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Motori endotermici alternativi

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<strong>Motori</strong> <strong>endotermici</strong> <strong>alternativi</strong> 4T<br />

Rendimento totale<br />

p<br />

p a<br />

B<br />

V 2<br />

D<br />

A 1<br />

accensione<br />

A<br />

apertura della<br />

valvola di scarico<br />

V 1<br />

P.M.S. P.M.I.<br />

A 2<br />

Dal ciclo ideale è noto che<br />

C<br />

V<br />

<br />

<br />

Q1 Q<br />

Q<br />

1<br />

2<br />

<br />

L<br />

m<br />

u id<br />

c<br />

Pci<br />

Definiamo il<br />

rendimento del ciclo<br />

indicato:<br />

<br />

i<br />

<br />

A1 A<br />

L<br />

u id<br />

2<br />

<br />

L<br />

L<br />

i<br />

u id<br />

13

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