Abstract
Because Sun is not a point light source , in Linear Fresnel Reflector Systems the primarily reflected solar radiation beam is always diverging. In addition, if the reflective elements are not plane but curved the reflected beams’ diverging nature is even more enhanced. As a result, its cross section is always larger than reflectors’ effective area. Moreover, the fact that the radiation reflected from the furthest reflectors must travel long distances until impinging onto the receiver results in even larger beam cross sections. For this reason, Linear Fresnel Reflector Systems require wide absorbers, or, at least, receivers with wide openings and secondary concentrating devices. The latter are reflectors that have a specific shape allowing them to redirect the primarily reflected solar radiation that cannot hit the absorber back on it.
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References
Abbas, R., J. Muñoz, and J.M. MartĂnez-Val. 2012. Steady-state thermal analysis of an innovative receiver for linear Fresnel reflectors. Applied Energy 92: 503–515.
Balaji, Shanmugapriya, K.S. Reddy, and T. Sundararajan. 2016. Optical modelling and performance analysis of a solar LFR receiver system with parabolic and involute secondary reflectors. Applied Energy 179: 1138–1151.
Chaitanya Prasad, G.S., K.S. Reddy, and T. Sundararajan. 2017. Optimization of solar linear Fresnel reflector system with secondary concentrator for uniform flux distribution over absorber tube. Solar Energy 150: 1–12.
Grena, Roberto, and Pietro Tarquini. 2011. Solar linear Fresnel collector using molten nitrates as heat transfer fluid. Energy 36: 1048–1056.
Heimsath, A., F. Cuevas, A. Hofer, P. Nitz, and W.J. Platzer. 2014. Linear Fresnel collector receiver: Heat loss and temperatures, SolarPACES 2013. Energy Procedia 49: 386–397.
Lin, M., K. Sumathy, Y.J. Dai, R.Z. Wang, and Y. Chen. 2013. Experimental and theoretical analysis on a linear Fresnel reflector solar collector prototype with V-shaped cavity receiver. Applied Thermal Engineering 51: 963–972.
Mills, D., and G.L. Morrison. 2000. Compact linear Fresnel reflector solar thermal power plants. Solar Energy 68 (3): 263–283.
Singh, P.L., R.M. Sarviya, and J.L. Bhagoria. 2010. Thermal performance of linear Fresnel reflecting solar concentrator with trapezoidal cavity absorbers. Applied Energy 87: 541–550.
Zhang, Yanmei, Gang Xiao, Zhongyang Luo, Mingjiang Ni, Tianfeng Yang, and Weiping Xu. 2014. Comparison of different types of secondary mirrors for solar application. Optik 125: 1106–1112.
Zhu, Guangdong. 2017. New adaptive method to optimize the secondary reflector of linear Fresnel collectors. Solar Energy 144: 117–126.
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Karathanasis, S. (2019). Receiver Secondary Reflector. In: Linear Fresnel Reflector Systems for Solar Radiation Concentration. Springer, Cham. https://doi.org/10.1007/978-3-030-05279-9_6
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DOI: https://doi.org/10.1007/978-3-030-05279-9_6
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