Wind calculation formulas, Wind speed average – Vaisala AWS330 User Manual
Page 282

User's Guide ______________________________________________________________________
280 _________________________________________________________________ M211296EN-B
Wind Calculation Formulas
Wind Speed Average
Instant wind speed average is calculated using the following formula (3 s
calculation):
=
=
n
i
i
n
WS
WSA
1
/
)
(
where
WSA = Wind
speed
average
Wsi
= Wind speed instant value
N
= Number of wind speed instant values
When the source is a calculated data table, the following formula is used
(2 and 10 minute calculations):
=
=
n
i
i
n
WSAT
WSA
1
/
)
(
(16)
where
WSA = Wind
speed
average
WSATi = Wind speed average stored to data table
n
= Number of wind speed average values