Experimental Study on Thrust Characteristics of Airspace Laser Propulsion Engine

Statistics – Applications

Scientific paper

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Laser Applications, Spaceborne And Space Research Instruments, Apparatus, And Components

Scientific paper

In the paper a specially designed airspace laser propulsion engine is examined at the non-conventional laser beam input into the engine nozzle. The experiments are carried out by using of the laboratory stand and pulsed CO2 laser. In the experiments, geometrical parameters of the engine and laser pulse characteristics are varied. The technique of the experiments allowed measuring of momentum coupling coefficient Cm with accuracy of +/-10%. The coupling coefficient Cm was experimentally measured and compared with Cm determined theoretically. The dependences of the coupling coefficient on the laser pulse characteristics and geometrical parameters of the engine are also obtained. In the paper the analysis of the flight model of the airspace laser propulsion engine is considered too.

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