Grashof Number
Grashof number is proportional to { (buoyancy force) / (viscous force) } and is used in heat transfer in general and free convection calculations in particular. It is normally defined in one of the following forms :
or
Where: |
beta |
= |
Coefficient of expansion |
delta-T |
= |
Temperature difference |
g |
= |
Gravitational acceleration |
L |
= |
Characteristic length |
mu |
= |
Viscosity |
v |
= |
Kinematic viscosity |
rho |
= |
Density |
|
