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  4. Untersuchung von Gasexplosionen mittels schneller optischer Meßsysteme
 
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1994
Conference Paper
Titel

Untersuchung von Gasexplosionen mittels schneller optischer Meßsysteme

Alternative
Investigation of gas explosions by rapid optical systems
Abstract
Setting in investigations on safety aspects, various propane-air mixtures with a volume of 0.125 cbm were centrally ignitted. The spreading spherical flame front has been analized using a high-speed camera and two different spectrometer systems for data acquisition. To registrate the emitted radiation in the ultraviolet and visible spectral range, a commercial fast lattice spectrograph was applied. The water bands in the near infrared (1000 to 2500 nm) were detected by a system developped at the Fraunhofer-Institut für Chemische Technologie. Its dipersive medium is an acustooptic tunable filter, consisting of a TeO2-crystal and a piezo-element generating the acustic wave. The photographs of the high-speed camera were used to calculate the spreading velocity of the flame front, the rotationally resolved molecular spectra to determine its temperature.
Author(s)
Eckl, W.
Eisenreich, N.
Kull, H.
Hauptwerk
Energetic Materials - Analysis, Characterization and Test Techniques
Konferenz
Fraunhofer-Institut für Chemische Technologie (Internationale Jahrestagung) 1994
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Language
German
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Fraunhofer-Institut für Chemische Technologie ICT
Tags
  • AOTF

  • flame front

  • gas explosion

  • propane-air mixture

  • temperature

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