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Cold Storage Capacity for Solar Air-Conditioning in Office Buildings in Different Climates

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Abstract

The building sector accounts for more than 40% of the global energy consumption. This consumption may be lowered by reducing building energy requirements and using renewable energy in building energy supply systems. Solar air-conditioning systems (SACS) are a promising solution for the reduction of conventional energy in buildings. The storage, especially the cold storage, plays an important role in SACS for unstable solar irradiation. In this paper, we took the absorption refrigerating unit as an example, and the solar air-conditioning system of an office building in Beijing was simulated. The accuracy of this model was verified by comparing with the SACS operation data. Moreover, based on the simulation data, the cold storage capacity of the solar air-conditioning system in different climatic regions was studied. The cold storage capacities of SACS in 20 cities distributed in different climate regions were studied systematically. The results simulated by our proposed model will be beneficial to the SACS design, and will enlarge the application of SACS.

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Acknowledgement

This work was funded by the National Key R&D Program of China (No. 2017YFC0702600).

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Authors and Affiliations

  1. College of Architecture and Civil Engineering, Beijing University of Technology, Beijing, 100124, China

    Zhifeng Sun & Yaohua Zhao

  2. Institute of Building Environment and Energy, China Academy of Building Research, Beijing, 100013, China

    Zhifeng Sun, Wei Xu, Dongxu Wang, Xinyu Zhang & Huai Li

  3. School of Civil and Resources Engineering, University of Science and Technology Beijing, Beijing, 100083, China

    Huiyong Li

  4. Second Design Institute, Beijing Institute of Architectural Design, Beijing, 100045, China

    Yang Li

Authors
  1. Zhifeng Sun
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  2. Yaohua Zhao
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  3. Wei Xu
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  4. Dongxu Wang
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  5. Huiyong Li
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  6. Xinyu Zhang
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  7. Huai Li
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  8. Yang Li
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Corresponding author

Correspondence to Dongxu Wang.

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Sun, Z., Zhao, Y., Xu, W. et al. Cold Storage Capacity for Solar Air-Conditioning in Office Buildings in Different Climates. J. Therm. Sci. 28, 1195–1204 (2019). https://doi.org/10.1007/s11630-019-1067-y

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  • DOI: https://doi.org/10.1007/s11630-019-1067-y

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