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Stirling cycle consist of
  • a)
    Two isothermal and two constant volume processes.
  • b)
    Two isothermal and two constant pressure processes.
  • c)
    Two constant volume and two adiabatic processes.
  • d)
    Two isothermal and two adiabatic processes.
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Stirling cycle consist ofa)Two isothermal and two constant volume pro...
Stirling Cycle. Thermodynamically, the ideal Stirling cycle consists of isothermal compression, constant volume heat addition, isothermal expansion, and constant volume heat rejection. The Stirling cycle, without regeneration, is rather inefficient, but with effective regeneration, the system efficiency can be high.
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Stirling cycle consist ofa)Two isothermal and two constant volume pro...
Overview of the Stirling Cycle
The Stirling cycle is a thermodynamic cycle that consists of a series of processes designed to convert heat energy into mechanical work. It is a regenerative cycle that utilizes a working gas, typically air or helium, and operates between two temperature reservoirs.
Components of the Stirling Cycle
The Stirling cycle indeed consists of:
  • Two Isothermal Processes:
    - During these processes, the working gas is heated and cooled at constant temperature.
    - In the first isothermal expansion, the gas absorbs heat from the hot reservoir, causing it to expand and do work on the piston.
    - In the second isothermal compression, the gas releases heat to the cold reservoir while being compressed, requiring work to be done on the gas.
  • Two Constant Volume Processes:
    - Between the isothermal processes, the gas undergoes two constant volume processes.
    - During these processes, the gas is thermally connected to the heat reservoirs, allowing heat transfer without volume change.
    - The first constant volume process occurs when the gas is heated at constant volume, and the second occurs when the gas is cooled at constant volume.


Importance of the Stirling Cycle
The Stirling cycle is significant because:
  • It can operate with any heat source, making it versatile.
  • It has high efficiency compared to other cycles, especially in applications with low-temperature differences.
  • It is inherently quieter and has fewer moving parts, contributing to its reliability.


In conclusion, the Stirling cycle indeed consists of two isothermal and two constant volume processes, making it a unique and efficient thermodynamic cycle.
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Stirling cycle consist ofa)Two isothermal and two constant volume processes.b)Two isothermal and two constant pressure processes.c)Two constant volume and two adiabatic processes.d)Two isothermal and two adiabatic processes.Correct answer is option 'A'. Can you explain this answer?
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