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Erschienen in:
2020 | OriginalPaper | Buchkapitel
Test and Analysis of Summer Energy and Thermal Environment for the Nearly Zero-Energy Building in Severe Cold Area
verfasst von : Guohui Feng, Yue Wang, Xiaolong Xu, Kairan Wang
Erschienen in: Proceedings of the 11th International Symposium on Heating, Ventilation and Air Conditioning (ISHVAC 2019)
Verlag: Springer Singapore
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Abstract
Nearly zero-energy buildings (nZEBs) have transitioned from examination success to demonstration with broad prospects of development in the future. The actual operational effects of the building were evaluated through thermal environment testing and subentry energy consumption statistics. In August 2018, the energy consumption of the nearly zero-energy demonstration building of Shenyang Jianzhu University was measured. Based on data analysis, the daily electricity consumption is about 52.4 kWh, of which the energy consumption of the heat pump unit accounts for about 18% while that of water pump is about 55%. Besides, the fresh air ventilator consumes about 5%, and the fan coil is about 21%. Lighting takes up about 1% at last. The results show that the air-conditioning system runs well in summer. Besides, the temperature is stable between 23 and 25 °C, and indoor temperature in air-conditioning system is turned off 24 h can still steady at 24.73 °C, the building has good cooling keeping properties.