Shock tubes

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inonickname
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Does anyone have any knowledge, or preferably experience with shock tubes or pulse detonation engines?

I'm looking to build a PDE (for the foreseeable future, manually operated, i.e. only operating for one cycle at a time) operating on propane/air with a Shchelkin spiral. Hydrogen/air or hydrogen/oxygen would be feasible on a small scale.

At this stage it will serve no practical purpose.
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AircannonSweden
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Here you have an ignitor!

[youtube][/youtube]
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ramses
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IIRC, pulse detonations use more energetic ignition sources.
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D_Hall
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Hope you have very good hearing protection and even more tolerant neighbors.... 'Cause a normal jet engine is pretty damned quiet compared to a PDE.

'Cause while I wasn't directly involved with the testing, I was maybe 1/2 mile away when this guy was being tested. Loud is not a strong enough word.

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Simulation geek (SDT/GGDT/HGDT) and designer of Vera.
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