Preliminary studies on the planetary entry to Jupiter by aerocapture technique

Details Preliminary studies on the planetary entry to Jupiter by aerocapture technique Preliminary studies on the planetary entry to Jupiter by aerocapture technique

Nov 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003esasp.542..195a&link_type=abstract

In: Proceedings of the Fifth IAA International Conference on Low-Cost Planetary Missions, 24-26 September 2003, Noordwijk, The N

Mathematics

Logic

Space Missions, Jupiter, Planetary Entry

Scientific paper

Preliminary studies on the planetary entry to Jupiter by aerocapture technique are studied in order to complete technological challenges to deliver scientific probe with low cost and smaller mass of the spacecraft to Jupiter. Jupiter aerocapture corridor determination based on maximum deceleration limit of 5g (lower corridor) and aerocapture capability (upper corridor) at Jupiter are carefully considered and calculated. The results show about 1700 m/s of saving velocity due to aerocapture could be possible in some cases for the spacecraft to be captured by Jovian gravitational field. However, the results also show that Jovian aerocapture is not available in some cases. Hence, careful selection is needed to realise Jovian aerocapture. Also the numerical simulation of aerodynamic heating to the spacecraft has been conducted. DSMC method is used for the simulation of flow fields around the spacecraft. The transient changes of drag due to Jovian atmosphere and total heat loads to the spacecraft are obtained. The results show the estimated heat loads could be within allowable amount heat load when some ablation heat shield technique is applied.

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