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液体单板限流孔板计算

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Selected 限流孔板.
  • 限流孔板
  • 限流孔板
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 依据:HG/T 20570.9-95
液体单板限流孔板计算
名称 单位 公式/来源 值
1 输入
2  工作状态下流体相对密度,γ / 1
3  孔板前压力,P1 Pa 112000
4  孔板后压力,P2 Pa 100000
5  管道内直径,D m 0.108
6  孔板孔径,d0 m 0.025
7  孔板流量系数,C / 0.75
8  临界流率压力比,γc / 0.5625
9 过程
10  d0/D / d0/D 0.231481481
11  通过孔板的压降,ΔP Pa ΔP=P1-P2 12000
12  P2/P1 / P2/P1 0.892857143
13 结果
14  是否有限流作用 / P2/P1≤γc 否
15  工作状态下的体积流量,Q m³/h 1 19.04037026
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