The bedload of Weihe River is the key problem in management of Weihe River water resources.
泥沙问题是渭河治理的症结,泥沙处理得失是渭河治理成败的关键。
In the bedload movement process, coarse sand tended to stay on the sand bar, find sand was brought away.
底沙运动过程中粗粒沙滞留在沙洲,细粒沙被搬走。
The research of stable channel shape on the condition of bedload discharge equals zero by use the extreme hypotheses.
利用极值假说研究输沙率为零时的稳定断面形状。
Especially, while exchanging between bedload and bed material, the net transport of bed load towards waters was considered.
主要在床沙与推移质交换的同时,考虑了床沙与推移质向悬移质的净交换。
The bedload transport formula that has been modified as mentioned above well agrees with the experimental data and can be applied to computation.
经上述修正的推移质公式与试验资料符合良好,可供计算应用。
Based on the analysis of non equilibrium forces acting on a non cohesive particle, the general vectorial equation of bedload transport is derived.
基于任意面上非粘性沙颗粒的受力分析,考虑了非平衡条件,推导了更具普遍性的泥沙输移矢量式。
The achievement of this paper has an important reference value in analyzing the mechanics of bedload movement in the mount river without field data.
本文的研究成果对分析没有实测资料的山区河流卵石推移质的运动规律具有重要的参考价值。
Letterpress starting with the former of the experiment for bedload. Firstly, we account for the former made and the sand selected are reasonable by experiments.
本文从白石水库泥沙模型试验入手,模型试验首先通过模型糙率和模型选沙验证试验,说明模型制作和选沙是合理的。
This model takes into account non-equilibrium transport of non-uniform bedload and introduces the mixed layer model to calculate the changes of bed material grain class.
该模型考虑了非均匀推移质不平衡输移,并引入混合层模式用于模拟河床组成的变化。
The measured data show that the bedload sediment transport rate is related more closely to the effective stream power within the bed-surface layer than to the river stream power.
实测资料表明,推移质输沙率与床面层内有效水流功率有良好的相关性,且高于推移质输沙率与水流功率的相关性。
There tends to be deviations of the height-length data points from statistical H-L curves; numerical experiments demonstrate that such deviations may be associated with the bedload transport rate.
沙丘形态参数经常偏离统计的波长-波高曲线,数值实验结果显示,这与推移质输运率有关。
There tends to be deviations of the height-length data points from statistical H-L curves; numerical experiments demonstrate that such deviations may be associated with the bedload transport rate.
沙丘形态参数经常偏离统计的波长-波高曲线,数值实验结果显示,这与推移质输运率有关。
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