Applied Thermodynamics | Power and Refrigeration Cycles by Pavan | Learn Smarter
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Knowledge
Power and Refrigeration Cycles

The chapter covers various power and refrigeration cycles, detailing the fundamental processes involved in vapor and gas power cycles. Key topics include the Rankine cycle and its modifications, the exergy analysis for efficiency improvement, and the functioning of gas turbine cycles. The chapter also discusses the vapor compression refrigeration cycle and the desirable properties of refrigerants used in these systems.

Sections

  • 1

    Vapor Power Cycles

    This section discusses various vapor power cycles, focusing on the Rankine cycle and its efficiency improvements.

    Learning Practice

  • 1.1

    Basic Rankine Cycle

    The Basic Rankine Cycle is an idealized thermodynamic cycle used in steam power plants, which operates through four distinct processes.

    Learning Practice

  • 1.2

    Modifications To Improve Efficiency

    This section discusses various modifications to steam and gas power cycles aimed at enhancing their efficiency.

    Learning Practice

  • 2

    Exergy Analysis Of Rankine Cycle

    The exergy analysis of the Rankine Cycle focuses on understanding the maximum useful work potential and inefficiencies within the cycle.

    Learning Practice

  • 3

    Supercritical And Ultra-Supercritical Rankine Cycles

    This section discusses the principles and benefits of supercritical and ultra-supercritical Rankine cycles used in power generation.

    Learning Practice

  • 4

    Gas Power Cycles

    This section covers the fundamentals of gas power cycles, including the Otto cycle, Diesel cycle, and Brayton cycle, along with their efficiencies and modifications for enhanced performance.

    Learning Practice

  • 4.1

    Air-Standard Otto Cycle (Si Engines)

    The Air-Standard Otto Cycle describes a thermodynamic cycle fundamental to spark-ignition (SI) engines, highlighting its four main processes and efficiency calculation.

    Learning Practice

  • 4.2

    Air-Standard Diesel Cycle (Ci Engines)

    The Air-Standard Diesel Cycle outlines the operational principles of diesel engines, focusing on constant pressure heat addition and the distinctive efficiency characteristics in comparison to the Otto cycle.

    Learning Practice

  • 4.3

    Dual Cycle

    The Dual Cycle combines features of both the Otto and Diesel cycles, enhancing thermal efficiency by allowing heat addition at both constant volume and constant pressure.

    Learning Practice

  • 5

    Air-Standard Brayton Cycle

    The Air-Standard Brayton Cycle describes the ideal processes for gas turbines, focusing on the thermodynamic efficiency of each component.

    Learning Practice

  • 5.1

    Cycle Modifications

    This section discusses various modifications to power cycles to enhance efficiency and performance.

    Learning Practice

  • 6

    Combined Gas And Vapor Power Cycles

    This section discusses the integration of Brayton and Rankine cycles to enhance thermal efficiency in power plants.

    Learning Practice

  • 7

    Vapor Compression Refrigeration Cycle

    The Vapor Compression Refrigeration Cycle is an essential mechanism used in refrigeration and air conditioning systems, involving specific processes and components.

    Learning Practice

  • 7.1

    Refrigerants

    This section covers the properties and types of refrigerants used in refrigeration systems.

    Learning Practice

References

Module II_ Power and Refrigeration Cycles.pdf

Class Notes

Memorization

What we have learnt

  • The Rankine cycle is essent...
  • Exergy analysis helps in pi...
  • Refrigeration systems rely ...

Final Test

Revision Tests