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首页> 外文期刊>Building and Environment >Effects of local body heating on thermal comfort for audiences in open-air venues in 2022 Winter Olympics
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Effects of local body heating on thermal comfort for audiences in open-air venues in 2022 Winter Olympics

机译：2022年冬季奥运会在露天场所局部取暖对观众的热舒适度的影响

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摘要

The snow events of the 2022 Winter Olympic Games will be held in Chongli, Hebei Province, China, where the outdoor temperature is predicted to be lower than that of recent Winter Olympics hosts. The audiences of snow events watch the competitions in open-air building venue, where it is usually cold and windy. To reduce the negative impact of outdoor severe cold conditions on the viewing feelings, the effectiveness of several body heating measures (cushion, footpad, and gloves) were studied at temperature condition between - 10 degrees C and - 15 degrees C in a cryogenic chamber, with an air velocity of 0.9 m/s. Eight male subjects participated in this experiment, whose subjective evaluations and physiological parameters were recorded and analyzed. Additionally, the energy consumption of each heating measure was also monitored. The results show that the heating cushion is the most effective measure in improving the overall thermal evaluation, while the heating gloves has the highest ratio of thermal comfort improvement and energy consumption. The heating footpad is not ideal for either thermal comfort improvement or energy consumption, due to the high thermal resistance of the shoes.
机译：2022年冬季奥运会的降雪事件将在中国河北崇礼举行，预计室外温度将低于最近的冬季奥运会主办国。降雪活动的观众在露天建筑场地观看比赛，那里通常是寒冷多风的。为了减少室外严寒条件对观看感觉的负面影响，我们在低温室内-10摄氏度至-15摄氏度之间的温度条件下研究了几种人体加热措施（靠垫，脚垫和手套）的有效性，空气速度为0.9 m / s。八名男性受试者参加了该实验，记录并分析了他们的主观评价和生理参数。此外，还监控了每个加热措施的能耗。结果表明，加热垫是改善整体热评估的最有效措施，而加热手套的热舒适性改善和能耗最高。由于鞋子的高热阻，加热脚垫对于提高热舒适性或降低能量消耗都不理想。

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