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Shock Waves pp 757-762 | Cite as

Temperature and velocity measurements of imploding detonation

  • T. Tsuboi
  • K. Babazono
  • S. Nishizuka
  • M. Asakura
  • K. Ishii
Conference paper

Abstract

Using stoichiometric hydrogen-oxygen and propane-oxygen mixtures, the detonation was made spherically converge toward the center of the detonation chamber, whose cross section was made conical. The scratch was observed at the center. The depth and the width of the deepest point of the scratch were twenty and several μm and 0.1 mm, respectively.

Also the converging profiles of the stoichiometric hydrogen-oxygen mixture were followed by measuring pressure profiles at various radii. The relations between the pressure P/PCJ and the radius (r/Ro)m agreed well with those of propane-oxygen mixture. The power dependencies m were m=1.1±0.2 for the incident detonation, m=0.9±0.1 for the first reflected shock wave, m=1.2±0.1 for the second reflected shock wave.

The argon temperatures at imploding center were 7000 ± 4000 K between 1 and 3 /xs and the electron temperatures were 20000 ± 10000 K, which were measured by estimation of Bremsstrahlung.

Keywords

Shock Wave Detonation Wave Initial Pressure Plasma Physic Report Oxygen Mixture 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Tsinghua University Press and Springer-Verlag Berlin Heidelberg 2005

Authors and Affiliations

  • T. Tsuboi
    • 1
  • K. Babazono
    • 1
  • S. Nishizuka
    • 1
  • M. Asakura
    • 1
  • K. Ishii
    • 1
  1. 1.Yokohama National UniversityYokohamJapan

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