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Chemical Engineering - Heat Transfer - Discussion

Discussion Forum : Heat Transfer - Section 7 (Q.No. 44)
Heat Transfer
44.
Double pipe heat exchangers are preferably useful, when
high viscosity liquid is to be cooled.
requirement of heat transfer area is low.
overall heat transfer co-efficient is very high.
a corrosive liquid is to be heated.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.
Urvish Makwana said:   6 years ago
Double pipe heat exchangers are used when the heat transfer area is small say up to 14 m2. If we connect them in series to increase the heat transfer area it will require much space as well the pressure drop will be higher due to more fittings. Also, we can't increase no of passes for either side fluids.
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