What is the water outlet temperature

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Reference no: EM13942704

Cooling water flows through the 25.4-mm-diameter thin-walled tubes of a steam condenser at 1 m/s, and a surface temperature of 350 K is maintained by the con- densing steam. The water inlet temperature is 290 K, and the tubes are 5 m long.

(a) What is the water outlet temperature? Evaluate water properties at an assumed average mean temperature, Tm = 300 K.

(b) Was the assumed value for Tm reasonable? If not, repeat the calculation using properties evaluated at

(c) If the coolant gas is air, determine the required flow rate if the heat removal rate and tube wall surface temperature remain the same. What is the outlet temperature of the air?

Reference no: EM13942704

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