论文部分内容阅读
本文采用水深平均ｋε双方程紊流模型与流冰拟流体模型首次推出了适合于天然实际工程水域复杂条件的紊流流冰消融数学模型．模型还利用离散型动态边界拟合坐标变换系统以适应天然水域的不规则边界与复杂流态，对天然流场中常出现的露滩、断流、动态水边界及几何曲率影响等特殊数值计算问题的处理颇有实效，具有较大的实用价值．本文以丹东电厂温排水缓冰工程为例验证了数学模型．
In this paper, the mathematical model of ice melting in turbulent flow, which is suitable for the complicated conditions of natural engineering waters, was first proposed by the two-equation turbulent flow model with average water depth and the fluid ice simulating fluid model. The model also uses discrete dynamic boundary fitting coordinate transformation system to adapt to the irregular boundary and complex flow regime in natural waters and to solve the special numerical calculation problems such as the influence of exposed beach, runoff, dynamic water boundary and geometric curvature in natural flow field The treatment is quite effective, with greater practical value. In this paper, the Dandong Power Plant warm drainage ice slowing project as an example to verify the mathematical model.