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The effects of indoor temperature and exercise behavior on thermal comfort in cold region: A field study on Xi'an, China

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  • Gao, Yaping
  • Gao, Yan
  • Shao, Zhaonan
  • Ren, Yuhong

Abstract

It is important to create a comfortable, healthy, and low-carbon indoor thermal environment that meets the thermal needs of the human body at different exercise levels and climatic conditions. Forty-five subjects participated in subjective investigation and objective physiological test in Xi'an at temperatures of 13.5–22.5 °C in winter. The results show that the PMV overestimates the actual thermal sensation of exercise human body and the thermal adaptability is stronger. There is a dynamic game phenomenon between exercise behavior and indoor temperature. The actual neutral temperature (16.1–14.8 °C) and the preferred temperature decreases with increasing exercise time. We obtain that the exercise population has better resistance to cold and constantly reduce the need for indoor temperature. It indicates that the subjects may prefer a neutral or slightly cooler thermal environment. Moreover, the synergistic effect of the exercise time and indoor temperature promotes the early occurrence of fatigue and shows significant physiological reactions. The 90% actual acceptable temperature range is wider than the ASHRAE Standard. The upper limit of indoor thermal environment design parameters of GB50189 is oversupplied. It indicates that the current design parameters are contradictory to the needs of exercise population. The human body is less dependent on heating energy consumption during exercise. Therefore, energy efficient thermal comfort can be achieved in sports buildings.

Suggested Citation

  • Gao, Yaping & Gao, Yan & Shao, Zhaonan & Ren, Yuhong, 2023. "The effects of indoor temperature and exercise behavior on thermal comfort in cold region: A field study on Xi'an, China," Energy, Elsevier, vol. 273(C).
    • Handle: RePEc:eee:energy:v:273:y:2023:i:c:s0360544223006527
    DOI: 10.1016/j.energy.2023.127258
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    References listed on IDEAS

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    1. Tom Y Chang & Agne Kajackaite, 2019. "Battle for the thermostat: Gender and the effect of temperature on cognitive performance," PLOS ONE, Public Library of Science, vol. 14(5), pages 1-10, May.
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    Cited by:

    1. Jinhyung Park & Kwangwon Choi & Abu Talib & Jaewan Joe, 2024. "Investigation of Energy Consumption of Office Spaces with Active Workstations," Energies, MDPI, vol. 17(3), pages 1-12, January.

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