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气液两相流 - 弯头、三通、阀门 - 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 输入
2  附件种类 / 截止阀(全开)
3  气相密度,ρg kg/m³ 35
4  气相表观质量流速,Gg kg/(㎡·s) 350
5  液相密度,ρl kg/m³ 980
6  液相表观质量流速,Gl kg/(㎡·s) 5860
7 过程
8  气相比容,νg m³/kg / 0.028571429
9  液相比容,νl m³/kg / 0.001020408
10  附件系数,C2 / / 2.3
11  奇斯霍姆系数,CD / 1 12.60511517
12  局部阻力系数,K / / 6
13 结果
14  气相单相局部压力降,
ΔP
fgs
kPa 1 10.5
15  液相单相局部压力降,
ΔP
fls
kPa 1 105.1212245
16  两相流局部压力降,ΔPff kPa 1 534.4019388
计算表
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