Refrigerant R-22 with a mass flow rate of 8.75 103kg/s is
Chapter 10, Problem 10.69(choose chapter or problem)
Refrigerant R-22 with a mass flow rate of ?8.75 ?10?3kg/s is condensed inside a 7-mm-diameter tube.Annular flow is observed. The saturation temperatureof the pressurized refrigerant is Tsat?45?C, and thewall temperature is Ts?40?C. Vapor properties are?v?77 kg/m3and ?v?15?10?6N?s/m2.(a) Determine the heat transfer coefficient and theheat transfer and condensation rates per unitlength at a quality of X?0.5.(b) Plot the condensation rate per unit length over therange 0.2X0.8
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