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Analysis on the ideal energy efficiency of dehumidification process from buildings

机译：建筑物除湿过程的理想能效分析

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摘要

As dehumidification is one of the most important tasks of environment control of the building, it is necessary to know the energy efficiency of dehumidification processes. The energy efficiency can give the energy cost of drawing moisture from indoor air to the outside environment. This paper presents analysis of the ideal cost of dehumidification process by a liquid desiccant cycle. Formulas to calculate ideal efficiency of dehumidification process are obtained, which is determined by indoor temperature, outdoor temperature, and the temperature of the intersection point of the iso-relative humidity line of indoor air and the iso-humidity ratio line of outdoor air. The ideal efficiency of the condensing dehumidification method is lower than the ideal dehumidification process, due to the fact that condensing dehumidification method must dehumidify the air at the temperature of dew point. Results from this paper can be used as theoretical foundation for the further analysis of various dehumidification methods and the development of new dehumidification processes.
机译：由于除湿是建筑物环境控制的最重要任务之一，因此有必要了解除湿过程的能源效率。能源效率会产生将水分从室内空气吸到外部环境的能源成本。本文介绍了通过液体干燥剂循环进行除湿过程的理想成本分析。得出了计算理想除湿效率的公式，该公式由室内温度，室外温度以及室内空气的等相对湿度线与室外空气的等湿度比线的交点的温度确定。由于冷凝式除湿方法必须在露点温度下对空气进行除湿的事实，因此冷凝式除湿方法的理想效率低于理想的除湿工艺。本文的结果可作为进一步分析各种除湿方法和开发新的除湿工艺的理论基础。

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  • 来源
    《Energy and Buildings》 |2010年第11期|P.2014-2020|共7页
  • 作者

    Zhen Li; Xiao-Hua Liu; Zhang Lun; Yi Jiang;

  • 作者单位

    Department of Engineering Mechanics, Tsinghua University. Beijing 100084, PR China;

    Department of Building Science, Tsinghua University, Beijing 100084, PR China;

    rnDepartment of Building Science, Tsinghua University, Beijing 100084, PR China;

    rnDepartment of Building Science, Tsinghua University, Beijing 100084, PR 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

    dehumidification; ideal efficiency; thermodynamics; liquid desiccant; air conditioning;

    机译：除湿理想效率;热力学液体干燥剂空调;

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