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Dimensionless quantity characterising the heat exchange between solid body and fluidsurroundings:
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{\rm Bi} = \frac{U \cdot L}{\lambda} |
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| Heat Transfer Coefficient (HTC) between solid body and fluid | ||||
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| Thermal Conductivity of the solid body | ||||
| Characteristic length of Heat Transfer |
It determines the temperature transient behaviour and its gradient inside a solid body while it heats or cools over time.
See also
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Physics / Thermodynamics / Heat Transfer
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