Solar Concentrator Consisting of Multiple Aspheric Reflectors

作     者：Cao, Guobin Qin, Hua Ramachandran, Rajan Liu, Bo 

作者机构：Beijing Railway Century Soil Engn Co LTD Yangfangdian Rd Beijing 100038 Peoples R China Shandong Univ Technol Sch Phys & Optoelect Engn Lab Funct Mol & Mat Zibo 255000 Shandong Peoples R China 

出 版 物：《ENERGIES》 (能源)

年 卷 期：2019年第12卷第21期

页      面：4038-4038页

核心收录：

学科分类：0820[工学-石油与天然气工程] 08[工学] 0807[工学-动力工程及工程热物理] 

基　　金：Shandong Provincial Natural Science Foundation [ZR2019MA071] Beijing Railway Century Soil Engineering Co., LTD, Yangfangdian Road, Haidian District, Beijing, China 

主　　题：concentrating solar power system aspheric reflector off-axis point focusing PSO algorithm 

摘      要：This paper presents an off-axis-focused solar concentrator system consisting of 190 aspheric reflectors, where the aperture radius of each reflector is 10 cm, and vertices of all reflectors are orderly arranged in the same plane. The aspheric parameters controlling the curvature of the reflectors are determined using coordinate transformations and the particle swarm optimization (PSO) algorithm. Based on these aspheric parameters, the light distribution of focal plane was calculated by the ray tracing method. The analyses show that the designed concentrator system has a spot radius of less than 1 cm and the concentration ratio over 3300:1 is achieved using only one reflection. The design results have been verified with the optical design software Zemax.