Thermo Problem?

A steel pipe with the outside diameter of 0.15m carries steam at a temperature of 259 C is covered with two layers of 0.05 m thick, The thermal conductivities of the inner and outter layers are 0.082 and 0.054w/mK. The outer surface temp is 27C and there is no temp drop acorss the pipe FIND : Heat loss per hour... show more A steel pipe with the outside diameter of 0.15m carries steam at a temperature of 259 C is covered with two layers of 0.05 m thick, The thermal conductivities of the inner and outter layers are 0.082 and 0.054w/mK. The outer surface temp is 27C and there is no temp drop acorss the pipe


FIND : Heat loss per hour for a 40m pipe & find the interface temperaure
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