对水下气油两相泄漏过程的分散特征的数值分析
Yuan Sun1, Xianqiang Zhu1, Xuewen Cao2
1Jiangsu Key Laboratory of Oil-gas Storage and Transportation Technology, ChangZhou University, Changzhou 213164, China.
Marine pollution bulletin
|November 17, 2023
概括
水下气体和石油管道的泄漏会造成水柱. 这项研究模拟了羽的行为,发现水深和流动模式显著影响迁移和分离,有助于应急响应.
科学领域:
- 环境科学 环境科学
- 海洋学 海洋学 海洋学
- 管道工程 管道工程 管道工程
背景情况:
- 海底多相管道容易因疲劳,损坏或腐蚀而泄漏.
- 了解水下油气羽流动力学对于环境保护和安全至关重要.
研究的目的:
- 开发和验证一个数值模型来分析水下气油羽毛的发展和迁移.
- 为了研究各种因素对浅海环境中的羽毛状物行为的影响.
主要方法:
- 采用了3D合欧勒尔-拉格兰数值方法.
- 该模型与实验室实验进行了验证.
- 模拟研究了不同泄漏条件和环境因素下的羽毛散射.
主要成果:
- 泄漏位置通过影响泄漏率来影响羽毛的迁移.
- 水深是一个关键因素,随着深度的增加,促进气体和油柱的分离.
- 该研究将以前被忽视的因素 - - 流动模式纳入到羽毛迁移分析中.
结论:
- 开发的模型准确地模拟了水下气油羽流动力学.
- 水的深度和流量模式是羽毛 behavior 和分离的关键决定因素.
- 这些发现可以加强对海底管道泄漏的应急响应策略.
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