Rotating vortex rope formation and mitigation in draft tube of hydro turbines–A review from experimental perspective

S Kumar, MJ Cervantes, BK Gandhi - Renewable and Sustainable Energy …, 2021 - Elsevier
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 …

Review of hydrodynamics instabilities in Francis turbine during off-design and transient operations

R Goyal, BK Gandhi - Renewable energy, 2018 - Elsevier
Electricity generation from solar and wind has raised a significant concern about the stability
of grid networks. Hydroelectricity plays an important role to balance the stability of grid …

Vortex rope formation in a high head model Francis turbine

R Goyal, MJ Cervantes… - Journal of Fluids …, 2017 - asmedigitalcollection.asme.org
Francis turbine working at off-design operating condition experiences high swirling flow at
the runner outlet. In the present study, a high head model Francis turbine was …

Numerical simulation and experimental study of transient characteristics in an axial flow pump during start-up

S Fu, Y Zheng, K Kan, H Chen, X Han, X Liang, H Liu… - Renewable Energy, 2020 - Elsevier
In order to explore the impact load and instantaneous fluid pressure of transient flow on
pump station system under the nonregulative operating conditions, the transient …

Investigation methods for analysis of transient phenomena concerning design and operation of hydraulic-machine systems—A review

D Li, X Fu, Z Zuo, H Wang, Z Li, S Liu, X Wei - Renewable and Sustainable …, 2019 - Elsevier
Over the past decade, the use of conventional one-dimensional numerical-simulation
methods has been demonstrated to be inadequate in terms of their usefulness in …
[DOC] ntnu.no

A review on fluid structure interaction in hydraulic turbines: A focus on hydrodynamic dam**

C Trivedi - Engineering Failure Analysis, 2017 - Elsevier
Hydraulic turbines include stationary and rotating components. The interaction of the
components, mainly between the runner blades and distributor vanes, is critical when the …