Feasibility of a helium closed-cycle gas turbine for UAV propulsion

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dc.contributor.authorOsigwe, Emmanuel O.
dc.contributor.authorGad-Briggs, Arnold
dc.contributor.authorNikolaidis, Theoklis
dc.date.accessioned2021-01-04T15:02:40Z
dc.date.available2021-01-04T15:02:40Z
dc.date.issued2020-12-22
dc.description.abstractWhen selecting a design for an unmanned aerial vehicle, the choice of the propulsion system is vital in terms of mission requirements, sustainability, usability, noise, controllability, reliability and technology readiness level (TRL). This study analyses the various propulsion systems used in unmanned aerial vehicles (UAVs), paying particular focus on the closed-cycle propulsion systems. The study also investigates the feasibility of using helium closed-cycle gas turbines for UAV propulsion, highlighting the merits and demerits of helium closed-cycle gas turbines. Some of the advantages mentioned include high payload, low noise and high altitude mission ability; while the major drawbacks include a heat sink, nuclear hazard radiation and the shield weight. A preliminary assessment of the cycle showed that a pressure ratio of 4, turbine entry temperature (TET) of 800 °C and mass flow of 50 kg/s could be used to achieve a lightweight helium closed-cycle gas turbine design for UAV mission considering component design constraints.en_UK
dc.identifier.citationOsigwe EO, Gad-Briggs A, Nikolaidis T. (2020) Feasibility of a helium closed-cycle gas turbine for UAV propulsion, Applied Sciences, Volume 11, Issue 1, December 2020, Article number 28en_UK
dc.identifier.issn2076-3417
dc.identifier.urihttps://doi.org/10.3390/app11010028
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/16108
dc.language.isoenen_UK
dc.publisherMDPIen_UK
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectUAVen_UK
dc.subjectpropulsion systemen_UK
dc.subjectclosed-cycle enginesen_UK
dc.subjectgas turbinesen_UK
dc.subjectmission requirementen_UK
dc.titleFeasibility of a helium closed-cycle gas turbine for UAV propulsionen_UK
dc.typeArticleen_UK

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