基本解释：速度面法
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Three essential methods in flow rate measurement with area velocity method such as the equal ring method?the Tchebycheff integral method?the log\|linear method are introduced in the paper. 介绍了用速度面积法测量流量时所用的三种基本方法,即等环面法[1]、切比雪夫积分法[7]和对数线性法[1],并用理论计算的方法讨论了这三种方法所得的数据和理论值的一致性。
The air flow in unit time was obtained by "speed-area" law,based on the flow regime\'s distribution in rectangular pipe and "Log-Chebyshev" theoretical model to set spots,according to the average velocity by integral principle.根据矩形管道流体流动状态的分布,依据“对数-切比雪夫”数学模型分布测点位置,利用积分原理求取平均流速,根据“速度-面积法”获得单位时间内流过该截面的流体流量。
