Based on sediment transport experiments, the interaction between flow and sediment movement is analysed and the problems of grain resistance and bed load transport on plane movable bed are discussed.
本文在输沙实验的基础上，从研究水流结构着手，分析了水流和泥沙之间的相互作用关系，讨论了动床沙粒阻力和底沙输移规律。
Therefore, some sediment transport theories derived from these energy balance equations of sediment-laden flow, such as sediment transport intensity, resistance in movable bed, etc.
从而从这些有缺陷的能量平衡方程所得到的一些泥沙运动理论，如输沙强度、动床阻力等，就难免在理论上存在一定的不足。
The results of laboratory show:effect of uniform-distributed powder in the packed bed on the resistance to fluid flow is superior to that of concentrated powder.
实验结果分析表明：在散料体填充床中粉体均匀分布对气流阻力的影响要优于集中分布。
The formulas of velocity distribution, flow resistance and bed load transport rate are obtained, in which the flow and sediment movement are considered simultaneously.
本文还导得动平床情况下的流速分布公式、阻力公式和输沙率公式，使动床的水流运动和输沙过程得以联解。
When the Einstein logarithmic resistance formula is used to calculate the resistance of sidewall and bed flow respectively, the closure problem of equation group can be solved.
将分别对应于边壁和床面的爱因斯坦阻力公式应用阻力计算中，可以解决方程组不闭合的问题。
In cold test of boiler, resistance performance experiments of empty bed and different thickness were conducted, and the boiler's critical fluidized flow was determined.
在锅炉冷态试验中，进行了锅炉空床和不同料层厚度下的床层阻力特性试验，确定了锅炉的临界流化风量。
In cold test of boiler, resistance performance experiments of empty bed and different thickness were conducted, and the boiler's critical fluidized flow was determined.
在锅炉冷态试验中，进行了锅炉空床和不同料层厚度下的床层阻力特性试验，确定了锅炉的临界流化风量。
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