A centrifugal filtration unit operating at a rotational speed of w has inner surface of the liquid (density ρL) located at a radial distance R from the axis of rotation. The thickness of the liquid film is δ and no cake is formed. The initial pressure drop during filtration is (A) ½w 2 . R 2 . ρL (B) ½w 2 . δ 2 . ρL (C) ½w 2 . δρL (2R + δ) (D) ½w 2 . R . ρL(R + 2δ)

A centrifugal filtration unit operating at a rotational speed of w has
inner surface of the liquid (density ρL) located at a radial distance R from
the axis of rotation. The thickness of the liquid film is δ and no cake is
formed. The initial pressure drop during filtration is
(A) ½w
2
. R
2
. ρL
(B) ½w
2
. δ
2
. ρL
(C) ½w
2
. δρL (2R + δ)
(D) ½w
2
. R . ρL(R + 2δ)
by

1 Answer

Answer :

(C) ½w
2
. δρL (2R + δ)
by

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