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Power Requirements for The NASA Mars Design Reference Architecture (DRA) 5.0
NTRS Full-Text: Click to View  [PDF Size: 629 KB]
Author and Affiliation:
Cataldo, Robert L.(NASA Glenn Research Center, Cleveland, OH, United States)
Abstract: This paper summarizes the power systems analysis results from NASA s recent Mars DRA 5.0 study which examined three architecture options and resulting mission requirements for a human Mars landing mission in the post-2030 timeframe. DRA 5.0 features a long approximately 500 day surface stay split mission using separate cargo and crewed Mars transfer vehicles. Two cargo flights, utilizing minimum energy trajectories, pre-deploy a cargo lander to the surface and a habitat lander into a 24-hour elliptical Mars parking orbit where it remains until the arrival of the crew during the next mission opportunity approximately 26 months later. The pre-deployment of cargo poses unique challenges for set-up and emplacement of surface assets that results in the need for self or robotically deployed designs. Three surface architecture options were evaluated for breadth of science content, extent of exploration range/capability and variations in system concepts and technology. This paper describes the power requirements for the surface operations of the three mission options, power system analyses including discussion of the nuclear fission, solar photovoltaic and radioisotope concepts for main base power and long range mobility.
Publication Date: Jun 14, 2009
Document ID:
20120012929
(Acquired Aug 16, 2012)
Subject Category: SPACECRAFT PROPULSION AND POWER
Report/Patent Number: Paper 203603, E-18237
Document Type: Conference Paper
Meeting Information: 3rd Topical Meeting on Nuclear and Emerging Technologies for Space 2009 (NETS 2009); 14-19 Jun. 2009; Atlanta, GA; United States
Contract/Grant/Task Num: WBS 138494.05.02.01.02
Financial Sponsor: NASA Glenn Research Center; Cleveland, OH, United States
Organization Source: NASA Glenn Research Center; Cleveland, OH, United States
Description: 12p; In English; Original contains color illustrations
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: No Copyright
NASA Terms: MANNED MARS MISSIONS; SYSTEMS ANALYSIS; MARS LANDING; NUCLEAR PROPULSION; NUCLEAR FISSION; PHOTOVOLTAIC EFFECT; SOLAR ARRAYS; RADIOISOTOPE HEAT SOURCES; MARS SURFACE; NUCLEAR POWER REACTORS; MARS ENVIRONMENT; OPACITY; MARS ROVING VEHICLES; PARKING ORBITS
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