不同辐射模型对太阳能烟囱数值模拟影响研究

doi:10.19912/j.0254-0096.tynxb.2021-0612

太阳能学报 ›› 2022, Vol. 43 ›› Issue (11): 100-105.DOI: 10.19912/j.0254-0096.tynxb.2021-0612

不同辐射模型对太阳能烟囱数值模拟影响研究

聂晶^1,2, 王静文¹, 贾靖¹, 闫素英^1,2, 苏昊¹, 高虹^1,2

1.内蒙古工业大学能源与动力工程学院,呼和浩特 010051;
2.内蒙古可再生能源重点实验室,呼和浩特 010051

收稿日期:2021-06-01 出版日期:2022-11-28 发布日期:2023-05-28
通讯作者: 高虹（1972—）,女,博士、副教授,主要从事强化传热技术方面的研究。1505071310@qq.com
基金资助:
风能太阳能利用技术教育部重点实验室开放基金（2019-2021）; 内蒙古自然科学基金（2021LHMS05007）; 内蒙古工业大学博士基金（BS201933）; 内蒙古自治区重大专项（2019ZD0014）

INFLUENCE OF DIFFERENT RADIATION MODELS ON NUMERICAL SIMULATION OF SOLAR CHIMNEY

Nie Jing^1,2, Wang Jingwen¹, Jia Jing¹, Yan Suying^1,2, Su Hao¹, Gao Hong^1,2

1. College of Energy and Power Engineering, Inner Mongolia University of Technology, Hohhot 010051, China;
2. Inner Mongolia Key Laboratory of Renewable Energy, Hohhot 010051, China

Received:2021-06-01 Online:2022-11-28 Published:2023-05-28

摘要/Abstract

摘要： 以太阳能烟囱发电（SCPP）系统为研究对象,比较定热流密度、离散纵坐标（DO）辐射模型、表面对表面（S2S）辐射模型对SCPP温度、速度等性能模拟结果,将3种模型模拟结果与试验数据对比,选择更合适的辐射模型应用于SCPP数值模拟。结果表明,S2S辐射模型集热棚出口流体最大速度比定热流密度和DO辐射模型分别高0.13、0.36 m/s;S2S辐射模型沿烟囱入口流体最大湍流黏度比定热流密度和DO辐射模型分别高16.87%、8.44%;定热流密度、DO辐射模型、S2S辐射模型沿集热棚半径流体温度与试验结果的误差分别为3.09%、0.98%、10.14%。DO辐射模型更适合SCPP系统的数值模拟计算。

关键词: 太阳能烟囱, 辐射模型, 数值模拟, 集热系统

Abstract: The solar chimney power plant（SCPP）system is taken as the research object. The simulation results of SCPP temperature and velocity by constant heat flux, discrete ordinate （DO） radiation model and surface to surface （S2S） radiation model were compared. The simulation results of the three models were compared with the experimental data, and a more suitable radiation model was selected for SCPP numerical simulation.The results show that the maximum fluid velocity of S2S radiation model is 0.13 m/s and 0.36 m/s higher than that of constant heat flux and DO radiation model, respectively. The maximum turbulent viscosity of the S2S radiation model along the inlet of the chimney is 16.87% and 8.44% higher than that of the constant heat flux and DO radiation model, respectively. The errors of the fluid temperature along the radius of the heat collecting shed are 3.09%, 0.98% and 10.14%, respectively, for the constant heat flux, DO radiation model and S2S radiation model. DO radiation model is more suitable for SCPP numerical model.

Key words: solar chimney, radiation model, numerical simulation, collector system

中图分类号:

TK514

聂晶, 王静文, 贾靖, 闫素英, 苏昊, 高虹. 不同辐射模型对太阳能烟囱数值模拟影响研究[J]. 太阳能学报, 2022, 43(11): 100-105.

Nie Jing, Wang Jingwen, Jia Jing, Yan Suying, Su Hao, Gao Hong. INFLUENCE OF DIFFERENT RADIATION MODELS ON NUMERICAL SIMULATION OF SOLAR CHIMNEY[J]. Acta Energiae Solaris Sinica, 2022, 43(11): 100-105.

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不同辐射模型对太阳能烟囱数值模拟影响研究

INFLUENCE OF DIFFERENT RADIATION MODELS ON NUMERICAL SIMULATION OF SOLAR CHIMNEY

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