Applications of computational fluid dynamic (CFD) techniques to hydropower have
increased rapidly in the last three decades. The majority of the experimental investigations …

Flow turbulence properties are of utmost importance for the optimization of mixing in stirred
vessels. A new experimental-theoretical framework is developed to study such turbulence …

The paper critically reviews the verification and validation (VV) techniques applied to
investigate hydraulic turbines. Although there are well-established standards such as AIAA …

Off-design conditions of hydropower turbines are becoming more frequent with the
deregulation of electricity markets and the introduction of renewable energy resources …

Hydropower, originally designed as a base electrical power, is now used to balance grid
fluctuations that are primarily produced by market deregulation and the introduction of other …

The development of energy recovery systems on existing water utility networks is a new
challenge for increasing the sustainability of electricity generation mix. The concept of the …

During the operation of a hydro turbine the fluid mechanical pressure loading on the turbine
blades provides the driving torque on the turbine shaft. This fluid loading results in a …

In the present paper, we focus on the flow computation of a low head Propeller turbine at a
wide range of design and off-design operating conditions. First, we will present the results …

Off-design operations, such as speed-no-load (SNL), are damaging conditions for reaction
hydraulic turbines such as Francis turbines. Identification and characterization of the flow …

Past numerical and experimental research has shown that the draft tube inlet velocity is
critically important to hydropower plant performance, especially in the case of low-head …