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Study on effects of dust on wall temperature of the receiver in solar power tower system
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Zhenjie WAN1, Jikang SU1, Boyao FAN1, Jinjia WEI2, Jiabin FANG2, Yang LIU1, Xuehong WU3
Thermal Power Generation | 2025, 54(11) : 83 - 90
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Thermal Power Generation | 2025, 54(11): 83-90
• Renewable energy power generation technology •
Study on effects of dust on wall temperature of the receiver in solar power tower system
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Zhenjie WAN1, Jikang SU1, Boyao FAN1, Jinjia WEI2, Jiabin FANG2, Yang LIU1, Xuehong WU3
Affiliations
  • 1.College of Building Environment Engineering, Zhengzhou University of Light Industry, Zhengzhou 450001, China
  • 2.School of Chemical Engineering and Technology, Xi’an Jiaotong University, Xi’an 710049, China
  • 3.College of Energy and Power Engineering, Zhengzhou University of Light Industry, Zhengzhou 450001, China
Published: 2025-11-25 doi: 10.19666/j.rlfd.202503071
Outline
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At home and abroad, the locations suitable for developing concentrated solar power are mainly in desert areas. Dust in these environments may accumulate on the heat absorbing surfaces of the receiver in the solar power tower system, resulting in failure of the wall and coating of the pipe. To protect the heat absorbing walls, a coupled heat transfer model is developed for the sand-pipe, and the effects of several parameters on the wall temperature are investigated, such as the dust particle diameter, the contact areas between the dust and tube wall, and the concentrated solar energy flux density. The results show that, the influence of dust particles on the temperature of the heat-absorbing pipes is limited to a small area, but it will cause local high-temperature hot spots on the pipes. With a high concentrated solar energy flux density, a large dust particle diameter and a small contract area between the dust particles and the heat-absorbing pipes, both the temperature of the dust particle and the hot spot at the pipes will increase greatly. The temperature of the dust particles could exceed their melting point, forming calcium-magnesium-aluminum-silicate (CMAS) deposits, which means the receiver is at risk of CMAS corrosion. Meanwhile, the high-temperature hot spots on the heat-absorbing pipes will affect the local thermal stress distribution, exacerbating the damage to the receiver. Therefore, during actual operation, the cleanliness of the heat-absorbing pipe walls should be regularly inspected to avoid the accumulation of large-sized dust particles. The research results can provide technical guidance for the operation and maintenance of the receiver in the concentrated solar power system.

concentrated solar power  /  tower type  /  receiver  /  dust particle  /  temperature distribution
Zhenjie WAN, Jikang SU, Boyao FAN, Jinjia WEI, Jiabin FANG, Yang LIU, Xuehong WU. Study on effects of dust on wall temperature of the receiver in solar power tower system[J]. Thermal Power Generation, 2025 , 54 (11) : 83 -90 . DOI: 10.19666/j.rlfd.202503071
Funding
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  • Key Scientific and Technological Research Project in Henan Province(231111320900)
  • Key Research Project Plan for Higher Education Institutions in Henan Province(24A480010)
  • Open Project of Henan Discipline Construction Research Center(2024-2-05)
Appendix
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Year 2025 volume 54 Issue 11
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96
41
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Article Info
doi: 10.19666/j.rlfd.202503071
  • Receive Date：2025-03-01
  • Online Date：2026-01-13
  • Published：2025-11-25
Article Data
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History
  • Received：2025-03-01
Funding
Key Scientific and Technological Research Project in Henan Province(231111320900)
Key Research Project Plan for Higher Education Institutions in Henan Province(24A480010)
Open Project of Henan Discipline Construction Research Center(2024-2-05)
Affiliations
    1.College of Building Environment Engineering, Zhengzhou University of Light Industry, Zhengzhou 450001, China
    2.School of Chemical Engineering and Technology, Xi’an Jiaotong University, Xi’an 710049, China
    3.College of Energy and Power Engineering, Zhengzhou University of Light Industry, Zhengzhou 450001, China
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https://castjournals.cast.org.cn/joweb/rlfd/EN/10.19666/j.rlfd.202503071
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表12种不同金属材料的力学参数
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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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