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首页> 外文期刊>Energy Exploration & Exploitation >Numerical and experimental study of effect of paraffin phase change heat storage capsules on the thermal performance of the solar pond
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Numerical and experimental study of effect of paraffin phase change heat storage capsules on the thermal performance of the solar pond

机译：石蜡相变热储存胶囊对太阳能池热性能影响的数值和实验研究

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摘要

In this paper, the effect of adding the composite PCM (Phase Change Material) heat storage capsules to the heat storage layer of the salt gradient solar pond on the thermal performance of the solar pond was studied numerically and experimentally. Based on the program-controlled temperature simulation of the solar pond experimental platform, the effect of adding the composite PCM (48-50 degrees C and 58-60 degrees C melting point paraffin) heat storage capsules on the solar pond temperature and stability was studied, and a numerical simulation model was established to be compared by the experimental results. The results showed that the experimental temperature was consistent with the simulation results; the solar pond with PCM capsules had a smaller temperature change range than the conventional solar pond during the phase change process, but it did not have such effect in the non-phase transition process; in terms of flow, the addition of the PCM phase change units could reduce the flow rate of the heat storage zone, and the PCM with a larger latent heat had a more obvious suppression effect on the flow. Therefore, within a certain temperature range, adding PCM units to the solar pond had a positive effect on maintaining the stable temperature and stability of solar pond.
机译：在本文中，在数值和实验中研究了将复合PCM（相变材料）蓄热胶囊添加到盐梯度太阳能池的热储存层上的蓄热层。基于太阳能池塘实验平台的节目控制温度模拟，研究了加入复合PCM（48-50℃和58-60摄氏熔点石蜡）蓄热胶囊对太阳能池塘温度和稳定性的影响并且建立了数值模拟模型来通过实验结果进行比较。结果表明，实验温度与模拟结果一致;具有PCM胶囊的太阳能池在相变过程中的温度变化范围比传统的太阳能池更较小，但在非相变过程中没有这种效果;在流动方面，添加PCM相变单元可以降低蓄热区的流量，并且具有较大潜热的PCM对流动具有更明显的抑制效果。因此，在一定的温度范围内，向太阳能池中添加PCM单元对保持太阳能池的稳定温度和稳定性具有积极的影响。

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  • 来源
    《Energy Exploration & Exploitation》 |2021年第3期|1010-1023|共14页
  • 作者

    Hua Wang; Ma Xiaomeng; Zhang Liugang; Zhang Xinmin; Mei Yanyang; Zhang Anchao;

  • 作者单位

    Henan Polytech Univ Sch Mech & Power Engn 2001 Century Ave Jiaozuo 454003 Henan Peoples R China;

    Henan Polytech Univ Sch Mech & Power Engn 2001 Century Ave Jiaozuo 454003 Henan Peoples R China;

    Henan Polytech Univ Sch Mech & Power Engn 2001 Century Ave Jiaozuo 454003 Henan Peoples R China;

    Henan Polytech Univ Sch Mech & Power Engn 2001 Century Ave Jiaozuo 454003 Henan Peoples R China;

    Henan Polytech Univ Sch Mech & Power Engn 2001 Century Ave Jiaozuo 454003 Henan Peoples R China;

    Henan Polytech Univ Sch Mech & Power Engn 2001 Century Ave Jiaozuo 454003 Henan Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Salt gradient solar pond; phase change materials; thermal performance; numerical simulation; experimental study;

    机译：盐梯度太阳能池;相变材料;热性能;数值模拟;实验研究;

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