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Venus Mobile Explorer with RPS for Active Cooling: A Feasibility StudyWe present our findings from a study to evaluate the feasibility of a radioisotope power system (RPS) combined with active cooling to enable a long-duration Venus surface mission. On-board power with active cooling technology featured prominently in both the National Research Council's Decadal Survey and in the 2006 NASA Solar System Exploration Roadmap as mission-enabling for the exploration of Venus. Power and cooling system options were reviewed and the most promising concepts modeled to develop an assessment tool for Venus mission planners considering a variety of future potential missions to Venus, including a Venus Mobile Explorer (either a balloon or rover concept), a long-lived Venus static lander, or a Venus Geophysical Network. The concepts modeled were based on the integration of General Purpose Heat Source (GPHS) modules with different types of Stirling cycle heat engines for power and cooling. Unlike prior investigations which reported on single point design concepts, this assessment tool allows the user to generate either a point design or parametric curves of approximate power and cooling system mass, power level, and number of GPHS modules needed for a "black box" payload housed in a spherical pressure vessel.
Document ID
20150008655
Document Type
Conference Paper
External Source(s)
Authors
Leifer, Stephanie D. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Green, Jacklyn R. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Balint, Tibor S. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Manvi, Ram (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Date Acquired
May 20, 2015
Publication Date
March 7, 2009
Subject Category
Spacecraft Design, Testing and Performance
Meeting Information
2009 IEEE Aerospace Conference(Big Sky, MT)
Distribution Limits
Public
Copyright
Other