Operational mode analysis of the maps NTP system
- Commissariat a l`Energie Atomique, DRN/DMT CEN SACLAY, 91191 GIF sur YVETTE Cedex (FRANCE)
- Altran Technologies, 58 Boulevard Gouvion Saint Cyr, 75858 PARIS Cedex 17 (France)
Within the framework of the french NTP program MAPS, the analysis of the (start-up/shut-down) transient sequences whose negative impact on the specific impulsion Isp is important, requires the evaluation of the hydrogen system performance and consequently the development of a simulation computer program. This work induces a preliminary evaluation of the hydrogen system performance under nominal operating conditions. A first approach of the transient operating mode has been simultaneously performed; more specifically the evolution of the core during a shut-down sequence has been studied in order to improve the residual power evacuation and optimize necessary hydrogen amounts for cooling. Furthermore the {open_quote}{open_quote}SIMAPS{close_quote}{close_quote} computer program based on the 3D thermohydraulic code {open_quote}{open_quote}FLICA 4{close_quote}{close_quote} is being developed to analyze transient process and its benchmarking under nominal conditions is under way. Its summary presentation is given in conclusion. {copyright} {ital 1996 American Institute of Physics.}
- OSTI ID:
- 385487
- Report Number(s):
- CONF-960109-; ISSN 0094-243X; TRN: 96:026245
- Journal Information:
- AIP Conference Proceedings, Vol. 361, Issue 1; Conference: STAIF 96: space technology and applications international forum, Albuquerque, NM (United States), 7-11 Jan 1996; Other Information: PBD: Mar 1996
- Country of Publication:
- United States
- Language:
- English
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