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      Small scale boiling experiments using two-dimensional imaging with high-speed camera and optical coherence tomography Translated title: Kleinskalige Siedeexperimente unter Einsatz zweidimensionaler Bildgebung mit High-Speed Kamera und optischer Kohärenztomographie

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          Abstract

          To investigate boiling processes, a test facility has been constructed, which allows the use of optical techniques for the detection of individual vapor bubbles. Demineralized water was used as working fluid at ambient pressure whereat temperature, flow rate and heat flux density can be varied. The growth of individual vapor bubbles was recorded by high-speed camera and analyzed by digital image processing (DIP). Optical coherence tomography (OCT) enabled the visualization of steam bubbles in cross-sections perpendicular to the heated surface.

          Kurzfassung

          Zur Untersuchung von Siedevorgängen wurde eine Versuchsanlage konstruiert, welche den Einsatz von optischen Verfahren zur Erfassung einzelner Dampfblasen ermöglicht. Als Arbeitsfluid dient demineralisiertes Wasser bei Umgebungsdruck, wobei Temperatur, Strömungsgeschwindigkeit und Wärmestromdichte variiert werden können. Das Wachstum einzelner Dampfblasen wurde mit High-Speed Kamera erfasst und mittels digitaler Bildverarbeitung (DBV) ausgewertet. Die optische Kohärenztomographie (OCT) ermöglicht die Visualisierung von Dampfblasen in Schnittbildern senkrecht zur beheizten Oberfläche.

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          Most cited references2

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          Four-dimensional imaging of murine subpleural alveoli using high-speed optical coherence tomography

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            Dual model of bubble growth in vertical rectangular narrow channel

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              Author and article information

              Journal
              kt
              Kerntechnik
              Carl Hanser Verlag
              0932-3902
              2195-8580
              19 March 2013
              : 78
              : 1
              : 54-56
              Affiliations
              1 Prof. Dr.-Ing. habil. Rainer Hampel, E-mail: R.Hampel@ 123456hs-zigr.de
              2 University of Applied Sciences Zittau/Görlitz, Institute of Process Technology, Process Automation and Measuring Technology (IPM), Theodor-Koerner-Allee 16, 02763 Zittau
              3 Dipl.-Phys. Lars Kirsten, E-mail: lars.kirsten@ 123456tu-dresden.de
              4 Dr. rer. medic. Dipl.-Ing. (FH) Sven Meissner, E-mail: Sven.Meissner@ 123456tu-dresden.de
              5 Prof. Dr. rer. nat. Edmund Koch, E-mail: Edmund.Koch@ 123456tu-dresden.de
              6 Dresden University of Technology, Faculty of Medicine Carl Gustav Carus, Clinical Sensoring and Monitoring, Fetscherstraße 74, 01307 Dresden
              7 Prof. Dr.-Ing. habil. Antonio Hurtado, E-mail: Antonio.Hurtado@ 123456tu-dresden.de , Dresden University of Technology, Faculty of Mechanical Engineering, Chair of hydrogen and nuclear energy technology, George-Bähr-Straße 3b, 01069 Dresden
              Author notes
              8 Dipl.-Ing. (FH) Clemens Schneider, E-mail: C.Schneider@ 123456hszg.de
              Article
              KT110314
              10.3139/124.110314
              7cf1f106-fd4c-4a33-9179-8957b603cb45
              © 2013, Carl Hanser Verlag, München
              History
              : 11 October 2012
              Page count
              References: 14, Pages: 3
              Categories
              Technical Contributions/Fachbeiträge

              Materials technology,Materials for energy,Nuclear physics
              Materials technology, Materials for energy, Nuclear physics

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