Evaluation of coal damage and cracking characteristics due to liquid nitrogen cooling on the basis of the energy evolution laws
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- 作者：Chengzheng Caia ; caichmily@163.com" class="auth_mail" title="E-mail the corresponding author ; caicz@cumt.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Feng Gaoa ; Gensheng Lib ; Zhongwei Huangb ; Peng Houa
- 关键词：Coalbed methane ; Fracturing ; Liquid nitrogen cooling ; Damage ; Cracking
- 刊名：Journal of Natural Gas Science and Engineering
- 出版年：2016
- 出版时间：February 2016
- 年：2016
- 卷：29
- 期：Complete
- 页码：30-36
- 全文大小：1858 K
文摘
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Change in energy evolution laws of coal due to liquid nitrogen cooling was evaluated by uniaxial compression tests.
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The effect of liquid nitrogen cooling on coal damage and cracking characteristics was analyzed using energy evolution laws.
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The cryogenic cracking mechanism of liquid nitrogen on coal was discussed.