... 时间常数time constant 紊流强度turbulence intensity 空气速度标准差(SD )与空气速度平均值(初的比值。紊流强度也可以用百分数表示(如T. _ ...
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The impact of reed population on the velocity distribution and turbulence intensity is studied under the discharge of 70,80 and 90L/s through 6 cross-sections and 3 longitudinal-sections, with reeds at the density of 0,54,108 and 202s/m2.
在种群密度0、54、108、202 s／m2及70、80、90L／s流量下,观测了模拟水渠6个横断面和3个纵向剖面的流速分布及水流紊流强度的变化。
参考来源 - 芦苇种群均匀格局对河道水流的影响·2,447,543篇论文数据，部分数据来源于NoteExpress
研究了高宽比和壁面粗糙度对压力损失、二次流动和紊流强度的影响。
The influences of the aspect ratio and wall roughness on the coolant flow characteristics, which mainly involve pressure loss, secondary flow and turbulence intensity, were investigated.
紊流强度的分布规律从铅垂方向到水平方向随测量角度的增大而趋于对称。
Asymmetric profile of turbulence intensity is eventurally reached when measuring direction is changed from vertical and inclined to horizontal ones.
单股和双股射流塘底脉动压强系数与近壁紊流强度的关系可用对数曲线表述。
The relationship of the fluctuating pressure coefficient on wall and the turbulent intensity near the wall can be described with logarithmic curve.
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