普通氢的体积转换的 Peng-Robinson 状态方程

Zhou Bin Liu; Liang Yu Tian; Tao Yang; Jun Liu; Zhuo Chen; Jun Shen

doi:10.3969/j.issn.1005-9954.2023.02.010

普通氢的体积转换的 Peng-Robinson 状态方程

Translated title of the contribution: Volume translated Peng-Robinson equation of state for normal hydrogen

Zhou Bin Liu, Liang Yu Tian, Tao Yang, Jun Liu, Zhuo Chen, Jun Shen

School of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

Comprehensive and accurate thermophysical properties of normal hydrogen are the basis for research and in-depth application of hydrogen energy. In order to improve the prediction accuracy of the traditional cubic equation of state (EoS), the volume translation theory coupled with the Peng-Robinson EoS was applied to improve the saturated liquid phase and supercritical fluid density. The volume -translated Peng-Robinson (VTPR) equation proposed is comparable to the multiparameter Helmholtz EoS. The application range of the model is from the triple point temperature to 1 000 K, and the pressure is lower than 100 MPa. This VTPR model has a certain degree of extrapolation for the direction of high temperature and pressure - Calculation accuracy can meet the needs of practical engineering applications.

Translated title of the contribution	Volume translated Peng-Robinson equation of state for normal hydrogen
Original language	Chinese (Traditional)
Pages (from-to)	51-56
Number of pages	6
Journal	Huaxue Gongcheng/Chemical Engineering
Volume	51
Issue number	2
DOIs	https://doi.org/10.3969/j.issn.1005-9954.2023.02.010
Publication status	Published - Feb 2023

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title = "普通氢的体积转换的 Peng-Robinson 状态方程",

abstract = "Comprehensive and accurate thermophysical properties of normal hydrogen are the basis for research and in-depth application of hydrogen energy. In order to improve the prediction accuracy of the traditional cubic equation of state (EoS), the volume translation theory coupled with the Peng-Robinson EoS was applied to improve the saturated liquid phase and supercritical fluid density. The volume -translated Peng-Robinson (VTPR) equation proposed is comparable to the multiparameter Helmholtz EoS. The application range of the model is from the triple point temperature to 1 000 K, and the pressure is lower than 100 MPa. This VTPR model has a certain degree of extrapolation for the direction of high temperature and pressure - Calculation accuracy can meet the needs of practical engineering applications.",

keywords = "Peng-Robinson equation of state, normal hydrogen, thermodynamics property, volume translation",

author = "Liu, {Zhou Bin} and Tian, {Liang Yu} and Tao Yang and Jun Liu and Zhuo Chen and Jun Shen",

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T1 - 普通氢的体积转换的 Peng-Robinson 状态方程

AU - Liu, Zhou Bin

AU - Tian, Liang Yu

AU - Yang, Tao

AU - Liu, Jun

AU - Chen, Zhuo

AU - Shen, Jun

PY - 2023/2

Y1 - 2023/2

N2 - Comprehensive and accurate thermophysical properties of normal hydrogen are the basis for research and in-depth application of hydrogen energy. In order to improve the prediction accuracy of the traditional cubic equation of state (EoS), the volume translation theory coupled with the Peng-Robinson EoS was applied to improve the saturated liquid phase and supercritical fluid density. The volume -translated Peng-Robinson (VTPR) equation proposed is comparable to the multiparameter Helmholtz EoS. The application range of the model is from the triple point temperature to 1 000 K, and the pressure is lower than 100 MPa. This VTPR model has a certain degree of extrapolation for the direction of high temperature and pressure - Calculation accuracy can meet the needs of practical engineering applications.

AB - Comprehensive and accurate thermophysical properties of normal hydrogen are the basis for research and in-depth application of hydrogen energy. In order to improve the prediction accuracy of the traditional cubic equation of state (EoS), the volume translation theory coupled with the Peng-Robinson EoS was applied to improve the saturated liquid phase and supercritical fluid density. The volume -translated Peng-Robinson (VTPR) equation proposed is comparable to the multiparameter Helmholtz EoS. The application range of the model is from the triple point temperature to 1 000 K, and the pressure is lower than 100 MPa. This VTPR model has a certain degree of extrapolation for the direction of high temperature and pressure - Calculation accuracy can meet the needs of practical engineering applications.

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普通氢的体积转换的 Peng-Robinson 状态方程

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