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[HTML][HTML] Analysis of emerging technologies in the hydropower sector
The paper reviews recent research and development activities in the field of hydropower
technology. It covers emerging and advanced technologies to mitigate flow instabilities …
technology. It covers emerging and advanced technologies to mitigate flow instabilities …
Rotating vortex rope formation and mitigation in draft tube of hydro turbines–A review from experimental perspective
Hydropower is a clean and renewable source of energy which is widely used to generate
electric power and stabilize the power grid. It can respond quickly to any change in demand …
electric power and stabilize the power grid. It can respond quickly to any change in demand …
Effects of vortex rope formation in draft tube of reversible pump-turbine–A review
Reversible pump-turbines need to operate often at off-design operating conditions to
stabilize the electric grid. These operating conditions cause hydraulic instabilities due to the …
stabilize the electric grid. These operating conditions cause hydraulic instabilities due to the …
A new draft tube shape optimisation methodology of introducing inclined conical diffuser in hydraulic turbine
X Zhou, H Wu, L Cheng, Q Huang, C Shi - Energy, 2023 - Elsevier
A grid-connected integrated system incorporating cascade hydropower, solar/photovoltaic,
and wind power requires a hydraulic turbine to operate frequently under off-design …
and wind power requires a hydraulic turbine to operate frequently under off-design …
Optimization of axial water injection to mitigate the Rotating Vortex Rope in a Francis turbine
Abstract Rotating Vortex Rope (RVR) resulting from flow instabilities inside draft tube affects
the hydraulic turbine's efficiency and wear. Among the passive and active RVR mitigation …
the hydraulic turbine's efficiency and wear. Among the passive and active RVR mitigation …
Investigation of rotating vortex rope formation during load variation in a Francis turbine draft tube
Abstract Rotating Vortex Rope (RVR) has been a matter of focus for years due to the major
effects on hydraulic turbine's efficiency. The exact procedure of RVR formation is still vague …
effects on hydraulic turbine's efficiency. The exact procedure of RVR formation is still vague …
Hydropower: A renewable energy resource for sustainability in terms of climate change and environmental protection
Hydropower refers to energy conversion from flowing water into electricity. Due to water
recycling by the Sun, hydropower is widely accepted as a form of renewable energy. A …
recycling by the Sun, hydropower is widely accepted as a form of renewable energy. A …
[HTML][HTML] Experimental investigation of an adjustable guide vane system in a Francis turbine draft tube at part load operation
Hydraulic turbines are increasingly used to regulate the electrical grid. They thus have to
operate more often at off-design conditions where instabilities may develop leading to large …
operate more often at off-design conditions where instabilities may develop leading to large …
Unsteady regimes and pressure pulsations in draft tube of a model hydro turbine in a range of off-design conditions
We report on experimental study of flow and pressure pulsations in draft-tube of a laboratory
air model of Francis-99 hydro-turbine operating over a broad range of regimes employing a …
air model of Francis-99 hydro-turbine operating over a broad range of regimes employing a …
Experimental and numerical simulation research on flow characteristics of model pump-turbine in four-quadrant operating quadrants
Owing to the need for power grid peak regulation and frequency regulation, the pumped
storage unit has to undergo frequent working condition conversion, and the pump turbine …
storage unit has to undergo frequent working condition conversion, and the pump turbine …