中小学教室由于其建筑功能特点及使用人群的不同,室内热环境现状与需求不同于其他类型建筑.研究分别选取典型中、小学教室为样本,以春季4月份为时间节点进行了对比研究.研究发现当前中小学教室热工性能较差,中午及下午室内温度偏高,且室内风速值偏低,学生热不舒适感强烈.通过统计分析发现中小学生的中性温度值分别为:20.13℃,17.7℃.针对影响热感觉的因子进行了敏感性分析,发现在教室低风速情况下,人体热感觉对平均辐射温度的敏感性更高.此外,文章还就当前发现的热环境问题提出了相应的改善建议及措施.
Due to its different functions and users, the indoor environment in middle and primary school classrooms is quite different from that in other types of architecture. We took middle and primary school classrooms as samples and made comparative studies based in spring. From study it is found that the thermal performance of the classrooms was poor. The indoor air temperature was high and the indoor velocity of the wind was low. Pupils' hot thermal uncomfort was intense. The neutral temperatures of middle and primary school students were computed to 20.13 ℃ and 17.7℃ by statistical analysis. Taking impact factors into sensitivity analysis, thermal comfort was found to be more sensitive to MRT when the velocity in classroom was low. In addition, the corresponding measures to improve the current thermal environment was put forward.