堵塞质量流率

计算喷管喉部堵塞条件下的质量流率与临界状态。

visual calculator可压缩流动

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

compressiblenozzlechoked flowmass flow

公式

KaTeX rendered

\begin{aligned}\text{mdot = Cd A p0 sqrt(gamma / (R T0)) [2 / (gamma + 1)]\^{}((gamma + 1) / (2 (gamma - 1)))}\end{aligned}

ASCII source

mdot = Cd A p0 sqrt(gamma / (R T0)) [2 / (gamma + 1)]^((gamma + 1) / (2 (gamma - 1)))

gammaR (J/kg/K)T0 (K)p0 (Pa)throat area A (m^2)discharge coefficient Cd

mdot (kg/s)

0.0686

mdot / A (kg/s/m^2)

686.0662

T* (K)

250.0000

p* (Pa)

1.585e+5

Use this when the nozzle throat is sonic. The result is the maximum mass flow rate available from the given stagnation state.