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HEIGHT VARIATION WIND SPEED [5 records]

Record 1 2023-03-08

English

Subject field(s)
  • Mathematics
  • Meteorology
DEF

A parameter depending on static stability that describes the variation of the wind speed with height.

French

Domaine(s)
  • Mathématiques
  • Météorologie

Spanish

Campo(s) temático(s)
  • Matemáticas
  • Meteorología
DEF

Índice que depende de la estabilidad estática utilizado para representar la velocidad del viento en función de la altura. El parámetro Deacon ß, se define por la ecuación du/dz = az-ß, donde u es la velocidad, z la altura y a una constante.

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Record 2 2023-01-31

English

Subject field(s)
  • Atmospheric Physics
CONT

... diurnal wind speed variation[ :Wind] speeds are high during the day time, and low during the night at the height of [50 m] whereas the variation in wind behavior is utterly contrary at higher heights [100 m in this case]. At [100 m], wind speed measurements are low during the daytime and high during the nighttime.

Key term(s)
  • diurnal windspeed variation

French

Domaine(s)
  • Physique de l'atmosphère
CONT

Les variations diurnes de la vitesse du vent sont déterminées pour chaque station à partir des [huit] données trihoraires (valeurs moyennées sur 10 minutes). [Une] variation diurne de la vitesse du vent [peut] être liée [à] la température; ainsi en hiver, les vitesses minimales et maximales se produisent, respectivement, vers 6 heures et midi, tandis qu'en été, elles se produisent vers 3 et 15 heures.

Spanish

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Record 3 2006-06-19

English

Subject field(s)
  • Meteorological Forecasting, Data Measurement and Analysis
  • Wind Energy
DEF

Variation in wind speed with height above the ground.

OBS

Normally wind speed increases with height.

French

Domaine(s)
  • Prévisions météorologiques et mesure et analyse des données
  • Énergie éolienne
DEF

Taux de variation du vent en fonction de l'altitude, mesuré au-dessus du sol.

OBS

De façon générale, la vitesse du vent augmente avec l'altitude.

Spanish

Save record 3

Record 4 2003-12-22

English

Subject field(s)
  • Atmospheric Physics
  • Modelling (Mathematics)
DEF

Form of the variation of the mean wind speed with height in the surface boundary layer, based on simplifying assumptions.

Key term(s)
  • logarithmic profile of velocity

French

Domaine(s)
  • Physique de l'atmosphère
  • Modélisation (Mathématique)
DEF

Allure de la variation de la vitesse moyenne du vent avec l'altitude dans la couche limite de surface, selon des hypothèses simplificatrices.

Spanish

Campo(s) temático(s)
  • Física de la atmósfera
  • Modelización (Matemáticas)
DEF

Forma, basada en ciertas hipótesis simplificadoras, de la variación de la velocidad media del viento con la altitud en la capa límite de la superficie.

Save record 4

Record 5 1986-05-05

English

Subject field(s)
  • Atmospheric Physics
CONT

The height variation of wind speed is important to WECS design because of the cyclic loading on the rotor system it imposes.

French

Domaine(s)
  • Physique de l'atmosphère

Spanish

Save record 5

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