Table of Contents
How many types of reaction turbine are there?
Mainly two types of reaction turbine: ( i ) Outward radial flow reaction turbine (ii) Inward flow reaction turbine.
Which turbine type is a reaction turbine?
6.2. Reaction turbines are placed in the water stream where the water enters the casing tangentially. After rotating the blades the water axially leaves the casing of the turbine. Francis and propeller turbines are the types of reaction turbines [3].
What are the different components in the reaction turbine?
Francis turbine rotor typically has nine or more fixed blades. Water enters directly above and around the runner, then the waterfalls and turns the turbine. The other main components are the draft tube, gate, and spiral in addition to the corridor.
What are the different types of turbine used in hydro power plant?
There are two main types of hydropower turbines: reaction and impulse. The type of hydropower turbine selected for a project is based on the height of standing water—referred to as “head”—and the flow, or volume of water over time, at the site.
How many types of reaction turbines are there Mcq?
Reaction Turbine MCQ Question 3 Detailed Solution
| Type of turbine | Head |
|---|---|
| High head turbines: Pelton turbine | Above 250 m |
| Medium head turbines: Francis turbine | 60 m – 250 m |
| Low head turbines: Kaplan and Propeller turbine | Below 60 m |
What is called reaction turbine?
Definition of reaction turbine : a turbine with rotating blades curved and arranged so as to develop torque from gradual decrease of steam pressure from inlet to exhaust — compare impulse turbine.
What is impulse and reaction turbine?
While the impulse turbine gets the kinetic energy and the momentum transferred by the water mass of a high-pressure jet, a reaction turbine is subjected to the pressure or potential energy generated by the weight of water at the bottom of the head working on one side of its blades called pressure side.
What are the different types of turbine blades?
Turbine blades are classified into three types: Impulse, reaction, and impulse-reaction.
What is a reaction turbine?
In these types of turbines, the entire turbine is immersed in water and changes in water pressure along with the kinetic energy of the water cause power exchange. Applications of reaction turbines are usually at lower heads and higher flow rates than impulse turbines. Reaction turbines are very diverse.
What are the different types of steam turbines?
Steam turbines may be classified into different categories depending on their construction, working pressures, size, and many other elements. But there are two basic types of steam turbines which are called impulse and reaction turbines. There are other types of steam turbines that are actually derivatives of these two main types.
What is the latest type of water turbine?
These are the latest type of turbines, in which the flow is partly radial and partly axial. Types of Reaction Turbine in Mixed Flow Turbine: Francis turbine. The Francis turbine is a type of water turbine that was developed by James B. Francis .
What are the types of radial flow turbines?
Radial Flow Turbine If the flow in the runner moves radially, the turbine is radial flow. These turbines are divided into two types: Inward radial flow and outward radial flow. Francis turbines can be in the form of radial flow turbines.