An annular compound parabolic concentrator used in tower solar thermal power generation system Huang, Yuan ; Ma, Xiaoyu ; Rao, Changhui ; Liu, Xincheng ; He, Rui Abstract Publication: Solar Energy Pub Date: August 2019 DOI: 10.1016/j.solener.2019.07.032 Bibcode: 2019SoEn..188.1256H