Abstract

A survey is given of recent combustion dynamics research using shock tubes. There are three different fields where phenomena in supersonic gas flows resulting from chemical heat release are of particular interest: Combustion in an external flow field for lift and thrust generation on hypersonic vehicles, for drag reduction or for piloting hypervelocity projectiles. Scramjet combustor: detailed information on the supersonic combustion can be obtained with “direct connect” shock tube experiments. Ram acceleration of projectiles in a tube by self-synchronized ignition of a combustible gas mixture. The ignition and combustion processes in the flow field around the high-speed projectile can be studied in an expansion tube.

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