At scale, experimental capture of electrical response of carbon fibre composites to inform integrated electrical power and structural systems

Jones, Catherine E. and Johny, Jeffy and Norman, Patrick and Burt, Graeme (2022) At scale, experimental capture of electrical response of carbon fibre composites to inform integrated electrical power and structural systems. In: Towards Sustainable Aviation Summit 2022, 3AF, 2022-10-18 - 2022-10-20, Centre de Congrès Pierre Baudis.

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Abstract

The electrification of aircraft systems and the light weighting of aero-structures using carbon fibre reinforced polymers (CFRP) are two key enabling technologies supporting the decarbonisation of flight. Close physical integration of the electrical and structural systems offers an opportunity to optimise the combined system weight and volume, and optimise system performance. In such integrated structural systems, electrical current may flow through the CFRP under faulted conditions to reach the current return network. A major barrier to their design is the poorly understood low frequency (CFRP. This paper presents the extrapolation of the response of CFRP to higher currents, including investigation of power dissipation levels and the time taken to reach key threshold temperatures linked to the thermal degradation of CFRP. These results inform design criteria for integrated systems and dual use materials to enable the adaption of CFRP to handle return currents.

ORCID iDs

Jones, Catherine E. ORCID logoORCID: https://orcid.org/0000-0001-7524-5756, Johny, Jeffy, Norman, Patrick ORCID logoORCID: https://orcid.org/0000-0001-5577-1281 and Burt, Graeme ORCID logoORCID: https://orcid.org/0000-0002-0315-5919;
CORE (COnnecting REpositories)