First Test Of SoFIE-GEL On ISS Produces A Flame In Microgravity

The Crew-6 mission continues combustion research using the Solid Fuel Ignition and Extinction (SoFIE) hardware insert for the station’s Combustion Integrated Rack (CIR).

A previous investigation, SoFIE-GEL, looked at how fuel temperature affects material flammability. Now, SoFIE- MIST examines thermally-assisted burning in microgravity, changing parameters including air flow, oxygen concentration, pressure, and external radiation level.

Results could help scientists assess the flammability of materials used in future space missions, a critical factor in spacecraft and facility design.

The investigation also could contribute to crew safety by helping to determine the best equipment and procedures to detect and suppress a fire in space and to clean up afterwards. Results may help scientists refine combustion models that could be used in terrestrial settings as well.