Compressibility Factors of Gas Mixtures Containing Hydrogen

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Compressibility Factors of Gas Mixtures Containing Hydrogen

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- Compressibility Factors of Gas Mixtures Containing Hydrogen
- CIESC Journal Issue 3, (1981)
- 作者机构：
  
  西安交通大学动力系
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 September 1981，
  
  Published：25 September 1981
- 稿件说明：
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徐忠. Compressibility Factors of Gas Mixtures Containing Hydrogen[J]. CIESC Journal, 1981, (3).
DOI：

徐忠. Compressibility Factors of Gas Mixtures Containing Hydrogen[J]. CIESC Journal, 1981, (3). DOI：

摘要

在高压低温下

含氢混合气体已极大地偏离理想气体

因而必须要求正确地确定这种混合气体的P-V-T关系。本文对混合气体假临界常数的Kay方法进行修正

用此计算对比参数

就可把LK方程延伸使用于含氢混合气体。文中分别用修正Kay方法和GCP方法所得的假临界常数和LK方程对H_2-CH_4-N_2、N_2-H_2、H_2-N_2-CO_2-CO-CH_4等系统的压缩因子进行了计算

并和文献中的实验值作了比较。结果表明

用本文修正Kay方法所得计算值与实验值有更好程度的吻合。

Abstract

The Lee-Kesler equation has been extended to gas mixtures containing hydrogen when the modified Kays rule proposed in this paper is used to determine pseudocritical constants of the mixtures. The modified Kays

rule is with A =1.15

where y find 6 are the shape factors. By using

the modified Kays rule

the Lee-Kesler equation is applied to calculate the compressibility factors of three systems

which are nitrogen-hydrogen

hydrogen-methane-nitrogen

hydrogen-nitrogen-carbon dioxide - carbon monoxide-methane

all containing hydrogen

over a wide range of pressure and temperature. Computation of the compressibility factors are carried out in the following procedure; 1. for hydrogen

0o = 1.45

(t>o = 2. calculation of and (from equations 6 and 7

3 . Calculation of QT and

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