| Axial symmetrical thermal conduction and phase transformations in THF hydrate-bearing sediments | |
Zhang XH(张旭辉) ; Lu XB(鲁晓兵); Shi YH(石要红); Xia Z(夏真)
| |
| Source Publication | Proceedings of the Tenth ISOPE Ocean Mining (& Gas Hydrates) Symposium |
| 2013 | |
| Pages | 63-68 |
| Conference Name | 10th (2013) ISOPE Ocean Mining (& Gas Hydrates) Symposium |
| Conference Date | SEP 22-26, 2013 |
| Conference Place | Szczecin, POLAND |
| Abstract | Thermal conduction and phase transformation are physical-chemical processes during the dissociation of gas hydrate-bearing sediments. Heat transfer leads to the expansion of hydrate dissociation front and the weakening of soils accompanied by the seepage of fluids and the deformation of sediments. As a consequence, ground failure may occur which can damage engineering structures and lead to environmental disasters. Hydrate dissociation in sediments is investigated using tetrahydrofuran (THF) hydrate sediments under various thermal strengths, and the time-dependent development of a hydratedissociation front is elucidated. An axial-symmetrical theoretical model and a numerical method are proposed based on experimental observations and analysis of the physical processes. Numerical and experimental results for evolution of the hydrate-dissociation front are in good agreement. |
| Keyword | Hydrate Dissociation Phase Transformation Front Thermal Conduction Axial Symmetry |
| Department | LMFS海洋土力学(LHO) |
| ISBN | 978-1-880653-92-0 |
| URL | 查看原文 |
| Indexed By | EI |
| Language | 英语 |
| Document Type | 会议论文 |
| Identifier | http://dspace.imech.ac.cn/handle/311007/48313 |
| Collection | 流固耦合系统力学重点实验室 |
| Corresponding Author | Zhang XH(张旭辉) |
| Recommended Citation GB/T 7714 | Zhang XH,Lu XB,Shi YH,et al. Axial symmetrical thermal conduction and phase transformations in THF hydrate-bearing sediments[C]Proceedings of the Tenth ISOPE Ocean Mining (& Gas Hydrates) Symposium,2013:63-68. |
| Files in This Item: | Download All | |||||
| File Name/Size | DocType | Version | Access | License | ||
| IMCAS-Conf2013-018.p（641KB） | 开放获取 | -- | View Download | |||
Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.
Edit Comment