Raffel, Markus and Raiser, Dirk and Schuster, Frank and Mulleners, Karen (2012) Applications of Density Tagging Velocimetry. 16th Int Symp on Applications of Laser Techniques to Fluid Mechanics, 09.-12. Jul. 2012, Lisbon, Portugal.
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Recently, a novel optical technique for point-wise measurement of flow velocity called Density Tagging Velocimety (DTV) was proposed by Raffel et al (2012). This method is based on the detection and subsequent tracking of a local density variation deliberately inserted in the flow. The experimental implementation comprising tagging, detection, and velocity evaluation reverts to and combines principles of well–known optical measurement techniques. DTV is particularly suited for measuring flow velocities in regions where the use of tracer particles is difficult or undesired. The applicability of this new technique is illustrated here by wind tunnel measurements of an unsteady wake flow and temperature measurements in a convection chamber. The recording and evaluation schemes used are described and presented together with an accuracy analysis.
|Document Type:||Conference or Workshop Item (Speech, Paper)|
|Title:||Applications of Density Tagging Velocimetry|
|In ISI Web of Science:||No|
|Page Range:||pp. 1-7|
|Series Name:||Conference Proceedings online|
|Keywords:||Density Tagging Velocimetry, DTV|
|Event Title:||16th Int Symp on Applications of Laser Techniques to Fluid Mechanics|
|Event Location:||Lisbon, Portugal|
|Event Type:||international Conference|
|Event Dates:||09.-12. Jul. 2012|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Aeronautics|
|HGF - Program Themes:||Rotorcraft|
|DLR - Research area:||Aeronautics|
|DLR - Program:||L RR - Rotorcraft Research|
|DLR - Research theme (Project):||L - The Virtual Aerodynamic Rotorcraft|
|Institutes and Institutions:||Institute of Aerodynamics and Flow Technology > Helicopters|
|Deposited By:||Dr.-Ing.habil. Markus Raffel|
|Deposited On:||19 Jul 2012 08:52|
|Last Modified:||19 Jul 2012 08:52|
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