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气液两相流 - 管道突然缩小 - 局部压力降计算

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Selected 两相流, 压降.
  • 两相流
  • 压降
  • 两相流
  • 压降
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 依据:SH/T 3035-2018
气液两相流局部压降计算
名称 单位 公式/来源 值
1 示意图
2 1
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11 输入
12  入口内径,di1 m 0.108
13  出口内径,di2 m 0.06
14  管道收缩后的两相流质量流速,G2 kg/㎡·s 300
15  液相密度,ρl kg/m³ 998
16  气相密度,ρg kg/m³ 24
17  质量含气率,χ / 0.85
18 过程
19  (di2/di1)2 /  (di2/di1)2 0.308641975
20  收缩系数,CO / / 0.612666667
21 结果
22  局部压力降,ΔPff kPa 1 0.639706246
计算表
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