Question

hot fluid at 230°C flows through a 1-meter pipe of 0.02m outside radius and 0.015m inside radius. The thermal conductivity of the pipe is 0.5 W/m.k, and the heat transfer coefficient (hi) inside is 300 W/m2 K. The pipe is located in a room at 30°C, and the heat transfer coefficient (ho) at the outer surface is 10 W/m2 k. Calculate the temperature drop (∆T) across the pipe wall.

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