多相混输管道温降的计算
A Study on the Temperature Drop Calculation for Multiphase Flow Pipeline
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摘要: 根据气液混输过程中能量的传递规律, 推导出了用于混输管道温降的计算公式, 该公式考虑了焦耳汤姆逊效应和液体摩擦生热引起的温升, 并进行了讨论。以一条油气混输管道为例, 对三种计算方法的结果进行了比较。Abstract: According to the energy transfer laws, this paper deduces the relationship used to calculate the temperature drop of liquid/gas multiphase flow in pipeline. The relation considers the Joules-Thomson effect and the temperature change caused by friction between liquid and pipe. The calculated results of different methods are compared.