基于数值模拟的海上平台上的管道CO2泄漏和扩散的调查
Yang Cao1,2, Tao Liu1,2, Guangchun Song3
1CNOOC Research Institute Ltd., Beijing 100028, China.
ACS omega
|July 1, 2024
概括
碳捕获管道泄漏存在风险. 这项研究模拟了在海上平台上的二氧化碳 (CO2) 扩散,识别危险区域,指导安全操作和人员疏散.
科学领域:
- 环境科学 环境科学
- 化学工程是化学工程的重要组成部分.
- 安全工程安全工程
背景情况:
- 二氧化碳 (CO2) 的管道运输对于碳捕获,利用和储存 (CCUS) 是至关重要的.
- 二氧化碳管道泄漏对海上平台运营和人员安全构成重大风险.
- 了解二氧化碳扩散对于设计安全的海上储存设施至关重要.
研究的目的:
- 调查CO2在海上管道运输中的泄漏和扩散特性.
- 分析泄漏对温度和二氧化碳度分布在平台上的影响.
- 为海上二氧化碳储存作业提供安全指导.
主要方法:
- 开发一个目标离岸平台的物理模型.
- 构建用于模拟的多个数值模型.
- 进行二氧化碳管道泄漏和扩散场景的数值模拟.
- 泄漏后温度和二氧化碳度分布的分析.
主要成果:
- 模拟结果显示,在CO2泄漏后,平台上的温度和CO2度发生了变化.
- 该研究分析了不同泄漏方向的影响,包括水平和45°向上.
- 确定了平台上的危险区域和人员疏散路线的建议.
结论:
- 这项研究提供了对海上管道运输中的二氧化碳扩散动态的关键见解.
- 调查结果可以为海上二氧化碳储存的安全协议和应急响应计划的制定提供信息.
- 这项研究有助于海上碳储存平台的安全运行和设计.
相关概念视频
Assessment of Diffusion and Perfusion
966
Understanding and evaluating diffusion and perfusion is critical in assessing a patient's respiratory and circulatory health. These processes play key roles in maintaining the body's internal environment, ensuring that tissues receive adequate oxygen while waste products are efficiently removed.
The Role of Diffusion in Respiration
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. In the respiratory system, this...
The Role of Diffusion in Respiration
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. In the respiratory system, this...
966
Behavior of Gas Molecules: Molecular Diffusion, Mean Free Path, and Effusion
28.8K
Although gaseous molecules travel at tremendous speeds (hundreds of meters per second), they collide with other gaseous molecules and travel in many different directions before reaching the desired target. At room temperature, a gaseous molecule will experience billions of collisions per second. The mean free path is the average distance a molecule travels between collisions. The mean free path increases with decreasing pressure; in general, the mean free path for a gaseous molecule will be...
28.8K
Turbulent Flow: Problem Solving
110
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...
Temperature is a key factor in CO2 solubility. In this case, the CO2 gas and the liquid are cooled to 20°C. Lower temperatures...
110
Typical Model Studies
354
Fluid mechanics model studies often utilize scaled-down systems to predict fluid behavior in full-scale environments, such as river flows, dam spillways, and structures interacting with open surfaces. Maintaining Froude number similarity in river models is crucial, as it replicates surface flow features like wave patterns and velocities.
354


