The air quality is reflected by CO2 concentration and air age. The thermal comfort evaluation in the cabin is on the basis of PMV-PPD (Predicted Mean Vote-Predicted Percentage of Dissatisfied people).
以CO2浓度和空气龄反映客舱内空气品质，PM V - PPD作为客舱内热舒适评价依据。
This study states the relationship among indoor air temperature and thermal sensation of subjects, as well as the relations of PMV and PPD under winter floor heating indoor environment.
通过冬季辐射地板取暖下的建筑室内环境的被验者实验，浅析室内气温与被验者的冷热感、PMV、PPD，以及PMV与PPD的关系。
The object of this study is to calculate predicted mean vote (PMV) and predicted percentage of dissatisfied (PPD) under thermal environment index.
探讨建筑室内温热环境指标的预计冷热感指标P MV，以及冷热舒适感预计不满率PPD的具体计算内涵。
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