Home Journals Articles Updates About
CN
image
收藏切换
Numerical investigations on the coupled heat transfer characteristics of the cooling system of a supercritical carbon dioxide axial turbine
收藏切换
PDF
Dong ZHOU1, 2, Wenhao HUO1, 3, Hongdan LIU1, 2, Guoqing TANG1, Ya WANG1, Xin WEN1, 3, Guangju DAN1
Thermal Power Generation | 2023, 52(6) : 146 - 156
Less
收藏切换
Thermal Power Generation | 2023, 52(6): 146-156
• Equipments research on S-CO2 cycle power generation system •
Numerical investigations on the coupled heat transfer characteristics of the cooling system of a supercritical carbon dioxide axial turbine
Full
Dong ZHOU1, 2, Wenhao HUO1, 3, Hongdan LIU1, 2, Guoqing TANG1, Ya WANG1, Xin WEN1, 3, Guangju DAN1
Affiliations
  • 1.Chongqing Jiangjin Shipbuilding Industry Co., Ltd., Chongqing 402263, China
  • 2.National Engineering Research Center of Special Equipment and Power System for Ship and Marine Engineering, Shanghai 201108, China
  • 3.Key Laboratory of Marine Turbocharger Research, Chongqing Industry and Information Technology, Chongqing 402263, China
Published: 2023-06-25 doi: 10.19666/j.rlfd.202012195
Outline
收藏切换

A cooling system was designed for a supercritical carbon dioxide (S-CO2) axial turbine. The dry gas seal, shaft and casing were cooled by extracting the low temperature S-CO2 in the pipeline behind the compressor to ensure that the dry gas seal operating temperature was below 200 ℃. The flow and heat transfer characteristics of the cooling system were analyzed using the coupled heat transfer method, and the temperature distributions of solid domains such dry gas seal, shaft and casing of different cooling schemes were compared. The research shows that the temperature drop of the shaft reaches 220.3 ℃ when theshaft cooling scheme is adopted, and the maximum temperature of the dry gas seal is 229.1 ℃. Further introduction of S-CO2 with lower temperature and larger flow rate to cool the casing can inhibit the heating effect of the high temperature mainstream at the turbine inlet. The temperature drop of the shaft increases to 244.1 ℃, and the maximum temperature of the dry gas seal decreases to 181.2 ℃. Meanwhile, the reasonable temperature gradient of the cooled domains such as the dry gas seal, shaft and casing is achieved. The cooling system designed in this paper provides a solution for the safe and reliable operation of S-CO2 axial turbines.

supercritical carbon dioxide axial turbine  /  cooling system  /  heat transfer characteristics  /  temperature distribution
Dong ZHOU, Wenhao HUO, Hongdan LIU, Guoqing TANG, Ya WANG, Xin WEN, Guangju DAN. Numerical investigations on the coupled heat transfer characteristics of the cooling system of a supercritical carbon dioxide axial turbine[J]. Thermal Power Generation, 2023 , 52 (6) : 146 -156 . DOI: 10.19666/j.rlfd.202012195
Funding
Less
  • The National Key Research and Development Program of China(2018YFB1501004-4)
Appendix
Less
Year 2023 volume 52 Issue 6
PDF
50
6
Cite this Article
BibTeX
Article Info
doi: 10.19666/j.rlfd.202012195
  • Receive Date：2022-12-12
  • Online Date：2026-01-23
  • Published：2023-06-25
Article Data
Affiliations
History
  • Received：2022-12-12
Funding
The National Key Research and Development Program of China(2018YFB1501004-4)
Affiliations
    1.Chongqing Jiangjin Shipbuilding Industry Co., Ltd., Chongqing 402263, China
    2.National Engineering Research Center of Special Equipment and Power System for Ship and Marine Engineering, Shanghai 201108, China
    3.Key Laboratory of Marine Turbocharger Research, Chongqing Industry and Information Technology, Chongqing 402263, China
References
Share
https://castjournals.cast.org.cn/joweb/rlfd/EN/10.19666/j.rlfd.202012195
Share to
QR

Scan QR to access full text

Cite this article
BibTeX
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
关闭全屏
  • BibTeX
  • EndNote
  • RefWorks
  • TxT
Links
Articles
Latest Articles
Most Read
Collections
Updates
Events
News
Multimedia
About
About Us
Contact
No. 86 Xueyuan South Road, Haidian District, Beijing
100081
010-62199257
qkjq@cast.org.cn

Copyright © 2025 China Association for Science and Technology. All rights reserved. For all open access content, the relevant licensing terms apply.
Sponsored by the Office of the Leading Group for Cybersecurity and Informatization of CAST, and supported by Science and Technology Review Publishing House