水位流量关系的确立是一个难题,利用曼宁公式求解会产生较大误差。
To establish relationship between water level and water flow is a difficult problem, and to solve by using Manning's formula will engender fairly great error.
本文提出了落差指数直接解算的数学模型,并应用于长江中游螺山站的水位流量关系分析。
A direct calculation mathematical model to fall exponent for using computer is put forward and applied for rating curve analysis in Luoshan Station at middle reaches of the Yangtze River.
对于局部线性的水位流量关系,用系统辨识理论对其进行建模,利用最小二乘法,拟合精度明显提高。
The modeling based on the system recognition theory and using the least square method in the case of the partially linear relationship the simulation precision is greatly improved.
本文基于河道下断面的水位流量关系和连续方程的联立求解 ,导出了水位流量关系型的下边界条件。
The stage-discharge curve at the downstream boundary is combined with the continuity equation of the St.
通过对湖区主要水文控制站的水位流量关系的分析,得到了近四十年来水情变化的一些规律, 供有关部门参考。
The hydrological regime change law is proposed by the analysis of discharge-stage relations of main hydrologic stations in Dongting Lake area in this paper.
分析了传统水位流量关系曲线拟合过程中存在的问题,在此基础上应用免疫进化算法直接拟合水位流量关系曲线。
On the basis of problems existed in fit for relation curve of water level and discharge, the relation curve of water level and discharge is fitted directment by immunization evolving algorithm.
通过反复的现场放水试验研究,发现矩型薄壁堰发生贴壁堰流时的水位流量关系与正常堰流时的水位流量关系不一致,相同水位时贴壁流的过流能力大。
A lot of on-spot experiments discovered that the water level and flow rate of wall-pressing weir flow are not accord with that of the normal weir flow.
针对电厂一台实际锅炉,得出了锅炉水位动态响应的延迟时间与伐门开启时间,以及流过伐门流量之间的关系。
The relationship between delay time of the boiler response, the opening time of the valve and the flow through the valve for an actual boiler is obtained.
裂缝水流量与水位不呈正比关系。
The water-flow in fracture is not directly proportional to the waterhead.
发现实施过渡方案以来,库区累计淤积量与叠加流量加权平均坝前水位的关系,符合以往的关系曲线。
It is found that the relationships between the accumulated volumes of sediment deposition in the reservoir and the average pool levels follow the earlier trend curves very well.
洪水影响因素复杂,洪峰水位和洪峰流量之间呈一种模糊关系。
Because of the complication of influence factor of flood, the relationship between flood peak level and flood peak discharge is uncertain.
本文研究了非线性洪水运动特性,提出了广义示储流量和示储水位概念,得出了河段水位与流量转换关系。
In this paper the nonlinear features of flood waves are discussed, the concepts of generalized average discharge and water-stage are given, and a new discharge-stage formula is derived.
本文研究了非线性洪水运动特性,提出了广义示储流量和示储水位概念,得出了河段水位与流量转换关系。
In this paper the nonlinear features of flood waves are discussed, the concepts of generalized average discharge and water-stage are given, and a new discharge-stage formula is derived.
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