 1% in the fuel required. This, however, does not take into account the initialcost of heater, interest, depreciation, attendance and repairs that must necessarily foUow anyinstallation of apparatus to cause a saving. 12 = r2 -\-… … Fig. 2. DiAGR.YM Showing Cut-out Valves in Open Position. 210 POWER PLANTS AND REFRIGERATION The per cent saving in fuel is: S = 100 X — ~ — = 100 X ^ (approximately). See Table I. (52 + rt) — qi ii — qi Example. Find the per cent saving due to a rise in temperature of the feed water from 60° F.…
Building · Heating · Ventilation
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