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	Meso-level simulation of gas hydrate dissociation in low-permeability sediments
	Jianhong Zhang ; Chao Zhao ; Zhongsheng Xiong ; Jianhong Zhang ; Chao Zhao ; Zhongsheng Xiong
	2016-03-30 ; 2016-03-30
关键词	gas hydrate dissociation particle movements pore pressure discrete element model TE31
其他题名	Meso-level simulation of gas hydrate dissociation in low-permeability sediments
中文摘要	This paper presents a meso-level simulation of gas hydrate dissociation in low-permeability marine sediments. Interstitial pores are defined to describe fluid flow and particle movement. The proposed model couples multiphase fluid flow with particle movement to simulate the thermodynamics of gas hydrate dissociation triggered by sharp temperature rises. Hydrates respond quickly to temperature rise in low-permeability sediments. Dissociation causes pore pressure to rise rapidly to equilibrium then steadily increase above equilibrium pressure.Lower permeability sediment builds up greater excess pore pressure as the dissipation of pore pressure is constrained.; This paper presents a meso-level simulation of gas hydrate dissociation in low-permeability marine sediments. Interstitial pores are defined to describe fluid flow and particle movement. The proposed model couples multiphase fluid flow with particle movement to simulate the thermodynamics of gas hydrate dissociation triggered by sharp temperature rises. Hydrates respond quickly to temperature rise in low-permeability sediments. Dissociation causes pore pressure to rise rapidly to equilibrium then steadily increase above equilibrium pressure.Lower permeability sediment builds up greater excess pore pressure as the dissipation of pore pressure is constrained.
语种	英语 ; 英语
内容类型	期刊论文
源URL	[http://ir.lib.tsinghua.edu.cn/ir/item.do?handle=123456789/144981]
专题	清华大学
推荐引用方式 GB/T 7714	Jianhong Zhang,Chao Zhao,Zhongsheng Xiong,et al. Meso-level simulation of gas hydrate dissociation in low-permeability sediments[J],2016, 2016.
APA	Jianhong Zhang,Chao Zhao,Zhongsheng Xiong,Jianhong Zhang,Chao Zhao,&Zhongsheng Xiong.(2016).Meso-level simulation of gas hydrate dissociation in low-permeability sediments..
MLA	Jianhong Zhang,et al."Meso-level simulation of gas hydrate dissociation in low-permeability sediments".(2016).

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