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Experimental Study of Radiation Behind Reflected Air Shock Waves

  • S. YamazakiEmail author
  • A. Harasawa
  • M. Funatsu
Conference paper

Abstract

In our laboratory, the characteristics of radiation behind air shock waves have been studied systematically by using a shock tube. In this study, shock waves with different incident shock Mach number were produced under conditions where pressure in low-pressure chamber was kept at constant value and pressure in high-pressure chamber was increased. The radiation behind those reflected shock waves was visualized temporally and spatially by high-speed video camera. In addition, the radiation originated from the chemical species was analyzed by using narrow band-pass filters. Nitrogen and oxygen which are the main components of air were focused; therefore, narrow band-pass filters corresponding and not corresponding to these components were used in order to investigate the amount of radiation intensity. As a result, radiation intensity obtained using the narrow band-pass filters that correspond to the components is stronger than radiation intensity obtained using other filters. Thus, there is a possibility that the radiation intensity obtained using the narrow band-pass filters which correspond to the atomic lines is derived by the atomic lines itself.

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of Mechanical Science and Technology, Graduate School of Science and TechnologyGunma UniversityGunmaJapan
  2. 2.Division of Mechanical Science and Technology, Graduate School of Science and TechnologyGunma UniversityGunmaJapan

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