Nasa's Advanced Solar Sail Propulsion System for Low-Cost Deep Space Exploration and Science Missions That Use High Performance Rollable Composite...

Nasa's Advanced Solar Sail Propulsion System for Low-Cost Deep Space Exploration and Science Missions That Use High Performance Rollable Composite...
ISBN-10
1794439951
ISBN-13
9781794439955
Category
Science
Pages
26
Language
English
Published
2019-01-22
Publisher
Independently Published
Author
National Aeronautics and Space Adm Nasa

Description

Several low-cost solar sail technology demonstrator missions are under development in the United States. However, the mass saving derived benefits that composites can offer to such a mass critical spacecraft architecture have not been realized yet. This is due to the lack of suitable composite booms that can fit inside CubeSat platforms and ultimately be readily scalable to much larger sizes, where they can fully optimize their use. With this aim, a new effort focused at developing scalable rollable composite booms for solar sails and other deployable structures has begun. Seven meter booms used to deploy a 90 m2 class solar sail that can fit inside a 6U CubeSat have already been developed. The NASA road map to low-cost solar sail capability demonstration envisioned, consists of increasing the size of these composite booms to enable sailcrafts with a reflective area of up to 2000 m2 housed aboard small satellite platforms. This paper presents a solar sail system initially conceived to serve as a risk reduction alternative to Near Earth Asteroid (NEA) Scout's baseline design but that has recently been slightly redesigned and proposed for follow-on missions. The features of the booms and various deployment mechanisms for the booms and sail, as well as ground support equipment used during testing, are introduced. The results of structural analyses predict the performance of the system under microgravity conditions. Finally, the results of the functional and environmental testing campaign carried out are shown. Fernandez, Juan M. and Rose, Geoffrey K. and Younger, Casey J. and Dean, Gregory D. and Warren, Jerry E. and Stohlman, Olive R. and Wilkie, W. Keats Langley Research Center NF1676L-25177

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