A single pass cross flow heat exchanger with both fluids unmixed has water entering at 16 deg C and exiting at 33 deg C, while oil (c p 1 93 kJ kg middot K and Iuml 870 kg m 3 ) flowing at 0 19 m 3 min enters at 38 deg C and exits at 29 deg C If the surface area of the heat exchanger is 20 m 2 , determine (a) The NTU value (b) The value of the overall heat transfer coefficient Oil flow (unmixed) Water flow (unmixed)

Question: A single-pass cross-flow heat exchanger with both fluids unmixed has water entering at 16°C and exiting at 33°C, while oil (c p = 1.93 kJ/kg·K

A single-pass cross-flow heat exchanger with both fluids unmixed has water entering at 16°C and exiting at 33°C, while oil (c_p= 1.93 kJ/kg·K and Ï = 870 kg/m³) flowing at 0.19 m³/min enters at 38°C and exits at 29°C. If the surface area of the heat exchanger is 20 m², determine

(a) The NTU value

(b) The value of the overall heat transfer coefficient.

Oil flow (unmixed) Water flow (unmixed)

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