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设备进出管口压力损失:当量长度法

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Selected 设备管口, 压力损失.
  • 设备管口
  • 压力损失
  • 设备管口
  • 压力损失
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 依据:HG/T 20570.9-95
设备进、出管口压力损失
名称 单位 公式/来源 值
1 输入
2  流体在设备进口管流速,ui m/s 12
3  进口管摩擦系数,λi / 0.03
4  进口管当量管道长度,Lei m 2.8
5  进口管内径,Di m 0.056
6  流体在设备出口管流速,uo m/s 10
7  出口管摩擦系数,λo / 0.03
8  出口管当量管道长度,Leo m 3.2
9  出口管内径,Do m 0.08
10 过程
11  重力加速度,g m/s² g=9.81 9.81
12 结果
13  设备进口管压头损失,hfi m 1 11.00917431
14  设备出口管压头损失,hfo m 1 6.116207951
15  设备进、出管口压头损失,hf m hf=hfi+hfo 17.12538226
 

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