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

  • Zhifeng Sun
  • Yaohua Zhao
  • Wei Xu
  • Dongxu WangEmail author
  • Huiyong Li
  • Xinyu Zhang
  • Huai Li
  • Yang Li
Article
  • 6 Downloads

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.

Keywords

office building solar air-conditioning system cold storage capacity TRNSYS 

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Notes

Acknowledgement

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

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Copyright information

© Science Press, Institute of Engineering Thermophysics, CAS and Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Zhifeng Sun
    • 1
    • 2
  • Yaohua Zhao
    • 1
  • Wei Xu
    • 2
  • Dongxu Wang
    • 2
    Email author
  • Huiyong Li
    • 3
  • Xinyu Zhang
    • 2
  • Huai Li
    • 2
  • Yang Li
    • 4
  1. 1.College of Architecture and Civil EngineeringBeijing University of TechnologyBeijingChina
  2. 2.Institute of Building Environment and EnergyChina Academy of Building ResearchBeijingChina
  3. 3.School of Civil and Resources EngineeringUniversity of Science and Technology BeijingBeijingChina
  4. 4.Second Design InstituteBeijing Institute of Architectural DesignBeijingChina

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