Polymeric ablative materials play a strategic role in the whole aerospace industry: they are used to produce the Thermal Protection System (TPS) which protects vehicles during the hypersonic flight through a planetary atmosphere. Inflatable Deployable Aeroshells (IDAs) offer an alternative to rigid TPSs: IDAs are based on the use of Flexible TPSs (FTPSs). State of art FTPSs can handle heat fluxes up to approximately 20 W/cm²: however, next generation FTPSs for IADs should be able to survive heat fluxes up to 150 W/cm². To satisfy these stringent requirements, we propose a radically brand-new concept of flexible TPS based on the use of state of art elastomeric ablatives (EPDM/Aramid) employed to produce the insulation liners for Solid Rocket Motors (SRMs). This class of ablatives is tailored to survive heat fluxes in the range of (300/1000) W/cm². Most important, we envisioned to introduce an "Armadillo-Like" design in which a series of overlapping sacrificial movable tiles could work as a continuous flexible thermal barrier.


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    Title :

    A new concept of flexible thermal protection system for inflatable decelerators


    Contributors:


    Publication date :

    2014


    Size :

    18 Seiten, Bilder, Tabellen, 29 Quellen


    Remarks:

    (nicht paginiert)



    Type of media :

    Conference paper


    Type of material :

    Storage medium


    Language :

    English




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