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Analysis and optimization of heat dissipation of gas mainframe case based on field synergy principle
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Zhiqiang HUANG, Guoxu ZHANG, Zhiyong WANG, Shuo WANG, Cheng WANG, Tao LI, Zhengtao YOU
Journal of Mechanical Strength | 2025, 47(4) : 139 - 147
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Journal of Mechanical Strength | 2025, 47(4): 139-147
• ∙Optimization∙Reliability∙ •
Analysis and optimization of heat dissipation of gas mainframe case based on field synergy principle
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Zhiqiang HUANG, Guoxu ZHANG, Zhiyong WANG, Shuo WANG, Cheng WANG, Tao LI, Zhengtao YOU
Affiliations
  • School of Mechatronic Engineering, Southwest Petroleum University, Chengdu 610500, China
Published: 2025-04-15 doi: 10.16579/j.issn.1001.9669.2025.04.017
Outline
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In order to ensure the safe and stable operation of gas turbine units, and grasp the heat transfer mechanism of the ventilation system of the mainframe housing, a study on the ventilation and heat dissipation of the main engine box of gas turbine units was carried out. Based on the principle of field synergy, the internal flow field, temperature field and heat dissipation performance of key equipments in the mainframe cabinet were analysed, and an optimized scheme for adding a flow-guiding device was proposed. The results show that the volume of the high-temperature area inside the mainframe housing is 7.6%, mainly concentrated near the gas turbine shaft component, which is the main heat source inside the mainframe housing, with an average external surface temperature of 86.94 ℃. After the installation of a 50° flow-guiding device, the volume of the high-temperature area inside the mainframe housing is reduced to 5.1%, and the average external surface temperature of the gas turbine shaft is reduced to 81.98 ℃. The heat dissipation effect is significantly improved.

Gas turbine unit  /  Ventilation and heat dissipation  /  Numerical simulation  /  Field synergy principle  /  Optimization design
Zhiqiang HUANG, Guoxu ZHANG, Zhiyong WANG, Shuo WANG, Cheng WANG, Tao LI, Zhengtao YOU. Analysis and optimization of heat dissipation of gas mainframe case based on field synergy principle[J]. Journal of Mechanical Strength, 2025 , 47 (4) : 139 -147 . DOI: 10.16579/j.issn.1001.9669.2025.04.017
Funding
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  • CNOOC Science and Technology Project(ZX2022ZCZBF6256)
Appendix
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Year 2025 volume 47 Issue 4
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Article Info
doi: 10.16579/j.issn.1001.9669.2025.04.017
  • Receive Date：2023-09-13
  • Online Date：2026-03-20
  • Published：2025-04-15
Article Data
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History
  • Received：2023-09-13
  • Revised：2023-10-17
Funding
CNOOC Science and Technology Project(ZX2022ZCZBF6256)
Affiliations
    School of Mechatronic Engineering, Southwest Petroleum University, Chengdu 610500, China

Corresponding:

HUANG Zhiqiang, E-mail：
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Citations
表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
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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