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Pulsed Detonation Engine 5 Hz Ground Test

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This video shows a 2007 test firing of a propane and oxygen fueled pulsed detonation engine at the UT Arlington Aerodynamics Research Center. The detonation frequency is 5 Hz. This engine features a 1 inch (inner diameter) pre-detonator using propane and oxygen and a 4 inch (inner diameter) combustor using a liquid fuel and air mixture. The ignition is based on an automotive system and auto spark plugs. This test was performed to test the various valving controls and the sensors (pressure, ion detectors, optical sensors, etc.).
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