...Chezy formulas)计算流量: QAR2/3J0.5/n (1) 3式中,Q—管道流量(rate of flow),m /s A—有效过流面积(effective area) 2 ,m R—管道水力半径(hydraulic radius)m J—管道坡度,无量纲 n—管道表面粗糙度(roughness) ,对塑料管道,n0.009,对钢...
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随着无复流面积的扩大,这种变化有进一步恶化的趋势。
This change may be further deteriorated with size enlargement of no-reflow area.
浮阀稳定器具有强度高,过流面积大耐高温高压等优点。
The tool owns features such as high strength, large flowing area, high temperature resistant and high pressure resistant, etc.
提出了稳定流量精度的计算公式以及变节流口过流面积的计算公式;
The formulas for calculating the precision of priority flow and the area passed by divided flow are given.
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