| 太阳能热气流发电辅助加热烟囱特性数值模拟 |
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| 引用本文： | 郭天明,陈俊俊,庞赟佶,陈义胜,牛永红,王晓彤.太阳能热气流发电辅助加热烟囱特性数值模拟[J].陕西电力,2014(8):26-29. |
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| 作者姓名： | 郭天明 陈俊俊 庞赟佶 陈义胜 牛永红 王晓彤 |
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| 作者单位： | 内蒙古科技大学能源与环境学院,内蒙古包头014010 |
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| 基金项目： | 内蒙古自治区自然科学基金项目资助（2010MS0722） |
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| 摘 要： | 针对太阳能热气流发电系统,提出了采用二次辅助加热的技术措施,以增大气体内能,增加气流速度,提高烟囱抽力,降低烟囱高度的设想。利用流体动力学数值模拟软件Fluent对辅助加热烟囱特性进行数值模拟,研究辅助加热气流焓值变化对烟囱速度场、压力场分布的影响,并与无辅助加热情况进行比较。结果表明,太阳能热气流发电系统辅助加热可强化烟囱的抽吸作用,有利于发电机组的正常连续运行和发电输出功率的提高。
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| 关 键 词： | 太阳能 热气流发电 辅助加热 烟囱 速度场 压力场 |
Numerical Simulation of Auxiliary Heating Features about Solar Chimney Power Generation System |
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| GUO Tianming,CHEN Junjun,PANG Yunji,CHEN Yisheng,NIU Yonghong,WANG Xiaotong.Numerical Simulation of Auxiliary Heating Features about Solar Chimney Power Generation System[J].Shanxi Electric Power,2014(8):26-29. |
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| Authors: | GUO Tianming CHEN Junjun PANG Yunji CHEN Yisheng NIU Yonghong WANG Xiaotong |
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| Affiliation: | (School of Energy and Environment, Inner Mongolia University of Science and Technology,Baotou 014010, China) |
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| Abstract: | Aimed at reducing the cost of construction,and lowering the chimney height,the auxiliary heating technology is advanced in solar chimney power generation system as well as the internal energy and flowing velocity of air is increased.The CFD numerical simulation Fluent software is adopted for simulating the system features of auxiliary heating,the influence of the enthalpy change of auxiliary heating air flow on velocity field and pressure field in the chimney is discussed,and it＇s pointed that the auxiliary heating of solar thermal power generation can strengthen the sucking effect of the chimney compared with the condition without auxiliary heating,and it is advantageous to improve the continuous operation of generators and its power output. |
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| Keywords: | solar energy thermal power generation auxiliary heating chimney velocity field pressure field |
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