Zobrazeno 1 - 10
of 678
pro vyhledávání: '"guide vanes"'
Autor:
Haiqi Wang, Jiayang Pang, Xiaobing Liu, Ziyao Zhou, Yuanyuan Gang, Zhenming Lai, Jianming Wang, Bo Qin
Publikováno v:
Energy Science & Engineering, Vol 12, Iss 9, Pp 3704-3717 (2024)
Abstract The Kizilsu River Basin in China is located in the desert Gobi area with high sediment content and high hardness. After 4798h operation, the maintenance of a high‐head Francis turbine in this basin found that the guide vane was seriously w
Externí odkaz:
https://doaj.org/article/186a922a7272407dbd1e10bb7dcac8b8
Autor:
Zhe Man, Zhe Xu, Zhonghua Gui, Wenfu Han, Yifeng Zhao, Fei Zhang, Lianchen Xu, Yuan Zheng, Kan Kan
Publikováno v:
Frontiers in Energy Research, Vol 12 (2024)
In current engineering, the transition process of pump turbines from pump to turbine mode mainly includes the shutdown process of pump operating and the startup process of turbine operating, and the switching of working conditions mostly depends on t
Externí odkaz:
https://doaj.org/article/afddb3bb557d4f1989c9214c2d12f0ce
Autor:
Dawid Zarębski, Krzysztof Jóźwik
Publikováno v:
Energies, Vol 17, Iss 19, p 4947 (2024)
The necessity to change systems generating electrical energy is evident. The best solution would be to use installations utilizing renewable energy sources, complemented by efficient electric energy storage. This process requires time and further dev
Externí odkaz:
https://doaj.org/article/223360bd297442e8a992d5eff158e716
Publikováno v:
International Journal of Thermofluids, Vol 22, Iss , Pp 100689- (2024)
Various engineering applications, such as heat exchangers, air conditioning systems, chemical reactors, and refrigeration systems, make use of enhanced heat transfer surfaces. Numerous methods have been explored to improve heat transfer rates and red
Externí odkaz:
https://doaj.org/article/4656f8e8ec174c798cd212ac2f502673
Autor:
Adel Alblawi
Publikováno v:
Frontiers in Mechanical Engineering, Vol 10 (2024)
In this article, an industrial gas turbine engine with a single spool (single spool 9EA-GT) is discussed, and a thermodynamic model for computing steady-state performance is presented. In addition, a novel component map production method for investig
Externí odkaz:
https://doaj.org/article/45968c4b76414631b37b8de3bdfeb78f
Autor:
XIAO Jiuhan, JIANG Weiguo, LI Kaiwen, HAN Dongyu, WANG Dong, WANG Di, WANG Hua, CHEN Lijia, LOU Langhong
Publikováno v:
Journal of Aeronautical Materials, Vol 43, Iss 3, Pp 22-31 (2023)
Large size nickel-based single crystal twin turbine guide vanes（TGVs）were prepared by grain continuator（GC）technology. Directional solidification was performed in a high-rate-solidification（HRS）Bridgman vacuum furnace. Then, the macro-etc
Externí odkaz:
https://doaj.org/article/e29e7115cd874720bcbe0dd1b0ced366
Autor:
Jianhui Qi, Bingkun Ma, Kan Qin, Kuihua Han, Jiangwei Liu, Jinliang Xu, Yueming Yang, Yongqing Xiao, Xujiang Wang
Publikováno v:
Engineering Applications of Computational Fluid Mechanics, Vol 16, Iss 1, Pp 2300-2322 (2022)
During the operation of supercritical CO[Formula: see text] (sCO[Formula: see text]) radial inflow turbines (RITs), sonic conditions may happen, which will decrease their efficiency. Non-standard design geometries are needed to reduce the losses. How
Externí odkaz:
https://doaj.org/article/17e3e5d5063e497a9dc029374f2990d8
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