NASA's Saffire program conducted six experiments on uncrewed Cygnus supply vehicles to understand how fire behaves on spacecraft.
NASA's Saffire program is a series of experiments designed to understand how fire behaves in a spacecraft. In this image, a sample of fabric burns inside an uncrewed Cygnus cargo craft during a previous Spacecraft Fire Safety Experiment investigation, Saffire-IV. Image Credit: NASA
“How big a fire does it take for things to get bad for a crew?” asked Dr. David Urban, Saffire principal investigator at NASA’s Glenn Research Centre. “This kind of work is done for every other inhabited structure here on Earth – buildings, planes, trains, automobiles, mines, submarines, ships – but we hadn’t done this research for spacecraft until Saffire.”
“The Saffire flow unit is a wind tunnel,” said Dr. Gary Ruff, Saffire project manager at NASA’s Glenn Research Center. “We’re pushing air through it. Once test conditions are set, we run an electrical current through a thin wire, and the materials ignite.”
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