Velocity diagram of impulse moving blade concept in english | Steam turbine |Thermal engineering

Velocity diagram of impulse moving blade concept in english | Steam turbine |Thermal engineering
In this video i discussed the velocity diagram for an impulse moving blade represents the relationship between absolute, relative, and blade velocities as steam or fluid interacts with the blade in an impulse turbine. This diagram is crucial for analyzing the efficiency and performance of the turbine stage. It typically consists of the following components:
To know details about velocity diagram for compounding click the link given below
• Compounding & its type...
1. Absolute Velocity (V): The velocity of the fluid relative to the stationary observer. It has an inlet and an outlet component
2. Blade Velocity (vb): The velocity of the moving blade itself.
3. Relative Velocity (Vr): The velocity of the fluid relative to the moving blade. It has an inlet and an outlet component.
4. Angles
Inlet blade angle and outlet blade angle.
1. Relative Velocity at Blade Inlet and Outlet:
2. Work Done Per Unit Mass Flow (Blade work
3. Blade Efficiency or diagram efficiently
4. Energy Supplied (Change in kinetic
5. Condition for Zero Shock Loss:
The relative velocity at the outlet must align with the blade's tangential direction
Velocity Diagram Interpretation:
The diagram is plotted in the following manner:
Velocity diagram of impulse turbine
Impulse turbine
Velocity diagram of impulse moving blade
Blade Velocity diagram of impulse turbine
Analysis of impulse turbine Velocity diagram
Thermal engineering
Velocity triangle of impulse turbine diagram
A triangle is drawn with and at the inlet.
A second triangle is drawn for the outlet with and
The angles and velocities are scaled to highlight the flow dynamics.
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[@thudumbabu795]

Sir can you give me the answer 👇

[@thudumbabu795]

Which one is following is correct in an Impulse turbine rotor a) both pressure and velocity decreases b) pressure decreases but velocity increases c) pressure remains constant and velocity increases d) pressure remains constant velocity decreases