Role of distributed/discrete solar heaters for the entropy generation studies in the square and triangular cavities during natural convection

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• 作者：Debayan Das ^{debayan8221@gmail.com} ; Tanmay Basak ; ^{tanmay@iitm.ac.in}
• 关键词：Natural convection ; Entropy generation ; Discrete solar heating ; Triangular enclosure ; Energy efficiency
• 刊名：Applied Thermal Engineering
• 出版年：2017
• 出版时间：25 February 2017
• 年：2017
• 卷：113
• 期：Complete
• 页码：1514-1535
• 全文大小：4253 K
• 卷排序：113

文摘

Discrete solar heating methodologies are analyzed via entropy generation minimization. Natural convection in discretely heated square and triangular enclosures is examined. Effect of various positioning of solar heaters on entropy generation is analyzed. Efficient heating strategy is based on the optimal positioning of solar heaters. The case 3 (heaters placed centrally) heating strategy in any cavity is energy efficient.