Jian Yan, Duzhong Nie, Youduo Peng, Hai Wang, Yongxiang Liu, Yong Tian. Design of Solar Dish Concentrator for Improving Flux Uniformity on Planar Receiver[J]. Acta Optica Sinica, 2020, 40(9): 0922002
- Acta Optica Sinica
- Vol. 40, Issue 9, 0922002 (2020)
Fig. 1. Schematic of mirror rearrangement of parabolic dish concentrator. (a) Mirror rearrangement parameters; (b) ray transmission in symmetrical plane of mirror unit km
Fig. 2. Schematic of generatrix of non-imaging dish concentrator
Fig. 3. Optical discretization of plane receiver
Fig. 4. Optimized design flow chart of solar dish concentrator/plane receiver system
Fig. 5. Flux distribution in focal plane of improved parabolic dish concentrator system using mirror translation strategy. (a) Comparison of flux distributions before and after improvement; (b) comparison of optimization results under different parameters
Fig. 6. Non-uniform factor and optical intercept efficiency of improved parabolic dish concentrator system using mirror translation strategy
Fig. 7. Local concentration ratio distribution of improved parabolic dish concentrator system using mirror rotation strategy.(a) K=6, f=8450 mm; (b) K=6, f=6000 mm; (c) K=10, f=8450 mm; (d) K=10, f=6000 mm
Fig. 8. Results of improved parabolic dish concentrator system using mirror rotation strategy. (a) Local concentration ratio; (b) non-uniform factor and optical intercept efficiency
Fig. 9. Optimization results of non-imaging dish concentrator system. (a) Local concentration ratio; (b) non-uniform factor and optical intercept efficiency
Fig. 10. Local concentration ratio distribution of optimized non-imaging dish concentrator system.(a) K=6, f=8450 mm; (b) K=6, f=6000 mm; (c) K=10, f=8450 mm; (d) K=10, f=6000 mm
Fig. 11. Optical model of non-imaging dish system based on OptisWorks software
Fig. 12. Flux density distributions of metal coil receiver under different concentrators. (a) With parabolic dish concentrator; (b) with optimized non-imaging dish concentrator
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Table 1. Geometric parameter and optical parameter of solar concentrator system
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Table 2. Optimization results of improved parabolic dish concentrator system using mirror translation strategy
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Table 3. Optimization results of improved parabolic dish concentrator system using mirror rotation strategy
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Table 4. Optimization results of parameters of non-imaging dish concentrator system
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