Validity of rainbow schlieren with quantitative density measurement in supersonic jet

Guanlei Jiang; Yanji Hong; Jifei Ye; Ming Wen

doi:10.1117/12.904737

30 November 2011 Validity of rainbow schlieren with quantitative density measurement in supersonic jet

Guanlei Jiang, Yanji Hong, Jifei Ye, Ming Wen

Proceedings Volume 8201, 2011 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Systems; 82011A (2011) https://doi.org/10.1117/12.904737
Event: International Conference on Optical Instruments and Technology (OIT2011), 2011, Beijing, Beijing, China

Abstract

The quantitative rainbow schlieren technique was applied to measure density grads and density in flow flied widely. The experiment took the axis-symmetry unexpended supersonic free jet as a object, used the typical "Z" schlieren system and replaced the edge with rainbow filter. Different rainbow filter was designed to study the sensitivity and validity in the quantitative measurement. While schlieren measurements were compared with numerical value using FLUENT. Good agreement between the measurement and numerical value was achieved on the unexpended-supersonic jet.

Citation Download Citation

Guanlei Jiang, Yanji Hong, Jifei Ye, and Ming Wen "Validity of rainbow schlieren with quantitative density measurement in supersonic jet", Proc. SPIE 8201, 2011 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Systems, 82011A (30 November 2011); https://doi.org/10.1117/12.904737

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