Abrine solution is heated from 10°c to 35°c in a one-shell-pass (hot water) two-tube- pass (brine) heat exchanger. the hot water enters at 60°c and exits at 45°c. the water flow rate is 0.30 kg/s and the overall heat transfer coefficient is u = 950 w/m2 · °c. what heat exchanger area is required?

The area of heat exchanger

Explanation:

Given that

Brine heated from 10°C to 35°C and water cools from 60°C to 45°C.

Lets take these are act as counter flow heat exchanger.

So

As we know that

Here

LMTD=29.7°C.

for water

0.3 x 4.187 x 15 = 950 x A x 29.7

So the area of heat exchanger

answer:

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answer:

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