Results 201 to 210 of about 2,207,326 (232)

Deformation Monitoring Systems for Hydroturbine Head-Cover Fastening Bolts in Hydroelectric Power Plants. [PDF]

Sensors (Basel)
Yujra Rivas E, Vyacheslavov A, V Gogolinskiy K, Sapozhnikova K, Taymanov R.   +4 more
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Influence of guide vane opening on channel vortex and pressure pulsation in Francis turbine runners

Physics of Fluids
In order to investigate the impact of guide vane opening on channel vortex and pressure pulsation within the runner of a Francis turbine, this research examines the cavitation phenomenon, channel vortex phenomenon, and flow field characteristics of a power station's turbine in China.
Xiaobing Liu, Lingjiu Zhou, Jiayang Pang   +2 more
exaly   +2 more sources

Analysis of the Flow Energy Loss and Q-H Stability in Reversible Pump Turbine as Pump with Different Guide Vane Opening Angles

Water (Switzerland), 2022
The internal flow problem of a reversible pump turbine restricts its safe and stable operation. Among them, the influence of the guide vane on the internal flow field is very crucial.

exaly   +2 more sources

GS0522 The Experiment of influence of Guide Vane Opening about Pump-Turbine characteristics

The Proceedings of Conference of Kanto Branch, 2016
D Kang
exaly   +2 more sources

Analysis of the complex hydraulic excitation and guide vane's structural response of pump-turbine at zero-flow point with different vane opening

Journal of Energy Storage
Ruofu Xiao, Mingkun Fang
exaly   +2 more sources

The influence of guide vane opening on the internal flow of a francis turbine

Journal of the Korean Society of Marine Engineering, 2013
The variable demand on the energy market requires a great flexibility in operating hydro turbines. However, Francis turbine operated at off-design conditions poses technical challenges related to large unsteady forces given by residual swirl and angular momentum.
Qingsheng Wei, Young-Do Choi
openaire   +1 more source

Numerical Simulation of Flow Characteristics of Pump Turbine with Small Guide Vanes Opening

2014 ISFMFE - 6th International Symposium on Fluid Machinery and Fluid Engineering, 2014
Pumped-storage power plant is an essential part of a stable, safe and efficient grid to compensate the random nature of custom energy consumptions by storing extra energy during the off-peak time and delivering energy during the peak time. Reversible pump turbine is the key component of the pumped-storage power plant. As the frequent transition between
Y. Zhang, null Shuhong Liu, null Yulin Wu, null Jintao Liu   +3 more
openaire   +1 more source

Sensitivity of the Winter-Kennedy method to different guide vane openings on an axial machine

Flow Measurement and Instrumentation, 2019
This work studies the effects of guide vane openings (GVOs) on the Winter-Kennedy (WK) flow measurement method using CFD.
Binaya Baidar, Jonathan Nicolle, Bhupendra K. Gandhi, Michel J. Cervantes   +3 more
openaire   +1 more source

The effectiveness of guide vanes and distributors on jet fans for open-cut mines

Soviet Mining Science, 1974
1. Guide-vane units of the types tested can increase the throw of a jet created by a propellerby a factor of 1.3–1.8 for the same drive power. The use of distributor units to untwist the jet is inadvisable for economic and health reasons. 2.
S. S. Filatov, A. I. Pavlov
openaire   +1 more source

Numerical Investigations of Model Propeller Turbine Performance Under Different Guide Vane Opening

Volume 1: Symposia, Parts A and B, 2008
In the paper, CFD method is applied to investigate model propeller turbine performance under different guide vane opening. First, the whole passage geometric models of model propeller turbine have been built with 0° runner blade under five kinds of guide vane opening, and subdivided with about 1.78 million cells of unstructured mesh.
Zhou Daqing, Bo Qu, Zheng Yuan
openaire   +1 more source