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Microgravity Combustion: Droplet Flame Lab

Interactive ISS combustion-rack simulator: ignite a suspended fuel droplet and slide gravity from 0g to 1g to watch the flame switch between a spherical, soot-free microgravity envelope and a buoyant, sooty teardrop flame, with live d²-law burn-rate readouts.

Space & Astronomy3DModerate60 FPS

Inside the ISS Combustion Integrated Rack, researchers suspend a single fuel droplet on a thin support fiber and ignite it to study how flames behave with no buoyancy to drive them. This simulator rebuilds that experiment: a droplet burns down under the classical d²-law while a gravity slider blends between a true microgravity spherical diffusion flame and a full 1g buoyant flame, live-updating droplet diameter, flame stand-off radius and the burning-rate constant K as ambient oxygen and starting droplet size are varied. It is the same diffusion-flame physics behind spacecraft fire-safety research and terrestrial spray combustion.

⚙ Under the hood

Ignite a fiber-suspended fuel droplet in a simulated ISS combustion rack and slide gravity from 0g to 1g to watch the flame switch between a spherical, soot-free microgravity envelope and a buoyant, sooty teardrop flame, with live d²-law burn-rate readouts.

combustionmicrogravityISSfluid dynamicsspace sciencefire safety

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