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A shell and tube heat exchanger with one shell pass and four tube passes is being analyzed to determine the heat transfer rate and the fluid outlet temperatures for prescribed flow rates and inlet temperatures. The cold fluid has a heat capacity rate of 4200 W/K while the hotter fluid has a heat capacity rate of 2100 W/K. The number of units is 3.5.
1. Assuming that the specific heat for the for the cold fluid iskj/(kg*k) and that the specific heat for the hotter fluid is kj?(kgK), determine the mass flow rates for hot and cold fluids.
2. Determine the actual heat transfer rate.
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