Overview of the Development Progress of the Ariane 5 Upper Stage VINCI Engine

Details Overview of the Development Progress of the Ariane 5 Upper Stage VINCI Engine Overview of the Development Progress of the Ariane 5 Upper Stage VINCI Engine

Jan 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002iaf..confe.773a&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

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Scientific paper

The purpose of this paper is to present the major results of the VINCI engine development program at mid-2002. The VINCI engine will power the Ariane 5 ESC-B upper stage and will contribute to provide a 12 t payload capability in geo-stationary transfer orbit to the Ariane 5 launch system. It will also provide a multiple firing capability and therefore the potential to perform a broad array of missions. The VINCI engine is a cryogenic expander cycle engine combining the required features of this cycle, i.e. high performance chamber cooling and high performance hydrogen turbopump, with proven design concepts based on the accumulated experience from previous European cryogenic engines such as the HM7 and the Vulcain. High performance along with a constant focus on reliability, low cost and simplicity of architecture are the design goals of the VINCI program. The proposed paper will recall how the engine design choices were made taking into account these sometimes potentially conflicting criteria and using design to cost methods. The paper will also present the major achievements of the program over the 2001 - 2002 period, i.e. the completion of the engine detailed design, the manufacturing of the first subsystems, the first component and subsystem tests.

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