液滴破碎判据

根据 Weber 数和 Ohnesorge 数快速分类液滴破碎趋势。

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

droplet breakupWeberOhnesorgeatomization

公式

KaTeX rendered

\begin{aligned}\text{We = rho\_c U\_rel\^{}2 d / sigma}\\[0.35em]\text{Oh = mu\_d / sqrt(rho\_c sigma d)}\end{aligned}

ASCII source

We = rho_c U_rel^2 d / sigma, Oh = mu_d / sqrt(rho_c sigma d)

continuous rho (kg/m^3)relative U (m/s)droplet d (m)sigma (N/m)droplet mu (Pa s)

40.8333

0.0761

regime

bag breakup likely

Breakup thresholds are approximate air-blast heuristics. Use them as a CFD setup sanity check, not a model closure.