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。
The grooves on the heated surface lowered the flow resistance and enhanced the film heat transfer coefficient 2-3 times that of flat plates.
本文根据计算结果，研究了边界层中的微气泡对平板表面摩擦阻力的影响。
The effect of microbubbles in the boundary layer on the skin friction of the plate is presented in this paper based on the computational results.
通过动力学分析，得到了对于单叶双曲面平板直刃滚筒式切碎器切割秸秆层切割阻力矩的数学模型，经过试验验证验证了其有效性。
Based on the mechanics analysis, the mathematical model of the cutting torque was established, and the validity of the model was demonstrated by the experiments.
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