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单相流管道,管径逐渐缩小的局部压力降计算
Selected 管道, 压降.
管道
压降
管道
压降
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依据:SH/T 3035-2018
管径逐渐缩小的局部压力降计算
名称
单位
公式/来源
值
1
示意图
2
3
4
5
6
7
8
9
10
输入
11
流体密度,ρ
kg/m³
1000
12
入口内径,d
i1
m
0.106
13
出口端流速,u
2
m/s
9.5
14
出口端内径,d
i2
m
0.06
15
扩散角,θ
°
180
16
过程
17
局部阻力系数,K
/
/
0.339800641
18
结果
19
压力降,ΔP
ff
kPa
15.33350392
计算表
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