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 743
00 As the entropy is constant for an adiabatic change, the value of .T2 required may be foundby using the entropy tables for the vapor under consideration. Then 1 — xj = the weight perlb. of the vapor circulated that reaches the evaporating coils and produces useful refrigeration. Let ns = entropy… … COMPRESSION MACHINES 691 Then n. + xi r. Nc and x-, = -^ (M^ — ?ij). The following table ol tests made by the York Mfg. Co. gives a comparison of the results ob-tained operating with wet and dry compression, the double-acting machine being used for thepurpose. The pressure conditions for both tests…
Building · Heating · Ventilation
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