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ou1-c6-filtrarea - Cadre Didactice

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4/26/2003<br />

Teoria filtrarii prin stratul de pp.<br />

o Sau:<br />

2<br />

( ) 1−s<br />

⎞ ∆P<br />

⎜ ⎟ = ⋅ t = K2<br />

⋅ ∆P<br />

⎝ A ⎠ r1<br />

⋅ μ ⋅ χ<br />

o Daca (18) se pune sub forma:<br />

⎛ V −s<br />

1<br />

A<br />

2<br />

⋅<br />

V<br />

K<br />

o Termenul stang este ct.;<br />

pt. a realiza o filtrare<br />

cu debit ct., ∆P trebuie<br />

sa varieze astfel incat:<br />

⎛<br />

⎜<br />

⎝<br />

t<br />

⎞<br />

⎟<br />

⎠<br />

2<br />

=<br />

2<br />

⋅<br />

( ∆P)<br />

( ) 1<br />

⋅ t<br />

t<br />

( P)<br />

t<br />

1−s<br />

∆ s 1−<br />

Lucian Gavrila – OPERATII UNITARE I<br />

=<br />

ct.<br />

(18)<br />

(19)<br />

(20)<br />

41

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