Question
Download Solution PDFThe Carnot cycle is impracticable because:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
A Carnot cycle consists of four processes:
- Reversible isothermal heat addition
- Isentropic (reversible adiabatic) expansion
- Reversible isothermal heat rejection
- Isentropic compression of the gas
Isothermal process is achieved very slowly because temperature gradient for isothermal heat addition is very slow process and the isentropic process is made very fast so that there is no time for heat transfer, such a cycle is very hard to achieve because a cycle has to run continuously in order to give output, but these constraints will make it practically hard to achieve.
Other problems are
It is impossible to perform a frictionless process.
It is impossible to transfer heat without temperature potential.
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