A turbine that extracts energy from moving water and converts it into electrical energy, is called a water turbine or hydraulic turbine.
Types Of Water Or Hydraulic turbine
The Hydraulic Or Water Turbines Are Classified On the following Basis,
1. According to The Type of Energy Available at Inlet.
(i) Impulse Turbine: If the energy available at the inlet of the turbine is only kinetic energy, the turbine is known as an impulse turbine.
(ii) Reaction Turbine: If the energy available at the inlet of the turbine is kinetic energy as well as pressure energy, the turbine is known as a reaction turbine.
2. According to the Direction of Flow
(i) Tangential Flow Turbine: If the water flows along the tangent of the runner, the Turbine is known as a tangential flow turbine.
(ii) Radial Flow Turbine: If the water flows in the radial direction through the runner, the turbine is called a radial flow turbine.
(iii) Axial Flow Turbine: If the water flows through the runner along the direction parallel to the axis of rotation of the runner the turbine is called an axial flow turbine.
(iv) Mixed Flow Turbine: If the water flows through the runner in the radial direction but leaves in the direction parallel to the axis of rotation of the runner, the turbine is called a mixed flow turbine.
