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Extension on Acceptable Range of Temperature with Stable Mechanical Airflow Under Hot-Humid Climate

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Proceedings of the 5th International Conference on Building Energy and Environment (COBEE 2022)

Part of the book series: Environmental Science and Engineering ((ESE))

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Abstract

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.

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References

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Acknowledgements

This work was financially supported by the Key Program of National Natural Science Foundation of China (No.51838011) and The Rixin Talent Program granted by Beijing University of Technology.

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Authors and Affiliations

  1. Key Laboratory of Green Built Environment and Energy Efficient Technology, Beijing University of Technology, Beijing, China

    Jinyue Zhou, Xiaojing Zhang, Jingchao Xie, Jiaping Liu & Caixia Zhao

Authors
  1. Jinyue Zhou
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  2. Xiaojing Zhang
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  3. Jingchao Xie
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  4. Jiaping Liu
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  5. Caixia Zhao
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Corresponding author

Correspondence to Jingchao Xie .

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Editors and Affiliations

  1. Centre for Zero Energy Building Studies, Concordia University, Montreal, QC, Canada

    Liangzhu Leon Wang

  2. Centre for Zero Energy Building Studies, Concordia University, Montreal, QC, Canada

    Hua Ge

  3. Department of Civil, Environmental and Architectural Engineering, University of Colorado Boulder, Boulder, CO, USA

    Zhiqiang John Zhai

  4. Department of Civil and Building Engineering, Université de Sherbrooke, Sherbrooke, QC, Canada

    Dahai Qi

  5. Centre for Zero Energy Building Studies, Concordia University, Montreal, QC, Canada

    Mohamed Ouf

  6. School of Environment and Architecture, University of Shanghai for Science and Technology, Shanghai, China

    Chanjuan Sun

  7. School of Building Services Science and Engineering, Xi’an University of Architecture and Technology, Xi’an, Shaanxi, China

    Dengjia Wang

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© 2023 The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

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Cite this paper

Zhou, J., Zhang, X., Xie, J., Liu, J., Zhao, C. (2023). Extension on Acceptable Range of Temperature with Stable Mechanical Airflow Under Hot-Humid Climate. In: Wang, L.L., et al. Proceedings of the 5th International Conference on Building Energy and Environment. COBEE 2022. Environmental Science and Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-19-9822-5_243

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  • DOI: https://doi.org/10.1007/978-981-19-9822-5_243

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-19-9821-8

  • Online ISBN: 978-981-19-9822-5

  • eBook Packages: EngineeringEngineering (R0)

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