Presentation 406 - International Planetary Probe Workshop

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Mars Science Lab (MSL) Spacecraft Mars Science Laboratory Cruise Stage Backshell Descent Stage Rover Heatshield Entry Vehicle June 16, 2010 7 th International Planetary Probe Workshop (IPPW7) HHH-3
MSL Heatshield Peak Environments (based on original 2009 launch/ 2010 entry) • First Mars vehicle with turbulent flow on the heatshield • Conditions ~2x higher heating on any previous Mars mission Mars Science Laboratory Value Location of peak condition Peak q w (W/cm 2 ) Peak w (Pa) Peak p w (atm) Q w (J/cm 2 ) Max Heat Flux location 197 444 0.262 5477 Max Shear Stress location 178 471 0.227 5054 Max Pressure location 45 10 0.371 2219 For details, see K.T. Edquist, A.A. Dyakonov, M.J. Wright, and C.Y. Tang, “Aerothermodynamic Design of the Mars Science Laboratory Heatshield,” AIAA 2009-4075. June 16, 2010 7 th International Planetary Probe Workshop (IPPW7) HHH-4
Page 1 and 2: The Evolution of the Mars Science L
Page 3: The MSL TPS Team • ARC: - Robin B
Page 7 and 8: Material Failures During Shear Test
Page 9 and 10: New Direction: Define a New TPS for
Page 11 and 12: Flow direction Different material,
Page 13 and 14: MSL Thermal Development for PICA Ma
Page 15 and 16: PICA in shear: well-behaved and no
Page 17 and 18: PICA Bondline Temperature Predictio
Page 19 and 20: Heatshield TPS Margin Assessment Ma
Page 21 and 22: Work To Go Mars Science Laboratory
Page 23: Acknowledgments Mars Science Labora

Presentation 406 - International Planetary Probe Workshop

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