Last Updated：2025/12/05

(fluid mechanics, meteorology) A dimensionless number expressing the ratio of buoyancy to flow shear in a fluid flow.

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Richardson number

Source Word

Richardson number

Noun

(fluid mechanics, meteorology) A dimensionless number expressing the ratio of buoyancy to flow shear in a fluid flow.

Japanese Meaning

【流体力学、気象学】流体中の浮力と流れのせん断（すなわち、流体の速度変化）との比率を表す無次元数

The Richardson number is critical for predicting whether thermal stratification will suppress turbulence in the boundary layer.

リチャードソン数は、境界層内で熱的層化が乱流を抑制するかどうかを予測する上で重要です。

Sense（1）

(fluid mechanics, meteorology) A dimensionless number expressing the ratio of buoyancy to flow shear in a fluid flow.

Richardson numbers

（ plural ）