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V.2. Separarea sistemelor eterogene Sistemele eterogene sunt ...

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Din relatiile (V.79) si (V.80), rezulta:<br />

de unde:<br />

Re<br />

Dar, criteriul lui Arhimede are expresia :<br />

si relatia (V.82) devine:<br />

Re η 4d( ρ −ρ )kg<br />

ρ ξρ<br />

2 2<br />

C = 2 2<br />

Cd D<br />

3<br />

C<br />

C<br />

4d ( ρ −ρ ) ρ kg<br />

3<br />

2<br />

ξ= D C<br />

2<br />

3ηC<br />

C<br />

Ar<br />

=<br />

3<br />

d( ρD −ρC) ρCg<br />

2<br />

ηC<br />

4<br />

3<br />

2<br />

Re ξ=<br />

kAr<br />

(V.81)<br />

(V.82)<br />

(V.83)<br />

(V.84)<br />

17

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