Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Extension on Acceptable Range of Temperature with Stable Mechanical Airflow Under Hot-Humid Climate
This study addressed the effect of stable mechanical airflow generated by floor fans on thermal comfort zone in hot-humid conditions. 36 college students were tested in two adjacent offices with identical dimensions and layout. In hot-humid environments (26, 29 and 32 °C, with relative humidity of 40–60% and 70–90%), the subjective perceptions were investigated with air speed from 0.05 to 2.0 m/s. Subjects reached neutrality at 26 °C without airflow, at 29 °C/55% with air speed of 0.4 m/s, at 29 °C/85% with 1.2 m/s, and at 32 °C/55% with 2.0 m/s. At 32 °C/85%, thermal sensation remained warm even at a high air speed of 2.0 m/s. As air speed elevated from 0.05 to 1.6 m/s, the neutral temperature increased from 26.3 to 29.7 °C with humidity of 40–60%, from 26 to 27.7 °C with 70–90%. Accordingly, the upper temperature limit for 90% acceptability extended from 27.7 °C to 31.3 °C and from 26.9 °C to 28.6 °C, respectively.
Extension on Acceptable Range of Temperature with Stable Mechanical Airflow Under Hot-Humid Climate
This study addressed the effect of stable mechanical airflow generated by floor fans on thermal comfort zone in hot-humid conditions. 36 college students were tested in two adjacent offices with identical dimensions and layout. In hot-humid environments (26, 29 and 32 °C, with relative humidity of 40–60% and 70–90%), the subjective perceptions were investigated with air speed from 0.05 to 2.0 m/s. Subjects reached neutrality at 26 °C without airflow, at 29 °C/55% with air speed of 0.4 m/s, at 29 °C/85% with 1.2 m/s, and at 32 °C/55% with 2.0 m/s. At 32 °C/85%, thermal sensation remained warm even at a high air speed of 2.0 m/s. As air speed elevated from 0.05 to 1.6 m/s, the neutral temperature increased from 26.3 to 29.7 °C with humidity of 40–60%, from 26 to 27.7 °C with 70–90%. Accordingly, the upper temperature limit for 90% acceptability extended from 27.7 °C to 31.3 °C and from 26.9 °C to 28.6 °C, respectively.
Extension on Acceptable Range of Temperature with Stable Mechanical Airflow Under Hot-Humid Climate
Environ Sci Eng
Wang, Liangzhu Leon (Herausgeber:in) / Ge, Hua (Herausgeber:in) / Zhai, Zhiqiang John (Herausgeber:in) / Qi, Dahai (Herausgeber:in) / Ouf, Mohamed (Herausgeber:in) / Sun, Chanjuan (Herausgeber:in) / Wang, Dengjia (Herausgeber:in) / Zhou, Jinyue (Autor:in) / Zhang, Xiaojing (Autor:in) / Xie, Jingchao (Autor:in)
International Conference on Building Energy and Environment ; 2022
Proceedings of the 5th International Conference on Building Energy and Environment ; Kapitel: 243 ; 2267-2271
05.09.2023
5 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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