Impulse and Reaction Turbines Principles, Design, and Applications Md. Helal Hossain World University of Bangladesh Department of Mechanical Engineering
Introduction Overview of Turbines - Definition of turbines - Importance in power generation and mechanical work
Impulse Turbine Basics Definition - Explanation of impulse turbines Key Characteristics - High velocity steam or water jets - Energy conversion process
Working Principle of Impulse Turbines Diagram and Explanation - Nozzles convert pressure energy into kinetic energy - Impact on turbine blades Example: Pelton Wheel
Components of an Impulse Turbine Main Components - Nozzle - Rotor and blades - Casing Functions of Each Component
Reaction Turbine Basics Definition - Explanation of reaction turbines Key Characteristics - Pressure drop occurs over both the stationary and moving blades - Energy conversion process
Working Principle of Reaction Turbines Diagram and Explanation - Pressure energy and kinetic energy are converted as fluid moves through the turbine Example: Francis Turbine
Components of a Reaction Turbine Main Components - Guide vanes - Rotor and blades - Casing Functions of Each Component
Comparison of Impulse and Reaction Turbines Impulse Turbines - High velocity jets - Energy conversion at nozzles Reaction Turbines - Pressure drop over blades - Energy conversion within the blades Applications and Efficiency
Applications Impulse Turbines - Hydro power plants Reaction Turbines - Thermal power plants - Industrial applications
Conclusion Summary of key points Importance in energy conversion Future trends and developments in turbine technology