Rayleigh number
characteristic number of heat transport in fluids
Facts
10 properties- Subclass of
- dimensionless number in fluid mechanics, characteristic number, criterion of similarity[2][3][4]
- Defining formula
- \mathit{Ra} = \frac{l^3 g \alpha_V \Delta T}{\nu \alpha}
- Described by source
- ISO 80000-11:2019 Quantities and units — Part 11: Characteristic numbers[5]
- ISQ dimension
- 1
- In defining formula
- \mathit{Ra}, l, g, \alpha_V, \Delta T, \nu, \alpha
- Maintained by WikiProject
- WikiProject Mathematics, WikiProject Fluid dynamics[7][8]
- Named after
- John William Strutt[1]
- Quantity symbol (LaTeX)
- \mathit{Ra}
- Recommended unit of measurement
- 1[9]
- Studied by
- thermodynamics[6]
🏷️ Also known as
en Rayleigh number
cs Rayleighovo číslo
de Rayleigh-Zahl
es número de Rayleigh
fa عدد رایلی
fi Rayleighin luku
fr nombre de Rayleigh
he מספר ריילי
hi रैले संख्या
hu Rayleigh-szám
it Numero di Rayleigh
ja レーリー数
ja レイリー数
ko 레일리 수
nl Getal van Rayleigh
pl Liczba Rayleigha
pt Rayleigh
ro număr Rayleigh
ru Релея число
ru Рэлея число
🔖 Identifiers · 13
- GND ID
- 4525342-0
- OpenAlex ID
- C106836276
- Encyclopedia of China (Third Edition) ID (2026)
- bhcFV
- Encyclopedia of China (Third Edition) old ID (2021)
- 136717
- Encyclopædia Britannica Online ID
- science/Rayleigh-number
- Freebase ID
- /m/0g7jz
- Great Russian Encyclopedia Online ID (2017)
- 3524084
- IEV number
- 113-04-58
- JSTOR topic ID (archived)
- rayleigh-number
- Microsoft Academic ID (discontinued)
- 106836276
- Quora topic ID
- Rayleigh-Number
- Wolfram Language quantity ID
- RayleighNumber
Show all 13 identifiers +1
- Wurvoc.org measure ID
- Rayleigh_number
🔗 Connections
Created notable works 1
Maintained by WikiProject 1
Named after 1
Studied by 1
Subclass of 1
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