energie lumineuse Flashcards by Azra Comert

Q

rendement

A

Putile
__________

P rayonnement

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Q

Energie lumineuse (J)

A

Plumt EclairementS*t

P en W E en W/m carré
t en s S en m carré
t en s

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Q

Energie des photons

A

hcl ou h*f

h constante
c célérité
l en mm
f en Hz

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Q

Puissance lumineuse (W)

A

Plum=Eclairement*S

S en m carré
Éclairement en W/m carré

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Q

Energie thermique fluide (J)

A

E=mfluidecfluide(Tf-Ti)

m en kg
c en J/kg
T en ·C

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