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Questions tagged [ablator]

A material used during reentry to boil and burn away to get rid of energy from air friction.

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Could a spacecraft produce lift using sublimating material?

Following this question, could a spacecraft approaching upper atmosphere from very low circular Earth orbit, produce lift to soar propulsively, bleeding speed at constant apoapsis, by sublimating ...
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Could ablative material sublimation slow down a spacecraft?

Thought experiment illustrated below: Suppose a weird spacecraft entering Earth's atmosphere from low Earth orbit, payload first. Behind it there is an inverted nozzle shaped structure, attached with ...
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What properties characterize material as a good ablator?

I know the role and mechanism of ablator, I know some examples, but I still don't know "what makes a material a good ablator". Certainly combustion/evaporation temperature below the expected work ...