The US - European Cooperation in the X-38 and CRV Programs

Details The US - European Cooperation in the X-38 and CRV Programs The US - European Cooperation in the X-38 and CRV Programs

Jan 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002iaf..confe.945s&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

Scientific paper

The European participation in the US X-38 program was initiated in 1997 and is realized by contributions from two European programs, by ESA's "Applied Reentry Technology Program", (ARTP) and the German/DLR "Technologies for Future Space Transportation Systems" (TETRA) program. The space agencies of USA, Europe and Germany have established two Memoranda of Understanding - NASA-ESA and NASA-DLR - for the European participation in the X-38 Program to deliver flight hard- and software in exchange to a re-entry flight opportunity with Vehicle 201 (V201). By October 2002 all European contributions to V201 of the X-38 program will be delivered to NASA JSC. Vehicle 201 represents the orbital test vehicle of the experimental vehicle family, developed and built from 1996 onwards by NASA at Johnson Space Center, JSC in Houston. The X-38 Program was initiated by NASA to prepare and develop the Crew Return Vehicle (CRV) with Vehicle 201 as prototype. NASA conducts the overall X-38 vehicle system engineering and integration, intended to provide the launch of the vehicle 201 with the Space Shuttle and will deliver flight data for post-flight analysis and assessment to DLR and ESA. The German national project TETRA (Technologies for future Space Transportation Systems) and the European ARTP (Applied Re-entry Technology Programme) are providing engineering support for design, analysis, system engineering and layout as well as delivering essential flight hard- and software: CMC Body flaps and CMC nose assembly from TETRA; rudders, CMC leading edges, landing gears and major elements of the V201 primary structure from ARTP. Since both programmes contribute in cooperation the major part of the aerodynamic database is generated, the flexible external insulation is developed and manufactured, and advanced sensors and data acquisition systems are built. The parts for V201 have been developed, fulfill the requirements, are qualified for flight and they are in the process of being integrated on the vehicle X- 38 V201. There will be no exchange of funds since the delivery of contributions and the flight opportunity are parts of a barter agreement. Presently NASA is assembling the vehicle's structure in preparation of the structural vehicle test in 2002. In the following period all major subsystems will be included and checked out before the envisaged orbital test flight of V201. The Shuttle Columbia will set it free in orbit and after an autonomous reentry flight it is proposed to glide towards Australia, hanging on the largest parafoil ever been built (7.500 square feet). Parallel to the final installation of all flight systems in V201, it was foreseen to develop the CRV using most of the systems of V201, provided the critical cost situation on the International Space Station can be solved. In this case the CRV would be used from about 2008/2009 as `ambulance - lifeboat' and/or as `return vehicle' for the crew of the International Space Station. Manifold contributions from European companies could be provided for the CRV: All in all this paper will give an overview about the programs X-38, CRV, TETRA and ARTP, as well as an overview about the status of the development of flight hard- and software for the reusable vehicle X-38 V201. *)CMC Ceramic Matrix Composites

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