Time‐resolved force sensing technique was applied to the study of propulsive characteristics of water droplets for multi‐pulse TEA (transversely excited at atmospheric pressure) CO 2 laser propulsion. Laser‐driven blast waves and associated flow dynamics in the impulse generation processes of ablation of water droplets were studied by Schlieren visualization. Experimental results showed that coupling coefficient and specific impulse decreased as the interval between laser pulses and pulse numbers was increased. The maximum speed of the blast wave in the opposite and same direction of laser propagation was respectively 10 km/s and 7 km/s.


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    Title :

    Time‐Resolved Force and Schlieren Visualization Study of TEA CO 2 Laser Ablation of Water Droplets


    Contributors:
    Li, Xiuqian (author) / Hong, Yanji (author) / Wen, Ming (author) / Ye, Jifei (author) / Cui, Cunyan (author) / Eckel, Hans‐Albert (editor) / Scharring, Stefan (editor)

    Conference:

    BEAMED ENERGY PROPULSION: Seventh International Symposium ; 2011 ; Ludwigsburg, (Germany)


    Published in:

    AIP Conference Proceedings ; 1402 , 1 ; 235-240


    Publication date :

    2011-11-10


    Size :

    6 pages





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English