An air conditioning system involves the mixing of cold air and warm outdoor air before the mixture is routed to the conditioned room in steady operation Cold air enters the mixing chamber at 5 deg C and 105 kPa at a rate of 1 25 m3 s while warm air enters at 34 deg C and 105 kPa The air leaves the room at 24 deg C The ratio of the mass flow rates of the hot to cold air streams is 1 6 Using variable specific heats, determine (a) The mixture temperature at the inlet of the room and (b) The rate of heat gain of the room Cold air 5C Room 24C Warm air 34 C

Question: An air-conditioning system involves the mixing of cold air and warm outdoor air before the mixture is routed to the conditioned room in steady operation.

An air-conditioning system involves the mixing of cold air and warm outdoor air before the mixture is routed to the conditioned room in steady operation. Cold air enters the mixing chamber at 5°C and 105 kPa at a rate of 1.25 m3/s while warm air enters at 34°C and 105 kPa. The air leaves the room at 24°C. The ratio of the mass flow rates of the hot to cold air streams is 1.6. Using variable specific heats, determine
(a) The mixture temperature at the inlet of the room and
(b) The rate of heat gain of the room.

An air-conditioning system involves

Cold air 5C Room- 24C Warm air 34 C

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