Last Updated
：2025/11/29
Biot number
Noun
Japanese Meaning
体内部と表面の熱伝達抵抗の比率を示す無次元数。熱伝達計算に用いられ、固体や流体中の熱移動解析において重要な指標となる。
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A dimensionless number used in heat transfer calculations, giving a simple index of the ratio of the heat transfer resistances inside of and at the surface of a body.
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Biot number
When evaluating transient cooling of a metal sphere, the Biot number helps determine whether temperature gradients inside the sphere can be neglected.
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When evaluating transient cooling of a metal sphere, the Biot number helps determine whether temperature gradients inside the sphere can be neglected.
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