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Thermal dynamic modeling and practice of the solar heated wind updraft tower power
Author(s): 
Pages: 20-23,26
Year: Issue:  4
Journal: Renewable Energy Resources

Keyword:  稳态数学模型 可控进风口 热风发电 集热棚面积系数;
Abstract: 在太阳能热气流发电的基础上增设进风口,形成了利用太阳能和风能的太阳能热风发电系统。建立了太阳能热风发电热动力稳态数学模型,通过此模型可判断出发电系统的稳定性,并可解出热风风速、集热棚出口温度及稳态数学模型的其它参数。文章介绍了太阳能热风发电系统的实际运行情况,运行结果与数学模型计算结果相吻合。理论分析和运行实践表明,提高塔筒高度、加大塔筒内外温差、增加集热棚的太阳能吸收率、增大集热棚面积系数及风力发电机组的风能利用率,是提高太阳能热风发电量的途径。
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