Other
Scientific paper
Jan 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aipc..246..202h&link_type=abstract
Proceedings of the ninth symposium on space nuclear power systems. AIP Conference Proceedings, Volume 246, pp. 202-207 (1992).
Other
Structural And Shielding Materials, Lunar, Planetary, And Deep-Space Probes, Thermoelectric, Electrogasdynamic And Other Direct Energy Conversion
Scientific paper
A study was performed to compare the Dynamic Isotope Power System (DIPS) with Regenerative Fuel Cell (RFC) Systems for lunar mobile and remote power systems. Power requirements were initially reviewed for the various Space Exploration Initiative (SEI) lunar surface architectures. A modular approach was used to supply the varying power requirements. A 2.5-kWe power module size was selected with a 3-kWh battery system to supply peaking power requirements. Performance estimates were made for both the DIPS and RFC power plants. For the RFC systems, operating times from 12 h to a full lunar night (354 h) were considered. Results of the study indicated that the DIPS would have a mass advantage over the RFC at mission times greater than 70 h. Life cycle cost evaluations indicated that the RFC system would have an advantage of mission times less than 50 and 20 h, depending on the launch costs and installed capacity assumptions. The main problem identified for a DIPS was the fuel availability and cost. For the RFC, the main problem was the ability to achieve high reliabilities because of the complex process system required to support the RFC operation.
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