Estimate the energy loss from the pipe per meter , Other Engineering

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A 50 cm diameter pipeline in the Arctic Carries hot oil at 30 ⁰C and exposed to a surrounding temperature of -20 ⁰C. Special powder insulation 5 cm thick surrounds the pipe and has a thermal conductivity of 7 mW/m. ⁰C. The Convective heat transfer coefficient on the outside of the pipe is 9 W/m². ⁰C. Estimate the energy loss from the pipe per meter of length.

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