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舟山绿色石化三维潮流特性数值研究

陆凡 沈良朵 高郁 王晋宝

陆凡,沈良朵,高郁,等. 舟山绿色石化三维潮流特性数值研究[J]. 海洋学报,2022,44(5):134–147 doi: 10.12284/hyxb2022079
引用本文: 陆凡,沈良朵,高郁,等. 舟山绿色石化三维潮流特性数值研究[J]. 海洋学报,2022,44(5):134–147 doi: 10.12284/hyxb2022079
Lu Fan,Shen Liangduo,Gao Yu, et al. Numerical study on three-dimensional tidal current characteristics of Zhoushan Green Petrochemical Company[J]. Haiyang Xuebao,2022, 44(5):134–147 doi: 10.12284/hyxb2022079
Citation: Lu Fan,Shen Liangduo,Gao Yu, et al. Numerical study on three-dimensional tidal current characteristics of Zhoushan Green Petrochemical Company[J]. Haiyang Xuebao,2022, 44(5):134–147 doi: 10.12284/hyxb2022079

舟山绿色石化三维潮流特性数值研究

doi: 10.12284/hyxb2022079
基金项目: 省属高校基本科研业务项目(2021JZ008);国家自然科学基金(51709235);舟山市科技局一般项目(2019C21026)。
详细信息
    作者简介:

    陆凡(1997-),男,江苏省扬州市人,主要从事近岸水动力研究。E-mail:Lufanaaa0904@163.com

    通讯作者:

    沈良朵,男,硕导,博士,主要研究近岸水动力和物质输移扩散。E-mail:slduo@163.com

  • 中图分类号: P731.2

Numerical study on three-dimensional tidal current characteristics of Zhoushan Green Petrochemical Company

  • 摘要: 本文基于MIKE3平台建立宁波、舟山及其附近海域三维水动力模型,通过与实测数据进行潮流验证的基础上,对比了三维模型与二维模型的区别,并主要对舟山绿色石化三期围垦工程实施前后周边潮流场的变化影响进行了预测分析。结果表明:(1)同样的初始条件下,二维模型和三维模型的潮位和潮流验证结果都是良好的,而在某些情况下二维数值结果更接近于实测值;(2)三维垂向上的流速分布呈现出随水深增加而减小的趋势,总体上潮流拟合效果较好,其中0.6H水深以下的流速相对误差结果在10%~15%之间,考虑模型可能受未考虑风场和波浪影响的缘故,局部测站表层计算流速较实测值稍大;而垂向上的流向分布近乎一致;(3)围垦工程前后并未对工程周边潮流场有明显影响,仅在大鱼山岛东北侧、东南侧和西北角受“截弯取直”和小岛屿间水道围堵的影响,有局部潮流形态的改变。整体上看,以顺应岸线方向上的围垦工程布置方案会对局部近岸潮流产生影响,对外海大范围潮流场的影响几乎不计。
  • 图  1  模型区域和水深

    Fig.  1  Computational domain and water depth

    图  2  验证点位置

    Fig.  2  Verification point location

    图  3  潮位验证

    Fig.  3  Tide level verification

    图  4  表层流速流向验证

    Fig.  4  Verification of flow velocity and direction in the surface layer

    图  5  中间层流速流向验证

    Fig.  5  Verification of flow velocity and direction in the middle layer

    图  6  底层流速流向验证

    Fig.  6  Verification of flow velocity and direction in the bottom layer

    图  7  潮位对比

    Fig.  7  Tide level comparison

    图  8  中间层流速流向对比验证

    Fig.  8  Comparative verification of velocity and direction in the middle layer

    图  9  表层潮流场对比(上:涨急 下:落急)

    Fig.  9  The comparison of tidal current field on the surface layer (up: rising; down: falling)

    图  10  测站垂向流速流向分布

    Fig.  10  Flow velocity and direction in vertical direction

    表  1  模型效率系数

    Tab.  1  The index of agreement

    流速/(cm·s−1流向/(°)
    大潮中潮小潮大潮中潮小潮
    N14测站表层0.870.850.850.900.990.90
    N14测站中间层0.950.960.830.880.970.86
    N14测站底层0.930.950.700.950.930.85
    下载: 导出CSV
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出版历程
  • 收稿日期:  2021-08-15
  • 修回日期:  2021-12-17
  • 网络出版日期:  2022-06-15
  • 刊出日期:  2022-06-15

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