Flames Extinguish Themselves in Zero Gravity. Originally published in November 2000
Not so in zero gravity. The air that’s is heated by the fire does expand, but with no gravity pulling denser air down into its space, it just . . . stays there.
How fire burns in zero gravity – ZME Science
Sometimes, the fuel — long strings of carbon — gets pushed upwards where it burns like charcoal, glowing yellow. Without gravity, the …
The flames didnt self-extinguish because the launch pad was not a gravity-free environment. Oxygen could still reach a flame in a gravity-free environment if someone blew the gas into the flame or …
People Also Ask does fire extinguish in zero gravity
What happens to fire in space without gravity?
Sometimes, the fuel — long strings of carbon — gets pushed upwards where it burns like charcoal, glowing yellow. Without gravity, the carbon strings don’t get burned, and the flame is blue, cooler, and much much dimmer. Studying fire in microgravity can render some important practical insight.
How does a flame behave in zero gravity?
How does a flame behave in zero gravity? A typical flame, such as that from a candle, produces light, heat, carbon dioxide and water vapor. The heat causes these combustion products to expand, which lowers their density, and they rise due to buoyancy. Fresh, oxygen-containing air can thus get into the flame, further fueling the combustion process.
Why does a fire need gravity to burn?
Because gravity pulls down anything with a higher density, the hot air travels upwards and leaves the vicinity of the fire, which is very convenient. With the hot air gone, fresh air is drawn into the gap providing a new source of oxygen-rich air.
Can oxygen reach a flame in a gravity free environment?
Oxygen could still reach a flame in a gravity-free environment if someone blew the gas into the flame or let it "diffuse" in. It is the diffusion process that spreads the scent of a perfume in a room without air circulation: the perfume slowly mixes with the air to try to achieve a uniform distribution.
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Fire in ZERO-G!! Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher