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The high-speed videostroboscope - a versatile instrument for the investigation of periodic events
Kompenhans, J. and Stasicki, B. (2004) The high-speed videostroboscope - a versatile instrument for the investigation of periodic events. European Windtunnel Association Initial Joint Workshop, Toulouse, France, 18 - 20 October 2004.
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Abstract
A high-speed video stroboscope has been developed at DLR, which allows the investigation of fast repetitive, e.g. periodic, phenomena. It provides a real-time, slow-motion display of these events with simultaneous frame recording. The system comprises a user-friendly sequencer to generate the trigger pulses, a frequency-independent digital phase shifter and an asynchronously shuttered progressive scan CCD camera. The basic features of this system and its recent extension to a multicamera system will be described. Examples of the application of the video stroboscope for the measurement of the gap width of a high lift device in-flight, for the diagnostics of a turbine and for the investigation of the cavitation effect behind a marine propeller will be given.
| Document Type: | Conference or Workshop Item (Speech) | ||||||
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| Additional Information: | LIDO-Berichtsjahr=2004, | ||||||
| Title: | The high-speed videostroboscope - a versatile instrument for the investigation of periodic events | ||||||
| Authors: |
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| Date: | 2004 | ||||||
| Status: | Published | ||||||
| Keywords: | visualization, video stroboscope, model location, turbine diagnostics, cavitation | ||||||
| Event Title: | European Windtunnel Association Initial Joint Workshop, Toulouse, France, 18 - 20 October 2004 | ||||||
| Organizer: | ONERA | ||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||
| HGF - Program: | Aeronautics | ||||||
| HGF - Program Themes: | L AR - Aircraft Research | ||||||
| DLR - Research area: | Aeronautics | ||||||
| DLR - Program: | L AR - Aircraft Research | ||||||
| DLR - Research theme (Project): | L - Flight Physics | ||||||
| Location: | Köln-Porz , Braunschweig , Göttingen | ||||||
| Institutes and Institutions: | Institute of Aerodynamics and Flow Technology | ||||||
| Deposited By: | Ilka Micknaus | ||||||
| Deposited On: | 31 Jan 2006 | ||||||
| Last Modified: | 14 Jan 2010 19:36 |
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