河道糙率 meaning in English
channel roughness
Examples
- In order to solve the problem of choice parameter on model , model parameter inverse analysis are discussed in this paper , they include one dimension river flow roughness parameter , tow dimension flow roughness parameter and side flow of one dimension river flow
针对模型运行中遇到的参数确定问题，本文讨论了模型参数反分析，包括一维河道糙率反分析，二维糙率反分析，一维河道旁侧入流反分析等。 - One dimension river flow roughness parameter inverse analysis kalman filter is introduced into the model to solve stochastic error in observed data . applying kalman filter automatism revising system , dynamic roughness course is obtained . using dynamic roughness course the model result precision is improved , it is more consistent with observed data
对于一维河道糙率参数反分析，针对观测资料存在的随机误差，引进卡尔曼滤波器的自动校正系统，求解出河道糙率变化的动态过程，使用动态糙率计算，明显改善模型的模拟精度，使模拟过程和观测过程很好吻合。 - Based on tiansha river water diversion flow strengthen project in jiangmen , the hydraulics and water quality characteristics in tidal rive networks have been simulated numerically . zero - dimensional and one - dimensional hydraulic models have been applied . this paper presents the concept of roughness optimization
采用零维及一维水力模型，结合江门市天沙河引水增流工程项目，对感潮河网的水力水质特性进行了数值模拟，提出河道糙率优化概念，为感潮河网的纳潮冲污，改善水环境提供了理论依据。