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Research on the influence of heat storage operation strategies on the performance of integrat-ed energy system based on the solar energy storage and heating
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Xichao Zhou1, Xiaoxia Li2, 3, Zhen Li1, Nan Wang1, Pengxiang Zhao1, lin Cong1, Husheng Qiu3, Tao Xu4
Renewable Energy Resources | 2024, 42(1) : 71 - 78
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Renewable Energy Resources | 2024, 42(1): 71-78
Research on the influence of heat storage operation strategies on the performance of integrat-ed energy system based on the solar energy storage and heating
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Xichao Zhou1, Xiaoxia Li2, 3, Zhen Li1, Nan Wang1, Pengxiang Zhao1, lin Cong1, Husheng Qiu3, Tao Xu4
Affiliations
  • 1 State Grid Integrated Energy Services Group Co., Ltd. Beijing 100052 China
  • 2 Institute of Electrical Engineering, Chinese Academy of Sciences Beijing 100190 China
  • 3 School of Energy and Power Engineering Lanzhou University of Technology Lanzhou 730050 China
  • 4 School of Civil Engineering Guangzhou University Guangzhou 510006 China
Published: 2024-01-20
Outline
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The solar heating system coupled with seasonal thermal storage is a promising solution to solve the seasonal mismatch between the solar energy supply and heating demand. The thermal performance of the system in the heat storage season has a significant impact on the system's annual operation performance, and has a direct impact on the discharging process of the seasonal storage in the heating season. Therefore, based on the solar heating system coupled with seasonal thermal storage in Fanshan Town, Zhangjiakou, a dynamic simulation platform is built. The influence of different operation strategies on the performance of the system is analyzed by experiment and simulation methods. Results showed that the control strategies were significant for improving the heat collection performance of solar receiver and the exergy efficiency of the UWPS. The stratification of the seasonal storage has an impact on the collection efficiency of the receiver, especially at the end of the nonheating season. In addition, at the end of the nonheating season in typical year, the monthly solar collection efficiency could be increased by 4.8% in variable flow control compared to the temperature difference control.

solar heating  /  seasonal thermal energy storage  /  operational strategy  /  TRNSYS
Xichao Zhou, Xiaoxia Li, Zhen Li, Nan Wang, Pengxiang Zhao, lin Cong, Husheng Qiu, Tao Xu. Research on the influence of heat storage operation strategies on the performance of integrat-ed energy system based on the solar energy storage and heating[J]. Renewable Energy Resources, 2024 , 42 (1) : 71 -78 .
Year 2024 volume 42 Issue 1
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Article Info
  • Receive Date:2022-12-27
  • Online Date:2025-07-22
  • Published:2024-01-20
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  • Received:2022-12-27
Affiliations
    1 State Grid Integrated Energy Services Group Co., Ltd. Beijing 100052 China
    2 Institute of Electrical Engineering, Chinese Academy of Sciences Beijing 100190 China
    3 School of Energy and Power Engineering Lanzhou University of Technology Lanzhou 730050 China
    4 School of Civil Engineering Guangzhou University Guangzhou 510006 China
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表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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