Question: parallel flow A double pipe heat exchanger is to be used to heat water flowing at 3.7kg/s from 25C to 48C using hot oil flowing

parallel flow

A double pipe heat exchanger is to be used to heat water flowing at 3.7kg/s from 25C to 48C using hot oil flowing at 5.4kg/s. Oil enters the heat exchanger at 95C and exits at 58C. The heat capacities of the water and oil are 4.19kJ/kgK and 1.75kJ/kgK respectively. Inner Tube: ID=10mm,OD=13mm Outer tube: ID=28mm,OD=33.5mm a) Calculate the rate heat transfer b) Calculate inner and outer transfer coefficient

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