What is the difference between inward flow reaction turbine and outward flow reaction turbine?
In this turbine, the inner diameter of the runner is the inlet and outer diameter is an outlet….Comparison between inward and outward radial flow reaction turbine.
| Inward flow reaction turbine | Outward flow reaction turbine |
|---|---|
| Used in medium and high head conditions. | Used in small head and practically very low in use. |
What is inward and outward flow turbine?
If water flows through the runner from inwards to outwards, turbines will be termed as outward radial flow turbine. Inward radial flow reaction turbine. If water flows through the runner from outwards to inwards, such turbines will be termed as inward radial flow turbines.
What is inward flow reaction turbine?
Inward flow turbine: The flow is inward from the periphery to the centre (centripetal type). Example: old Francis turbine. Outward flow turbine: The flow is outward from the centre to the periphery (centrifugal type). Example: Fourneyron turbine.
What is outward flow reaction turbine?
A. The water flows parallel to the axis of the wheel. The water enters at the centre of the wheel and then flows towards the outer periphery of the wheel. The water enters the wheel at the outer periphery and then flows towards the centre of the wheel.
What is the difference between axial and radial flow?
Axial flow impellers cause the tank fluid to flow parallel to the impeller’s axis of rotation while radial flow impellers cause the tank fluid to flow perpendicular to the impeller’s axis of rotation.
What is basic difference between the radial flow and axial flow reaction turbines?
Whereas for an axial turbine the rotor is ‘impacted’ by the fluid flow, for a radial turbine, the flow is smoothly orientated perpendicular to the rotation axis, and it drives the turbine in the same way water drives a watermill.
Which turbine is outward flow reaction turbine?
Francis turbine is an outward reaction turbine. In Francis turbine, water comes tangentially towards the centre of turbine hand leaves the turbine axially hence it is inward flow reaction turbine.
What is the difference between propeller and Kaplan turbine?
The difference between the Propeller and Kaplan turbines is that the Propeller turbine has fixed runner blades while the Kaplan turbine has adjustable runner blades.
What is axial flow reaction turbine?
Axial flow turbines, or horizontal axis turbines, closely resemble typical horizontal axis wind turbines. The rotors of axial flow turbines, with blades at one end, are installed on a vertical beam fixed on the seabed. As the current flow turns the blades, the turbine starts to spin and generate electrical energy.
What is the difference between Kaplan and Francis turbine?
Efficiency of Kaplan turbine is higher than Francis turbine. Kaplan turbine is more compact in cross-section and has lower rotational speed to that of Francis turbine. In Kaplan turbine, the water flows axially in and axially out while in Francis turbine it is radially in and axially out.
What is the difference between Kaplan and Pelton turbine?
Pelton wheel is an impulse turbine where static pressure head of water is converted into mechanical energy. On the other hand, Francis and Kaplan’s turbines are reaction turbines where dynamic pressure head of water is converted into mechanical energy.
What is the difference between axial and radial flow turbine?
Axial-flow turbines and radial-inflow turbines are the two most common types of dynamic turbines. The flow streamlines through the blade rows of an axial-flow turbine have essentially a constant radius, whereas there is a substantial reduction in radius through the radial-inflow turbine.
What is the difference between axial and radial flow impellers?
What is the difference between Francis turbine and Kaplan turbine?
What is Pelton and Kaplan turbine and differentiate between them?
What is difference between Kaplan turbine and Propeller turbine?
The difference between the Propeller and Kaplan turbines is that the Propeller turbine has fixed runner blades while the Kaplan turbine has adjustable runner blades. It is a pure axial flow turbine uses basic aerofoil theory.
What is difference between Francis and Kaplan turbine?