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GAS EXPANSION-INDUCED ACCELERATION EFFECT OF A HIGHLY COMPRESSIBLE GAS FLOW IN POROUS MEDIA

Volume 18, Numéro 8, 2015, pp. 825-834
DOI: 10.1615/JPorMedia.v18.i8.70
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RÉSUMÉ

Volume-expansion-induced gas acceleration effect in a highly compressible gas flow in porous media is studied. The importance of gas acceleration is quantified in terms of a dimensionless parameter; conditions under which gas acceleration effect need to be considered in the gas pressure profile and mass flux are identified. It is shown that when the Forchheimer drag is given, the effect of gas acceleration on the gas pressure profile and mass flux depend only on the dimensionless parameter representing the ratio between the gas acceleration and the Forchheimer drag. It is also shown that the Forchheimer drag has an insignificant effect on the outlet pressure in choked flows. The result of this analysis is successfully applied to published experimental data.

CITÉ PAR
  1. Zheng Jiayi, Zhang Weibiao, Zhang Guozhu, Yu Yanshun, Wang Shengqi, Effect of porous structure on rarefied gas flow in porous medium constructed by fractal geometry, Journal of Natural Gas Science and Engineering, 34, 2016. Crossref

  2. Jiang Hailong, Dou Yihua, Xi Zhongchen, Chen Mian, Jin Yan, Microscopic choked flow for a highly compressible gas in porous media, Journal of Natural Gas Science and Engineering, 35, 2016. Crossref

  3. Mao Liangjie, Cai Mingjie, Liu Qingyou, Wang Guorong, Dynamical Simulation of High-Pressure Gas Kick in Ultra-Deepwater Riserless Drilling, Journal of Energy Resources Technology, 143, 6, 2021. Crossref

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