布置螺旋管的太阳能腔式吸热器光学性能模拟

王晓文, 屠楠, 方嘉宾, 刘晓群, 王驰宇, 刘家琛

Simulation of Optical Performance for a Solar Cavity Receiver Arranged With Spiral Tubes

Xiaowen WANG, Nan TU, Jiabin FANG, Xiaoqun LIU, Chiyu WANG, Jiachen LIU

表2 不同管径下管外壁吸收太阳辐射能量及光学效率

Tab.2 Absorbed energy and optical efficiency of the cavity for different tube diameters

方法	DNI/ (W⋅m^-2)	d=8 mm		d=12 mm		d=18 mm
方法	DNI/ (W⋅m^-2)	Q_ab/W	η_opt/%	Q_ab/W	η_opt/%	Q_ab/W	η_opt/%
文献[19]	650	2 232.12	82.081	2 229.60	81.988	2 221.71	81.698
文献[19]	1 000	3 434.02	82.081	3 430.15	81.988	3 418.17	81.698
本文	650	2 219.41	81.596	2 216.63	81.494	2 198.53	80.828
本文	1 000	3 413.98	81.596	3 409.70	81.494	3 381.86	80.828