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A modular approach to developing a large deployable reflectorNASA is currently exploring the feasibility of developing a large deployable reflector (LDR) astronomical facility to perform astrophysical studies in the mid 1990's in the IR and submillimeter portion of the spectrum. This paper examines a combination of automatic deployment and on-orbit assembly that may reduce the technological complexity and cost of the LDR system. Two Shuttle volume budget scenarios are examined to assess the potential of various technological tools to reduce the LDR system complexity. It is noted that the LDR design must be flexible and allow one subsystem to be modified without adversely affecting the entire system. One way to achieve this flexibility is a modular design approach (MDA) in which the major subsystems are physically separated during launch and assembled on orbit. NASA is defining a technology development plan for LDR that will identify the technology advances that are required. It is concluded that the MDA offers the flexibility to easily incorporate these advances into the design.
Document ID
19850040534
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Pittman, R.
(NASA Ames Research Center Moffett Field, CA, United States)
Leidich, C.
(NASA Ames Research Center Moffett Field, CA, United States)
Mascy, F.
(NASA Ames Research Center Moffett Field, CA, United States)
Swenson, B.
(NASA Ames Research Center Advanced Studies Office, Moffett Field, CA, United States)
Date Acquired
August 12, 2013
Publication Date
January 1, 1983
Subject Category
Astronautics (General)
Meeting Information
Meeting: Infrared technology IX
Location: San Diego, CA
Start Date: August 23, 1983
End Date: August 25, 1983
Sponsors: SPIE - International Society for Optical Engineering
Accession Number
85A22685
Distribution Limits
Public
Copyright
Other

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