Les Fluides Flashcards

1
Q

Quelles est la formule du débit volumique?

A
Q = v x S
Q = v x π x r^2
Q = v x π x (d/2)^2
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2
Q

Le débit volumique est-il constant?

A

Oui

donc:
Q1 = Q2
v1 x S1 = v2 x S2

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3
Q

Quelles est la formule générale du Théorème de Bernoulli?

A

P + ρgh + 1/2ρv^2 = constante

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4
Q

Que vaut la pression de l’eau touchant l’air?

A

Peau = Pair = 1

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5
Q

Quelle est la formule de la variation de l’énergie cinétique?

A

ΔEcinétique = 1/2mΔv^2

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