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Analysis of Indoor Air Acceptability Data from a Public Buildings Ventilation Study 公共建筑通风研究的室内空气可接受性数据分析
劳伦斯·伯克利(Lawrence Berkeley)实验室对四座公共建筑的通风进行了研究,收集的数据包括对室内环境和室内空气物理化学性质的感官评估。对该数据库进行分析,以确定室内气味可接受性标准如何取决于室内空气的其他质量,该标准在HRAE标准62-1981中定义为80%进入占用空间的个人的可接受性。研究发现,气味强度仅部分决定了气味的可接受性百分比。陈腐新鲜度评级与气味可接受性的相关性好于单独的气味强度。 有迹象表明,低浓度的甲醛或醛类会增加气味强度,但也意外地提高了气味的可接受性。这种效应值得进一步研究。所有这些观察结果都指向了气味特征在确定气味可接受性方面的可能重要性,而不是在通风研究中测量的。引文:ASHRAE Transactions,1983年,第89卷,pt。华盛顿特区2A。
Data collected in a Lawrence Berkeley Laboratory study on ventilation in four public buildings included sensory evaluations of indoor environment and of physical and chemical properties of indoor air. This data base was analyzed to establish how the indoor odor acceptability criterion, defined inASHRAE Standard 62-1981as an acceptability by 80% of individuals entering the occupied space, depends on other qualities of the indoor air. It was found that the odor intensity alone only partially determined the odor acceptability percentage. The staleness-freshness rating correlated to the odor acceptability better than the odor intensity alone. There was an indication that at low concentrations formaldehyde, or aldehydes, increased odor intensity but also unexpectedly improved the acceptability of odor. This effect merits further study. All these observations point toward the possible importance of odor character, not measured in the ventilation study, in determining the odor acceptability.
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