Fig. 1. Structure diagram of linear Fresnel reflector

Fig. 2. Ray tracing diagram of cylindrical mirror edge at different Q. (a) Q=0;(b) Q=0.5;(c) Q=1

Fig. 3. Ray tracing of a mirror edge at reference position and deviation from reference position

Fig. 4. Variation of R with Q for different W-cylindrical mirrors

Fig. 5. Polynomial surface fitting model

Fig. 6. Comparison of results between model calculation and numerical calculation

Fig. 7. Variation of d_max with Q for different W-cylindrical mirrors

Fig. 8. Variation of d with α_T at different Q for different W-cylindrical mirrors

Fig. 9. Variations of η and δ with α_T

Fig. 10. Solar flux distributions at different α_T

Fig. 11. Solar flux distributions on focal plane of system at different α_T. (a) α_T=30°; (b) α_T=60°; (c) α_T=90°