A space is to be maintained at 26°C DB and 50% RH at a location where...

A space is to be maintained at 26°C DB and 50% RH at a location where the summer design conditions are 35°C DB and 27°C WB. In the system, 30% fresh air is used for the comfort of occupants. The cooling coil in the AHU has an apparatus dew point temperature of 9.5°C, and a by-pass factor of 0.25. The fan, supplying 36,000 m3/h air, in the AHU has a motor with an electricity consumption rate of 32 kW. Assuming 90% of this energy is converted to heat energy in the AHU;

(a) Show the process on the psychrometric chart on the following page,

(b) Calculate the ∆T of air through the fan (°C),

(c) Determine the temperature of supply air leaving the coil (°C),

(d) Find the room cooling load in kW, using corresponding enthalpy and specific volume values.

Expert Solution

please give some positive rating... i have less cf score.. thank you so much..

samet mamat answered 11 months ago

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