Written by the Fiveable Content Team โข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโขWritten by the Fiveable Content Team โข Last updated September 2025
Definition
The Carnot Cycle is a theoretical thermodynamic cycle that consists of four reversible processes: two isothermal processes and two adiabatic processes. It is used as a benchmark for the maximum efficiency that any heat engine can achieve.
Related terms
Heat Engine: A device that converts thermal energy into mechanical work.