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Engineering, 13.05.2020 00:57 Nathaliasmiles

A heat exchanger is operated to heat water entering the tubes with two shell passes and 23 tube passes at 3 kg/s and 14 °C. The exhaust oil enters the shell at 3 kg/s and 200 °C. Determine the rate of heat transfer using (1) the LMTD method and (2) NTU method. The heat capacity for the water and oil are 4180 and 2200 J/kg·K, respectively. The overall heat transfer coefficient and surface area of tube are 300 W/m2 ·K and 20 m2

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