New Water Wheel Blade Design for Improvement of Water WheelEfficiency in high Velocity Water Current

Water wheels have been known since antiquity. A channeling device is added to the water wheel to concentrate the flows energy into the turbine. Perform three-dimensional computational fluid dynamics simulations that allow us to obtain quantitative values for both the hydraulic torque and the power. The capabilities of CFDs by investigating the performance of a modified blade profile (paddle). Calculations of a number of different blade and channeling device geometries have carried out by using the commercial computational fluid dynamic software FLUENT. Sliding mesh model were used to compare different numbers and types of blades. The new design here proposed successfully increases the energy efficiency (about 0.89) in comparison with the classical ones. This new water wheel is designed for usage in the countryside of developing countries at sites remote from the existing electricity grid. The blade designed by Salimi to have a horizontal axis and run at high velocity water current

Keywords:

Hydropower , Waterwheel , Efficiency , Blade