CARNOT heat engine calculator

The efficiency of a Carnot heat engine, known as the Carnot efficiency, is given by:

Where:

  • is the efficiency of the Carnot engine (dimensionless),
  • is the absolute temperature of the cold reservoir (in Kelvin, K),
  • is the absolute temperature of the hot reservoir (in Kelvin, K).

The absolute temperature in Kelvin is used in this formula.

The Carnot efficiency represents the maximum possible efficiency for a heat engine operating between two given temperature reservoirs, assuming reversible processes and no energy losses.

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