DLR-Logo -> http://www.dlr.de
DLR Portal Home | Imprint | Privacy Policy | Contact | Deutsch
Fontsize: [-] Text [+]

The complex aerodynamic foot print of desert locusts revealed by large-volume tomographic PIV.

Henningsson, Per and Michaelis, Dirk and Nakata, Toshiyuki and Schanz, Daniel and Geisler, Reinhard and Schröder, Andreas and Bomphrey, Richard (2015) The complex aerodynamic foot print of desert locusts revealed by large-volume tomographic PIV. Journal of the Royal Society Interface, 12 (108), pp. 1-11. The Royal Society. doi: 10.1098/rsif.2015.0119. ISSN 1742-5689.

Full text not available from this repository.

Official URL: http://dx.doi.org/10.1098/rsif.2015.0119


Particle image velocimetry (PIV) has been the preferred experimental technique with which to study the aerodynamics of animal flight for over a decade. In that time, hardware has become more accessible and the software has progressed from the acquisition of planes through the flow field to the reconstruction of small volumetric measurements. Until now it has not been possible to capture large volumes that incorporate the full wavelength of the aerodynamic track left behind during a complete wingbeat cycle. Here we use a unique apparatus to acquire the first instantaneous wake volume of a flying animal’s entire wingbeat. We confirm the presence of wake deformation behind desert locusts and quantify the effect of that deformation on estimates of aerodynamic force and the efficiency of lift generation. We present previously undescribed vortex wake phenomena, including entrainment around the wing tip vortices of a set of secondary vortices borne of Kelvin-Helmholtz instability in the shear layer behind the flapping wings.

Item URL in elib:https://elib.dlr.de/95181/
Document Type:Article
Additional Information:http://rsif.royalsocietypublishing.org/, Paper: 20150119
Title:The complex aerodynamic foot print of desert locusts revealed by large-volume tomographic PIV.
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Henningsson, PerLund UniversityUNSPECIFIEDUNSPECIFIED
Michaelis, DirkLaVision, GöttingenUNSPECIFIEDUNSPECIFIED
Nakata, ToshiyukiRoyal Veterinary College, Structure & Motion LaboratoryUNSPECIFIEDUNSPECIFIED
Geisler, ReinhardUNSPECIFIEDhttps://orcid.org/0009-0006-8838-3713UNSPECIFIED
Schröder, AndreasUNSPECIFIEDhttps://orcid.org/0000-0002-6971-9262UNSPECIFIED
Bomphrey, RichardThe Royal Veterinary College, Structure & Motion Lab.UNSPECIFIEDUNSPECIFIED
Journal or Publication Title:Journal of the Royal Society Interface
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:Yes
Page Range:pp. 1-11
Publisher:The Royal Society
Keywords:aerodynamics, tomographic particle image velocimetry, desert locust, animal flight, wake deformation, span efficiency
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Simulation and Validation (old)
Location: Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Experimental Methods
Deposited By: Micknaus, Ilka
Deposited On:04 Jun 2015 16:17
Last Modified:04 Jul 2023 14:50

Repository Staff Only: item control page

Help & Contact
electronic library is running on EPrints 3.3.12
Website and database design: Copyright © German Aerospace Center (DLR). All rights reserved.