Question: Phenolic fluid at 30 flows in a cooler pipe with diameter and length at 5 cm and 100 cm, respectively. The temperature of pipe

Phenolic fluid at 30 ℃ flows in a cooler pipe with diameter and length at 5 cm and 100 cm, respectively. The temperature of pipe wall is assumed at 300℃. Calculate the heat recovery rate of the fluid.

Assume that the Nusselt equation for this system is : Nu = 0.023Re0.8Pr0.4 Fluid velocity:100m/s.

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