Effects of more electric systems on fuel tank thermal behaviour

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dc.contributor.authorvan Heerden, Stevan
dc.contributor.authorJudt, David M.
dc.contributor.authorLawson, Craig
dc.contributor.authorBosak, David
dc.date.accessioned2019-05-08T11:56:55Z
dc.date.available2019-05-08T11:56:55Z
dc.date.issued2019-12-31
dc.description.abstractWith the advent of more electric airframe systems and ultra-high bypass ratio turbofan engines, there is growing interest in the associated thermal implications. In this research project, an aircraft level model that is appropriate to enable investigations into novel thermal management solution on future aircraft is developed. In this paper, an investigation into the effects of more electric systems on the thermal behaviour of fuel tanks in civil transport aircraft is presented.Specifically, the influence of the heat generated by conventional and more electric systems on the fuel tank was modelled and simulated. A fuel thermal model was developed, which consists of a tank geometry representation, coupled to a module that calculates remaining mission fuel mass. The systems architectures are represented by connected thermal component models. Standard approaches were then employed to estimate convection and conduction heat transfer coefficients at the tank interfaces. The model solves 1-D transient heat equations, coupling heat transfer and material heat capacity via heat flux balances. The thermal and systems models were integrated into a baseline aircraft performance model, which was used to dynamically simulate the tank thermal behaviour during representative missions. The initial results indicate that switching to more electric environmental control and iceprotection systems likely have negligible thermal impact on the bulk fuel temperature. However, some benefits may be obtained regarding safety and certification, but this requires further study.en_UK
dc.identifier.citationvan Heerden ASJ, Judt D, Lawson CP, Bosak D. (2019) Effects of more electric systems on fuel tank thermal behaviour. In: MEA 2019 More Electric Aircraft, Toulouse, 6-7 February 2019.en_UK
dc.identifier.urihttps://www.see.asso.fr/MEA2019
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/14140
dc.language.isoenen_UK
dc.publisherSociété de l'Electricité, de l'Electronique et des Technologies de l'Information et de la Communicationen_UK
dc.rightsAttribution-NonCommercial 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/*
dc.titleEffects of more electric systems on fuel tank thermal behaviouren_UK
dc.typeConference paperen_UK

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