Two parallel pipelines spaced 0.5 m apart are buried
Chapter 4, Problem 4.14(choose chapter or problem)
Two parallel pipelines spaced 0.5 m apart are buried insoil having a thermal conductivity of 0.5 W/mK. Thepipes have outer diameters of 100 and 75 mm withsurface temperatures of 175C and 5C, respectively.Estimate the heat transfer rate per unit length between the two pipelines.
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