Effect of asymmetric feathering angle on the aerodynamic performance of a flyable bionic flapping-wing rotor

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dc.contributor.authorChen, Si
dc.contributor.authorWang, Le
dc.contributor.authorGuo, Shijun
dc.contributor.authorTong, Mingbo
dc.contributor.authorHe, Yuanyuan
dc.date.accessioned2023-03-31T12:50:07Z
dc.date.available2023-03-31T12:50:07Z
dc.date.issued2023-03-18
dc.description.abstractThe current study involves an experimental as well as numerical study on the aerodynamic behavior of a flapping-wing rotor (FWR) with different feathering amplitudes (−20°–50°, −50°–20°, and −35°–35°). In order to fulfil the experimental test, an FWR which weighs 18.7 g is designed in this manuscript. According to the experimental and numerical results, it was observed that, compared with the cases under a zero average stroke angle, the cases under a positive average stroke angle or negative average stroke angle share a higher rotary speed given the same input voltage. Despite the fact that the negative average stroke angle would facilitate the generation of a higher rotary speed, the negative average stroke angle cases tend to generate the smallest lift-to-power ratio. On the other hand, the cases with a positive average stroke angle tend to share the largest lift-to-power ratio (about 1.25 times those of zero average stroke angle cases and about 1.6 times those of negative average stroke angle cases). The above study indicates that the application of a positive average stroke angle can provide an effective solution to further increase the aerodynamic performance of a bio-inspired FWR.en_UK
dc.identifier.citationChen S, Wang L, Guo S, et at., (2023) Effect of asymmetric feathering angle on the aerodynamic performance of a flyable bionic flapping-wing rotor. Applied Sciences, Volume 13, Issue 6, March 2023, Article number 3884en_UK
dc.identifier.issn2076-3417
dc.identifier.urihttps://doi.org/10.3390/app13063884
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/19390
dc.language.isoenen_UK
dc.publisherMDPIen_UK
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectbio-inspired robotsen_UK
dc.subjectasymmetric feathering amplitudeen_UK
dc.subjectflapping-wing rotoren_UK
dc.subjectlift efficiencyen_UK
dc.titleEffect of asymmetric feathering angle on the aerodynamic performance of a flyable bionic flapping-wing rotoren_UK
dc.typeArticleen_UK

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