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In a chemical plant a solution of density 1100kgm3 and specific heat capacity 46 kJkgKis to be heated from 65 OC to 100OC The required flow rate of the solution is 118 kgs Atubular heat

In a chemical plant a solution of density 1100kg/m3 and specific heat capacity 4.6 kJ/kg-Kis to be heated from 65 OC to 100OC. The required flow rate of the solution is 11.8 kg/s. Atubular heat exchanger is used for this with the solution flowing about 1.2 m/s in 25 mmbore iron tubes and being heated by wet steam at 115OC. The length of the tubes is not toexceed 3.5m . Taking inside, and outside heat transfer coefficient as 5 and 10kW/m2 and neglecting the thermal resistance of the tube wall estimate the number of tubes and the number of tube passes required.
 

Jun 18 2020 View more View Less

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