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Darcy–Weisbach equation

equation in fluid dynamics
Intangible Equation Q1142285

Facts

9 properties
Instance of
equation, rule of thumb[2]
Facet of
friction loss[8]
Defining formula
\Delta h = \xi \cdot \frac{V^2}{2g}[10]
Depicts
hydraulic head, pressure drop[5][6]
Has characteristic
empiricism[9]
Maintained by WikiProject
WikiProject Fluid dynamics[12]
Named after
Henry Darcy, Julius Weisbach[3][4]
Studied by
hydraulics[11]
Time of discovery or invention
1855[7]
🏷️ Also known as
en Darcy–Weisbach equation ar معادلة دارسي-فايسباخ de Darcy-Weisbach-Gleichung es Ecuación de Darcy-Weisbach es Ecuacion de Darcy-Weisbach es Ecuacion de Darcy Weisbach es Ecuación de Darcy Weisbach fa رابطه دارسی ویسباخ fa رابطهٔ دارسی ویسباخ fr Coefficient de perte de charge fr Equation de Darcy-Weisbach fr Équation de Darcy-Weisbach he משוואת דרסי וויסבך he משוואת דרסי ויסבך he משוואת דרסי-ויסבך id Persamaan Darcy-Weisbach it Equazione di Darcy-Weisbach ja ダルシー・ワイスバッハの式 ja ダルシー・ワイスバッハ式 ko 달시-바이스바하 방정식
🔖 Identifiers · 3
OpenAlex ID
C181757486
Freebase ID
/m/01gc34
Microsoft Academic ID (discontinued)
181757486

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🔗 Connections
Depicts 2
hydraulic head, pressure drop
Instance of 2
equation, rule of thumb
Named after 2
Henry Darcy, Julius Weisbach
Created notable works 1
Julius Weisbach
Facet of 1
friction loss
Has characteristic 1
empiricism
Studied by 1
hydraulics
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Summary

Darcy–Weisbach equation is an equation[1].

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] ↑ . Retrieved . wikidata.org.
  5. [6] ↑ . Retrieved . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . Retrieved . wikidata.org.
  8. [9] ↑ . Retrieved . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . Retrieved . wikidata.org.
  11. [12] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. 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). Darcy–Weisbach equation. Retrieved November 8, 2026, from https://4ort.xyz/entity/darcy-weisbach-equation
MLA “Darcy–Weisbach equation.” 4ort.xyz Knowledge Graph, 4ort.xyz, 8 Nov. 2026, https://4ort.xyz/entity/darcy-weisbach-equation.
BibTeX @misc{4ortxyz_darcy-weisbach-equation_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Darcy–Weisbach equation}}, year = {2026}, url = {https://4ort.xyz/entity/darcy-weisbach-equation}, note = {Accessed: 2026-11-08}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Darcy–Weisbach equation — https://4ort.xyz/entity/darcy-weisbach-equation (retrieved 2026-11-08)

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