两相压降

用 Lockhart-Martinelli 乘子快速估算气液管内压降，并可视化相分布。

visual calculator多相流

先看流动形态，再相信数字。

该工具把 CFD 设置转换为工况、尺度和主导效应提示。调节下方计算器，观察动态图与计算结果如何一起变化。

输入尺度

模型

判断

two-phase flowLockhart-Martinellipressure dropvoid fraction

公式

KaTeX rendered

\begin{aligned}\text{phi\_l\^{}2 = 1 + C/X + 1/X\^{}2}\\[0.35em]\text{(dp/dz)\_tp = phi\_l\^{}2 (dp/dz)\_l}\end{aligned}

ASCII source

phi_l^2 = 1 + C/X + 1/X^2, (dp/dz)_tp = phi_l^2 (dp/dz)_l

quality xmass flux G (kg/m2/s)pipe D (m)pipe L (m)rho_l (kg/m3)rho_g (kg/m3)mu_l (Pa s)mu_g (Pa s)LM C

X_LM

0.4763

phi_l^2

47.399

dp/dz 2phi (Pa/m)

4920.35

Delta p total (Pa)

2.460e+4

Re_l / Re_g

1.111e+4 / 8.929e+4

Fast screening model only. Use detailed flow-pattern correlations before final sizing or safety decisions.