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热力发电  2015 

透平机组对立式太阳能热气流电站运行性能的影响

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Keywords: 立式太阳能热气流电站,涡轮机,数值模拟,fluent软件

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Abstract:

在立式集热板太阳能热气流发电系统负载情况下,不考虑空气流经透平机组时的阻力损耗及系统的摩擦、泄漏等耗散时,推导了系统的理论输出功率,建立了适用于立式太阳能热气流电站系统的数学模型,采用数值计算的方法得出系统的压力、速度及温度分布云图;根据数值模拟计算结果,分析透平机组前后动能差及热能与机械能之间的转换关系,得出透平机组放置的最佳位置为立式集热板热气流电站系统的顶部靠近出口处。

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