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The Carnot ceiling no engine can beat
physical
Between a hot reservoir at 400 K and a cold one at 300 K, the second law caps efficiency at 1 − T_cold/T_hot = 25%. Not a target — a law. Worked & sealed by the engine — η = 1 − 300/400 = 0.25. [HOLDS; open the seal to re-check.]
source
card id
card_works_thermo_carnot
adjoining cards
- on the shelf of → The Works — sealed, worked demonstrations — a member of the the-works shelf in the keeping
- paves → The Floor of Discovery — one floor, and by its design the fear of God — A worked, engine-sealed demonstration — a paving-stone of the floor of reality.
- demonstrates → η_Carnot = 1 − 300/400 = 0.25 — A worked demonstration in the same field (thermodynamics).
- kindred → The ideal gas law solves for temperature — A sibling worked demonstration in thermodynamics.
- adjacent → Light bends: Snell's law at a glass surface — Neighbouring worked demonstrations in the same part of the volume.
- adjacent → Kepler's law, and the pull between Earth and Moon — Neighbouring worked demonstrations in the same part of the volume.
- adjacent → A radioactive clock's decay constant — Neighbouring worked demonstrations in the same part of the volume.
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