Longfei Niu, Yilan Jiang, Xinxiang Miao, Caizhen Yao, Haibing Lv, Guorui Zhou. Experimental study of particles cleanliness control on the surface of large-aperture reflector[J]. Infrared and Laser Engineering, 2021, 50(12): 20210117
- Infrared and Laser Engineering
- Vol. 50, Issue 12, 20210117 (2021)
Fig. 1. Experimental setup for surface contamination of reflector removal by air knife sweeping and its flow chart
Fig. 2. Boundary model of surface contamination of reflector removal by air knife sweeping
Fig. 3. Removal ratio vs. deflection angle of air knife for different contamination types
Fig. 4. Removal ratio vs. the installation height of the air knife for different contamination types
Fig. 5. Particles contamination diameter distribution on the reflector surface
Fig. 6. Maintenance of reflector surface particle cleanliness before and after online sweeping, 1#2#3#4# stand for four reflectors separately
Fig. 7. Long-term maintenance of reflector surface particle cleanliness
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Table 1. Surface cleanliness levels of particles contamination
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