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相关概念视频

Phase Diagrams02:39

Phase Diagrams

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A phase diagram combines plots of pressure versus temperature for the liquid-gas, solid-liquid, and solid-gas phase-transition equilibria of a substance. These diagrams indicate the physical states that exist under specific conditions of pressure and temperature and also provide the pressure dependence of the phase-transition temperatures (melting points, sublimation points, boiling points). Regions or areas labeled solid, liquid, and gas represent single phases, while lines or curves represent...
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Turbulent Flow: Problem Solving01:09

Turbulent Flow: Problem Solving

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Carbonation is a process used to dissolve carbon dioxide gas in a liquid, commonly used in the production of carbonated beverages. Achieving efficient carbonation requires careful control of temperature, pressure, and flow conditions. By adjusting these parameters, carbonation efficiency can be maximized, producing a higher concentration of CO2 in the liquid.
Temperature is a key factor in CO2 solubility. In this case, the CO2 gas and the liquid are cooled to 20°C. Lower temperatures...
109

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相关实验视频

Updated: Jun 21, 2025

Reservoir Condition Pore-scale Imaging of Multiple Fluid Phases Using X-ray Microtomography
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一个孔尺度相场模型,用于CO2 - 流体 - 玄武岩相互作用.

Wenchao Dou1, Changxi Geng2, Mian Lin1,3

  • 1Key Laboratory for Mechanics in Fluid Solid Coupling Systems, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China.

ACS omega
|July 8, 2024
PubMed
概括

玄武岩是一种岩.

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Dynamic Pore-scale Reservoir-condition Imaging of Reaction in Carbonates Using Synchrotron Fast Tomography
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Dynamic Pore-scale Reservoir-condition Imaging of Reaction in Carbonates Using Synchrotron Fast Tomography

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Microfluidic Devices for Characterizing Pore-scale Event Processes in Porous Media for Oil Recovery Applications
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Microfluidic Devices for Characterizing Pore-scale Event Processes in Porous Media for Oil Recovery Applications

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Reservoir Condition Pore-scale Imaging of Multiple Fluid Phases Using X-ray Microtomography
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科学领域:

  • 地质化学 地质化学
  • 地质地质地质地质地质地
  • 材料科学 材料科学 材料科学

背景情况:

  • 玄武岩形成对地质二氧化碳 (CO2) 储存有希望.
  • 了解二氧化碳-流体-玄武岩相互作用对于安全的二氧化碳封存至关重要.
  • 毛孔结构的演变会影响存储能力和完整性.

研究的目的:

  • 在孔隙尺度上建模CO2 - 流体 - 玄武岩相互作用.
  • 研究这些相互作用对玄武岩孔隙结构的影响.
  • 评估温度和压力对选择地点的反应速度的影响.

主要方法:

  • 开发了一个孔尺度相场模型.
  • 该模型使用真实3D岩石图像模拟了CO2 - 流体 - 岩反应.
  • 模拟分析了120天内的矿物溶解,降水和孔隙性变化.

主要成果:

  • 二次矿物沉 (3.75%) 超过了矿物溶解 (2.01%).
  • 孔隙性减少了1.74%,显著降低了孔隙连接性.
  • 较高的温度和压力加快了反应速度,温度的影响更大.

结论:

  • 在玄武岩中二氧化碳的封存导致孔隙性降低和孔隙结构改变.
  • 高地热梯度有利于加速CO2-基岩反应.
  • 该模型为优化二氧化碳地质储存地点选择提供了洞察力.