What is it about?
For high altitude zero pressure balloons, a model has been developed based on balloon dynamics , heat and mass transfer aspects, which has not been studied in the same model before. It was combined with a velocity control mechanism. The behavior of the baloon, especially the lift gas mass transfer mechanism has been investigated for the first time.
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Why is it important?
It was found that with the sacrificial flight gas compress - release model, it is possible to place the balloon at its orbit without using ballast and extend the flight time more than currently available.
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This page is a summary of: Modeling of Stratospheric Balloon Using Transport Phenomena and Gas Compress–Release System, Journal of Thermophysics and Heat Transfer, July 2014, American Institute of Aeronautics and Astronautics (AIAA),
DOI: 10.2514/1.t4271.
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