Question

A fluid is flowing inside the inner tube of a double pipe heat exchanger with diameter 'd'. For a fixed mass flow rate, the tube side heat transfer co-efficient for turbulent flow conditions is proportional to

a.

d^(0.8)

b.

d^(-0.2)

c.

d⁻¹

d.

d^(-1.8)

Answer: (b).d^(-0.2)

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Q. A fluid is flowing inside the inner tube of a double pipe heat exchanger with diameter 'd'. For a fixed mass flow rate, the tube side heat transfer co-efficient for turbulent flow...

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