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Stasicki, Boleslaw and Boden, Fritz (2015) Advanced non-standard imaging techniques and instrumentation for measurements in the mechanics. Seminar on Tianjin University, Department of Mechanics., Research Direction: Measurement and Control of Turbulence, Experimental Fluid Mechanics, 2015-04-17, Tianjin (China).
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Abstract
One of this techniques is a high-speed video stroboscopy providing the real-time slow-motion display of fast periodic events without a strobe light. The principle of this system will be described and some results of different application will be presented in form of short video clips. Moreover the principle a novel Image Pattern Correlation Technique (IPCT) known also as Digital Image Correlation (DIC) and its practical application for the in-flight 3D deformation measurement of the aircraft wings and propellers will be demonstrated. In the case of the propeller investigation a special camera system rotating together with the propeller has been designed, manufactured and tested. This experiment and the achieved results will be discussed. Later, the instrumentation for the synchronization of the PIV setup will be described. Finally a high-power pulsed LED-light source designed and manufactured for the CW or strobe illumination of various imaged objects and its application for PIV in liquids will be shown.
| Item URL in elib: | https://elib.dlr.de/96215/ | ||||||||||||
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| Document Type: | Conference or Workshop Item (Speech) | ||||||||||||
| Title: | Advanced non-standard imaging techniques and instrumentation for measurements in the mechanics | ||||||||||||
| Authors: |
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| Date: | 2015 | ||||||||||||
| Refereed publication: | No | ||||||||||||
| Open Access: | No | ||||||||||||
| Gold Open Access: | No | ||||||||||||
| In SCOPUS: | No | ||||||||||||
| In ISI Web of Science: | No | ||||||||||||
| Status: | Published | ||||||||||||
| Keywords: | Image Pattern Correlation Technique (IPCT), high-speed video stroboscopy, LED-light source, synchronization of the PIV setup | ||||||||||||
| Event Title: | Seminar on Tianjin University, Department of Mechanics., Research Direction: Measurement and Control of Turbulence, Experimental Fluid Mechanics | ||||||||||||
| Event Location: | Tianjin (China) | ||||||||||||
| Event Type: | Other | ||||||||||||
| Event Date: | 17 April 2015 | ||||||||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||||||||
| HGF - Program: | Aeronautics | ||||||||||||
| HGF - Program Themes: | fixed-wing aircraft | ||||||||||||
| DLR - Research area: | Aeronautics | ||||||||||||
| DLR - Program: | L AR - Aircraft Research | ||||||||||||
| DLR - Research theme (Project): | L - Simulation and Validation (old) | ||||||||||||
| Location: | Göttingen | ||||||||||||
| Institutes and Institutions: | Institute of Aerodynamics and Flow Technology > Experimental Methods | ||||||||||||
| Deposited By: | Micknaus, Ilka | ||||||||||||
| Deposited On: | 04 Aug 2015 16:10 | ||||||||||||
| Last Modified: | 24 Apr 2024 20:01 |
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