Termodynamikkens 2.lov Flashcards

1
Q

Arbeid gjort av en varmemaskin

A

W = Qh-Qc

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2
Q

Virkningsgrad varmemaskin

A

ε = (W/Qh) = 1- (Qc/Qh)

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3
Q

Virkningsgrad Carnot

A

ε = 1 - (Tc/Th)

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4
Q

Entropiendring i en reversibel prosess

A

dS = (dQrev/T)

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5
Q

Entropiendringen i universet

A

dSuni = dSsyst + dSomgiv (må være større enn 0 eller lik 0)

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