Chenglong Wang, Bolong Yan, Mao Xu, Jun Ma. Optical performance of linear Fresnel condenser under different aiming strategies[J]. Infrared and Laser Engineering, 2023, 52(9): 20230259

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- Infrared and Laser Engineering
- Vol. 52, Issue 9, 20230259 (2023)

Fig. 1. Structural diagram of linear Fresnel condenser

Fig. 2. Schematic diagram of mirror transformation

Fig. 3. Relationship between the focal length of the mirror and the width of the spot

Fig. 4. Schematic diagram of two aiming strategies

Fig. 5. Schematic diagram of aiming point position and spot width

Fig. 6. Linear Fresnel concentrating system built with Tonatiuh

Fig. 7. Surface energy flow distribution diagram of collector tubes with five aiming strategies

Fig. 8. Comparison chart of optical efficiency and energy flow standard deviation for five aiming strategies

Fig. 9. Comparative diagram of local concentration ratio of five aiming strategies

Fig. 10. Linear Fresnel heat collection experimental system
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Table 1. Linear Fresnel system parameter
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Table 2. Five aiming strategy
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Table 3. Collector tube temperature and preheating real-time temperature

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