董家口港海域涌浪传播对船舶航行的影响  

Effect of swell waves propagation on ship navigation in Dongjiakou Port sea area

作　　者：宋学斌 盛晓强 王裕平 殷成团 张金善[2] SONG Xue-bin;SHENG Xiao-qiang;WANG Yu-ping;YIN Cheng-tuan;ZHANG Jin-shan(Qingdao Pilot Station,Qingdao 266000,China;State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering,Nanjing Hydraulic Research Institute,Nanjing 210029,China)

机构地区：[1]青岛引航站,山东青岛266000 [2]南京水利科学研究院,水文水资源与水利工程科学国家重点实验室,江苏南京210029

出　　处：《水运工程》2022年第12期40-47,67,共9页Port & Waterway Engineering

基　　金：中央级公益性科研院所基本科研业务费专项(Y220012)。

摘　　要：涌浪会增加进出港船舶操纵难度和航行风险,研究港域波浪尤其是涌浪的传播对船舶操纵有重要意义。基于非结构三角网格构建波流耦合数学模型,研究董家口港海域涌浪传播特性及波生流产生的规律。结果表明:涌浪从外海传至董家口港附近有效波高衰减过半,且波高初始值越大,衰减越剧烈;ESE方向的涌浪更难衰减,这是大浪多发生在该方向的原因;涌浪波高越大波生流越大,低潮时波生流大于高潮时;船舶工作区内波生流一般在0.1 m/s以内,为潮流最大流速的5%~7%;董家口港区的涌浪主要通过波浪对船体的直接作用影响船舶运动,波生流对船舶的作用较小,一般可忽略不计。Swell waves increase the maneuvering difficulty and navigation risk for ships entering and leaving the port.It is of great significance to study the effect of propagation of wave on ship maneuvering,especially for swell waves in harbor areas.This paper constructs a wave-current coupling mathematical model based on the unstructured triangular grid,and studies the propagation characteristics of swell waves and law of wave-induced current generation in the near sea of Dongjiakou Port.The results indicate that the significant wave height declines more than half as the swell spreads from the open sea to Dongjiakou Port and larger initial wave height clarifies higher attenuation rate.The swell in the ESE direction is more difficult to attenuate which explains the reason why the large waves mostly occur in this direction.The wave-induced current under the low tide is larger than that under high tide and would be strengthen by the wave height.The wave-induced current in the ship working area is generally within 0.1 m/s,which is about 5%to 7%of the maximum tidal current.The effect of swell on the ship s motion in Dongjiakou Port area mainly comes from the direct action of the wave on the ship s hull,and the effect of the wave-induced current on the ship is small and generally negligible.

关 键 词：波流耦合 数值模拟 董家口 安全航行 

分 类 号：U661.3[交通运输工程—船舶及航道工程]