阻力极线探索器

由零升阻力、展弦比和 Oswald 效率可视化抛物线阻力极线与当前 L/D 工作点。

visual calculator气动与外流

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

drag polarliftinduced dragL/D

公式

KaTeX rendered

\begin{aligned}\text{C\_D = C\_D0 + C\_L\^{}2 / (pi AR e)}\\[0.35em]\text{L/D = C\_L / C\_D}\end{aligned}

ASCII source

C_D = C_D0 + C_L^2 / (pi AR e), L/D = C_L / C_D

C_D0aspect ratio AROswald eC_Lrho (kg/m^3)U (m/s)reference area (m^2)

C_D total

0.04878

induced C_Di

0.02378

L/D

14.3513

best L/D near C_L

0.7178

dynamic pressure (Pa)

1240.3125

lift (N)

1215.5063

drag (N)

84.6968

polar k

0.04852

Use this as a preliminary aerodynamic balance check. Matching Reynolds and Mach is still required before reusing measured drag coefficients.