In addition, the influences of the parameters such as diameter, velocity and concentration of petroleum coke on the average coefficient of flow resistance were discussed.
此外，讨论了管内流速、管径大小和浓度对平均阻力系数的影响。
The calculation formulas of the resistance coefficient in open channel flows were summarized according to different flow patterns and flow regions.
按不同流态及流区对明渠水流阻力系数的计算公式进行了归纳和总结。
The grooves on the heated surface lowered the flow resistance and enhanced the film heat transfer coefficient 2-3 times that of flat plates.
相同雷诺数的槽板平均表面换热系数是平板的2～3倍，同时减小了流动阻力。
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