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| 水下溢油数值模拟研究 | |
| 引用本文： | 陈海波,安伟,杨勇,尤云祥,雷方辉,赵宇鹏,李建伟.水下溢油数值模拟研究[J].海洋工程,2015,33(2):66-76. |
| 作者姓名： | 陈海波 安伟 杨勇 尤云祥 雷方辉 赵宇鹏 李建伟 |
| 作者单位： | 1. 上海交通大学海洋工程国家重点实验室,上海200240;中海石油环保服务(天津)有限公司,天津300452 2. 中海石油环保服务(天津)有限公司,天津,300452 3. 上海交通大学海洋工程国家重点实验室,上海,200240 4. 中海油研究总院,北京,100027 |
| 基金项目： | 中国海洋石油总公司十二五科技资助项目(CNOOC-KJ125ZDXM0000000NFCY2011-03) |
| 摘 要： | 基于Lagrange积分法和Lagrange粒子追踪法建立了一个水下溢油数值模型。该溢油模型由两个子模型组成:羽流动力模型和对流扩散模型,其中羽流动力模型用以模拟溢油的喷发阶段和浮力羽流阶段;对流扩散模型用以模拟溢油的对流扩散阶段。通过数值实验,结合实验室水槽实验和水下溢油现场实验的观测资料进行模型验证。实验结果表明,模拟结果与观测资料一致性较好,从而验证了本文溢油模型的合理性和准确性;羽流动力模型为对流扩散模型提供源,海流、海水的垂向密度结构和油滴的直径分布是影响溢油在对流扩散阶段运动和分布的主要因素。 |
| 关 键 词： | 水下溢油 数值模拟 三阶段框架 模型验证 |
Numerical simulation of underwater oil spill |
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| CHEN Haibo,AN Wei,YANG Yong,YOU Yunxiang,LEI Fanghui,ZHAO Yupeng and LI Jianwei.Numerical simulation of underwater oil spill[J].Ocean Engineering,2015,33(2):66-76. | |
| Authors: | CHEN Haibo AN Wei YANG Yong YOU Yunxiang LEI Fanghui ZHAO Yupeng and LI Jianwei |
| Institution: | CHEN Haibo;AN Wei;YANG Yong;YOU Yunxiang;LEI Fanghui;ZHAO Yupeng;LI Jianwei;State Key Laboratory of Ocean Engineering,Shanghai Jiao Tong University;China Offshore Environmental Service Co. ,Ltd.;China National Offshore Oil Corporation General Research Institute; |
| Abstract: | Based on a Lagrangian integral technique and a Lagrangian particle tracking technique, a numerical model is developed to simulate the underwater oil spill. This model consists of two submodels: the plume dynamics model is used to simulate the turbulent jet stage and the buoyant plume stage while the advection diffusion model is used to simulate the advection diffusion stage. The model is verified by the numerical experiments in combination with the observations from laboratory flume experiments and field experiment. The experimental results indicate that: the model results are in good agreement with the experimental observations, verifying the rationality and accuracy of the oil spill model in this paper; the plume dynamics model provides a source for the advection diffusion model while the current, vertical profile of the sea density and oil droplet size distribution dominate the movement and the underwater distribution of the spilled oil. |
| Keywords: | underwater oil spill numerical simulation 3-stage framework model verification |
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