Lewis number

quotient of thermal diffusivity and diffusion coefficient for a fluid
Product thermodynamic_material_property Q901840
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Lewis number

Summary

Lewis number is a thermodynamic material property[1]. It draws 30 Wikipedia views per month (thermodynamic_material_property category, ranking #18 of 24).[2]

Key Facts

  • Lewis number's instance of is recorded as thermodynamic material property[3].
  • Warren K. Lewis is named after Lewis number[4].
  • Lewis number's subclass of is recorded as criterion of similarity[5].
  • Lewis number's subclass of is recorded as dimensionless number in fluid mechanics[6].
  • Lewis number's subclass of is recorded as characteristic number[7].
  • Lewis number's Freebase ID is recorded as /m/08jddr[8].
  • Lewis number's described by source is recorded as ISO 80000-11:2019 Quantities and units — Part 11: Characteristic numbers[9].
  • Lewis number's defining formula is recorded as \mathit{Le} = \frac{a}{D}[10].
  • Lewis number's defining formula is recorded as \mathit{Le} = \frac{\mathit{Sc}}{\mathit{Pr}}[11].
  • Lewis number's studied by is recorded as thermodynamics[12].
  • Lewis number's ISQ dimension is recorded as 1[13].
  • Lewis number's maintained by WikiProject is recorded as WikiProject Mathematics[14].
  • Lewis number's Microsoft Academic ID is recorded as 7742248[15].
  • Lewis number's in defining formula is recorded as \mathit{Le}[16].
  • Lewis number's in defining formula is recorded as a[17].
  • Lewis number's in defining formula is recorded as D[18].
  • Lewis number's in defining formula is recorded as \mathit{Sc}[19].
  • Lewis number's in defining formula is recorded as \mathit{Pr}[20].
  • Lewis number's Wolfram Language quantity ID is recorded as LewisNumber[21].
  • Lewis number's quantity symbol is recorded as \mathit{Le}[22].
  • Lewis number's recommended unit of measurement is recorded as 1[23].
  • Lewis number's OpenAlex ID is recorded as C7742248[24].
  • Lewis number's Encyclopedia of China is recorded as 552445[25].

Why It Matters

Lewis number draws 30 Wikipedia views per month (thermodynamic_material_property category, ranking #18 of 24).[2] It has Wikipedia articles in 17 language editions, a strong signal of global cultural recognition.[26]

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] . Freebase Data Dumps. wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . ISO 80000-11:2019 Quantities and units — Part 11: Characteristic numbers. wikidata.org.
  9. [11] . ISO 80000-11:2019 Quantities and units — Part 11: Characteristic numbers. 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] . ISO 80000-11:2019 Quantities and units — Part 11: Characteristic numbers. wikidata.org.
  21. [23] . ISO 80000-11:2019 Quantities and units — Part 11: Characteristic numbers. wikidata.org.
  22. [24] . OpenAlex. Retrieved . docs.openalex.org. Provenance: wikidata.org.
  23. [25] . wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [26] . Wikidata sitelinks. 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). Lewis number. Retrieved May 3, 2026, from https://4ort.xyz/entity/lewis-number
MLA “Lewis number.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/lewis-number.
BibTeX @misc{4ortxyz_lewis-number_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Lewis number}}, year = {2026}, url = {https://4ort.xyz/entity/lewis-number}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Lewis number — https://4ort.xyz/entity/lewis-number (retrieved 2026-05-03)

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