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首页> 外文期刊>Sustainable Energy Technologies and Assessments >Numerical performance modelling of solar chimney power plants: Influence of chimney height for a pilot plant in Manzanares, Spain
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Numerical performance modelling of solar chimney power plants: Influence of chimney height for a pilot plant in Manzanares, Spain

机译：太阳烟囱发电厂的数值性能建模：西班牙桑纳莱斯飞行员烟囱高度的影响

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摘要

3D axisymmetric CFD model is developed for a solar chimney power plant (SCPP) in Manzanares, Spain, and potential impacts of chimney height (H) on main performance parameters are comprehensively analysed. Mesh-independent solutions are achieved, and accuracy justification is done over the previous numerical and experimental attempts prior to parametric research. Discrete ordinate (DO) non-grey radiation model with solar ray tracing approach is adopted in the research. A very good accordance is achieved between the numerical findings and in-situ data. For five different H values, temperature, pressure and velocity distributions within the pilot plant are achieved as well as maximum air velocity, mass flow rate of air, temperature rise in collector, dynamic pressure difference at the turbine position, overall system efficiency and potential electrical power. It is found that maximum air velocity thus mass flow rate shows an exponential growth in H. On the contrary, temperature rise in collector notably reduces with the increasing H. Overall system efficiency is determined to be 0.67% whenH = 500 m. Power output (P) linearly rises with H. The system is capable of generating 55 and 134 kW electrical power, for H = 200 and 500 m, respectively.
机译：3D轴对称CFD模型是为Manzanares，西班牙，西班牙，西班牙的太阳能烟囱发电厂（SCPP）开发，并综合分析了烟囱高度（H）对主要性能参数的潜在影响。实现了网状独立的解决方案，并且在参数研究之前之前的数值和实验尝试完成了准确性理由。采用离散纵坐标（DO）具有太阳光线追踪方法的非灰色辐射模型。在数值结果和原位数据之间实现了非常好的。对于五种不同的H值，达到导频装置内的温度，压力和速度分布以及最大的空气速度，空气质量流速，收集器中的温度升高，涡轮机位置的动态压力差，整体系统效率和潜在电气力量。发现最大的空气速度因此质量流速显示出H的指数增长。相反，收集器中的温度升高，随着升高的升高，将整体系统效率确定为0.67％=500μm。功率输出（P）用H线性上升。该系统能够分别产生55和134千瓦电力，分别用于H = 200和500μm。

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  • 来源
    《Sustainable Energy Technologies and Assessments》 |2020年第6期|100704.1-100704.9|共9页
  • 作者

    Cuce Erdem; Sen Harun; Cuce Pinar Mert;

  • 作者单位

    Recep Tayyip Erdogan Univ Low Zero Carbon Energy Technol Lab Fac Engn Zihni Derin Campus TR-53100 Rize Turkey|Recep Tayyip Erdogan Univ Dept Mech Engn Fac Engn Zihni Derin Campus TR-53100 Rize Turkey;

    Recep Tayyip Erdogan Univ Low Zero Carbon Energy Technol Lab Fac Engn Zihni Derin Campus TR-53100 Rize Turkey|Recep Tayyip Erdogan Univ Dept Mech Engn Fac Engn Zihni Derin Campus TR-53100 Rize Turkey;

    Recep Tayyip Erdogan Univ Low Zero Carbon Energy Technol Lab Fac Engn Zihni Derin Campus TR-53100 Rize Turkey|Recep Tayyip Erdogan Univ Dept Energy Syst Engn Fac Engn Zihni Derin Campus TR-53100 Rize Turkey;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Solar chimney power plant; CFD model; Chimney height; Solar intensity; Optimisation;

    机译：太阳能烟囱发电厂;CFD模型;烟囱高度;太阳能;优化;

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