Name | Formula | Ratio | Details | |||||||||||||||
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Bi Biot |
h L k |
Surface Conductance Internal Conductance of Solid |
| |||||||||||||||
Gr Grashof |
g β L3 Δ T ν 2 |
Bouyancy Force Viscous Force |
| |||||||||||||||
Nu Nusselt |
h L k |
Convection at Surface Conduction at Surface |
| |||||||||||||||
Pr Prandtl |
μ cp k |
Diffusion of Momentum Diffusion of Heat |
| |||||||||||||||
Re Reynolds |
ρ V L μ |
Intertial Force Viscous Force |
| |||||||||||||||
St Stanton |
h ρ V cp |
Heat Xfer at Wall Energy Xported by Stream |
|