SUB-ITEM EFFICIENCY RESEARCH ON LAYOUT METHODS OF DIFFERENT HELIOSTAT FIELD FOR SOLAR THERMAL POWER TOWER STATIONS

Zhou Zhi; Zhang Siyuan; Yang Genben; Gao Zhenxin

doi:10.19912/j.0254-0096.tynxb.2024-0631

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (8) : 531-536. DOI: 10.19912/j.0254-0096.tynxb.2024-0631

SUB-ITEM EFFICIENCY RESEARCH ON LAYOUT METHODS OF DIFFERENT HELIOSTAT FIELD FOR SOLAR THERMAL POWER TOWER STATIONS

Zhou Zhi, Zhang Siyuan, Yang Genben, Gao Zhenxin

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Abstract

This study used self-developed heliostat field efficiency analysis software to calculate and compare the annual cosine efficiency, shadowing and blocking efficiency, atmospheric attenuation efficiency, interception efficiency, and comprehensive efficiency of 4 types of heliostat fields： radial cornfield, radial staggered, Campo-type, and bio-mimetic type. The calculation results show that when the number and size of heliostats, tower height, and available area of heliostat field are basically equal, the shadowing and blocking loss of radial staggered layout is the smallest, and it has a significant advantage in the remote heliostat field; The annual cosine efficiency of the radial cornfield heliostat field is the highest, and it has a significant advantage in the near field heliostat field; The bio-mimetic heliostat fields have certain advantages in the mid-range due to their tendency to form higher densities; The Campo-type heliostat field has no significant advantages in all aspects.

Key words

solar power tower generation / heliostat field / optical efficiency / ray tracing / sun position / dynamic simulation

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Zhou Zhi, Zhang Siyuan, Yang Genben, Gao Zhenxin. SUB-ITEM EFFICIENCY RESEARCH ON LAYOUT METHODS OF DIFFERENT HELIOSTAT FIELD FOR SOLAR THERMAL POWER TOWER STATIONS[J]. Acta Energiae Solaris Sinica. 2025, 46(8): 531-536 https://doi.org/10.19912/j.0254-0096.tynxb.2024-0631

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