A MODIFIED HARD -SPHERE THREE -PARAMETEREQUATION OF STATE (Ⅱ)FOR PREDICTING THERMODYNAMIC PROPERTIES OF PURE SUBSTANCES

李平; 许志宏

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A MODIFIED HARD -SPHERE THREE -PARAMETEREQUATION OF STATE (Ⅱ)FOR PREDICTING THERMODYNAMIC PROPERTIES OF PURE SUBSTANCES

更新时间：2025-12-16

- A MODIFIED HARD -SPHERE THREE -PARAMETEREQUATION OF STATE (Ⅱ)FOR PREDICTING THERMODYNAMIC PROPERTIES OF PURE SUBSTANCES
- CIESC Journal Issue 2, (1993)
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- Online First：25 April 1993，
  
  Published：25 April 1993
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李平, 许志宏. A MODIFIED HARD -SPHERE THREE -PARAMETEREQUATION OF STATE (Ⅱ)FOR PREDICTING THERMODYNAMIC PROPERTIES OF PURE SUBSTANCES[J]. CIESC Journal, 1993, (2).
DOI：

李平, 许志宏. A MODIFIED HARD -SPHERE THREE -PARAMETEREQUATION OF STATE (Ⅱ)FOR PREDICTING THERMODYNAMIC PROPERTIES OF PURE SUBSTANCES[J]. CIESC Journal, 1993, (2). DOI：

摘要

对本文(I)报中MCSPT方程与物质有关的参数A_1、A_2、A_3、A_4和A_5给出了以偏心因子ω和临界压缩因子Z_c为关联因子的普遍化关联式

从而将MCSPT方程推广到极性、强极性物质热力学性质的预测.通过对72种物质饱和液体密度和151种物质液体蒸发焓的计算结果表明

MCSPT不仅能精确地预测物质的饱和性质

而且也能准确地计算焓差.

Abstract

In order to extend the applicability of the MCSPT equation to other substances including ether

ester

ketone

amine

nitrile etc. The characteristic parameters of the MCSPT equation A 1

A4 and A5 are generalized with acentric factor. w and critical compressibility factor Zc. Saturated properties for 72 substances and the enthalpies of vaporization for 151 substances

including strongly polar componds

are predicted by the generalized MCSPT equation. The results show that of the generalized MCSPT equation is possessed of good adaptability and accuracy.

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