Ursell number

number used in fluid mechanics
Intangible mathematical_concept Q3631654
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Ursell number

Summary

Ursell number is a mathematical concept[1]. It draws 18 Wikipedia views per month (mathematical_concept category, ranking #239 of 1,007).[2]

Key Facts

  • Ursell number's instance of is recorded as mathematical concept[3].
  • Fritz Ursell is named after Ursell number[4].
  • Ursell number's Freebase ID is recorded as /m/04jbtp7[5].
  • Ursell number's defining formula is recorded as U\, =\, \frac{H}{h} \left(\frac{\lambda}{h}\right)^2\, =\, \frac{H\, \lambda^2}{h^3}[6].
  • Ursell number's maintained by WikiProject is recorded as WikiProject Mathematics[7].
  • Ursell number's Microsoft Academic ID is recorded as 38031521[8].

Why It Matters

Ursell number draws 18 Wikipedia views per month (mathematical_concept category, ranking #239 of 1,007).[2] It has Wikipedia articles in 10 language editions, a strong signal of global cultural recognition.[9]

📑 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). Ursell number. Retrieved May 3, 2026, from https://4ort.xyz/entity/ursell-number
MLA “Ursell number.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/ursell-number.
BibTeX @misc{4ortxyz_ursell-number_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Ursell number}}, year = {2026}, url = {https://4ort.xyz/entity/ursell-number}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Ursell number — https://4ort.xyz/entity/ursell-number (retrieved 2026-05-03)

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