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本文研究湖泊水质模型公式和分散输送之间的关系。识别两种模型的基本类型:(1)有限差分模型(连续逼近法), (2)多箱模型(离散逼近法)。分析这两个方法表明,多箱模型公式由于它是离散结构的缘故,引入有重大价值的隐含分散,由于隐含分散,因此多箱模型交换流即分散参数不可能根据原型湖泊的流体力学直接来确定一只有率定才是一个可行的方法。本文描述建立和率定多箱模型的系统过程,说明模型存在隐含分散的原因。
This paper studies the relationship between lake water quality model formula and distributed transport. Identify the basic types of the two models: (1) finite difference model (continuous approximation), (2) multi-box model (discrete approximation). The analysis of these two methods shows that because of its discrete structure, the multi-box model introduces implicit decentralization with significant value. Due to the implicit dispersion, the multi-box model exchange flow, that is, the dispersion parameter, can not be based on the hydrodynamics of prototype lakes It is a viable method to determine a rate directly. This article describes the systematic process of establishing and rateing multi-bin models, illustrating the implicit dispersion of the model.