Reynolds number

dimensionless quantity that is used to help predict similar flow patterns in different fluid flow situations
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Reynolds number

Summary

Reynolds number is an index number[1]. It ranks in the top 6% of index_number entities by monthly Wikipedia readership (6,164 views/month).[2]

Key Facts

  • Reynolds number is credited with the discovery of Sir George Stokes, 1st Baronet[3].
  • Reynolds number's instance of is recorded as index number[4].
  • Reynolds number's instance of is recorded as mathematical concept[5].
  • Osborne Reynolds is named after Reynolds number[6].
  • Reynolds number is a type of characteristic number[7].
  • Reynolds number is a type of dimensionless number in fluid mechanics[8].
  • Reynolds number's Commons category is recorded as Reynolds number[9].
  • Reynolds number's appointed by is recorded as Arnold Sommerfeld[10].
  • Reynolds number's time of earliest written record is recorded as 1883[11].
  • Reynolds number's described by source is recorded as ISO 80000-11:2019 Quantities and units — Part 11: Characteristic numbers[12].
  • Reynolds number's published in is recorded as An Experimental Investigation of the Circumstances Which Determine Whether the Motion of Water Shall Be Direct or Sinuous, and of the Law of Resistance in Parallel Channels[13].
  • Reynolds number's different from is recorded as Reynolds electric number[14].
  • Reynolds number's different from is recorded as magnetic Reynolds number[15].
  • Reynolds number's on focus list of Wikimedia project is recorded as Wikipedia:Vital articles/Level/4[16].
  • Reynolds number's maintained by WikiProject is recorded as WikiProject Mathematics[17].
  • Reynolds number's maintained by WikiProject is recorded as WikiProject Fluid dynamics[18].
  • Reynolds number's recommended unit of measurement is recorded as 1[19].

Body

Designation and Status

Recorded instance of include index number[4] and mathematical concept[5].

History and Context

Osborne Reynolds is named after Reynolds number[6].

Why It Matters

Reynolds number ranks in the top 6% of index_number entities by monthly Wikipedia readership (6,164 views/month).[2] It has Wikipedia articles in 29 language editions, a strong signal of global cultural recognition.[20] It is known by 23 alternative names across languages and contexts.[21]

References

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

Direct Wikidata claims

  1. [4] . wikidata.org.
  2. [5] . wikidata.org.
  3. [3] . Retrieved . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . Retrieved . 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.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . ISO 80000-11:2019 Quantities and units — Part 11: Characteristic numbers. wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [20] . Wikidata sitelinks. wikidata.org.
  3. [21] . 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). Reynolds number. Retrieved May 3, 2026, from https://4ort.xyz/entity/reynolds-number
MLA “Reynolds number.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/reynolds-number.
BibTeX @misc{4ortxyz_reynolds-number_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Reynolds number}}, year = {2026}, url = {https://4ort.xyz/entity/reynolds-number}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Reynolds number — https://4ort.xyz/entity/reynolds-number (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/reynolds-number · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 8d ago · Twofivesixbot bot · 2026-05-24 view diff on Wikidata ↗
    Recommended unit of measurement 1
    Instance of index number, mathematical concept
    Maintained by wikiproject WikiProject Mathematics, WikiProject Fluid dynamics
    Named after Osborne Reynolds
    + 11 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|3 */ [[Property:P8189]]: 987007536463305171, mv to monolingual text names on J9U statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.