The hot and cold inlet temperatures to a concentric tube
Chapter , Problem 11.16(choose chapter or problem)
The hot and cold inlet temperatures to a concentric tube heat exchanger are Th,i 200C, Tc,i 100C, respectively. The outlet temperatures are Th,o 110C and Tc,o 125C. Is the heat exchanger operating in a parallel flow or in a counterflow configuration? What is the heat exchanger effectiveness? What is the NTU? Phase change does not occur in either fluid. 11
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