Impulse turbines are widely used in hydropower plants around the world due to their high
efficiency in a larger operating range compared to reaction turbines. State of the art Pelton …

In this study, the performance of an Archimedes screw turbine (AST), in terms of the power
coefficient (CP), was evaluated. The design parameters, including the inner and the outer …

In this work, four runners for a gravitational vortex turbine (GVT) were initially analyzed
numerically with the aim of selecting the one with the best efficiency (η). The selected rotor …

Propulsion system is one of ship systems which require more attention, especially on
propeller design. The propeller design greatly affects the ship speed. It is expected to be …

The computational method has long been used in propeller turbine studies. However, there
has not yet been a comprehensive explanation for mesh and timestep independency …

In this work, the efficiency of two horizontal-axis hydrokinetic turbines, whose blades were
designed with and without multi-element hydrofoil cross-sections, has been numerical and …

Energy crisis in particular, electricity in the isolated rural areas of Indonesia is a very crucial
issue that needs to be resolve through electrification. Compared to other options, pico hydro …

During the past two decades, passive rotors have been proposed and introduced to be used
in a number of different water sector applications. One of these applications is the use of a …

Wave channels are essential facilities for testing physical models at a laboratory scale,
playing a pivotal role in advancing wave energy technology and understanding wave …

The computational fluid dynamics (CFD) method is a method often used in predicting the
performance and flow field of turbine because it is cheap and fast. The accuracy of CFD …