Polyoxymethylene (POM) has been widely studied as a laser propulsion propellant paired to CO 2 laser radiation. POM is a good test case for studying ablation properties of polymer materials, and within limits, for study of general trends in laser ablation‐induced impulse. Despite many studies, there is no general understanding of POM ablation that takes into account the ambient pressure, spot area, fluence, and effects from confinement and combustion. This paper reviews and synthesizes CO 2 laser ablation propulsion research using POM targets. Necessary directions for future study are indicated to address incomplete regions of the various parameter spaces. Literature data is compared in terms of propulsion parameters such as momentum coupling coefficient and specific impulse, within a range of fluences from about 1–500  J / cm 2 , ambient pressures from about 10 −2 –10 5 Pa , and laser spot areas from about 0.01–10  cm 2 .


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    Title :

    Survey Of CO 2 Laser Ablation Propulsion With Polyoxymethylene Propellant


    Contributors:

    Conference:

    BEAMED ENERGY PROPULSION: 6th International Symposium ; 2009 ; Scottsdale (Arizona)


    Published in:

    AIP Conference Proceedings ; 1230 , 1 ; 231-242


    Publication date :

    2010-05-06


    Size :

    12 pages





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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