دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n pi: (marine) a system of piping in tank bottoms in which steam is carried as required to heat high pour-point liquid cargoes to pumpable viscosity level. heating medium n: a material, whether flowing or static, used to transport heat from a primary source such as combustion of fuel to another material. Heating oil and steam are examples of heating mediums. Also called heat medium.