Dissociation equilibrium height and friction coefficient in pipeline transportation of gas hydrate-bearing sediment particles | |
Li P(李鹏)1; Zhang XH(张旭辉)1,2; Lu XB(鲁晓兵)1,2 | |
通讯作者 | Zhang, Xuhui(zhangxuhui@imecha.ac.cn) |
发表期刊 | JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING |
2020-09-01 | |
卷号 | 81页码:17 |
ISSN | 1875-5100 |
摘要 | Compared with traditional fossil fuels, gas hydrates have vast reserves, cause little pollution, and are an essential strategic energy resource. Pipeline transportation is critical to realize the development and utilization of natural gas hydrate resources. The Eulerian multiphase flow model within the computational fluid dynamics software FLUENT was employed to calculate gas-liquid-solid flow, taking into account phase interactions, heat transfer, and collision among particles. Pipeline transportation of gas hydrate-bearing sediment (GHBS) particles was studied based on dimensional analysis and numerical simulation. First, the essential dimensionless numbers controlling multiphase flow and hydrate dissociation were deduced. Further, the obtained simulation results clearly indicate that when the system was in a stable state, there was a dissociation equilibrium height above which hydrate dissociated completely. The influences of the dimensionless numbers on the dissociation equilibrium height and friction coefficient in the pipe were determined, and power-law correlations for the dissociation equilibrium height and friction coefficient were obtained from the numerical data. Finally, an analytical expression of dissociation equilibrium height was derived by decoupling the solid-liquid flow and gas hydrate dissociation, and the validity of the power-law correlation for the dissociation equilibrium height was verified by the analytical expression. |
关键词 | Gas hydrate Dissociation equilibrium height Friction coefficient Power-law correlation Gas-liquid-solid flow Dimensional analysis |
DOI | 10.1016/j.jngse.2020.103470 |
收录类别 | SCI ; EI |
语种 | 英语 |
WOS记录号 | WOS:000571074300002 |
关键词[WOS] | SIMULATION ; FLOW ; CFD |
WOS研究方向 | Energy & Fuels ; Engineering |
WOS类目 | Energy & Fuels ; Engineering, Chemical |
资助项目 | National Natural Science Foundation of China[51639008] ; National Natural Science Foundation of China[11872365] ; Youth Innovation Promotion Association of Chinese Academy of Sciences[2017027] ; Key Special Project for Introduced Talents Team of Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou)[GML2019ZD0307] |
项目资助者 | National Natural Science Foundation of China ; Youth Innovation Promotion Association of Chinese Academy of Sciences ; Key Special Project for Introduced Talents Team of Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou) |
论文分区 | 二类 |
力学所作者排名 | 1 |
RpAuthor | Zhang, Xuhui |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://dspace.imech.ac.cn/handle/311007/85268 |
专题 | 流固耦合系统力学重点实验室 |
作者单位 | 1.Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China; 2.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China |
推荐引用方式 GB/T 7714 | Li P,Zhang XH,Lu XB. Dissociation equilibrium height and friction coefficient in pipeline transportation of gas hydrate-bearing sediment particles[J]. JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING,2020,81:17. |
APA | 李鹏,张旭辉,&鲁晓兵.(2020).Dissociation equilibrium height and friction coefficient in pipeline transportation of gas hydrate-bearing sediment particles.JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING,81,17. |
MLA | 李鹏,et al."Dissociation equilibrium height and friction coefficient in pipeline transportation of gas hydrate-bearing sediment particles".JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING 81(2020):17. |
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