Satelitte multifunctional power structure: feasibility and mass savings
Roberts, S.C. and Aglietti, G.S. (2008) Satelitte multifunctional power structure: feasibility and mass savings. Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, 222, (1), 41-51. (doi:10.1243/09544100JAERO255).
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A multi-functional structure saves mass from a spacecraft by incorporating other functional subsystems into the structure. By using the structural properties of a non-structural element, inert structure may be eliminated, and the requirement to allot internal volume to the subsystem in question is removed.
The current paper describes a multi-functional structure based on the secondary power system. By using commercially available plastic lithium-ion cells to form the core of a sandwich panel, inert mass is eliminated from both the structure and from the battery enclosure. The feasibility of the proposed multi-functional structure is demonstrated though vibration testing on a single cell, and the successful manufacture of a test panel.
The work goes on to quantify the potential mass savings that may be achieved by using a multi-functional structure of this type. By varying a set of spacecraft attributes, the study identifies that small spacecraft with high power requirements have the potential to gain the most benefit from using a multi-functional structure of this type.
|Keywords:||multi-functional structures, spacecraft structures, spacecraft power systems|
|Subjects:||T Technology > TS Manufactures
T Technology > TL Motor vehicles. Aeronautics. Astronautics
|Divisions:||University Structure - Pre August 2011 > School of Engineering Sciences > Astronautics
|Date Deposited:||30 Jan 2009|
|Last Modified:||06 Aug 2015 02:52|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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