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暖通空调杂志社>期刊目次>2018年>第9期

个性化热舒适设备在自然通风教室的应用

Application of personalized thermal comfort equipment to naturally ventilated classrooms

王 雪 杨 柳 翟永超 徐 诚 徐沁韵 史明洋 高斯如
省部共建西部绿色建筑国家重点实验室 西安建筑科技大学

摘要:

在偏暖环境下,自然通风的大学教室可能会因室温过高以及较高的人员密度而影响学生的热舒适和学习效率。为研究个性化热舒适设备(桌面小风扇和通风坐垫)对大学教室使用者热舒适的改善效果,将受试者分成2组——使用个性化热舒适设备组(PCS组)和无设备对照组(CON组),并在受试者正常上课期间进行了主观问卷调研。研究结果表明:PCS组的中性温度为28.2 ℃,比CON组(25.9 ℃)高2.3 ℃;PCS组80%可接受度的上限温度为32.7 ℃,比CON组(29.2 ℃)高3.5 ℃;通过使用个性化热舒适设备,可以提升学生的热舒适性和可接受温度上限。

关键词:个性化热舒适设备,自然通风,大学教室,热舒适,热感觉

Abstract:

In a warm environment, naturally ventilated university classrooms may suffer overheated risk due to warm weather and high occupancy density, affecting students’ thermal comfort and learning efficiency. To study the effect of personalized thermal comfort equipment (desktop fans and ventilated cushion) on the thermal comfort of university classroom occupants, divides the subjects into two groups — with and without personalized thermal comfort equipment (PCS group and CON group), and conducts a subjective questionnaire survey during the normal class. The results show that the neutral temperature of the PCS group is 28.2 ℃, 2.3 ℃ higher than that of the CON group (25.9 ℃). The upper limit temperature of the 80% acceptability of the PCS group is 32.7 ℃, 3.5 ℃ higher than that of the CON group (29.2 ℃). Students’ thermal comfort and upper acceptable temperature limit can be improved by using personalized thermal comfort equipment.

Keywords:personalizedthermalcomfortequipment,naturalventilation,universityclassroom,thermalcomfort,thermalsensation

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