On a combined measurement technique of PIV and shadowgraph in environmental fluid dynamics

Tao Wang; Zhaohua Yin; Wenrui Hu

doi:10.1117/12.839070

24 August 2009 On a combined measurement technique of PIV and shadowgraph in environmental fluid dynamics

Tao Wang, Zhaohua Yin, Wenrui Hu

Proceedings Volume 7375, ICEM 2008: International Conference on Experimental Mechanics 2008; 73751Q (2009) https://doi.org/10.1117/12.839070
Event: International Conference on Experimental Mechanics 2008 and Seventh Asian Conference on Experimental Mechanics, 2008, Nanjing, China

Abstract

In this paper, a combined measurement technique of Particle Image Velocimetry (PIV) and shadowgraph is proposed to investigate the environmental fluid dynamics. This measurement system is based on a PIV system, with a backlight added to produce the shadow of dyed water. The images recorded by a CCD camera are then processed for the PIV and shadowgraph data, separately. The experimental results show that this technique is well suitable for the investigation of time-dependent flow field with temperature variation. Fairly good agreements with the experimental and CFD results are achieved.

Citation Download Citation

Tao Wang, Zhaohua Yin, and Wenrui Hu "On a combined measurement technique of PIV and shadowgraph in environmental fluid dynamics", Proc. SPIE 7375, ICEM 2008: International Conference on Experimental Mechanics 2008, 73751Q (24 August 2009); https://doi.org/10.1117/12.839070

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