Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated August 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.