Experimental determination of effective concentration ratio for solar box cookers using thermal tests

被引：38
作者：
Sagade, Atul A. [1 ]
Samdarshi, S. K. [1 ,2 ]
Panja, P. S. [1 ]
机构：
[1] Cent Univ Jharkhand, Ctr Energy Engn, Ranchi 835205, Jharkhand, India
[2] Cent Univ Jharkhand, Ctr Excellence Green & Efficient Energy Technol, Ranchi 835205, Jharkhand, India
来源：
SOLAR ENERGY | 2018年 / 159卷
关键词：
Solar box cookers; Concentration ratio; Thermal performance parameters for solar cookers; Solar energy; MIRROR BOOSTERS; PERFORMANCE; OPTIMIZATION; COLLECTOR;
D O I：
10.1016/j.solener.2017.11.021
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：
Solar box cookers (SBCs) are generally equipped with a booster reflector to increase the radiation flux; consequently, the heating of the absorber plate and for fast cooking. Hence, it is crucial to assess the impact of booster reflector and quantify the Opto-Thermal performance of the SBCs considering the enhanced radiation flux. In the present work, Effective Concentration Ratio (ECR) is defined to assess the effectiveness of booster reflector. ECR is determined experimentally using two thermal tests; with and without booster reflector employing the Cooker Opto-Thermal Ratio (COR) as a thermal performance parameter (TPP). It is shown that, ECR enables the assessment of the effect of the booster reflector in the estimation of Opto-Thermal performance of the SBCs. The value of ECR for specified SBC is determined to be 1.33.
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页码：984 / 991
页数：8
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