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Mission and Design Sensitivities for Human Mars Landers Using Hypersonic Inflatable Aerodynamic DeceleratorsLanding humans on Mars is one of NASA's long term goals. NASA's Evolvable Mars Campaign (EMC) is focused on evaluating architectural trade options to define the capabilities and elements needed to sustain human presence on the surface of Mars. The EMC study teams have considered a variety of in-space propulsion options and surface mission options. Understanding how these choices affect the performance of the lander will allow a balanced optimization of this complex system of systems problem. This paper presents the effects of mission and vehicle design options on lander mass and performance. Beginning with Earth launch, options include fairing size assumptions, co-manifesting elements with the lander, and Earth-Moon vicinity operations. Capturing into Mars orbit using either aerocapture or propulsive capture is assessed. For entry, descent, and landing both storable as well as oxygen and methane propellant combinations are considered, engine thrust level is assessed, and sensitivity to landed payload mass is presented. This paper focuses on lander designs using the Hypersonic Inflatable Aerodynamic Decelerators, one of several entry system technologies currently considered for human missions.
Document ID
20170003405
Document Type
Conference Paper
Authors
Polsgrove, Tara P. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Thomas, Herbert D. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Dwyer Ciancio, Alicia (NASA Langley Research Center Hampton, VA, United States)
Collins, Tim (NASA Langley Research Center Hampton, VA, United States)
Samareh, Jamshid (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
April 12, 2017
Publication Date
March 4, 2017
Subject Category
Launch Vehicles and Launch Operations
Space Transportation and Safety
Report/Patent Number
M17-5805
Meeting Information
IEEE Aerospace Conference(Big Sky, MT)
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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