Importance

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Abstract

A rotating detonation engine can include an annular combustion chamber, an adjustable exhaust nozzle, and a nozzle actuator arrangement. The annular combustion chamber can have repetitive high frequency combustion and can include an outlet. The nozzle can be coupled to that outlet to receive exhaust reactants expelled therefrom. The nozzle can include elongated fins arranged in a conical shape having inner surfaces, outer surfaces, and distal ends. The fins can include outer and inner sets of fins, can contract toward a closed position, and can expand toward an open position. Distal ends of the fins can define a nozzle outlet having variable diameters. The nozzle actuator arrangement can have fin adjusters that adjust the fins between the closed and open positions when power is applied to a power transmitter coupled to the fin adjusters during engine operations.

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First Claim