Evolving future space platforms will require a more significant role of thermal management as a result of the multi-year mission durations, large quantities of waste heat, longer physical distances, and a variety of payloads which must be accommodated by the platform. A viable concept in thermal management is a two-phase fluid loop system that transfers heat by evaporation and condensation, thereby operating at a constant temperature over the entire length of the loop. A number of concepts for a two-phase thermal bus have been investigated; these involved series and parallel configurations, both with and without mechanical pumps. Evaluation of these concepts based on weight, thermal characteristics, ground testability, reliability/complexity, growth capability, and development risk resulted in the recommendation of a parallel flow/modulating valve concept.


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    Title :

    Conceptual Design of a Thermal Bus for Large Space Platforms


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    Intersociety Conference on Environmental Systems ; 1984



    Publication date :

    1984-07-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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