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Experimental Flow Field Investigations for ‚MICRO AIR VEHICLES‘ in Flapping Motion

Hauke, Ehlers (2012) Experimental Flow Field Investigations for ‚MICRO AIR VEHICLES‘ in Flapping Motion. ODAS 2012, 04. - 06. Jun. 2012, Brauschweig, Germany.

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Abstract

Accompanying the growing interest in Micro Air Vehicles (MAV) over recent decades investigations for flapping flight of birds and insects have been increased. Although up until the present many basic phenomena have been explored and are understood, there are nevertheless still many unanswered questions. The present paper discusses first results of a measurement campaign for investigating flapping flight in more detail. The results presented refer to flow field measurements using Particle Image Velocimetry (PIV) applied in span-wise distributed planes on the upper side and wake of specially designed MAV models. The spatial flow topology and the interaction of vortex structures are shown. Special attention is paid to the differences between two types of motion: pure plunge and a combination of plunge and pitch motion. For the second type a strong reduction of the vortex structures is visible which is related to a reduction of the effective angle of attack.

Document Type:Conference or Workshop Item (Speech, Paper)
Title:Experimental Flow Field Investigations for ‚MICRO AIR VEHICLES‘ in Flapping Motion
Authors:
AuthorsInstitution or Email of Authors
Hauke, EhlersUNSPECIFIED
Date:2012
Refereed publication:No
In SCOPUS:No
In ISI Web of Science:No
Page Range:pp. 1-8
Series Name:Conference Proceedings on USB-Stick
Status:Published
Keywords:Micro air vehicles, low reynolds numbers, flapping wing, Particle Image Velocimetry
Event Title:ODAS 2012
Event Location:Brauschweig, Germany
Event Type:international Conference
Event Dates:04. - 06. Jun. 2012
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Simulation & Validation
Location: Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Experimental Methods
Deposited By: Ilka Micknaus
Deposited On:13 Jul 2012 11:53
Last Modified:09 Oct 2012 15:04

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