Ohnesorge number

characteristic number that relates the viscous forces to inertial and surface tension forces
Thing general Q1302335
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Ohnesorge number

Summary

Ohnesorge number ranks in the top 2% of general entities by monthly Wikipedia readership (54 views/month).[1]

Key Facts

  • Wolfgang von Ohnesorge is named after Ohnesorge number[2].
  • Ohnesorge number's subclass of is recorded as dimensionless number in fluid mechanics[3].
  • Ohnesorge number's subclass of is recorded as criterion of similarity[4].
  • Ohnesorge number's subclass of is recorded as characteristic number[5].
  • Ohnesorge number's Freebase ID is recorded as /m/0f2w8x[6].
  • Ohnesorge number's described by source is recorded as ISO 80000-11:2019 Quantities and units — Part 11: Characteristic numbers[7].
  • Ohnesorge number's defining formula is recorded as \mathit{Oh} = \frac{\eta}{\sqrt{\gamma \rho l}}[8].
  • Ohnesorge number's defining formula is recorded as \mathit{Oh} = \frac{\sqrt{\mathit{We}}}{\mathit{Re}}[9].
  • Ohnesorge number's ISQ dimension is recorded as 1[10].
  • Ohnesorge number's maintained by WikiProject is recorded as WikiProject Mathematics[11].
  • Ohnesorge number's maintained by WikiProject is recorded as WikiProject Fluid dynamics[12].
  • Ohnesorge number's Microsoft Academic ID is recorded as 18817664[13].
  • Ohnesorge number's in defining formula is recorded as \mathit{Oh}[14].
  • Ohnesorge number's in defining formula is recorded as \eta[15].
  • Ohnesorge number's in defining formula is recorded as \gamma[16].
  • Ohnesorge number's in defining formula is recorded as \rho[17].
  • Ohnesorge number's in defining formula is recorded as l[18].
  • Ohnesorge number's in defining formula is recorded as \mathit{We}[19].
  • Ohnesorge number's in defining formula is recorded as \mathit{Re}[20].
  • Ohnesorge number's Wolfram Language quantity ID is recorded as OhnesorgeNumber[21].
  • Ohnesorge number's quantity symbol is recorded as \mathit{Oh}[22].
  • Ohnesorge number's recommended unit of measurement is recorded as 1[23].

Why It Matters

Ohnesorge number ranks in the top 2% of general entities by monthly Wikipedia readership (54 views/month).[1] It has Wikipedia articles in 13 language editions, a strong signal of global cultural recognition.[24]

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] . Freebase Data Dumps. wikidata.org.
  6. [7] . wikidata.org.
  7. [8] . ISO 80000-11:2019 Quantities and units — Part 11: Characteristic numbers. wikidata.org.
  8. [9] . ISO 80000-11:2019 Quantities and units — Part 11: Characteristic numbers. wikidata.org.
  9. [10] . wikidata.org.
  10. [11] . wikidata.org.
  11. [12] . 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] . ISO 80000-11:2019 Quantities and units — Part 11: Characteristic numbers. wikidata.org.
  22. [23] . 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. [24] . 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). Ohnesorge number. Retrieved April 10, 2026, from https://4ort.xyz/entity/ohnesorge-number
MLA “Ohnesorge number.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/ohnesorge-number.
BibTeX @misc{4ortxyz_ohnesorge-number_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Ohnesorge number}}, year = {2026}, url = {https://4ort.xyz/entity/ohnesorge-number}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Ohnesorge number — https://4ort.xyz/entity/ohnesorge-number (retrieved 2026-04-10)

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