Asojalil24 Asojalil24

27-05-2024
Engineering

Answered

A horizontal pipe 15 cm in diameter and 4 m long is buried in the earth at a depth of 20 cm.
The pipe-wall temperature is 75°C, and the earth surface temperature is 5°C. Assuming that the
thermal conductivity of the earth is 0.8 W/m • °C, calculate the heat lost by the pipe.

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