Efficient pumping of hot liquids through horizontal, internally insulated pipes

S.D. Probert and C.Y. Chu

Applied Energy, 1980, vol. 7, issue 4, 297 pages

Abstract: An optimal thickness exists for the internal, thermally-insulating lining of each length of pipe through which a hot liquid is pumped. Corresponding to this condition, a minimum total rate of energy loss from the pipe and pump occurs. The analysis presented in this paper enables the optimal thickness of insulant to be predicted as a function of the liquid properties and pipeline characteristics (e.g. roughness of the lining/liquid interface) for various assumptions.

Date: 1980
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