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Bistable Over the Whole Length (BOWL) CFRP Booms for Solar Sails

Fernandez, Juan M., Viquerat, AD, Lappas, Vaios J. and Daton-Lovett, Andrew J. (2014) Bistable Over the Whole Length (BOWL) CFRP Booms for Solar Sails In: The Third International Symposium on Solar Sailing, 2013-06-11 - 2015-09-13, Glasgow, Scotland, UK.

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This paper presents novel ultra-light booms for solar sails and other large deployable space structures. These CFRP booms have a unique property: bistability over the whole length (BOWL), which enables simple and compact deployment mechanism designs that can reduce overall system mass. They were produced to solve some of the previously encountered problems with bistable composite tubular booms that reduced their optimal length and scalability due to local buckling phenomena when the diameter of the coil increased. A new low-cost manufacturing technique, which consists of using braids with a variable angle change over the boom length, was found to have a positive effect in reducing that tendency. An analytical model is used to explain this behavior and predict the secondary stable state properties and natural diameter of the coiled/packed boom. A 3.6 m tape spring version of these bistable CFRP booms has been designed for a 25 m2 Gossamer Sail Deorbiter of future space assets and is being considered for an upcoming solar sail demonstration mission called CubeSail. Larger booms are being designed for a new scalable roll-up solar array concept.

Item Type: Conference or Workshop Item (Conference Paper)
Divisions : Faculty of Engineering and Physical Sciences > Mechanical Engineering Sciences
Authors :
Fernandez, Juan M.
Lappas, Vaios J.
Daton-Lovett, Andrew J.
Editors :
Macdonald, M.
Date : 4 February 2014
DOI : 10.1007/978-3-642-34907-2_38
Copyright Disclaimer : © Springer-Verlag Berlin Heidelberg 2014
Related URLs :
Additional Information : Part of the Springer Praxis Books book series (PRAXIS)
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:44
Last Modified : 16 Jan 2019 18:48

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