Mission concepts for the in situ investigation of the Venus atmosphere and surface in the period following the VOIR mission are discussed. The science issues in Venus exploration and possible means of meeting the scientific objectives are considered, including global mapping, surface composition determination, atmospheric composition determination and surface-atmosphere interactions. Particular attention is then given to the feasibility of buoyant stations for atmospheric observation, balloon-tether combinations for surface observations, and the active thermal control by a reversed Brayton cycle or a vapor compression cycle of a long-lived Venus lander. Of the concepts examined, it is found that only the balloon-tether system would be impractical for the mission outlined for it, while the other two concepts appear feasible.


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    Title :

    Mission concepts for Venus surface investigation


    Contributors:

    Conference:

    Astrodynamics Specialist Conference ; 1981 ; Lake Tahoe, NV, US


    Publication date :

    1981-08-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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