Recently, studies suggest that the average indoor temperature is typically >30°C and that the maximum temperature can reach 37.5°C in hot‐humid areas. However, the effects caused by increasing the humidity at high indoor temperatures are not clear. In this study, twelve female and twelve male subjects were exposed to different operative temperature (26.6, 30.6, and 37.4°C) and relative humidity (50% and 70%) in a climate chamber. Data concerning thermal sensation, perceived air quality, and Sick Building Syndrome (SBS) were collected during 190‐min‐long exposure to each thermal condition. Heart rate, respiration rate, respiratory ventilation rate, mean skin temperature, and eardrum temperature were measured. It was found that increasing the relative humidity from 50% to 70% at 26 and 30°C had no significant effects on the physiological responses, thermal comfort, perceived air quality, or SBS symptoms of the subjects. However, when the temperature was elevated to 37°C, the heart rate, respiration rate, respiratory ventilation rate, mean skin temperature, and eardrum temperature increased significantly as a result of the increase in the relative humidity from 50% to 70%. The subjects felt hotter and more uncomfortable, and they found indoor air quality was more difficult to accept. The subjects are acclimatized to hot environments and more tolerant to heat. Therefore, the results are applicable to the acclimated people living in hot‐humid climate.

中文翻译：

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湿度增加对湿热气候中受试者在室内温度升高时的生理反应、热舒适度、感知空气质量和病态建筑综合症症状的影响

最近的研究表明，室内平均温度通常 >30°C，而在湿热地区最高温度可达 37.5°C。然而，在室内高温下增加湿度所造成的影响尚不清楚。在这项研究中，十二名女性和十二名男性受试者在气候室中暴露于不同的操作温度（26.6、30.6 和 37.4°C）和相对湿度（50% 和 70%）。在暴露于每种热条件 190 分钟期间收集了有关热感觉、感知空气质量和病态建筑综合症 (SBS) 的数据。测量心率、呼吸率、呼吸换气率、平均皮肤温度和鼓膜温度。结果表明，在 26 和 30°C 下将相对湿度从 50% 增加到 70% 对受试者的生理反应、热舒适度、感知空气质量或 SBS 症状没有显着影响。然而，当温度升高到37°C时，由于相对湿度从50%增加到70%，心率、呼吸频率、呼吸换气率、平均皮肤温度和鼓膜温度显着升高。受试者感觉更热、更不舒服，他们发现室内空气质量更难以接受。受试者能够适应炎热的环境并且更耐热。因此，该结果适用于生活在湿热气候中的适应人群。当温度升高到37℃时，相对湿度从50%增加到70%，心率、呼吸频率、呼吸换气率、平均皮肤温度和鼓膜温度显着升高。受试者感觉更热、更不舒服，他们发现室内空气质量更难以接受。受试者能够适应炎热的环境并且更耐热。因此，该结果适用于生活在湿热气候中的适应人群。当温度升高到37℃时，相对湿度从50%增加到70%，心率、呼吸频率、呼吸换气率、平均皮肤温度和鼓膜温度显着升高。受试者感觉更热、更不舒服，他们发现室内空气质量更难以接受。受试者能够适应炎热的环境并且更耐热。因此，该结果适用于生活在湿热气候中的适应人群。他们发现室内空气质量更难以接受。受试者能够适应炎热的环境并且更耐热。因此，该结果适用于生活在湿热气候中的适应人群。他们发现室内空气质量更难以接受。受试者能够适应炎热的环境并且更耐热。因此，该结果适用于生活在湿热气候中的适应人群。