Prandtl number

quotient of kinematic viscosity and thermal diffusivity for a fluid
Product thermodynamic_material_property Q815306
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Prandtl number

Summary

Prandtl number is a thermodynamic material property[1]. It draws 237 Wikipedia views per month (thermodynamic_material_property category, ranking #5 of 24).[2]

Key Facts

  • Prandtl number's instance of is recorded as thermodynamic material property[3].
  • Ludwig Prandtl is named after Prandtl number[4].
  • Prandtl number's GND ID is recorded as 4359106-1[5].
  • Prandtl number's subclass of is recorded as dimensionless number in fluid mechanics[6].
  • Prandtl number's subclass of is recorded as criterion of similarity[7].
  • Prandtl number's subclass of is recorded as characteristic number[8].
  • Prandtl number's Freebase ID is recorded as /m/0fz2_[9].
  • Prandtl number's described by source is recorded as ISO 80000-11:2019 Quantities and units — Part 11: Characteristic numbers[10].
  • Prandtl number's described by source is recorded as Armenian Soviet Encyclopedia, vol. 9[11].
  • Prandtl number's defining formula is recorded as \mathit{Pr} = \frac{\nu}{a}[12].
  • Prandtl number's studied by is recorded as thermodynamics[13].
  • Prandtl number's Great Russian Encyclopedia Online ID is recorded as 3173961[14].
  • Prandtl number's Quora topic ID is recorded as Prandtl-Number[15].
  • Prandtl number's JSTOR topic ID is recorded as prandtl-number[16].
  • Prandtl number's ISQ dimension is recorded as 1[17].
  • Prandtl number's maintained by WikiProject is recorded as WikiProject Mathematics[18].
  • Prandtl number's maintained by WikiProject is recorded as WikiProject Fluid dynamics[19].
  • Prandtl number's Microsoft Academic ID is recorded as 72687893[20].
  • Prandtl number's in defining formula is recorded as \mathit{Pr}[21].
  • Prandtl number's in defining formula is recorded as \nu[22].
  • Prandtl number's in defining formula is recorded as a[23].
  • Prandtl number's Wolfram Language quantity ID is recorded as PrandtlNumber[24].
  • Prandtl number's quantity symbol is recorded as \mathit{Pr}[25].
  • Prandtl number's recommended unit of measurement is recorded as 1[26].
  • Prandtl number's IEV number is recorded as 113-04-54[27].

Why It Matters

Prandtl number draws 237 Wikipedia views per month (thermodynamic_material_property category, ranking #5 of 24).[2] It has Wikipedia articles in 22 language editions, a strong signal of global cultural recognition.[28] It is known by 8 alternative names across languages and contexts.[29]

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] . ISO 80000-11:2019 Quantities and units — Part 11: Characteristic numbers. wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . Quora. 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.
  21. [23] . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . ISO 80000-11:2019 Quantities and units — Part 11: Characteristic numbers. wikidata.org.
  24. [26] . ISO 80000-11:2019 Quantities and units — Part 11: Characteristic numbers. wikidata.org.
  25. [27] . wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] . Wikidata sitelinks. wikidata.org.
  3. [29] . 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). Prandtl number. Retrieved May 3, 2026, from https://4ort.xyz/entity/prandtl-number
MLA “Prandtl number.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/prandtl-number.
BibTeX @misc{4ortxyz_prandtl-number_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Prandtl number}}, year = {2026}, url = {https://4ort.xyz/entity/prandtl-number}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Prandtl number — https://4ort.xyz/entity/prandtl-number (retrieved 2026-05-03)

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