Consider a concentric tube heat exchanger with an area of
Chapter , Problem 11.2(choose chapter or problem)
Consider a concentric tube heat exchanger with an area of 50 m2 operating under the following conditions: Hot fluid Cold fluid Heat capacity rate, kW/K 6 3 Inlet temperature, 60 30 Outlet temperature, 54 (a) Determine the outlet temperature of the hot fluid. (b) Is the heat exchanger operating in counterflow or parallel flow, or cant you tell from the available information? (c) Calculate the overall heat transfer coefficient. (d) Calculate the effectiveness of this exchanger. (e) What would be the effectiveness of this exchanger if its length were made very large?
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