Large Deployable Reflector (LDR) system concept and technology definition study. Volume 2: Technology assessment and technology development plan

Details Large Deployable Reflector (LDR) system concept and technology definition study. Volume 2: Technology assessment and technology development plan Large Deployable Reflector (LDR) system concept and technology definition study. Volume 2: Technology assessment and technology development plan

Apr 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989ekc..reptr....a&link_type=abstract

Final Technical Report Eastman Kodak Co., Rochester, NY. Government Systems Div.

Astronomy and Astrophysics

Astronomy

Large Deployable Reflector, Large Space Structures, Mirrors, Space Erectable Structures, Spaceborne Telescopes, Technology Assessment, Astronauts, Cryogenic Cooling, Infrared Astronomy, Orbital Assembly, Submillimeter Waves

Scientific paper

A study was conducted to define reasonable and representative LDR system concepts for the purpose of defining a technology development program aimed at providing the requisite technological capability necessary to start LDR development by the end of 1991. This volume presents thirteen technology assessments and technology development plans, as well as an overview and summary of the LDR concepts. Twenty-two proposed augmentation projects are described (selected from more than 30 candidates). The five LDR technology areas most in need of supplementary support are: cryogenic cooling; astronaut assembly of the optically precise LDR in space; active segmented primary mirror; dynamic structural control; and primary mirror contamination control. Three broad, time-phased, five-year programs were synthesized from the 22 projects, scheduled, and funding requirements estimated.

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