|The following data refer to summer air conditioning of a building. If the return air from the room is mixed with the outside air before entry the (evaporator) cooling coil in the ratio of 4:1 by mass. Find (a) Room sensible heat factor, (b) Apparatus dew point of the cooling coil and B.P.F, (c) Fresh air mass flow rate, (d) Refrigeration load on the cooling coil. (e) If the refrigeration cycle uses R134a as a working fluid, the evaporator and condenser temperatures are 0 °c and 55 °c, respectively. The degree of superheating and subcooling are 15 °c and 15 °c . Compressor isentropic efficiency is 0.88 determine, condenser heat load, coefficient of performance, input power in kW.
|The following data refer to summer air conditioning of a building. If the return air from the room is mixed with the outside air before entry the (evaporator) cooling coil in the ratio of 4:1 by mass. Find (a) Room sensible heat factor, (b) Apparatus dew point of the cooling coil and B.P.F, (c) Fresh air mass flow rate, (d) Refrigeration load on the cooling coil. (e) If the refrigeration cycle uses R134a as a working fluid, the evaporator and condenser temperatures are 0 °c and 55 °c, respectively. The degree of superheating and subcooling are 15 °c and 15 °c . Compressor isentropic efficiency is 0.88 determine, condenser heat load, coefficient of performance, input power in kW.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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