Numerical study on the optical and radiative properties of the gradually-varied volumetric solar receiver

被引：2
|
作者：
Du, Shen [1 ]
He, Ya-Ling [1 ]
Li, Peiwen [2 ]
机构：
[1] Xi An Jiao Tong Univ, Sch Energy & Power Engn, Key Lab Thermofluid Sci & Engn, Minist Educ, Xian 710049, Shaanxi, Peoples R China
[2] Univ Arizona, Dept Aerosp & Mech Engn, Tucson, AZ 85721 USA
来源：
8TH INTERNATIONAL CONFERENCE ON APPLIED ENERGY (ICAE2016) | 2017年 / 105卷
基金：
中国国家自然科学基金;
关键词：
Gradually-varied volumetric solar receiver; Reconstruction; MCRT; Optical properties; Radiative properties; MONTE-CARLO DETERMINATION; POROUS CERAMICS; FOAMS;
D O I：
10.1016/j.egypro.2017.03.342
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The volumetric solar receiver is one important component of the Concentrated Solar Power (CSP) system. In this paper, a gradually-varied volumetric solar receiver is proposed. Based on a modified random generation method, a 3D model of this type of solar receiver is reconstructed. With the use of Monte Carlo Ray Tracing method (MCRT), the optical and radiative properties of this novel structure are investigated. The result shows that the radiative heat loss could be reduced owing to the lower reflectivity of this novel structure. It also outperforms in the photon absorption compared with the uniform structures that was examined in this paper. Furthermore, a more ideal photon distribution inside the structure is exhibited by the gradually-varied volumetric solar receiver.
引用
收藏
页码：467 / 472
页数：6
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