Hydropower plants provide an asset over other renewables of production flexibility. Away
from the turbine design point; detrimental off-load instabilities may compromise the power …

Pumps in reverse function are one of the most cost-effective industrial devices to generate
power from small hydropower capacities. Due to the fact that the pump components are not …

Optimal operation of hydro turbine as one of the most important sources of renewable
energy is of great importance. In this article, using a combination of experimental and …

The hydraulic turbine in turbine mode (TMHT) with ultra-low specific speed is a new type of
energy recovery device for recovering energy stored in the high-pressure fluid. In order to …

The use of very low head (VLH) axial turbines in rivers and canals is one of the new
methods of utilizing hydropower on a small scale. These types of turbines are …

In recent times, optimization began to be popular in the turbomachinery field. The
development of computational fluid dynamics (CFD) analysis and optimization technology …

High-fidelity large eddy simulations (LES) were conducted to characterize the spatial and
temporal structure of turbulent flows in an industrial-sized Francis turbine while the unit …

Draft tube is the part of Francis turbines which is used to both discharge water and recover
kinetic energy at the exit of the runner. A design optimization study of an elbow type draft …

Current study presents fluid flow analysis using CFD and a surrogate based framework for
design optimization of Savonius wind turbines. The CFD model used for the study is …

Surface characteristics have an important role in defining hydrodynamics of the flow through
hydraulic machines. Surface roughness is a critical parameter that contributes to altering …