power aire ci
TRANSCRIPT
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THE WINDTHE WIND
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Which kind of winds are there in Catalonia?
Els vents s’anomenen segons la seva procedència geogràfica
Wind are called depending on its geographic origin
A Catalunya es representa amb la “ROSA DELS VENTS”
In Catalonia we represent on
“COMPASS ROSE”
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How we know wind direction?
L’instrument que mesura la direcció és
el PENELL.
The instrument that mesures the
direction is called “wind cock” or “weathercock”
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El gall és la figura més representada en tots els penell d’arreu d’ Europa.
The cock is the most figure represented in all wind cocks all around Europe
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L’instrument que mesura la força del vent es diu ANEMÒMETRE.
The instrument which mesures wind force is called “ANEMOMETER”
Les MÀNEGUES DE VENT indiquen la força i la direccció del vent als
aeroports, ponts i viaductes.
The WIND HOSES show force, wind direction in airports, bridges and tracks where it runs a lot of air.
How do we mesure wind force?
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Descobrim l’aire en el nostre cos. Inflem un globus.
We discover the air that’s in our body.
We blow a balloon.
We do experiments with the air
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Fem bellugar objectes amb l’aire.
We move objects with the air.
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Descobrim que els espais buits estan plens d’aire.
We discover the mpty spaces full of air.
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BEAUFORT scale
L’escala de Beaufort
classifica la força del vent segons la seva velocitat i els
efectes que produeix al
paisatge o a les persones.
Beaufort scale classify wind force depending on its speed and the
effects that cuses in landscape or
people.
Grau/Grade 0 Calma/ Calm
Grau/Grade 1 Ventolina/ Light air
Grau/Grade 4
Grau/Grade 8
Grau/Grade 12
Vent moderat/ Gentle Breeze
Temporal/ Gale
Huracà/ Hurricane
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For that we use the wind?
El vent serveix per a fer moure els MOLINS i els AEROGENERADORS,
que són màquines que ens permeten obtenir energia, moldre
gra i bombejar aigua.
Molí multipala/
Molí de torre/ Aerogenerad
or/
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We are doing windmills
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We are flying planes
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We are flying kites