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Experimental quantification and numerical simulation of unsteady flow conditions during free flight maneuvers of insects

Shishkin, Andrei and Schützner, Peter and Wagner, Claus and Lehmann, Fritz-Olaf (2012) Experimental quantification and numerical simulation of unsteady flow conditions during free flight maneuvers of insects. In: Notes on numerical fluid mechanics and multidiscipliunary design, Vol. 1. Springer-Verlag Berlin Heidelberg. pp. 81-99. ISBN 978-3-642-28301-7. ISSN 1612-2909

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Abstract

This study aimed to numerically simulate aerodynamic forces produced by wing motion of small fruit flies maneuvering freely inside a flight chamber. The kinematic data were derived from high-resolution, high-speed video measurements, tracking fluorescent markers on head, body and wings of the animal. We constructed a geometrical model of the fly and applied the kinematic data to simulate the free flight. Based on the calculated velocity and pressure fields, we evaluated vorticity and flight forces. Our numerical simulation confirmed experimentally predicted lift enhancing mechanisms such as the leading edge vortex, rotational circulation and wake capture, and thus appears to be a potent tool to study the impact of body motion on forces and moments during the various forms of flight maneuvers.

Item URL in elib:https://elib.dlr.de/75158/
Document Type:Contribution to a Collection
Title:Experimental quantification and numerical simulation of unsteady flow conditions during free flight maneuvers of insects
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Shishkin, AndreiUNSPECIFIEDUNSPECIFIED
Schützner, PeterUniversity of UlmUNSPECIFIED
Wagner, ClausUNSPECIFIEDUNSPECIFIED
Lehmann, Fritz-OlafUniversity of UlmUNSPECIFIED
Date:February 2012
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Volume:Vol. 1
DOI :10.1007/978-3-642-28302-4
Page Range:pp. 81-99
Editors:
EditorsEmail
Tropea, CameronTU Darmstadt
Bleckmann, HorstUni Bonn
Publisher:Springer-Verlag Berlin Heidelberg
Series Name:Notes on numerical fluid mechanics and multidiscipliunary design
ISSN:1612-2909
ISBN:978-3-642-28301-7
Status:Published
Keywords:insect free-flight, direct numerical simulation
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research (old)
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Simulation & Validation (old)
Location: Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Fluid Systems
Deposited By: Shishkin, Dr. Andrey
Deposited On:28 Mar 2012 16:26
Last Modified:31 Jul 2019 19:35

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