[HTML][HTML] Extending the operating range of axial turbines with the protrusion of radially adjustable flat plates: An experimental investigation
The implementation of hydropower to stabilize electrical grids dictates more frequent off-
design operations of these renewable energy resources. Flow instabilities under such …
design operations of these renewable energy resources. Flow instabilities under such …
Experimental investigation of part load vortex rope mitigation with rod protrusion in an axial turbine
S Shiraghaee, J Sundstrom… - Journal of Fluids …, 2024 - asmedigitalcollection.asme.org
The present paper investigates the rotating vortex rope (RVR) mitigation on an axial turbine
model by the radial protrusion of four cylindrical rods into the draft tube. RVR mitigation is of …
model by the radial protrusion of four cylindrical rods into the draft tube. RVR mitigation is of …
[HTML][HTML] State of the Art of CFD-DEM Coupled Modeling and Its Application in Turbulent Flow-Induced Soil Erosion
Fluid–soil interaction plays a pivotal role in various geotechnical engineering applications,
as it significantly influences processes such as erosion, sediment transport, and soil stability …
as it significantly influences processes such as erosion, sediment transport, and soil stability …
Linear global stability analysis of a transient swirling flow leading to the formation of a helical precessing vortex breakdown in a straight diffuser
Vortex breakdown occurs in highly swirling flows in various engineering applications, such
as hydraulic turbines working in either high-load or part-load conditions, leading to pressure …
as hydraulic turbines working in either high-load or part-load conditions, leading to pressure …
[HTML][HTML] Characterization of the rotating vortex rope pressure oscillations in a kaplan model turbine draft tube
The global demand for electricity generation has been increasing over the recent decades
and is expected to grow steadily. Therefore, activating new energy sources to improve the …
and is expected to grow steadily. Therefore, activating new energy sources to improve the …
Optimal flow control of vortex breakdown in a laminar swirling flow
In highly swirling flows, such as hydraulic turbines operating under part-load (PL) conditions,
vortex breakdown occurs and performance is impaired. Consequently, it is imperative that …
vortex breakdown occurs and performance is impaired. Consequently, it is imperative that …
Passive Control of Flow Around a Circular Cylinder with Different Bluff-Bodies
The paper presents steady and unsteady numerical simulations of the flow around a circular
bluff-body to investigate a methodology to apply to hydraulic turbines draft tube. The linear …
bluff-body to investigate a methodology to apply to hydraulic turbines draft tube. The linear …
[PDF][PDF] Flow Around a 2D-Cylinder: Influence of Bluff-Bodies in the Wake
The current paper presents the linear stability analysis (LSA) applied on the flow around a
2D bluff-body of circular shape at Reynolds number of 80. The LSA is applied to study the …
2D bluff-body of circular shape at Reynolds number of 80. The LSA is applied to study the …
Experimental Investigation and Mitigation of Part-load Pressure Pulsations in Hydro Turbines Using Solid-body Protrusion inside the Draft Tube
S Shiraghaee - 2024 - diva-portal.org
The global demand for electricity generation has been increasing over the recent decades
and is expected to grow steadily. Therefore, activating new energy sources to improve the …
and is expected to grow steadily. Therefore, activating new energy sources to improve the …