Effects of temperature cycling on the phase transition of water in gas-saturated sediments

被引：19

作者：

Chuvilin, EM ^{[1
]}

Ebinuma, T ^{[1
]}

Kamata, Y ^{[1
]}

Uchida, T ^{[1
]}

Takeya, S ^{[1
]}

Nagao, J ^{[1
]}

Narita, H ^{[1
]}

机构：

[1] Natl Inst Adv Ind Sci & Technol, Toyohira Ku, Sapporo, Hokkaido 0628517, Japan

来源：

CANADIAN JOURNAL OF PHYSICS | 2003年 / 81卷 / 1-2期

关键词：

Gas saturated sediments - Sandy sediments - Temperature cycling;

D O I：

10.1139/P03-028

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Experimental results on hydrate- and ice-formation conditions in the pores of sandy sediments that have undergone temperature cycles are presented. Thermodynamic parameters of gas hydrate and ice formation in porous space were determined for CH4 and CO2 saturated sandy sediments. The experiments indicate that temperature and freezing cycles affect the thermodynamics of hydrate and water-ice in gas-saturated sediments. Temperature cycles increased the hydrate accumulation in the pore space of sediments and reduce the freezing temperature of the remaining pore water.

引用

页码：343 / 350

页数：8

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