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Jiahao Lu, Wei Yan, Ran Tao, Zhengwei Wang and Di Zhu
As a core component of pumped storage power plants for hydro and marine power storage, this paper investigates the mechanism of pressure pulsation fluctuations under different load conditions to improve the efficiency and operational stability of the sto...
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Linmin Shang, Jingwei Cao, Xin Jia, Shengrui Yang, Sainan Li, Lei Wang, Zhengwei Wang and Xiaobing Liu
The pumped storage power station plays a vital role in modern power systems, where the key component is the pump turbine. Variable-speed operation can improve the operating efficiency of the pump turbine and increase the operating efficiency under turbin...
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Lucrezia Manservigi, Mauro Venturini, Enzo Losi and Giulia Anna Maria Castorino
A pump as turbine (PAT) can be a cost-effective and versatile solution to recover energy in several fields of application. However, its optimal exploitation requires a reliable and general methodology for selecting the optimal turbomachine. To this purpo...
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Alex Brisbois and Rebecca Dziedzic
Installing pumps as turbines (PaTs) in water distribution networks can recover otherwise wasted energy, as well as reduce leakage caused by high water pressure. However, a barrier to their implementation is the lack of information on their performance in...
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Fan Yang, Zhongbin Li, Yuting Lv, Jindong Li, Guangxin Zhou and Ahmed Nasr
An axial-flow pump as a turbine (PAT), as compared to the conventional Francis turbine, has the advantages of not being restricted by the terrain and having lower cost to reverse the pump as a turbine for power generation. When an axial-flow pump is reve...
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Helena M. Ramos, Maria Cristina Morani, Francesco Pugliese and Oreste Fecarotta
Urbanization and population growth have been responsible for a significant increase in consumption of water and energy at a global scale. A careful management of water resource and infrastructures is crucial for Energy Transition, as well as for achievin...
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Xuyang Liu, Jiayang Pang, Lei Li, Weiqiang Zhao, Yupeng Wang, Dandan Yan, Lingjiu Zhou and Zhengwei Wang
Because a pump-turbine mainly undertakes the role of energy conversion and pumped storage in the field of hydropower engineering, the complex transition process and frequent conversion between different working conditions lead to the increase in the stre...
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Di Zhu, Wei Yan, Weilong Guang, Zhengwei Wang and Ran Tao
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Seungtaek Lim, Jiwon Yoon, Hosaeng Lee and Hyeonju Kim
South Korea is currently in the preparatory stage of commercializing an ocean thermal energy conversion (OTEC) system, as the demonstration of a 1 MW scale OTEC system has been accomplished. However, the commercialization of OTEC requires the establishme...
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Jörg R. Riccius and Evgeny B. Zametaev
A numerical turbine-blade fatigue-life analysis method is suggested. This method comprises a stationary thermal 3D finite element (FE) analysis of the hot run for the combined high-cycle fatigue (HCF) and creep analysis, and a follow-on (one-way coupled)...
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