Carnot's theorem

in thermodynamics, the principle that any heat engine operating between the same two thermal reservoirs cannot have an efficiency greater than a reversible heat engine operating between the same reservoirs
Intangible theorem Q2347139
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Carnot's theorem

Summary

Carnot's theorem is a theorem[1]. It draws 220 Wikipedia views per month (theorem category, ranking #153 of 1,306).[2]

Key Facts

  • Carnot's theorem's instance of is recorded as theorem[3].
  • Nicolas Carnot is named after Carnot's theorem[4].
  • Carnot's theorem's part of is recorded as list of theorems[5].
  • Carnot's theorem's Freebase ID is recorded as /m/01sx6g[6].
  • Carnot's theorem's main subject is recorded as heat engine[7].
  • Carnot's theorem's main subject is recorded as Carnot heat engine[8].
  • Carnot's theorem's Gran Enciclopèdia Catalana ID is recorded as 0015211[9].
  • Carnot's theorem's different from is recorded as Carnot's theorem (conics)[10].
  • Carnot's theorem's different from is recorded as Carnot's theorem[11].
  • Carnot's theorem's different from is recorded as maximum efficiency[12].
  • Carnot's theorem's defining formula is recorded as \eta\le 1 - \frac{T_\mathrm{c}}{T_\mathrm{h}}[13].
  • Carnot's theorem's studied by is recorded as thermodynamics[14].
  • Carnot's theorem's Great Russian Encyclopedia Online ID is recorded as 2048135[15].
  • Carnot's theorem's Wolfram Language entity code is recorded as Entity["PhysicalEffect", "CarnotsTheorem"][16].
  • Carnot's theorem's maintained by WikiProject is recorded as WikiProject Mathematics[17].
  • Carnot's theorem's Microsoft Academic ID is recorded as 182922545[18].
  • Carnot's theorem's in defining formula is recorded as \eta[19].
  • Carnot's theorem's in defining formula is recorded as T_{\mathrm c}[20].
  • Carnot's theorem's in defining formula is recorded as T_{\mathrm h}[21].
  • Carnot's theorem's Encyclopedia of China is recorded as 204702[22].

Why It Matters

Carnot's theorem draws 220 Wikipedia views per month (theorem category, ranking #153 of 1,306).[2] It has Wikipedia articles in 15 language editions, a strong signal of global cultural recognition.[23] It is known by 5 alternative names across languages and contexts.[24]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . Freebase Data Dumps. wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [23] . Wikidata sitelinks. wikidata.org.
  3. [24] . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Carnot's theorem. Retrieved May 3, 2026, from https://4ort.xyz/entity/carnot-s-theorem
MLA “Carnot's theorem.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/carnot-s-theorem.
BibTeX @misc{4ortxyz_carnot-s-theorem_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Carnot's theorem}}, year = {2026}, url = {https://4ort.xyz/entity/carnot-s-theorem}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Carnot's theorem — https://4ort.xyz/entity/carnot-s-theorem (retrieved 2026-05-03)

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