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Applications of Phase Change Material in highly energy-efficient houses

机译:相变材料在高能效房屋中的应用

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摘要

Thermal mass combined with other passive strategies can play an important role in buildings energy efficiency, minimizing the need of space-conditioning mechanical systems. However, the use of lightweight materials with low thermal mass is becoming increasingly common. Phase Change Materials (PCMs) can add thermal energy storage benefits to lightweight constructions. There are many studies about the use of PCM in buildings, but there are still some difficulties for effective use and practical application of these materials. The study of applications used in real buildings could help us find solutions to these difficulties. This paper analyzed different PCM applications presented in highly efficient lightweight construction houses that have participated in the American Solar Decathlon, an international competition organized by U.S. Department of Energy. These houses have been tested and monitored in Washington DC, place with suitable climate conditions for short term thermal storage systems. The study started with a classification of the PCM applications and included an analysis of the systems, materials, switching temperatures, containments and design strategies used to improve the houses energy performance. Also, it included results of numerical simulations and experimentation that the participant team had done, complemented with information available in the literature about similar materials or applications.
机译:热质量与其他被动策略的结合可以在建筑物的能源效率中发挥重要作用,从而最大限度地减少对空间调节机械系统的需求。然而,使用具有低热质量的轻质材料变得越来越普遍。相变材料(PCM)可以为轻型结构增加热能存储的优势。关于在建筑物中使用PCM的研究很多,但是对于这些材料的有效使用和实际应用仍然存在一些困难。对实际建筑中使用的应用程序的研究可以帮助我们找到解决这些难题的方法。本文分析了参加美国太阳能十项全能竞赛(由美国能源部组织的国际竞赛)的高效轻质建筑房屋中呈现的不同PCM应用。这些房屋已在华盛顿特区进行了测试和监视,该地点的气候条件适合短期蓄热系统。该研究从PCM应用的分类开始,包括对系统,材料,开关温度,密封性和用于改善房屋能源性能的设计策略的分析。此外,它还包括参与者团队所做的数值模拟和实验的结果,并辅以文献中有关相似材料或应用的信息。

著录项

  • 来源
    《Energy and Buildings》 |2012年第7期|p.49-62|共14页
  • 作者单位

    T1SE Research Group.'Tecnicas Innovadoras y Sostenibles en la Edification', Department of Construction and Building Technology (DTCA), School of Architecture,Technical University of Madrid (UPM). Av.Juan de Herrera 4,28040 Madrid, Spain;

    T1SE Research Group.'Tecnicas Innovadoras y Sostenibles en la Edification', Department of Construction and Building Technology (DTCA), School of Architecture,Technical University of Madrid (UPM). Av.Juan de Herrera 4,28040 Madrid, Spain;

    T1SE Research Group.'Tecnicas Innovadoras y Sostenibles en la Edification', Department of Construction and Building Technology (DTCA), School of Architecture,Technical University of Madrid (UPM). Av.Juan de Herrera 4,28040 Madrid, Spain;

    ABIO Research Group, 'Arquitectura Bioclimatica en un entorno sostenible'. Department of Construction and Building Technology (DTCA), School of Architecture,Technical University of Madrid (UPM), Av.Juan de Herrera 4,28040 Madrid, Spain;

  • 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

    energy efficiency; energy storage; latent heat; PCM; phase change; solar decathlon; thermal mass;

    机译:能源效率;储能;潜热PCM;相变十项全能热质量;

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