🧪 Stefan Diffusion Tube: Evaporation, the L² Law and Measuring Vapour Diffusivity

Three liquids evaporate through still air in a thermostatic Stefan tube: Antoine vapour pressure, bulk (Stefan) flow, the L-squared level law and a fit that recovers the vapour diffusivity from noisy level readings.

3D · Three.js / WebGL renderer · 60 FPS target · runs fully client-side, no install