Computer Science – Performance
Scientific paper
Jan 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002iaf..confe.258g&link_type=abstract
IAF abstracts, 34th COSPAR Scientific Assembly, The Second World Space Congress, held 10-19 October, 2002 in Houston, TX, USA.,
Computer Science
Performance
Scientific paper
Reusable Launch Vehicles (RLVs) are seen as one step toward inexpensive space transportation. The Japanese Government considers a Two-Stage-To-Orbit Vehicle, called NAL Spaceplane, as a potential future RLV. The system has a total launch mass of 193 Mg and the orbiter's payload capability is 8 Mg for LEO (300km) launched from Christmas Island. This study examining the economical performance of the NAL Spaceplane concept. To obtain relevant information, a multi-vehicle space carrier fleet cost model, called TRASIM, is used. For comparison and verification of the results, the Space Shuttle, which is the only existing partially reusable launch vehicle in operation, is simulated in parallel.For the scenario it is assumed that development phase is 12 years while operation phase is 50 years. As one result, the Total Cost per Flight (CpF) for the NAL Spaceplane is estimated to 40 million (2001), while the Total CpF for the Space Shuttle is about 480 million (2001). KEYWORDS: Cost Engineering, Life-Cycle Cost, NAL Spaceplane, Space Shuttle, TRASIM GRAPHICAL PRESENTATION (draft): Vehicle Introduction: Simulation: Results: Fazit:
Goehlich Robert A.
Koelle Hermann H.
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