The table below shows the list of the popular dimensionless numbers related to heat transfer.
Nu | | LaTeX Math Inline |
|---|
| body | --uriencoded--\displaystyle %7B\rm Nu%7D =\frac%7BU \cdot L%7D%7B\lambda %7D |
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|
|
|---|
| LaTeX Math Block |
|---|
|
{\rm Nu} =\frac{U \cdot L}{\lambda } |
Prandtl number | Pr | | LaTeX Math Block |
|---|
|
{\rm Pr} = \frac{\nu}{a} |
Grasgof number | | characterizes heat exchange rate with fluid convection |
| Biot Number | | LaTeX Math Inline |
|---|
| body | --uriencoded--\displaystyle %7B\rm Bi%7D =\frac%7BU \cdot L%7D%7B\lambda %7D |
|---|
|
| characterizes heat exchange rate with solid bodies |
|---|
| Prandtl number | | LaTeX Math Inline |
|---|
| body | --uriencoded--\displaystyle %7B\rm Pr%7D = \frac%7B\nu%7D%7Ba%7D |
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|
| characterizes fluid in terms of its ability to develop heat convection against heat conduction |
|---|
| Grashof number | | LaTeX Math Inline |
|---|
| body | --uriencoded--\displaystyle %7B\rm Gr%7D = \frac%7Bg \, \beta \, \Delta T \, L%5e3%7D%7B\nu%5e2%7D |
|---|
|
| characterizes the natural heat convection due to gravity |
|---|
| Rayleigh number | | LaTeX Math Inline |
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| body | --uriencoded--\displaystyle %7B\rm Ra%7D = %7B\rm Gr%7D \cdot %7B\rm Pr%7D |
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|
| characterizes the natural heat convection due to gravity |
|---|
| Fourier number | | LaTeX Math Inline |
|---|
| body | --uriencoded--\displaystyle %7B\rm Fo%7D = \frac%7Ba \cdot t%7D%7BL%5e2%7D |
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|
| dimensionless time |
|---|
Raley number | Fourier number | Fo | | LaTeX Math Block |
|---|
|
Fo = \frac{a \cdot t}{L^2}
See also
...
Physics / Thermodynamics / Heat Transfer
[ Nusselt Number (Nu) ][ Prandtl number (Pr) ] [ Fourier number (Fo) ]
