The purpose of this white paper is to provide an overview to the NRC Decadal Survey Inner Planets Sub-Panel on thermal protection system (TPS) technologies required for future Venus exploration missions. It considers the capability of heritage TPS technology used by the Pioneer Venus and Galileo probe missions and identifies new technologies that could enable greater science value and more ambitious missions in the future. A prime conclusion is that there are important advances regarding the availability of forebody TPS required for Venus entry probes. Specifically, the carbon phenolic flown on the Pioneer Venus probes has been deemphasized and a new 3D woven material system, Heatshield for Extreme Entry Environment Technology (HEEET) has replaced carbon phenolic. Along with the development of HEEET, there have been test facility upgrades and design tool improvements. These new material and test methods are enabling for Venus missions. However, without a mission scheduled in the near future, even these new developments are at risk of becoming unavailable. Therefore, we recommend that NASA invest in a cross-cutting technology program that focuses on sustainment of relevant TPS materials, entry systems, test facilities, design tools, and flight instrumentation.


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    Title :

    Technologies for Future Venus Exploration


    Contributors:
    M. J. Gasch (author) / H. Hwang (author) / D. Ellerby (author) / M. Stackpoole (author) / E. Venkatapathy (author) / A. Cassell (author) / J. Feldman (author) / S. Muppidi (author) / R. Beck (author) / T. White (author)

    Publication date :

    2020


    Size :

    8 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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