《工业设备及管道绝热工程设计规范》中几个公式的探讨

Discussion of a few formulas in a design code for insulation engineering

经验算和推导 ,指出该规范中几个主要公式存在着推导错误、单位错误或因温差选取不正确导致的应用上误差过大的问题 ,分析得出了公式的正确表达形式 ,作了相应的简要讨论。

Points out mistakes of the formulas checked and found in derivation, unit usage and over large error caused by an improper selection of the temperature difference form, presents their correct forms and makes necessary analyses.