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01-B) Heat exchanger with a shell-and-tube type. Contains one shell pass and 20 tube passes. The hot water is used on the tube side to
01-B) Heat exchanger with a shell-and-tube type. Contains one shell pass and 20 tube passes. The hot water is used on the tube side to heat an engine oil on the shell side. The single copper tube has inner and outer diameters of (22 and 26 mm) and a length per pass of 3 m. The water enters at 98C and 0.25 kg/s and leaves at 36C. Inlet and outlet temperatures of the oil are (10 and 40C). Determine the following using equations and /or chart a- What is the heat transfer coefficient (h;) for hot water. b- What is the mass flow rate of engine oil. What is the average convection coefficient for the tube outer surface (h.). C
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