Joule expansion

irreversible thermodynamic process in which a volume of gas expands into a vacuum
Event thought_experiment Q1109469
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Joule expansion

Summary

Joule expansion is a thought experiment[1]. It draws 40 Wikipedia views per month (thought_experiment category, ranking #45 of 56).[2]

Key Facts

  • Joule expansion's image is recorded as Joule and Gay-lussac expansion.svg[3].
  • Joule expansion's instance of is recorded as thought experiment[4].
  • James Prescott Joule is named after Joule expansion[5].
  • Joseph Louis Gay-Lussac is named after Joule expansion[6].
  • Joule expansion's subclass of is recorded as irreversible process[7].
  • Joule expansion's Commons category is recorded as Joule/Gay-Lussac expansions[8].
  • Joule expansion's Freebase ID is recorded as /m/03gr9ht[9].
  • Joule expansion's Freebase ID is recorded as /m/064r731[10].
  • Joule expansion's World of Physics ID is recorded as FreeExpansion[11].
  • Joule expansion's schematic is recorded as Joule-Gay-Lussac V.01.svg[12].
  • Joule expansion's schematic is recorded as Before during after sudden expansion.jpg[13].
  • Joule expansion's schematic is recorded as Gay-Lussac.jpg[14].
  • Joule expansion's Microsoft Academic ID is recorded as 9268382[15].
  • Joule expansion's Microsoft Academic ID is recorded as 184649497[16].

Why It Matters

Joule expansion draws 40 Wikipedia views per month (thought_experiment category, ranking #45 of 56).[2] It has Wikipedia articles in 15 language editions, a strong signal of global cultural recognition.[17] It is known by 21 alternative names across languages and contexts.[18]

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] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . Freebase Data Dumps. 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.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [17] . Wikidata sitelinks. wikidata.org.
  3. [18] . 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). Joule expansion. Retrieved May 3, 2026, from https://4ort.xyz/entity/joule-expansion
MLA “Joule expansion.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/joule-expansion.
BibTeX @misc{4ortxyz_joule-expansion_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Joule expansion}}, year = {2026}, url = {https://4ort.xyz/entity/joule-expansion}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Joule expansion — https://4ort.xyz/entity/joule-expansion (retrieved 2026-05-03)

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