Engineering, 11.07.2019 01:10, AriyaSeifert

Athin walled double pipe parallel-flow heat exchanger is to be used to heat oil (cp- 2100 j/kg. k) from 20°c to 60°c at a rate of 0.3 kg/s by steam hg 2174 kj/kg) condensing at 130°c. the diameter of the tube is 2.0 cm, with overall heat transfer coefficient of 650 w/m2k. length of heat exchanger is close to: (note: the temperature of the steam at the inlet and exit is same 130°c)

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Athin walled double pipe parallel-flow heat exchanger is to be used to heat oil (cp- 2100 j/kg. k) f...