Physical Transformation AtlasPTA
Constraint · constraint:curzon-ahlborn-limit

Curzon–Ahlborn efficiency at maximum power

The efficiency of an endoreversible engine operated at maximum power; a benchmark for real plant, not a universal ceiling — a plant run below maximum power may exceed it, so it never fails a route.

Atlas record: 1 claim references this constraint — 1 established.

Explorerelations · sources · cite

η_CA = 1 − √(T_c/T_h)

1claims0enumerated routes0routes with complete-composition evidence0candidate routes not searched2cited sources

Relations

governed by · 1
Working-fluid expansion (heat-engine cycle)—governed by→Curzon–Ahlborn efficiency at maximum powerestablished

Cited sources · 2

  1. [1]
    F. L. Curzon, B. Ahlborn. Efficiency of a Carnot engine at maximum power output (1975)
    American Journal of Physics 43, 22–24 · doi:10.1119/1.10023 · crossref ✓ 2026-09-19 · record
  2. [2]
    A. Bejan. Advanced Engineering Thermodynamics (4th ed.) (2016)
    Wiley · doi:10.1002/9781119245964 · crossref ✓ 2026-09-19 · record

Cite this entity

Physical Transformation Atlas (2026). entity constraint:curzon-ahlborn-limit: Curzon–Ahlborn efficiency at maximum power. Dataset revision rbfbfcbb70e57 (hash of the canonical data). https://physical-transformation-atlas.wldud5192.workers.dev/e/constraint/curzon-ahlborn-limit

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