A shell-and-tube heat exchanger with 1-shell pass and 14-tube passes is used to heat water in the tubes with geothermal steam condensing at 1208C (hfg 5 2203 kJ/kg) on the shell side. The tubes are thin-walled and have a diameter of 2.4 cm and length of 3.2 m per pass. Water (cp 5 4180 J/kg?K) enters the tubes at 228C at a rate of 3.9 kg/s. If the temperature difference between the two fluids at the exit is 468C, determine (a) the rate of heat transfer, (b) the rate of condensation of steam, and (c) the overall heat transfer coefficient.
Heat Exchangers
Heat exchangers are the types of equipment that are primarily employed to transfer the thermal energy from one fluid to another, provided that one of the fluids should be at a higher thermal energy content than the other fluid.
Heat Exchanger
The heat exchanger is a combination of two words ''Heat'' and ''Exchanger''. It is a mechanical device that is used to exchange heat energy between two fluids.
A shell-and-tube heat exchanger with 1-shell pass and
14-tube passes is used to heat water in the tubes with geothermal steam condensing at 1208C (hfg 5 2203 kJ/kg) on the shell
side. The tubes are thin-walled and have a diameter of 2.4 cm
and length of 3.2 m per pass. Water (cp 5 4180 J/kg?K) enters
the tubes at 228C at a rate of 3.9 kg/s. If the temperature difference between the two fluids at the exit is 468C, determine
(a) the rate of heat transfer, (b) the rate of condensation of
steam, and (c) the overall heat transfer coefficient.
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