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Explosions in space
papa


Joined: 13 Jun 2007
Posts: 6
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Hi!
I hope I'm not lowering the level of these forums by asking these questions.

Basically I'm a Game developer.
I'm doing 3d art for a space related Game.
My current task is to make explosion effects.
I want to atleast try to be accurate.

Would anybody have any tips on the dynamics of explosions in space in this context. Any kind of media of a flame/explosion/fire in a pseudo vacuum would be helpful

(pseudo as in partial oxygen environment).

Even media of the space shuttles engines active in space would be helpful.
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RE:Explosions in space
slowrock


Joined: 02 Jun 2007
Posts: 8
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Explosions in space are not visibly lasting. Even a nuclear explosion would be akin to a camera flash. The 'blast' of a non-nuclear explosion or the radiation of a nuclear

explosion is more devastating than on Earth but without the sensory evidence of sight and sound. A controlled burn from a rocket would be visible but an 'explosion' would

almost instant in visibility then gone even with oxygen available' as there is nothing (like air pressure, a density of molecules, etc.) to contain the blast. Blasts both nuclear

and non-nuclear would be devastating over a far greater distance.

Unlike video games, war in space wouldn't need a video monitor or sound system.
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Explosions in space
james wilkins


Joined: 24 Sep 2008
Posts: 1
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On Earth, the interaction with the surrounding matter, be it air, water, or whatever, means that the initial energy is very quickly, in a few milliseconds, spread out over a fairly large amount of matter, no matter what the nature of the explosive. This material, typically air, forms a luminous fireball that expands at the speed of sound in the air that has been heated by the explosion, which is faster than the speed of sound in ordinary cool air. The result is a shock wave at the surface of the fireball. As the fireball expands it compresses and heats the surrounding air, while losing energy by radiation and also because of the work it is doing on the outside air, all of which causes it to cool. Eventually it cools to the point where it is no longer luminous, the shock wave moves out ahead and makes the BANG! that we hear and that may knock down buildings, and a cloud of swirling debris, smoke, and maybe brownish nitrogen oxides are left behind.
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james wilkins

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Explosions in space
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