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Sedimentation 125
b
Q(plate) v P v d/cos θ
θ
d s d θ
c θ c
v(sum) L+ d/(sin θ cos θ)
L L
L
Q(plate)
d
θ θ
a a
(a) (b) (c)
FIGURE 6.32 Up-flow settler: (a) flow direction, (b) velocity vectors, and (c) geometric similarity.
Q(tube)
c c
Q(tube) v P L–d tan θ
L L
b b d L
v(sum) θ
d/cos θ
v s
θ θ
(a) (b) a (c) a
FIGURE 6.33 Down-flow settler: (a) flow direction, (b) velocity vectors, and (c) geometric similarity.
v P
b
v P
v(sum)
v s
v s
L
a c Q(plate)
w(plate)
d b
θ
d/cos θ d/cos θ
θ
a c
(a) (b)
FIGURE 6.34 Cross-flow settler: (a) flow direction and (b) velocity vectors and geometric similarity.
