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Cited by 26 publications
(36 citation statements)
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“…These forces are also difficult to quantify because the wing-wake interactions inevitably alter fluid velocities and coherent structures in the wake. Many vortex wake studies rely on particle image velocimetry (PIV) to obtain measurements of these velocity fields, and are thus unable to isolate the aerodynamic effect that the wake interactions have on the flying animal (Bomphrey, 2012).…”
Section: Wing-wake Interactionmentioning
confidence: 99%
See 2 more Smart Citations
“…These forces are also difficult to quantify because the wing-wake interactions inevitably alter fluid velocities and coherent structures in the wake. Many vortex wake studies rely on particle image velocimetry (PIV) to obtain measurements of these velocity fields, and are thus unable to isolate the aerodynamic effect that the wake interactions have on the flying animal (Bomphrey, 2012).…”
Section: Wing-wake Interactionmentioning
confidence: 99%
“…However, thrust is often overestimated if the wake is not thin, as is the case for hovering birds (Minotti, 2011). The PIV plane may also be an imperfect representation of the flow because of wake deformations that occur in time and space (Bomphrey, 2012). Additionally, accounting only for vortex forces results in errors due to the omission of fluid acceleration around the wing.…”
Section: Quasi-steady Modelmentioning
confidence: 99%
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“…repetition rate, coupled with the high wingbeat frequency of the study animals, time-resolved reconstructions of wakes have only been possible for the past few years [22]. Among flying animals, insects tend to have among the highest wingbeat frequencies and, to date, only one previous study has shown time-resolved wake measurements using a PIV system with a repetition rate of 1 kHz [9].…”
Section: Simplifying the Complexity Of Animal Wakesmentioning
confidence: 99%
“…Optical measurements are used for localisation in a number of fields, and include particle image velocimetry methods (Bomphrey, 2012;Hubel et al, 2009), passive marker stereophotogrammetric systems such as Qualisys, and multi-camera stereoscopic reconstruction techniques (Theriault et al, 2014;Hedrick, 2008). In each method, the volume within which the measurements are made must be carefully calibrated and cameras must remain in fixed positions (Hedrick, 2008).…”
Section: Introductionmentioning
confidence: 99%