Definition of Rayleigh number in English:

Rayleigh number

nounˈreɪli

Physics

A dimensionless parameter that is a measure of the instability of a layer of fluid due to differences of temperature and density at the top and bottom.
〔物理〕瑞利数
Example sentencesExamples
- By the mid-twentieth century, geophysicists had determined that the Earth's mantle was likely to advect heat from the core, because its Rayleigh number far exceeds the convective threshold.
- Further, Honda et al. assume constant viscosity, which is an important element of the Rayleigh number.

noun

Physics

A dimensionless parameter that is a measure of the instability of a layer of fluid due to differences of temperature and density at the top and bottom.
〔物理〕瑞利数
Example sentencesExamples
- Further, Honda et al. assume constant viscosity, which is an important element of the Rayleigh number.
- By the mid-twentieth century, geophysicists had determined that the Earth's mantle was likely to advect heat from the core, because its Rayleigh number far exceeds the convective threshold.

词汇	Rayleigh number
释义	Definition of Rayleigh number in English: Rayleigh number nounˈreɪli Physics A dimensionless parameter that is a measure of the instability of a layer of fluid due to differences of temperature and density at the top and bottom. 〔物理〕瑞利数 Example sentencesExamples By the mid-twentieth century, geophysicists had determined that the Earth's mantle was likely to advect heat from the core, because its Rayleigh number far exceeds the convective threshold. Further, Honda et al. assume constant viscosity, which is an important element of the Rayleigh number. Definition of Rayleigh number in US English: Rayleigh number noun Physics A dimensionless parameter that is a measure of the instability of a layer of fluid due to differences of temperature and density at the top and bottom. 〔物理〕瑞利数 Example sentencesExamples Further, Honda et al. assume constant viscosity, which is an important element of the Rayleigh number. By the mid-twentieth century, geophysicists had determined that the Earth's mantle was likely to advect heat from the core, because its Rayleigh number far exceeds the convective threshold.
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