弯曲河段通过大型船舶能力预报研究

干线航道的船舶通过能力大小,取决于弯曲、浅滩、桥区等限制性河段的船舶通过能力,为了使有限的航道资源得到充分的利用,开展有关限制性航段船舶通过能力研究,尤其是弯曲河段船舶通过能力,实现船舶通过能力的准确预报是十分必要的.根据弯曲河段航道特点和水流特征,通过分析弯曲河段风、流对船舶运动的作用机理,采用数学建模的方法,建立弯曲河段航道宽度、曲率半径等航道尺度与通航船舶尺度的关系模型,实现弯曲河段通过能力的准确预报.

Predictable Research on the Capacity of Large Vessel Getting Across Curving River

Skeleton line channel passing capacity depends on such passing capacity of restrictive river channel such as curving channel,shoal,and bridge area.In order to get full use of the limited channel resource,it is necessary to research the capacity of getting across the limited river channel,especially the capacity of the curving channel,and accurately forecast the capacity of getting across curving river channel.According to channel characteristics and current characteristics of curving river channel,through analyzing the general principles that wind and current of curving channel act on ships movement,using the methods of mathematical modeling and building the relationship model between channel width and radius of curvature of curving river channel and ship’s scale,the passing capacity of the curving river channel will be accurately predicted.