Computer Science – Performance
Scientific paper
Jan 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002iaf..confe.949r&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
Future generations Reusable Launch Vehicles (RLV) need to be developed through an extensive use of flight demonstration. The focus of the Italian USV Program is on flight demonstration of a specific set of technologies and efficient, cost-effective operations rather than full-scale vehicle system development of a production, mission-sized vehicle. As a consequence, the approach emphasizes sub-scale, unmanned, autonomous flying laboratories used to test technology advancements at reduced cost and risk. The USV Program has been identified based on the belief that in the long run space access and re-entry will be guaranteed by aviation-like vehicles (sometime called aerospaceplanes). Among others not less important, such vehicles will require innovation and maturation in three main areas: atmospheric re-entry, reusability, hypersonic flight. USV includes thus technology developments along these three directions, up to their validation either on ground and on board Flying Test Beds. Taking into account the experience gained since many years in US, Japan and Europe, and assuming as reference scenario the one actually considered as the most probable as next generations RLVs, USV indicated in a two-stage- system experimental vehicle the best compromise between vehicle performance, test objectives and program costs. This system is considered at CIRA as either the obvious flying complement to the available on-ground facilities (e.g. the 70 MW Plasma Wind Tunnel known as SCIROCCO), and the necessary system focus for the coherent development of specific technologies. The principal guidelines for the design of USV have been defined as: The first flight experiment is planned for summer 2003 and will consist of a Dropped Transonic Flight Test (DTFT). In preparation of it, some simple scaled flight experiments are planned for summer 2002. The paper will report about the results of these preliminary flight experiments as well as about the status of development of the entire program.
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