Dean number

characteristic number of flows in curved pipes
Thing general Q674181
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Summary

Dean number ranks in the top 2% of general entities by monthly Wikipedia readership (39 views/month).[1]

Key Facts

  • W. R. Dean is named after Dean number[2].
  • Dean number's GND ID is recorded as 4258732-3[3].
  • Dean number's subclass of is recorded as characteristic number[4].
  • Dean number's subclass of is recorded as dimensionless number in fluid mechanics[5].
  • Dean number's subclass of is recorded as criterion of similarity[6].
  • Dean number's has use is recorded as Dean flow[7].
  • Dean number's time of discovery or invention is recorded as +1920-00-00T00:00:00Z[8].
  • Dean number's Freebase ID is recorded as /m/02vvmbh[9].
  • Dean number's described by source is recorded as ISO 80000-11:2019 Quantities and units — Part 11: Characteristic numbers[10].
  • Dean number's described by source is recorded as XVI.Note on the motion of fluid in a curved pipe[11].
  • Dean number's defining formula is recorded as \mathit{Dn} = \frac{2 v r}{\nu} \sqrt{\frac{r}{R}}[12].
  • Dean number's ISQ dimension is recorded as 1[13].
  • Dean number's maintained by WikiProject is recorded as WikiProject Mathematics[14].
  • Dean number's maintained by WikiProject is recorded as WikiProject Fluid dynamics[15].
  • Dean number's Microsoft Academic ID is recorded as 189177959[16].
  • Dean number's in defining formula is recorded as \mathit{Dn}[17].
  • Dean number's in defining formula is recorded as v[18].
  • Dean number's in defining formula is recorded as r[19].
  • Dean number's in defining formula is recorded as \nu[20].
  • Dean number's in defining formula is recorded as R[21].
  • Dean number's Wolfram Language quantity ID is recorded as DeanNumber[22].
  • Dean number's quantity symbol is recorded as \mathit{Dn}[23].
  • Dean number's recommended unit of measurement is recorded as 1[24].

Why It Matters

Dean number ranks in the top 2% of general entities by monthly Wikipedia readership (39 views/month).[1] It has Wikipedia articles in 13 language editions, a strong signal of global cultural recognition.[25]

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . Freebase Data Dumps. wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . ISO 80000-11:2019 Quantities and units — Part 11: Characteristic numbers. wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . wikidata.org.
  17. [18] ↑ . wikidata.org.
  18. [19] ↑ . wikidata.org.
  19. [20] ↑ . wikidata.org.
  20. [21] ↑ . wikidata.org.
  21. [22] ↑ . wikidata.org.
  22. [23] ↑ . ISO 80000-11:2019 Quantities and units — Part 11: Characteristic numbers. wikidata.org.
  23. [24] ↑ . ISO 80000-11:2019 Quantities and units — Part 11: Characteristic numbers. wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [25] ↑ . 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). Dean number. Retrieved October 16, 2026, from https://4ort.xyz/entity/dean-number
MLA “Dean number.” 4ort.xyz Knowledge Graph, 4ort.xyz, 16 Oct. 2026, https://4ort.xyz/entity/dean-number.
BibTeX @misc{4ortxyz_dean-number_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Dean number}}, year = {2026}, url = {https://4ort.xyz/entity/dean-number}, note = {Accessed: 2026-10-16}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Dean number — https://4ort.xyz/entity/dean-number (retrieved 2026-10-16)

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