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Published in: Journal of Visualization 5/2020

06-07-2020 | Regular Paper

Visualization of the shock wave/boundary layer interaction using polarization imaging

Authors: Lin He, Xiao-ge Lu

Published in: Journal of Visualization | Issue 5/2020

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Abstract

The flow visualization of a shock wave/boundary layer interaction (SWBLI) has been performed using polarization imaging. This technique used the degree of linear polarization (DOLP) for flow visualization instead of the intensity information which is used in traditional imaging methods. The experimental results show that the instantaneous structures of SWBLI captured by the polarization imaging are the same as when the intensity information is used, verifying the feasibility of polarization imaging. The image fusion of the DOLP results and the intensity information will further improve the flow visualization effect. Through statistical analysis, it can be shown that polarization imaging would weaken the influence of incident light on imaging, when the intensity of the incident light is not uniform or fluctuates with time.

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Literature
go back to reference Stathaki T (2008) Image fusion: algorithms and applications. Academic Press, London Stathaki T (2008) Image fusion: algorithms and applications. Academic Press, London
go back to reference Wang J, Yao JQ, Yu YZ, Chen J, Wang P (2001) Instantaneous two-dimensional density measurements of gas flow by Rayleigh scattering. J Optoelectron Laser 12:62–64 Wang J, Yao JQ, Yu YZ, Chen J, Wang P (2001) Instantaneous two-dimensional density measurements of gas flow by Rayleigh scattering. J Optoelectron Laser 12:62–64
Metadata
Title
Visualization of the shock wave/boundary layer interaction using polarization imaging
Authors
Lin He
Xiao-ge Lu
Publication date
06-07-2020
Publisher
Springer Berlin Heidelberg
Published in
Journal of Visualization / Issue 5/2020
Print ISSN: 1343-8875
Electronic ISSN: 1875-8975
DOI
https://doi.org/10.1007/s12650-020-00675-6

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