TH 3 Flashcards

1
Q

Conséquence T1 > T0

A

Dilatation du gaz

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2
Q

Transfère thermique

A

Q > 0

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3
Q

Poussée du piston par le gaz

A

W < 0

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4
Q

Application du principe fondamentale de la thermodynamique

A

Trouver ΔU

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5
Q

1er principe de la thermo pour tout système fermé en évolution quelconque

A
  • Δ[U + Em(macro))] = W + Q
  • Principe de conservation de l’énergie totale d’un système
  • U = +
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6
Q

Cas à l’équilibre macroscopique

A

ΔU = W + Q

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7
Q

Pour une évolution infinistésinal (petite évolution)

A

dU = δW + δQ

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8
Q

Fonction enthalpie : H

A

H = U + P.V

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9
Q

Coefficient thermodynamique du GP

A

γ = Cp/Cv

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10
Q

Relation de Mayer du GP

A

Cp - Cv = nR

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11
Q

1e loi de joule du GP

A

ΔU = CvΔT

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12
Q

2e loi de joule du GP

A

ΔH = CpΔT

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13
Q

Évolution adiabatique : Loi de LAPLACE

A
  • P.V^γ = cte
  • T.V^(γ-1) = cte
  • P^(1- γ).T^γ = cte
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