=+14-3. An air-cooled condenser operates in cross flow with a constant refrigerant temperature of 125 F (52

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=+14-3.

An air-cooled condenser operates in cross flow with a constant refrigerant temperature of 125 F

(52 C). The air enters at 95 F (35 C) at a flow rate of 3200 cfm (1.5 m3/s). The air-side surface area is 300 ft2 (28 m2), and the overall heat-transfer coefficient is 10 Btu/(hr-ftª-F) [57 W/

(m2-C)].

(a) What is the temperature of the air leaving the condenser?

(b) What is the flow rate for refrigerant 22 (R-22), assuming a change in state from saturated vapor to saturated liquid?

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Heating Ventilating And Air Conditioning Analysis And Design

ISBN: 9780471470151

6th Edition

Authors: Faye C. McQuiston, Jerald D. Parker, Jeffrey D. Spitler

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