The Deployment of Curved Closed Tubes

[+] Author and Article Information
G. Greschik, K. C. Park

Department of Aerospace Engineering Sciences and Center for Aerospace Structures, Campus Box 429, University of Colorado, Boulder, CO 80309-0429

J. Mech. Des 118(3), 337-339 (Sep 01, 1996) (3 pages) doi:10.1115/1.2826889 History: Received July 01, 1995; Revised April 01, 1996; Online December 11, 2007


A critical review of previous work on the unfurling of helically curved tubes (Greschik et al, 1994, 1996) is conducted, which leads to the proposition of a continuous and smooth deployment concept akin to the Collapsible Tube Mast (Aguirre, 1985) for curved tubes. This involves the collapse of the cross section and the subsequent roll-up of its halves one upon the other onto a storage drum. The concept’s applicability to closed tubes is investigated and a method for the alleviation of the deleterious membrane strains in the stowed state is proposed.

Copyright © 1996 by The American Society of Mechanical Engineers
Topics: Collapse , Membranes , Storage
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