Investigation of Hypervelocity Impacts on Retrieved Surfaces by Direct Simulation Monte Carlo

Investigation of Hypervelocity Impacts on Retrieved Surfaces by Direct Simulation Monte Carlo Hypervelocity impacts on the retrieved Hubble Space Telescope (HST) solar array was investigated by our extended Direct Simulation Monte Carlo (DSMC) model and the result matches well with the measured data in most of the particle mass range. The revelation of the altitude dependence of particles flux onto the retrieved surfaces provides some insight in understanding the observed higher flux onto Mir space station relative to that onto Long Duration Exposure Facility (LDEF). Our analysis suggests that a slightly higher primary flux onto Mir space station would be possible even without taking into account the secondary impacts, as a result of the existence of the highly eccentric orbits of small-sized debris. It is, furthermore, predicted that 43% of the measured impact flux onto Mir station in PIE experiment may be from secondary impacts, and a corresponding 7% for the detectors in Echantillions experiment. Space Debris Springer Journals

Investigation of Hypervelocity Impacts on Retrieved Surfaces by Direct Simulation Monte Carlo

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Kluwer Academic Publishers
Copyright © 2000 by Kluwer Academic Publishers
Engineering; Automotive Engineering; Law of the Sea, Air and Outer Space; Astronomy, Observations and Techniques
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