当量直径 meaning in English
equivalent diameter
Examples
- Smith (1962) considered three alternate methods to determine an equivalent diameter of graded sediment .
史密斯（1962）提出了三种不同方法以计算不均匀沙的当量直径。 - Test method for diameter and equivalent diameter of carbon fiber by microscope
碳纤维直径和当量直径检验方法 - Smith ( 1962 ) considered three alternate methods to determine an equivalent diameter of graded sediment
史密斯（ 1962 ）提出了三种不同方法以计算不均匀沙的当量直径。 - The critical concentration and critical particle surface area in constant rate section is studied . the floc density pa and the floc equivalent diameter da are calculated on the basis of experimental data and theoretic analysis
研究了等速段的临界浓度、临界颗粒表面积；分析计算了絮团密度_ 、泥沙絮团当量直径d _ 。 - The experimental model is a rectangular section of 15 . 2 187mm ~ 2 , which is composed of two aluminum plates . the angles between the internal netted rib turbulators and the flow direction are 45 ? for the one plate and 60 ? for the other , or both 45 ? for two plates . in the experiment , the re numbers changes from 0 . 4 10 ~ 4 1 . 5 10 ~ 5 , rib width - to - pitch are 0 . 25 , 0 . 3 and 0 . 5 , rib width - to - height are 0 . 25 , 0 . 3 and 0 . 5 , the rib height - to - hydraulic diameter ratio is 0 . 246
主要研究了在通道进口截面积(即无肋处的截面积) a为15 . 2 187mm ~ 2 、肋高与通道当量直径之比e / de等于0 . 246 ，实验雷诺数范围在0 . 4 10 ~ 4 1 . 5 10 ~ 5之间的情况下，雷诺数re 、肋向角a 、肋宽与肋高之比t / e和肋宽与肋间距之比t / p等参数对通道强化传热与流动阻力特性的影响。