Acoustic characteristics of a multi-rotor MAV and its noise reduction technology

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dc.contributor.authorLu, Zhenbo
dc.contributor.authorDebiasi, Marco
dc.contributor.authorKhoo, Boo Cheong
dc.date.accessioned2018-10-02T15:44:34Z
dc.date.available2018-10-02T15:44:34Z
dc.date.issued2016-08-21
dc.description.abstractThe present paper is devoted to identify the acoustic characteristic of a multi-rotor MAV, and then explore effective noise reduction technologies for suppressing its high-level noise. It is found that the noise is mainly generated by the high-speed rotating propellers. Surrounding engine rotors with ducts designed to absorb their acoustic emissions is one of the methods typically used for reducing their noise. Thus two duct configurations, with non-perforated internal wall and with micro-perforated internal wall with back cavity, are designed, fabricated using 3D printing, and tested on a multi-rotor MAV. The acoustic performance of these ducts for achieving a quieter flying multi-rotor MAV are analyzed and discussed.en_UK
dc.identifier.citationZhenbo Lu, Marco Debiasi and Boo Cheong Khoo. Acoustic characteristics of a multi-rotor MAV and its noise reduction technology. 45th International Congress and Exposition on Noise Control Engineering, INTER-NOISE and NOISE-CON Congress and Conference Proceedings, InterNoise16. 21-24 August 2016, Hamburg, Germany, pp. 393-403en_UK
dc.identifier.issn0736-2935
dc.identifier.urihttp://www.ingentaconnect.com/content/ince/incecp/2016/00000253/00000008/art00043#expand/collapse
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/13505
dc.language.isoenen_UK
dc.publisherInstitute of Noise Control Engineeringen_UK
dc.rightsAttribution-NonCommercial 4.0 International
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/
dc.subjectmulti-rotor MAVen_UK
dc.subjectpropeller noiseen_UK
dc.subjectducted propelleren_UK
dc.subjectmicro-perforateden_UK
dc.subjectTransmission I-INCEen_UK
dc.titleAcoustic characteristics of a multi-rotor MAV and its noise reduction technologyen_UK
dc.typeConference paperen_UK

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