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Thermal comfort in primary school classrooms: A case study under subarctic climate area of Sweden

机译：小学教室的热舒适性：以瑞典亚北极气候区为例

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Limited studies were focused on primary school buildings especially under subarctic climate. Thermal comfort of children was assumed to be similar as that of adults, which may cause inaccuracy. To fill data blank and enrich global database, a field study was performed from late fall 2016 to early spring 2017 covering whole heating period in north part of Sweden. Indoor CO2 concentration was continuously monitored to evaluate indoor ventilation. Thermal comfort related parameters were continuously measured and predicted mean vote (PMV) was calculated. Subjective questionnaire surveys were performed every week except holidays. Subjective thermal sensation value (TSV) was always higher than objective PMV, which reflected thermal adaptation. The thermal adaptation became not obvious in middle and late winter because of long term exposure to heating environments. Heating system should be intensified gradually in early heating period, operated based on actual outdoor climate instead of experience in middle and late heating periods, extended under part load operation in early spring if necessary. The new 13-point TSV scale was pointed out by other researchers and tested inthis study, which can explore tiny TSV deviations from thermally neutral status and reflect more accurate thermal sensations.
机译：有限的研究集中在小学建筑上，尤其是在亚北极气候下。假定儿童的热舒适度与成人的相似，这可能会导致误差。为了填补数据空白并丰富全球数据库，从2016年秋末到2017年春初进行了一次实地研究，涵盖了瑞典北部的整个采暖期。连续监测室内二氧化碳浓度以评估室内通风。连续测量与热舒适性相关的参数，并计算预测的平均投票（PMV）。除节假日外，每周进行主观问卷调查。主观热感觉值（TSV）始终高于客观PMV，这反映了热适应性。由于长期暴露在加热环境中，热适应在冬季中期和后期变得不明显。加热系统应在早期加热阶段逐步加强，应根据实际室外气候而不是在中，后期加热阶段的经验进行操作，如有必要，应在早春进行部分负荷运行。其他研究人员指出并测试了新的13点TSV量表，该量表可以探索TSV与热中性状态之间的微小偏差，并反映出更准确的热感。

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