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 237
hour to the total weightof feed water or steam generated by boilers per hour W + 10 /2 = 0.9 [q +xr)R + (I - R) q^] + 32.If X = 1, then t2 = 0.9 [iR + (l - R) Qi] + 32. Example. Assuming an initial temperature of feed water 90° F., (gi = 58); weight of steam usedby auxiliaries, w = 1,000 lb. per… … Fig. 6. SeparaXor BiMw-oP ■—Condensate Otis Steam-Tube Feed WaterHeater. The maximum temperature to which the feedwater may be heated in an open heater isapproximately 210° F. with atmospheric exhaust.With an initial temperature of feed water of60°, {qi = 28) and ti = 210°, we find that R =0.15.…
Building · Heating · Ventilation
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