What Happens To Fire In Microgravity Environments?
What Happens To Fire In Microgravity Environments?
Apr 3, 2024
iflscience.com
Fire behaves very differently in microgravity — and this ISS experiment shows it beautifully. 🔵 With no “up” in 0g, hot gases don’t rise, so the flame becomes a perfect sphere. Combustion completes more cleanly, giving the flame its blue color. When you see sudden orange patches, that’s soot forming — a brief moment of incomplete burning, similar to flames on Earth. As the droplet burns, tiny asymmetries push it gently through the air until the fuel is gone and the flame silently disappears. |
0:45
Fire behaves very differently in microgravity — and this ISS experiment shows it beautifully. 🔵 With no “up” in 0g, hot gases don’t rise, so the flame becomes a perfect sphere. Combustion completes more cleanly, giving the flame its blue color. When you see sudden orange patches, that’s soot forming — a brief moment of incomplete burning, similar to flames on Earth. As the droplet burns, tiny asymmetries push it gently through the air until the fuel is gone and the flame silently disappears. |
22.3K views5 months ago
FacebookThe Galactic Void
Slow-motion fire experiment in microgravity done by dropping a box with a GoPro and candle inside. Physics Girl tests a candle in free-fall. Support Dianna during her recovery at patreon.com/physicsgirl http://physicsgirl.org/ ‪http://twitter.com/thephysicsgirl ‪http://facebook.com/thephysicsgirl ‪http://instagram.com/thephysicsgirl Check out Dan Walsh’s incredible mathematical art here: http://danielwalsh.tumblr.com/tableofcontents Check out Kyle Kitzmiller’s work here: http://ziplaunchpad.sdsu
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Slow-motion fire experiment in microgravity done by dropping a box with a GoPro and candle inside. Physics Girl tests a candle in free-fall. Support Dianna during her recovery at patreon.com/physicsgirl http://physicsgirl.org/ ‪http://twitter.com/thephysicsgirl ‪http://facebook.com/thephysicsgirl ‪http://instagram.com/thephysicsgirl Check out Dan Walsh’s incredible mathematical art here: http://danielwalsh.tumblr.com/tableofcontents Check out Kyle Kitzmiller’s work here: http://ziplaunchpad.sdsu
64.6K views4 months ago
FacebookPhysics Girl
Flame Burns Out on NASA’s Long-Running Spacecraft Fire Experiment
Flame Burns Out on NASA’s Long-Running Spacecraft Fire Experiment
Feb 14, 2024
nasa.gov
In zero gravity, a candle flame behaves in a completely unexpected way. Instead of forming the familiar yellow, teardrop-shaped flame that rises upward on Earth, the flame becomes a small, blue, floating sphere. This happens because, without gravity, hot gases don’t rise and cold air doesn’t sink—eliminating the convection currents that shape flames on Earth. On our planet, gravity pulls cooler, oxygen-rich air downward while hot combustion gases rise, stretching the flame upward and giving it a
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In zero gravity, a candle flame behaves in a completely unexpected way. Instead of forming the familiar yellow, teardrop-shaped flame that rises upward on Earth, the flame becomes a small, blue, floating sphere. This happens because, without gravity, hot gases don’t rise and cold air doesn’t sink—eliminating the convection currents that shape flames on Earth. On our planet, gravity pulls cooler, oxygen-rich air downward while hot combustion gases rise, stretching the flame upward and giving it a
1.5K views4 months ago
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🔥 Why Fire Becomes a Sphere in Space | Microgravity Explained 🚀 #Science #Space #Fire
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SpaceXer Tees on Instagram: "NASA’s FLEX Burns Fuel in Zero Gravity 🤯 Flame Floats as a Perfect Sphere Instead of Rising What does fire look like in space? 🤯 On Earth, flames rise because hot air goes up and cool air replaces it—but in zero gravity, there’s no “up” or “down.” So when NASA’s FLEX researchers ignited a tiny fuel droplet aboard the International Space Station (ISS)… something unbelievable happened. 🔥 The flame didn’t rise. 🔥 It didn’t flicker. 🔥 It formed a perfect floating sp
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Physics Uncovered on Instagram: "Spherical flames in space occur because of microgravity, and they look very different from flames on Earth. On Earth, gravity causes hot gases to rise and cooler air to flow in from below. This buoyancy-driven convection stretches a flame upward into a teardrop shape. In space, however, gravity is essentially absent, so hot gases do not rise. Without convection, oxygen reaches the flame only by diffusion, evenly from all directions."
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