Dimensionless multiplier correcting the conductive Mathematical model of Heat Transfer Coefficient to account for the Natural Thermal Convection effects in the Annulus in the annulus without convection is given as:
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U = \cdot \frac{ 2 \, \lambda}{d_{in} \cdot \ln ( \frac{d_{inout}}{/d_{out}in} )}
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where
_afluidthe annulus media |
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body | --uriencoded--d_%7Bin%7D |
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| inner pipe |
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body | --uriencoded--d_%7Bout%7D |
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| outer pipe |
See also
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Physics / Thermodynamics / Heat Transfer / Heat Transfer Coefficient (HTC) / Heat Transfer Coefficient (HTC) @model[ Rayleigh number ]