Experimental Study on Characteristics of CO2 Hydrate Formation in Nanofluids

Liu Ni; Zhang Yanan; Liu Xiuting; You Longtao

doi:10.3969/j.issn.0253-4339.2015.02.041

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Experimental Study on Characteristics of CO2 Hydrate Formation in Nanofluids

更新时间：2025-09-03

- Experimental Study on Characteristics of CO2 Hydrate Formation in Nanofluids
- Journal of Refrigeration Vol. 36, Issue 2, Pages: 41-45+58(2015)
- 作者机构：
  
  上海理工大学能源与动力工程学院
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0253-4339.2015.02.041
  CLC：
- Published：2015
- 稿件说明：
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Liu Ni, Zhang Yanan, Liu Xiuting, et al. Experimental Study on Characteristics of CO2 Hydrate Formation in Nanofluids[J]. Journal of Refrigeration, 2015, 36(2): 41-45+58.
DOI：

Liu Ni, Zhang Yanan, Liu Xiuting, et al. Experimental Study on Characteristics of CO2 Hydrate Formation in Nanofluids[J]. Journal of Refrigeration, 2015, 36(2): 41-45+58. DOI： 10.3969/j.issn.0253-4339.2015.02.041.

摘要

在自行设计的小型气体水合物反应装置上进行了纳米流体中CO2水合物生成特性的实验研究，探讨了纳米粒子的种类、粒径和质量分数对CO2水合物生成特性的影响。研究发现，与纯水相比，纳米粒子CuO和SiO2增加了CO2耗气量，但延长了气体水合物生成的诱导时间。金属纳米粒子Cu和金属氧化物纳米粒子Al2O3对CO2水合物生成的诱导时间和耗气量有明显改善。对不同粒径的Al2O3纳米粒子对气体水合物生成特性的研究发现，30 nm的Al2O3纳米流体对水合物生成特性影响最大。与纯水相比，0.1 %-30 nm- Al2O3纳米流体中水合物生成的诱导时间缩短了76.9 %，耗气量增加了23.2 %。CO2水合物耗气量随着Cu粒子质量分数的增加先增加后减少。最后进行了纳米粒子对CO2水合物生成特性的影响的理论分析。

Abstract

The characteristics of CO2 hydrate formation in nanofluids were investigated experimentally in a small scale reaction system. The effects of type

particle size and mass fraction of nanoparticles on CO2 hydrate formation characteristics were stuided . Compared with pure water

CuO and SiO2 nanoparticles increase gas consumption

but extend induction time of gas hydrate formation. Results show that metal nanoparticle Cu and metal oxide nanoparticle Al2O3 both have a significant impact on the induction time and gas consumption of CO2 hydrate formation. Al2O3 shows a remarkable effcet on characteristics of gas hydrate formation with a particle size of 30 nm. Compared with pure water

the induction time during hydrate formation in 0.1 %-30 nm- Al2O3 nanofluid is reduced by 76.9 %

and gas consumption is increased by 23.2 %. With the increase of Cu nanoparticle mass fraction

CO2 gas consumption is first increased and then decreased. The mechanism of the effect of nanoparticles on characteristics of CO2 hydrate formation was discussed.

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Related Institution

School of Energy Power and Mechanical Engineering, North China Electric Power University

华北电力大学能源动力与机械工程学院

上海理工大学制冷技术研究所

Department of Mechanical and Electrical Engineering, Shunde Polytechnic

Institute of Refrigeration Technology, University of Shanghai for Science and Technology

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