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Experimental validation of the age-of-the-air CFD analysis: A case study

机译：AIR时代CFD分析的实验验证：案例研究

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People spend most of their time indoors, thus maintaining a good indoor air quality (IAQ) is essential. To this end, one of the most effective methods to follow is the design of efficient ventilation; for this, the study of the local mean age of air (LMA) parameter is necessary. The objective of this research was to assess the influence of the presence of furniture, through validation of the numerical model CFD. The latter was implemented to calculate LMA in a room with two different furniture arrangements. Prior research on LMA calculation according to the arrangement of the furniture within an enclosure is not found in the literature. The tracer gas concentration decay method was used to develop the experimental analysis. The concordance between the data from the experimentation with those obtained in the numerical analysis was assessed. A greater difference was found in the values of the case with more furniture elements, although there was good agreement. In this study, the influence of the geometry of both the space and the furniture, and its arrangement in the room, on the efficiency of ventilation is shown.
机译：人们在室内花费大部分时间，从而保持良好的室内空气质量（IAQ）至关重要。为此，最有效的方法之一是有效通风的设计;为此，需要研究空气（LMA）参数的局部平均年龄。本研究的目的是通过验证数值模型CFD来评估家具的存在的影响。后者被实施以计算具有两个不同家具布置的房间内的LMA。在文献中未发现根据围栏内的家具的布置的LMA计算的研究。示踪气体浓度衰减方法用于发展实验分析。评估来自实验与数值分析中获得的数据之间的数据之间的一致性。在具有更多家具元素的情况下，在案例的价值观中发现了更大的差异，尽管有良好的一致性。在这项研究中，示出了空间和家具的几何形状的影响，及其在室内的布置，在通风效率上。

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