Bulletin of the American Physical Society
71st Annual Meeting of the APS Division of Fluid Dynamics
Volume 63, Number 13
Sunday–Tuesday, November 18–20, 2018; Atlanta, Georgia
Session L21: Experimental Techniques: Pressure, Density, Temperature and Concentration
4:05 PM–6:28 PM,
Monday, November 19, 2018
Georgia World Congress Center
Room: B309
Chair: Michael Hargather, New Mexico Institute of Mining and Technology
Abstract ID: BAPS.2018.DFD.L21.1
Abstract: L21.00001 : Schlieren and cross-schlieren imaging for quantitative flow visualization
4:05 PM–4:18 PM
Presenter:
Nobuyuki Fujisawa
(Niigata Univ)
Authors:
Nobuyuki Fujisawa
(Niigata Univ)
Koki Iwasaki
(Niigata Univ)
Keita Ozawa
(Niigata Univ)
Kei Fujisawa
(Univ Florida)
Takayuki Yamagata
(Niigata Univ)
The schlieren imaging is a fundamental flow visualization technique applicable to combustion flame and high-speed flows. In this talk, some applications of the schlieren imaging are shown to understand the flow physics. They include the flickering combustion flame under acoustic excitation, screech tone phenomenon from underexpanded supersonic jet and the shockwave formation in a cavitating jet. Furthermore, the development of the schlieren for quantitative flow visualization is examined by introducing the cross-schlieren imaging and the usefulness of this experimental technique is studied.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.DFD.L21.1
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