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Experimental design and sensitivity analysis of schlieren system

WU Hui-lan;XU Jia;ZENG Chao-yuan;DAI Zhen-bing;DUAN Man-yi;Institute of Physics and Electrical Engineering,Sichuan Normal University;  
The schlieren experiment device was designed and the sensitivity of the schlieren system was described by analyzing the luminance difference of the image.The influence of knife edge location and knife edge thickness on the sensitivity of schlieren system were studied systematically.The experimental results shown that the relationship between light intensity difference and density difference was verified by the measured relationship between the luminance difference and the density difference.
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