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Industrial applications of image based measurement techniques in aerodynamics – Problems, progress and future needs

Kompenhans, Jürgen (2010) Industrial applications of image based measurement techniques in aerodynamics – Problems, progress and future needs. Seminar an der Beijing University, 6. Sept. 2010, Beijing, China.

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Abstract

Since two decades technological progress at lasers, video techniques, optoelectronics, computers and evaluation algorithms allows to extract quantitative information from images of flows, even in complex environments. Continuous improvement of such image based measurement techniques and decreasing costs of equipment enabled many research groups to exploit these techniques for extraction of 2-dimensional or even 3-dimensional data mainly for fundamental research. Since a decade ago many image based measurement techniques have found interest in aerodynamics and are even used as a matter of routine in industrial applications, especially in large wind tunnels or at in-flight testing. Application is mainly performed in the scope of large industrial projects in European co-operation. For this purpose mobile measurement systems have been developed, which can be flexibly adjusted to particular testing environments. All data is acquired non-intrusively so that no interference of the flow field by the measurement is to occur. In consequence, the methods developed are particularly suited for the aero-dynamical and aeroacoustical analysis of complex, unsteady three-dimensional flow fields. The paper will report on the state-of-the-art of the application of image based measurement techniques in aerodynamics and will describe some of the current problems and future needs.

Document Type:Conference or Workshop Item (Speech)
Title:Industrial applications of image based measurement techniques in aerodynamics – Problems, progress and future needs
Authors:
AuthorsInstitution or Email of Authors
Kompenhans, JürgenUNSPECIFIED
Date:2010
Refereed publication:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Image Based Measurement Techniques, Aerodynamics, Wind Tunnels, In-flight Testing
Event Title:Seminar an der Beijing University
Event Location:Beijing, China
Event Type:Other
Event Dates:6. Sept. 2010
Organizer:Beijing University of Aeronautics and Astronautics (BUAA), Institute of Fluid Mechanics
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Concepts & Integration
Location: Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Experimental Methods
Deposited By: Ilka Micknaus
Deposited On:08 Oct 2010 09:00
Last Modified:08 Oct 2010 09:00

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