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《Proceedings of the CSEE》 2011-05
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Temperature Measurements Using the Background Oriented Schlieren Technique

ZHOU Hao,Lü Xiaoliang,LI Qingyi,CEN Kefa(State Key Laboratory of Clean Energy Utilization Institute(Zhejiang University), Hangzhou 310027,Zhejiang Province,China)  
This paper presents a simple way of reconstructing the temperature field.By using only a digital camera and a structured background,background oriented schlieren can get the light projection in one direction of the temperature field.The image was processed by particle image velocimetry software to obtain the deflection angle of light.Deflection angle of light passing over flame of Bunsen burner were used to reconstruct index of refraction field from algebraic reconstruction technology.Then the Gladstone-Dale relation and the Idea-Gas equation were used to obtain the temperature field.Comparing the temperature field with the results which were got by the sodium line-reversal method,this technology can get excellent Temperature field.Since it is very mature and the test conditions for it are simple,algebraic reconstruction technology has wide application prospects.
【Fund】: 国家重点基础研究发展计划(2009CB219802);; 浙江省自然科学基金资助项目(R107532);; 新世纪优秀人才支持计划(NCET-07-0761);; 全国优秀博士学位论文作者专项资金(200747);; 浙江大学曹光彪高科技发展基金资助(2008RC001)~~
【CateGory Index】: TK311
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