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The International Symposium on Heating, Ventilation and Air Conditioning

ISHVAC 2019: Proceedings of the 11th International Symposium on Heating, Ventilation and Air Conditioning (ISHVAC 2019) pp 1181–1190Cite as

A Comparison of Thermal Comfort of People from Buildings with Centralized Air-Conditioning Systems and Split Air-Conditioners

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

Abstract

A comparative study on thermal comfort of people from buildings with central air-conditioning system (CAC buildings) and split air-conditioner (SAC buildings) was conducted in climate chamber. The experimental conditions covered a wide thermal sensation range from cool to hot, and both physiological and psychological responses were collected. The results showed that the mean skin temperature was significantly higher for subjects from CAC buildings in the non-neutral conditions, while the skin wettednes was no significant difference between the two groups. The subjects from CAC and SAC buildings reported the same thermal sensations, and their neutral temperatures (26.8 and 26.6 °C) and thermal sensitivities (both 0.31 °C-1) were not significantly different as well. The 90% thermal acceptable SET ranges were 24.8–27.4 °C for subjects from CAC buildings and 24.4–30.1 °C for subjects from SAC buildings. The thermal acceptable upper limit was 2.7 °C lower for subjects from CAC buildings. The possible impacts of thermal history and expectation are discussed.

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References

  1. Luo, M., Wang, Z., Brager, G., et al.: Indoor climate experience, migration, and thermal comfort expectation in buildings. Build. Environ. 141, 262–272 (2018)

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Acknowledgements

This work was supported by the National Nature Science Foundation of China [No. 51708228]; “The 13th Five-year” National Key R&D Program of China [No. 2018YFC0704500]; and State Key Laboratory of Subtropical Building Science, SCUT [No. 2019ZB16]. Thanks to the sixty subjects.

Informed Consent All subjects were informed of the experiment procedure and possible risks, experiments were carried out with their consent, and informed consent was obtained from all individual subjects. Experimental procedures performed in studies involving human participants were in accordance with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

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Authors and Affiliations

  1. School of Civil and Architectural Engineering, Anyang Institute of Technology, Anyang, 455000, China

    Zhongjun Zhang

  2. State Key Laboratory of Subtropical Building Science, Department of Architecture, South China University of Technology, Wushan, Guangzhou, 510640, China

    Zhongjun Zhang, Yufeng Zhang & Adnan Khan

Authors
  1. Zhongjun Zhang
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  2. Yufeng Zhang
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  3. Adnan Khan
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Corresponding author

Correspondence to Yufeng Zhang .

Editor information

Editors and Affiliations

  1. Department of Building Thermal Engineering, School of Architecture, Harbin Institute of Technology, Harbin, Heilongjiang, China

    Zhaojun Wang

  2. Department of Building Science, School of Architecture, Tsinghua University, Beijing, China

    Yingxin Zhu

  3. Department of Building Thermal Engineering, School of Architecture, Harbin Institute of Technology, Harbin, Heilongjiang, China

    Fang Wang

  4. Department of Building Thermal Engineering, School of Architecture, Harbin Institute of Technology, Harbin, Heilongjiang, China

    Peng Wang

  5. Department of Building Thermal Engineering, School of Architecture, Harbin Institute of Technology, Harbin, Heilongjiang, China

    Chao Shen

  6. Department of Building Thermal Engineering, School of Architecture, Harbin Institute of Technology, Harbin, Heilongjiang, China

    Jing Liu

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Zhang, Z., Zhang, Y., Khan, A. (2020). A Comparison of Thermal Comfort of People from Buildings with Centralized Air-Conditioning Systems and Split Air-Conditioners. In: Wang, Z., Zhu, Y., Wang, F., Wang, P., Shen, C., Liu, J. (eds) Proceedings of the 11th International Symposium on Heating, Ventilation and Air Conditioning (ISHVAC 2019). ISHVAC 2019. Environmental Science and Engineering(). Springer, Singapore. https://doi.org/10.1007/978-981-13-9520-8_122

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