Abstract
Ultra-low energy building (UB) is being into real construction in China as the symbol of the higher energy-performance building standards. It is a great challenge to choose the appropriate terminal form of air conditioning that can achieve the indoor environment with low energy consumption and high comfort for UB in hot summer and cold winter areas of China. And the radiant cooling (RC) system could be considered because of the advantage of thermal comfortability and energy saving. The thermal response of the room with RC system has a great influence on thermal sensation of the occupant. This paper focuses on thermal response characteristic of UB and common energy-efficient building (CB) with RC system. A simplified steady-state heat transfer mathematical model for a typical office is presented in this study. According to the results, there is slight temperature fluctuation for wall surface and indoor air of UB but drastic for CB. Also, the thermal response characteristic of room with RC system for two buildings shows that indoor environment of UB is more sensitivity to RC system than that of CB. The research indicates that the UB presents more uniform and stable indoor thermal environment compared with CB with RC system, and this provides proposal for the optimal air conditioning of UB.
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Acknowledgements
This research was supported by the National Key R&D Program of China for the 13th Five-Year Plan (No. 2017YFC0702600).
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Li, Z., Zhang, D., Lu, S., Chen, X. (2020). Analysis of Inside Thermal Response Characteristic by Radiant Cooling System for Different-Level Energy-Efficient Building. 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_63
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DOI: https://doi.org/10.1007/978-981-13-9520-8_63
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