Jun Xiao, Yun Cao, Lifeng Han. Design and Preliminary Test of Water-Injected Fresnel Concentrators[J]. Acta Optica Sinica, 2021, 41(14): 1422002
- Acta Optica Sinica
- Vol. 41, Issue 14, 1422002 (2021)
Fig. 1. Schematic of water-injected Fresnel concentrator
Fig. 2. Diagram of light in water-injected rectangular prism
Fig. 3. Structural model and partial enlargement of water-injected Fresnel concentrator
Fig. 4. Optical simulation results of water-injected Fresnel concentrator. (a) Simulating light; (b) energy flux distribution on receiving target
Fig. 5. Concentrating characteristics of water-injected Fresnel concentrator and traditional non-water-injected Fresnel concentrator under different solar incident angles. (a) Concentration efficiency; (b) peak flux
Fig. 6. Concentrating characteristics of water-injected Fresnel concentrator with different tooth widths under different solar incident angles. (a) Concentration efficiency; (b) peak flux
Fig. 7. Test prototype of water-injected type Fresnel concentrator. (a) Flat view; (b) bottom view
Fig. 8. Distribution of light spots in focal plane. (a) Actual light spot; (b) simulated theoretical spot
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Table 1. Structure parameters and simulation parameters of water-injected Fresnel concentrator
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