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Optical investigation and recording of fast repetitive events

Stasicki, Boleslaw (2008) Optical investigation and recording of fast repetitive events. Seminar on the Nanyang Technical University Singapore, 2008-11-17, Singapore.

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Kurzfassung

The framing rate of the commonly-used video cameras according to the video standards CCIR / EIA is constant, equal to 25/30 frames per second. For the video recording of very fast events, special, non-standard, high-speed cameras working on sophisticated principles have to be applied. Such systems however, are all extremely expensive and have, due to their principle of operation, several disadvantages such as limited number of the recorded frames in the sequence, low spatial resolution and large, heavy camera heads. The system developed by the author, called high-speed video stroboscope, is suitable for the imaging of fast repetitive events, specially for periodic ones. It provides on the computer monitor a real-time, slow-motion display of fast moving objects and is capable of recording long sequences of high-quality images. A pulsed illumination is not necessary. It has been applied already amongst others in the investigation of visualized flows, machine motion, design and diagnostics of engines and turbines, fuel injection, disintegration of micro-jets, ship propeller cavitation, human larynx vibration and insect flight. The principle of its operation and the results of various experiments will be presented and illustrated with acquired video clips.

elib-URL des Eintrags:https://elib.dlr.de/56071/
Dokumentart:Konferenzbeitrag (Vortrag)
Titel:Optical investigation and recording of fast repetitive events
Autoren:
AutorenInstitution oder E-Mail-AdresseAutoren-ORCID-iDORCID Put Code
Stasicki, BoleslawNICHT SPEZIFIZIERTNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Datum:2008
Referierte Publikation:Nein
Open Access:Nein
Gold Open Access:Nein
In SCOPUS:Nein
In ISI Web of Science:Nein
Status:veröffentlicht
Stichwörter:high-speed video stroboscope, slow-motion, fast moving objects
Veranstaltungstitel:Seminar on the Nanyang Technical University Singapore
Veranstaltungsort:Singapore
Veranstaltungsart:Andere
Veranstaltungsdatum:17 November 2008
Veranstalter :Nanyang Technical University, Aerospace Engineerting
HGF - Forschungsbereich:Luftfahrt, Raumfahrt und Verkehr
HGF - Programm:Luftfahrt
HGF - Programmthema:Starrflügler (alt)
DLR - Schwerpunkt:Luftfahrt
DLR - Forschungsgebiet:L AR - Starrflüglerforschung
DLR - Teilgebiet (Projekt, Vorhaben):L - Flugphysik (alt)
Standort: Göttingen
Institute & Einrichtungen:Institut für Aerodynamik und Strömungstechnik > Experimentelle Verfahren
Hinterlegt von: Micknaus, Ilka
Hinterlegt am:08 Jan 2009
Letzte Änderung:24 Apr 2024 19:20

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