Thermal performance of a solar cooker based on an evacuated tube solar collector with a PCM storage unit

被引:227
|
作者
Sharma, SD
Iwata, T
Kitano, H
Sagara, K
机构
[1] Osaka Univ, Grad Sch Engn, Dept Architectural Engn, Suita, Osaka 5650871, Japan
[2] Mie Univ, Fac Engn, Dept Architecture, Tsu, Mie 5148507, Japan
关键词
solar energy; phase change material; latent heat storage; evening cooking; evacuated tube solar collector;
D O I
10.1016/j.solener.2004.08.001
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 thermal performance of a prototype solar cooker based on an evacuated tube solar collector with phase change material (PCM) storage unit is investigated. The design has separate parts for energy collection and cooking coupled by a PCM storage unit. Solar energy is stored in the PCM storage unit during sunshine hours and is utilized for cooking in late evening/night time. Commercial grade erythritol was used as a latent heat storage material. Noon and evening cooking experiments were conducted with different loads and loading times. Cooking experiments and PCM storage processes were carried out simultaneously. It was observed that noon cooking did not affect the evening cooking, and evening cooking using PCM heat storage was found to be faster than noon cooking. The cooker performance under a variety of operating and climatic conditions was studied at Mie, Japan. (c) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码:416 / 426
页数:11
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