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dc.contributor.authorSmith, Tim
dc.contributor.authorBingham, Chris
dc.contributor.authorStewart, Paul
dc.contributor.authorAllarton, R.
dc.contributor.authorStewart, Jill
dc.date.accessioned2016-08-25T11:13:47Z
dc.date.available2016-08-25T11:13:47Z
dc.date.issued2013-01-09en
dc.identifier.citationEnergy harvesting and power network architectures for the multibody advanced airship for transport high altitude cruiser-feeder airship concept 2013, 227 (4):586 Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineeringen
dc.identifier.issn0954-4100en
dc.identifier.issn2041-3025en
dc.identifier.doi10.1177/0954410012469319en
dc.identifier.urihttp://hdl.handle.net/10545/618805en
dc.description.abstractThis article presents results of preliminary investigations in the development of a new class of airship. Specific focus is given to photo-electric harvesting as a primary energy source, power architectures and energy audits for life support, propulsion and ancillary loads to support the continuous daily operation of the primary airship (cruiser) at stratospheric altitudes (similar to 15 km). The results are being used to drive the requirements of the FP7 multibody advanced airship for transport programme, which is to globally transport both passengers and freight using a 'feeder-cruiser' concept. It is shown that there is a potential trade off to traditional cost and size limits and, although potentially very complex, a first-order approximation is used to demonstrate sensitivities to the economics of the lifting gas. This presented concept is substantially different to those of conventional aircraft due to the airship size and the inherent requirement to harvest and store sufficient energy during 'daylight' operation to guarantee safe operation during 'dark hours'. This is particularly apparent when the sizing of the proposed electrolyser is considered, as its size and mass increases nonlinearly with decreasing daylight duty. The study also considers the integration of photovoltaics with various electrical architectures, in safety critical environments. A mass audit is also included that shows that if the electrolyser was omitted in such systems, the overall impact will be small compared to structural and propulsion masses. It should be noted that although the technology bias is application specific, the underlying principles are much widely applicable to other energy harvesting and power management sectors.
dc.description.sponsorshipThis work was supported by the European Union’s SeventhFramework Programme [Grant Agreement 285602] on Multibody Advanced Airship forTransport MAAT Project (Seventh Framework Programme, Theme 7 Transport including Aeronautics)en
dc.language.isoenen
dc.publisherInstitution of Mechanical Engineersen
dc.relation.urlhttp://pig.sagepub.com/lookup/doi/10.1177/0954410012469319en
dc.rightsArchived with thanks to Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineeringen
dc.subjectAirshipen
dc.subjectRenewable Energyen
dc.titleEnergy harvesting and power network architectures for the multibody advanced airship for transport high altitude cruiser-feeder airship concepten
dc.typeArticleen
dc.contributor.departmentUniversity of Lincolnen
dc.identifier.journalProceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineeringen
html.description.abstractThis article presents results of preliminary investigations in the development of a new class of airship. Specific focus is given to photo-electric harvesting as a primary energy source, power architectures and energy audits for life support, propulsion and ancillary loads to support the continuous daily operation of the primary airship (cruiser) at stratospheric altitudes (similar to 15 km). The results are being used to drive the requirements of the FP7 multibody advanced airship for transport programme, which is to globally transport both passengers and freight using a 'feeder-cruiser' concept. It is shown that there is a potential trade off to traditional cost and size limits and, although potentially very complex, a first-order approximation is used to demonstrate sensitivities to the economics of the lifting gas. This presented concept is substantially different to those of conventional aircraft due to the airship size and the inherent requirement to harvest and store sufficient energy during 'daylight' operation to guarantee safe operation during 'dark hours'. This is particularly apparent when the sizing of the proposed electrolyser is considered, as its size and mass increases nonlinearly with decreasing daylight duty. The study also considers the integration of photovoltaics with various electrical architectures, in safety critical environments. A mass audit is also included that shows that if the electrolyser was omitted in such systems, the overall impact will be small compared to structural and propulsion masses. It should be noted that although the technology bias is application specific, the underlying principles are much widely applicable to other energy harvesting and power management sectors.


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