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cfd-lab:~/zh/tools/bubble-rise-regimeonline
$ cd ..

气泡上升状态

由 Eotvos/Morton 数和简化终端速度估计可视化气泡形状与上升速度。

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。

01
输入尺度
02
模型
03
判断
bubble riseEotvosMortonterminal velocity
公式
KaTeX rendered
Eo = Delta rho g dˆ2 / sigmaMo = g mu_lˆ4 Delta rho / (rho_lˆ2 sigmaˆ3)\begin{aligned}\text{Eo = Delta rho g d\^{}2 / sigma}\\[0.35em]\text{Mo = g mu\_l\^{}4 Delta rho / (rho\_l\^{}2 sigma\^{}3)}\end{aligned}
ASCII sourceEo = Delta rho g d^2 / sigma, Mo = g mu_l^4 Delta rho / (rho_l^2 sigma^3)
bubble shape from Eotvos numberrise path
Eotvos Eo
1.2219
Morton Mo
2.629e-11
terminal U (m/s)
0.1399
bubble Re
418.878
shape
ellipsoidal

Use as a regime preview for Euler-Euler or VOF setup. Deformable contaminated bubbles need more specific correlations.