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| Stagnant fluid | Natural Convection | Forced Convection |
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| OEIS sequence A282581 |
| J. DIRKER & J. P. MEYER |
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| {\rm Nu}=3.6568 |
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| {\rm Nu} = \frac{2 \cdot \epsilon({\rm Ra})}{\ln (r_{out}/r_{in})} |
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| {\rm Nu}= c \cdot \mbox{Re}_D^p \cdot \mbox{Pr}^{0.4}\cdot \left( \frac{\mu}{\mu_w} \right)^{0.14} |
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| where | where |
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| body | --uriencoded--\epsilon(%7B\rm Ra%7D) |
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| Natural Convection Heat Transfer Multiplier | | LaTeX Math Inline |
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body | displaystyle c = \frac%7B0.03 \, a%5e%7B1.86%7D%7D%7B0.063 \, a%5e3 -0.674 \, a%5e2 +2.225 \, a - 1.157 %7D
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| body | --uriencoded--%7B\rm Ra%7D |
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| Rayleigh number | | |
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| body | --uriencoded--a = r_%7Bout%7D/r_%7Bin%7D |
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| Prandtl number |
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| body | p = 1.013 \cdot\exp \left[ -0.067 \cdot a \right] |
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| | a | | LaTeX Math Inline |
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| body | --uriencoded--a = r_%7Bout%7D/r_%7Bin%7D |
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| body | --uriencoded--\mbox%7BPr%7D |
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| Prandtl number | \displaystyle c = \frac%7B0.03 \, a%5e%7B1.86%7D%7D%7B0.063 \, a%5e3 -0.674 \, a%5e2 +2.225 \, a - 1.157 %7D |
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See also
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Physics / Thermodynamics / Heat Transfer / Heat Transfer Coefficient (HTC) / Heat Transfer Coefficient (HTC) @model
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