| 多孔介质及盐度对甲烷水合物相平衡影响 |
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| 引用本文： | 杨明军,宋永臣,刘瑜.多孔介质及盐度对甲烷水合物相平衡影响[J].大连理工大学学报,2011,51(1):31-35. |
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| 作者姓名： | 杨明军 宋永臣 刘瑜 |
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| 作者单位： | 大连理工大学海洋能源利用与节能教育部重点实验室; |
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| 基金项目： | 国家自然科学基金资助项目(重点项目50736001;91010015); “八六三”国家高技术研究发展计划资助项目(2006AA09A209-5) |
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| 摘 要： | 为模拟自然界天然气水合物的合成与分解条件,开发了研究多孔介质中甲烷水合物相平衡特性的实验装置,利用恒定容积法测定了孔隙尺寸、盐度等对甲烷水合物相平衡条件的影响.结果显示多孔介质中甲烷水合物容易生成,诱导时间短.随着孔隙尺寸的增加,甲烷水合物相平衡曲线右移;随着盐度的增加,甲烷水合物相平衡曲线左移;盐度水平和孔隙尺寸水平...
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| 关 键 词： | 甲烷水合物 相平衡 孔隙尺寸 盐度 |
Effects of porous media and salinity on phase equilibrium of methane hydrates |
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| YANG Mingjun,SONG Yongchen,LIU Yu.Effects of porous media and salinity on phase equilibrium of methane hydrates[J].Journal of Dalian University of Technology,2011,51(1):31-35. |
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| Authors: | YANG Mingjun SONG Yongchen LIU Yu |
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| Institution: | YANG Ming-jun,SONG Yong-chen,LIU Yu(Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education,Dalian University of Technology,Dalian 116024,China) |
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| Abstract: | In order to investigate the conditions of formation and dissociation of natural gas hydrates,a set of experimental device was developed to measure the effect of pore size,salinity on the phase equilibrium condition of methane hydrates using constant volume method.The experimental results indicate that formation of methane hydrate in porous media is easier than that in pure-water,and the induction time decreases.Equilibrium curves move to the right as pore size increases,while the increase of salinity makes ... |
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| Keywords: | methane hydrates phase equilibrium pore size salinity |
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