CMS-Flow:Wind Pressure: Difference between revisions
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In CMS-Flow the wind shear stress is calculated as | In CMS-Flow the wind shear stress is calculated as | ||
<math> \tau_{wind} = \rho_a | <math> \tau_{wind} = \rho_a C_d |W| W </math> | ||
where | where | ||
{| border="1" | |||
! Symbol!! Description !! Units | |||
|- | |||
| <math>\tau_{wind}</math> || Wind shear stress || Pa | |||
|- | |||
| <math>\rho_a</math> || Atmospheric density (~1.2 kg/m^3) || kg/m^3 | |||
|- | |||
| <math>C_d</math> || Wind drag coefficient || none | |||
|- | |||
| <math>W</math> || 10-min averaged wind speed at 10 m above the sea surface || m/sec | |||
|} | |||
---- | ---- | ||
[[CMS#Documentation_Portal | Documentation Portal]] | [[CMS#Documentation_Portal | Documentation Portal]] |
Revision as of 20:37, 13 May 2010
Wind and Atmospheric Pressure
In CMS-Flow the wind shear stress is calculated as
where
Symbol | Description | Units |
---|---|---|
Wind shear stress | Pa | |
Atmospheric density (~1.2 kg/m^3) | kg/m^3 | |
Wind drag coefficient | none | |
10-min averaged wind speed at 10 m above the sea surface | m/sec |