Cryogenics, Volume (111), No (1111), Year (2020-10) , Pages (103169-103169)

Title : ( Effects of natural gas compositions on its Joule–Thomson coefficients and Joule–Thomson inversion curves )

Authors: Mahmood Farzaneh-Gord , Hamid Reza Rahbari , alal Zangeneh ,

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Abstract

The main goal of this study is to investigate the effect of natural gas composition on the Joule–Thomson coefficient and Joule-Thomson inversion curve. The Joule-Thomson inverse curve is the geometrical location of points where the Joule-Thomson coefficient is zero. The curve is an important parameter for the liquefaction capability of natural gas. The GERG-2008 equation of state is utilized to calculate the Joule-Thomson coefficient as well as the JT inversion curve. To validate the numerical values, the results are compared with measured values and the validation results show the GERG-2008 calculated Joule-Thomson inversion curve with high accuracy. The results show, that natural gases with larger molecular weights have higher pressures at the same temperature. Also, Based on GERG-2008 data, a novel correlation is presented for the calculation of the Joule-Thomson inversion curve. The correlation has an average absolute percent deviation of less than 2.5% in determining the natural gas Joule-Thomson inversion curve. It should be pointed out that for developing the correlation a huge database of 33000 natural gas mixture is employed.

Keywords

, Natural Gas Natural gas inversion curve Joule, Thomson coefficient Natural gas compositions GERG, 2008 equation of state
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@article{paperid:1080937,
author = {Farzaneh-Gord, Mahmood and Hamid Reza Rahbari and Alal Zangeneh},
title = {Effects of natural gas compositions on its Joule–Thomson coefficients and Joule–Thomson inversion curves},
journal = {Cryogenics},
year = {2020},
volume = {111},
number = {1111},
month = {October},
issn = {0011-2275},
pages = {103169--103169},
numpages = {0},
keywords = {Natural Gas Natural gas inversion curve Joule-Thomson coefficient Natural gas compositions GERG-2008 equation of state},
}

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%0 Journal Article
%T Effects of natural gas compositions on its Joule–Thomson coefficients and Joule–Thomson inversion curves
%A Farzaneh-Gord, Mahmood
%A Hamid Reza Rahbari
%A Alal Zangeneh
%J Cryogenics
%@ 0011-2275
%D 2020

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