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As shown in the figure below, Refrigerant 134a enters a condenser operating at steady state at 70 lbf/in2, 160 F and is condensed to saturated liquid...
As shown in the figure below, Refrigerant 134a enters a condenser operating at steady stateat 70 lbf/in2, 160̊F and is condensed to saturated liquid at 60 lbf/in2on the outside of tubesthrough which cooling water flows. In passing through the tubes, the cooling water increasesin temperature by 20̊F and experiences no significant pressure drop. Cooling water can bemodeled as incompressible with v=0.0161 ft3/lb and c = 1 Btu/lb· ̊R. The mass flow rate ofthe refrigerant is 3100 lb/h. Neglecting kinetic and potential energy effects and ignoring heattransfer from the outside of the condenser, determine:(a)The volumetric flow rate of the entering cooling water, in gal/min(b)The rate of heat transfer, in Btu/h, to the cooling water from the condensing refrigerant
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