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应用Excel进行泡点与露点计算

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Indexed by:期刊论文

Date of Publication:2012-08-31

Journal:化工高等教育

Volume:29

Issue:4

Page Number:73-76

ISSN No.:1000-6168

Key Words:化工热力学;泡点与露点;计算方法;Excel

Abstract:泡点与露点计算是化工热力学课程中气液平衡计算的重要内容,也是教学中的难点。目前,教科书中只讲了计算方法,缺少实际计算的展示。本文介绍了微软电子表格Excel在泡点与露点计算中的应用。将已知量、待求量初值与计算公式输入电子表格的各单元格中,求出各组分的气相逸度与液相逸度,根据气液平衡准则,采用Excel多变量规划求解的强大计算功能,即可计算出混合物的泡点压力、泡点温度、露点压力与露点温度。计算过程简单明了,无需编程,方便教学演示,是一种值得推广的教学与实用计算方法。

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