Question

Prob. # 2] The temperature to be maintained in an office building is 26 C DB heat is 77.6 kW and the latent heat gain is 14.3 kW. Th accomplished by passing it through a spray-type heated to 18 C then supplied to the room. Find and 18 C W B. The sensible e cooling and dehumidifying of the air is washer with water chilled by refrigeration. The air is then a. the apparatus dew point temperature of washer, b. the tons of refrigeration ne cessary if 60 % of air is recirculated and 40 % is new air at 35 C DB and 29 C WB. Draw the schematic flow diagram of the air condition system with water cooled condenser. c.

Answer 1

Please refer the following images for the solution.

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a) The appaneu de point tempenofune of washen AOP 12.SCProm Poychoomehic chant gena he-hs 52-42 Cooling cil capac 9(69.8-42) 72.64S TR c) C401 Pecaculatd a Conditioned 601 space 18 Cw6 18C chilled watt an Heah v Cu cold wa ter Condengur Hoh wata Compres m

SHF 100 105 110 115 120 kJ/kg(d.a 85 BEN3IBLE HEAT C TOTAL HEAT - 'e Q0 75 70 ENTHALFY dH 65 19 50 18 45 16 35 14 25 12 E -5 -10 -10 -5 10 15 20 35 Dry Bulb Temperature, °C. Pressure 101325 Pa