Dezhong Wu, Ming Li, Guoliang Li, Yunfeng Wang, Zhikang Feng, Guofu Zhou. Photothermal Properties of Compound Parabolic Concentrator Under Low Interception Ratio[J]. Laser & Optoelectronics Progress, 2019, 56(8): 082201
- Laser & Optoelectronics Progress
- Vol. 56, Issue 8, 082201 (2019)
Fig. 1. Schematic of CPC cross section
Fig. 2. Concentration ratio and CPC arc length versus interception ratio
Fig. 3. Number pairs of CPC under two interception ratios and same area
Fig. 4. Total number and arc length ratios of CPC versus interception ratio
Fig. 5. Schematic of ray tracing. (a) One dimensional; (b) two dimensional
Fig. 6. Influence of interception ratio on direct optical efficiency of CPC. (a) January 1st; (b) April 1st; (c) July 1st; (d) October 1st
Fig. 7. Effect of CPC length on end ray loss
Fig. 8. Heat transfer model of collector tube. (a) All glass vacuum tube with internal structure of U type aluminum tube; (b) thermal resistance grid
Fig. 9. Schematic of SCPC heat collector system
Fig. 10. Data processing. (a) Diagram of meteorological data; (b) comparison diagram of experimental and simulated values
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Table 1. Related parameters of CPC
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Table 2. Test data of CPC heat collector under low interception ratio
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