Modeling of Thermodynamic Properties and Transport Properties of HFC236ea and its lgp-h Diagram

Zhang Jili; Zhang Shuyan; Ma Zhixian

doi:10.3969/j.issn.0253-4339.2007.04.006

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Modeling of Thermodynamic Properties and Transport Properties of HFC236ea and its lgp-h Diagram

更新时间：2025-09-03

- Modeling of Thermodynamic Properties and Transport Properties of HFC236ea and its lgp-h Diagram
- Journal of Refrigeration Vol. 28, Issue 4, Pages: 37-42(2007)
- 作者机构：
  
  [1]哈尔滨工业大学市政环境工程学院,哈尔滨150090 [2]燕山大学,秦皇岛,066004
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0253-4339.2007.04.006
  CLC：
- Published：2007
- 稿件说明：
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Zhang Jili, Zhang Shuyan, Ma Zhixian. Modeling of Thermodynamic Properties and Transport Properties of HFC236ea and its lgp-h Diagram[J]. Journal of Refrigeration, 2007, 28(4): 37-42.
DOI：

Zhang Jili, Zhang Shuyan, Ma Zhixian. Modeling of Thermodynamic Properties and Transport Properties of HFC236ea and its lgp-h Diagram[J]. Journal of Refrigeration, 2007, 28(4): 37-42. DOI： 10.3969/j.issn.0253-4339.2007.04.006.

摘要

高温工质热物性及其完整数学描述是推广应用该类工质的基础，HFC236ea是一种被看好的远期替代CFC11和HCFC123的理想候选工质，也是CFC114较合适的替代品。以试验数据为基础，采用Soave—Redlich—Kwong方程，辩识了HFC236ea的状态方程；基于基团原理，建立了HFC236ea的气体定压比热容模型；由Oausius—Clapegron方程得到了HFC236ea的汽化潜热模型；利用多项式模型，拟合了HFC236ea的粘度、导热系数等迁移性质模型；最后，根据计算结果，绘制了lgp—h图。结果表明，上述模型和图表的精度能够满足HFC236ea在设备研发和制造中的应用要求。

Abstract

Based on the experimental results

thermodynamic properties models and transport properties models of HFC236ea were established. The state equation of HFC236ea was regressed on the basis of Soave-Redlich - Kwong model. The evaporation latent heat model of HFC236ea was achieved by Clausius-Clapegron equation. Coefficient of viscosity

coefficient of heat transfer and other transport properties equations of HFC236ea were built by various polynomial models. In addition

the lgp - h diagram of HFC236ea was drawn out according to the thermodynamic properties models. The error analysis shows that the present models can meet the calculation precision requirement.

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