Effects of flow area changes on the potential of solar chimney power plants

被引：78
|
作者：
Koonsrisuk, Atit [1 ]
Chitsomboon, Tawit [1 ]
机构：
[1] Suranaree Univ Technol, Sch Mech Engn, Inst Engn, Muang District 30000, Nakhon Ratchasi, Thailand
来源：
ENERGY | 2013年 / 51卷
关键词：
Solar chimney power plant; Solar energy; Divergent top solar chimney; Convergent top solar chimney; Performance enhancement;
D O I：
10.1016/j.energy.2012.12.051
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The solar chimney power plant is a solar power plant for electricity generation by means of air flow induced through a tall chimney. Guided by a theoretical model, this paper uses CFD technology to investigate the changes in flow properties caused by the variations of flow area. It is found that the sloping collector roof affects the plant performance. The divergent-top chimney leads to augmentations in kinetic energy at the chimney base significantly. The proper combination between the sloping collector roof and the divergent-top chimney can produce the power as much as hundreds times that of the conventional solar chimney power plant. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：400 / 406
页数：7
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