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- W2897711418 abstract "Future aircraft are envisioned to have significantly smaller noise footprint and emissions impactin order to satisfy the ambitious long-term aircraft noise and emissions goals set by several organisationsworldwide, for example ACARE and NASA. Distributed electric propulsion (DEP) isanticipated as one of the most suitable and efficient options for powering these aircraft. DEP isthe dispersion of thrust among multiple propulsors that are driven electrically rather than mechanically.This paper presents preliminary noise estimations for a civil aircraft that uses various DEParchitectures (e.g. different number of electric propulsors, powered by either batteries or gas turbineengines), obtained through a new noise estimation framework that estimates noise variationsarising from technological and/or operational changes with respect to a baseline scenario, wherethe noise levels are known. The aim of the paper is therefore twofold; investigate the possiblenoise benefits of DEP aircraft, whilst on the other hand demonstrate the core methodology andcapabilities of our framework for estimating the noise impact of future aircraft concepts. Thispreliminary study indicates the framework’s potential in correctly capturing trends." @default.
- W2897711418 created "2018-10-26" @default.
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- W2897711418 date "2017-07-23" @default.
- W2897711418 modified "2023-09-26" @default.
- W2897711418 title "Noise assessment of aircraft with distributed electric propulsion using a new noise estimation framework" @default.
- W2897711418 hasPublicationYear "2017" @default.
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