Applied Thermodynamics | Steam Turbines by Pavan | Learn Smarter
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Steam Turbines

Steam turbines convert thermal energy from high-pressure steam into mechanical work, classified into impulse and reaction types based on their operational principles. Pressure and velocity compounding techniques enhance turbine efficiency and manage fluid dynamics within the turbine stages. A combined approach further optimizes design for large pressure drops while maintaining efficiency.

Sections

  • 1

    Analysis Of Steam Turbines

    Steam turbines convert thermal energy from high-pressure steam into mechanical work through various compounding methods.

    Learning Practice

  • 1.1

    Impulse Turbine

    Impulse turbines convert high-velocity jets of steam into mechanical work without pressure drop across the blades.

    Learning Practice

  • 1.2

    Reaction Turbine

    Reaction turbines convert thermal energy from steam into mechanical work through partial expansion in both fixed and moving blades.

    Learning Practice

  • 2

    Velocity Compounding (Curtis Turbine)

    Velocity compounding in Curtis turbines uses multiple sets of moving blades to manage high-pressure steam and reduce blade speeds effectively.

    Learning Practice

  • 2.1

    Features

    This section discusses the features of steam turbines, including impulse turbines, reaction turbines, velocity compounding, pressure compounding, and combined compounding concepts.

    Learning Practice

  • 2.2

    Disadvantages

    This section outlines the disadvantages associated with steam turbines, particularly highlighting mechanical complexity and energy losses.

    Learning Practice

  • 3

    Pressure Compounding (Rateau Turbine)

    Pressure compounding in Rateau turbines divides total pressure drop into multiple stages for improved efficiency.

    Learning Practice

  • 3.1

    Features

    This section outlines the features and classifications of steam turbines, including impulse and reaction types, as well as compounding methods.

    Learning Practice

  • 4

    Combined Pressure-Velocity Compounding

    Combined pressure-velocity compounding optimizes turbine design for high-pressure drops with moderate speeds, enhancing efficiency.

    Learning Practice

References

Module VI_ Steam Turbines.pdf

Class Notes

Memorization

What we have learnt

  • Steam turbines are rotary e...
  • Impulse and reaction turbin...
  • Compounding techniques, inc...

Final Test

Revision Tests