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《Nanotechnology and Precision Engineering》 2016-01
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Micro and Wide-Angle Observation System Close to Aeroengine Afterburner for Ignition Process

Hu Zhiyong;Duan Fajie;School of Precision Instrument and Opto-Electronics Engineering,Tianjin University;  
Due to the severe environment near to the jet of the afterburner,it is hard to observe. Traditional observation method is remote from the afterburner and the photos are not clear enough. In order to solve this problem,a micro and wide-angle observation system was proposed in this paper. Based on a micro camera and combined with a water-cooling tube,the system is useful for visible spectrum and can be set close to the jet with a distance of 1—2 m. The camera diameter is 7 mm and the water-cooling tube diameter reach to 20—30 mm,and the largest field angle is about 50°. Experimental results show that the images of the system for the target are clear and detailed. The result of vision observation to aeroengine afterburner inner aera is available for the evaluation of ignition and combustion stability and homogeneity.
【CateGory Index】: TP391.41
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