AUTO-DRIVEN PLASMA ACTUATOR FOR TRANSITION FROM DEFLAGRATION TO DETONATION COMBUSTION REGIME AND METHOD

Deanna A Lacoste (Inventor)

Research output: Patent

Abstract

An engine that uses detonation for generating energy includes a housing; an inlet configured to inject a fuel mixture into an ignition region of the housing, the inlet being attached to the housing; an ignitor located in the ignition region and configured to ignite the fuel mixture; a deflagration to detonation, DDT, region in fluid communication and downstream from the ignition region; a pair of electrodes located in the DDT region and configured to apply nanosecond repetitive voltage pulses to the DDT region; and a detonation region, within the housing, in fluid communication and downstream from the DDT region. The nanosecond repetitive voltage pulses generate a non-thermal plasma that transition a combustion front propagation through the housing from a deflagration mode to a detonation mode.

Original languageEnglish (US)
Patent numberUS2020378605
IPCH05H 1/ 52 A I
Priority date03/15/18
StatePublished - Dec 3 2020

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