Aerodynamic performance of the locust wing in gliding mode at low Reynolds number

Xiang, Jiawei; Du, Jun; Li, Daochun; Liu, Kai

doi:10.1016/s1672-6529(16)60298-6

Cited by 32 publications

(28 citation statements)

References 36 publications

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“…Its potential contribution to aerodynamic lift and drag production, by contrast, is less clear and apparently depends on the chosen approach for analysis. The majority of previously published studies used numerical or physical wing models at various Reynolds numbers for analysis and reported that wing corrugation either improves aerodynamic performance [ 56 , 58 , 65 , 66 , 118 , 135 , 136 , 137 ] or attenuates performance [ 56 , 59 , 65 , 66 , 134 , 137 , 138 , 139 ]. Other studies that reported little or no effect of corrugation on wing performance in beetles [ 55 ], dragonflies [ 140 ], bumblebees [ 141 ], hoverflies [ 142 ], and fruit flies [ 50 ] at Reynolds numbers between 35 and 34,000.…”

Section: Functional Relevance Of Three-dimensional Wing Shapementioning

confidence: 99%

Wing Design in Flies: Properties and Aerodynamic Function

Krishna

Cho

Wehmann

et al. 2020

Insects

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The shape and function of insect wings tremendously vary between insect species. This review is engaged in how wing design determines the aerodynamic mechanisms with which wings produce an air momentum for body weight support and flight control. We work out the tradeoffs associated with aerodynamic key parameters such as vortex development and lift production, and link the various components of wing structure to flight power requirements and propulsion efficiency. A comparison between rectangular, ideal-shaped and natural-shaped wings shows the benefits and detriments of various wing shapes for gliding and flapping flight. The review expands on the function of three-dimensional wing structure, on the specific role of wing corrugation for vortex trapping and lift enhancement, and on the aerodynamic significance of wing flexibility for flight and body posture control. The presented comparison is mainly concerned with wings of flies because these animals serve as model systems for both sensorimotor integration and aerial propulsion in several areas of biology and engineering.

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Section: Functional Relevance Of Three-dimensional Wing Shapementioning

confidence: 99%

Wing Design in Flies: Properties and Aerodynamic Function

Krishna

Cho

Wehmann

et al. 2020

Insects

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“…From great achievements of these years [3,[10][11][12][13][14][15][16][17], it can be seen that the obtained kinematic data of insect wings provide firsthand information and theoretical guidance for the numerical simulation of flapping-wing flight, and promote the development and innovative design of MAV. Cyrtotrachelus buqueti, one of the large insects, whose body weight is about 3-5 g and wing span is about 100-120 mm, has strong flight ability and extremely flexible manoeuvrability.…”

Section: Introductionmentioning

confidence: 99%

Wing‐kinematics measurement and flight modelling of the bamboo weevilC. buqueti

Guo

2019

IET nanobiotechnol.

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Insects are one of the most agile flyers in nature, and studying the kinematics of their wings can provide important data for the design of insect-like wing-flapping micro aerial vehicles. This study integrates high-speed photogrammetry and three-dimensional (3D) force measurement system to explore the kinematics of Cyrtotrachelus buqueti during the wing-flapping flight. The tracking point at the wing tip of the hind wing was recorded using high-speed videography. The lift-thrust force characteristic of wing-flapping motion was obtained by the 3D force sensor. Quantitative measurements of wing kinematics show that the wing-flapping pattern of the hind wing of C. buqueti was revealed as a double figure-eight trajectory. The kinematic modelling of the wing-flapping pattern was then established by converting the flapping motion into rotational motion about the pivoting wing base in the reference coordinate system. Moreover, the lift force generated by C. buqueti during the wing-flapping flight is sufficient to support its body weight without the need to use thrust force to compensate for the lack of lift force.

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“…Flapping foils find applications in wind energy harvesting as well as anthropogenic flyers like Pico Aerial Vehicles (PAVs). Studies on aerodynamics of flapping wing with different wing kinematics [1][2][3], wing geometry [4], modes of flight like hovering [5], ascending [6], descending [7], forward flight [8], gliding [9], manoeuvres [10],tandem wing-to-wing positions and kinematics [11] are available in literature. Aero-elastic studies of deforming flapping wings and aero-acoustics have also been reported [12][13][14][15][16].…”

Section: Introductionmentioning

confidence: 99%

Recurrence studies of insect-sized flapping wings in inclined-stroke plane under gusty conditions

Mathur

Vengadesan

2019

Sādhanā

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Global recurrence plots (GRPs) and windowed recurrence quantification analysis (WRQA) are two recurrence paradigms which find wide applications to detect the onset of instability in a dynamic system. The present work reports the attempt to employ these recurrence paradigms to assess the effect of frontal gust on the force patterns of an insect-sized flapping wing in the inclined-stroke plane. Horizontal and vertical forces generated by the flapping wing in the presence of gusts of the form u G u w ¼ u 1 u w þ u g u w sin 2p f g f w t were numerically estimated in the 2D reference frame for Re = 150. Nine gusts with combinations of the ratio of gust frequency to wing's flapping frequency, f g /f w = 0.1, 0.5 and 1 and ratio of gust velocity amplitude to root mean square averaged flapping velocity, u g /u w = 0.1, 0.5 and 1 were considered. Recurrence studies of the forces were carried out to find out the gusty condition, which would trigger an onset of unstable behaviour. Studies indicated a possible onset of instability in the force patterns for gust with f g /f w = 0.1 and u g /u w = 1. The onset of unstable behaviour was prominently captured by WRQA of the vertical force coefficient based on determinism (DET) and laminarity (LAM) series.

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Aerodynamic performance of the locust wing in gliding mode at low Reynolds number

Cited by 32 publications

References 36 publications

Wing Design in Flies: Properties and Aerodynamic Function

Wing Design in Flies: Properties and Aerodynamic Function

Wing‐kinematics measurement and flight modelling of the bamboo weevilC. buqueti

Recurrence studies of insect-sized flapping wings in inclined-stroke plane under gusty conditions

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