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    Low Cost Access to Mars Surface using a Small Impact Lander

    Low Cost Access to Mars Surface using a Small Impact Lander


    In order to reduce the cost of landing small payloads on Mars, a new technology is being developed: the Small High Impact Energy Landing Device concept (SHIELD). The purpose of SHIELD is to provide a low-cost option to deliver up to 6 kg of science payload to the surface of Mars. SHIELD could be launched as a hosted payload, rideshare on an EELV secondary payload adapter (ESPA), or launching from a dedicated small launch vehicle using a kick stage. The SHIELD concept can achieve low-cost access to Mars by taking advantage of a low ballistic coefficient design to decelerate safely instead of using the typically required parachutes and/or propulsion to decelerate and stabilize itself during entry, decent, and landing (EDL). Current finite element simulations suggest that SHIELD would experience an impact acceleration pulse ranging from 1000 to 2000 g’s with a duration of 8 milliseconds. The SHIELD concept payload subsystem includes a “ruggedized” small warm electronics box (WEB). The WEB houses the telecommunications, command and data handling, thermal control, electrical power, and payload subsystems while maintaining an internal operating temperature ranging between -20° to 20° C. The system is designed to survive the Martian night by utilizing electric heaters powered with solar cells during the day and secondary batteries. The WEB is designed to be impact resistant capable of surviving an impact acceleration pulse equal to or less than 2000 g’s.

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    Titel :

    Low Cost Access to Mars Surface using a Small Impact Lander

    Beteiligte:
    Woolley, Ryan (Autor:in) / Edwards, Charles (Autor:in) / Diniega, Serina (Autor:in) / Stamenkovic, Vlada (Autor:in) / Giersch, Louis (Autor:in) / Barba, Nathan (Autor:in)
    Erscheinungsdatum :

    2021-03-06

    Medientyp :

    Preprint

    Format :

    Keine Angabe

    Sprache :

    Englisch

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