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- W4386557360 abstract "Thermal protection systems are a critical component of planetary exploration, enabling probes to enter the atmosphere and perform in-situ measurements. The aero-thermal conditions encountered during entry are destination and vehicle dependent, ranging from relatively benign conditions at Mars and Titan, to extreme conditions at Venus and Jupiter. The thermal protection system is a single-point-of-failure for both entry probe and aerocapture missions, and hence must be qualified using ground tests to ensure mission success. The high density Carbon-Phenolic which was used in the Galileo and the Pioneer Venus missions is no longer available due to the lack of the manufacturing base for its raw materials. To address the need for Venus and outer planet missions, NASA has developed the Heatshield for Extreme Environment Entry Technology (HEEET). The present study uses the Aerocapture Mission Analysis Tool (AMAT) to perform a comparative study of the thermal protection system requirements for various planetary destinations and the applicability of HEEET for future entry and aerocapture missions. The heat rate and stagnation pressure for aerocapture is significantly less compared to probe entry. The large heat loads during aerocapture present a challenge, but HEEET is capable of sustaining large heat loads within a reasonable TPS mass fraction." @default.
- W4386557360 created "2023-09-09" @default.
- W4386557360 creator A5053605669 @default.
- W4386557360 date "2023-09-05" @default.
- W4386557360 modified "2023-10-16" @default.
- W4386557360 title "Thermal Protection System Requirements for Future Planetary Entry and Aerocapture Missions" @default.
- W4386557360 doi "https://doi.org/10.48550/arxiv.2309.01938" @default.
- W4386557360 hasPublicationYear "2023" @default.
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