Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Deployment of Solar Sails by Joule Effect: Thermal Analysis and Experimental Results

Version 1 : Received: 26 November 2020 / Approved: 27 November 2020 / Online: 27 November 2020 (13:10:37 CET)

A peer-reviewed article of this Preprint also exists.

Bovesecchi, G.; Corasaniti, S.; Costanza, G.; Piferi, F.P.; Tata, M.E. Deployment of Solar Sails by Joule Effect: Thermal Analysis and Experimental Results. Aerospace 2020, 7, 180. Bovesecchi, G.; Corasaniti, S.; Costanza, G.; Piferi, F.P.; Tata, M.E. Deployment of Solar Sails by Joule Effect: Thermal Analysis and Experimental Results. Aerospace 2020, 7, 180.

Journal reference: Aerospace 2020, 7, 180
DOI: 10.3390/aerospace7120180

Abstract

Space vehicles may be propelled by solar sails exploiting the radiation pressure coming from the sun and applied on their surfaces. This work deals with the adoption of Shape-Memory Alloy (SMA) elements in the sail deployment mechanism activated by the Joule Effect, i.e. using the same SMA elements as a resistance within suitable designed electrical circuits. Mathematical models were analyzed for the thermal analysis by implementing algorithms for the evaluation of the temperature trend depending on the design parameters. Several solar sail prototypes were built up and tested with different number, size and arrangement of the SMA elements, as well as the type of the selected electrical circuit. The main parameters have been discussed in the tested configurations and advantages discussed as well.

Subject Areas

solar sail; aerospace; propulsion; mechanical systems; shape memory alloys; joule effect; thermal analysis.

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