Ruidong Wang, Jun Ma, Chenglong Wang, Tianzhi Yu. Progress of linear Fresnel concentrator heat collection system[J]. Infrared and Laser Engineering, 2021, 50(11): 20210452
- Infrared and Laser Engineering
- Vol. 50, Issue 11, 20210452 (2021)
![Schematic diagram of SPLFR concentrators[23]](/richHtml/irla/2021/50/11/20210452/img_1.jpg)
Fig. 1. Schematic diagram of SPLFR concentrators[23]
![Schematic diagram of LFR with parabolic reflectors[24]](/richHtml/irla/2021/50/11/20210452/img_2.jpg)
Fig. 2. Schematic diagram of LFR with parabolic reflectors[24]
![Enhancing the optical efficiency by increasing the length of the receiver[28]](/Images/icon/loading.gif){kind=icon}
Fig. 3. Enhancing the optical efficiency by increasing the length of the receiver[28]
Fig. 4. Enhancing the optical efficiency by moving the receiver[28]
Fig. 5. Enhancing the optical efficiency by increasing the length of the receiver and moving the receiver[28]
Fig. 6. Schematic of the proposed two-axis tracking LFR (1: Crank-rod mechanism; 2: Linear actuator; 3: Receiver and its supporter; 4: Linear actuator; 5: Reflector and its supporter; 6: Slide rails and pedestals)[29]
Fig. 7. General scheme of the optimized LFR (1: West reflector surface; 2: East reflector surface; 3: Receiver; λ : Tilt angle of the reflectors and receiver; β : Angle of the east-west rotation; d z : Displacement angle of the receiver)[30]
Fig. 8. Schematics of single-axis and double-axis tracking systems[5]
Fig. 9. [in Chinese]
Fig. 9. Main performance of LFR concentrator with the same width of the primary reflector[41]
Fig. 10. Optical efficiency of LFR concentrator with the same width of the primary reflector[41]
Fig. 11. Flux distribution on the absorber tube surface in the single-tube receiver with a secondary collector[57]
Fig. 12. Flux distribution on each absorber tube in the multi-tube cavity receiver [57]
Fig. 13. Polar coordinate diagram of flux distribution on the surface of heat absorption tube[41]
Fig. 14. Schematic diagram of heat transfer path in local section of solar vacuum collector pipe[98]
Fig. 15. Temperature field in the insulating material and around absorber tube[8]
Fig. 16. Line graph of heat loss as temperature increases[8]
Fig. 17. Sketch of the different LFC receiver configurations analyzed. (a) An receiver with non-evacuated glass envelope; (b) An evacuated tube receiver; (c) An receiver with a flat glass receiver cover[113]
Fig. 18. Influence of wind velocity on the heat loss of three different LFC-receivers [113]
Fig. 19. Influence of Direct Normal Irradiation on the heat loss of three different LFC-receivers [113]
Fig. 20. Influence of ambient temperature on the heat loss of three different LFC-receiver[113]
Fig. 21. Heat transfer model of LFRC with CPC absorber[114]
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