Cooling water flows through the
Chapter 8, Problem 8.49(choose chapter or problem)
Cooling water flows through the 25.4-mm-diameterthin-walled tubes of a steam condenser at 1 m/s, and asurface 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? Evaluatewater properties at an assumed average mean tem-perature, .(b) Was the assumed value for reasonable? If not,repeat the calculation using properties evaluated ata more appropriate temperature.(c) A range of tube lengths from 4 to 7 m is availableto the engineer designing this condenser. Generatea plot to show what coolant mean velocities arepossible if the water outlet temperature is to remainat the value found for part (b). All other conditionsremain the same
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