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Cyclones 137

Table 17
Multiple-Regression Models for D (µ µm), D (µ µm), and D (µ µm) at 2 and 4 L/min
50 16 84
Parameter value for Parameter value for
2 L/min data 4 L/min data
Variable
(mm) D (µm) D (µm) D (µm) D (µm) D (µm) D (µm)
50 16 84 50 16 84
Constant 0 1.705 −1.538 0 0.629 0.125
D 0.172104 0 0.856 −0.170 −0.305 −0.219
in
D 0 0.832 0 0 0 0
e
h 0 0.05498 0.04676 0 0 0
B 0 0 0.06395 0 −0.02728 0
H 0 0 0.01976 0 0 −0.02269
cup
D D 0.155059 0.368 0 0.07873 0.122 0.09303
in e
D S 0.043678 0.03636 0.02756 0.01636 0.01394 0.01337
in
D h 0.012937 0 0 0.00969 0.009032 0.009583
in
D Z 0.017697 0.01969 0.0143 0.00765 0.0143 0.006529
in
D D 0.018444 0.02134 0 0.01773 0.01785 0.1257
in cup
D Z −0.011925 0 0 0 −0.00591 0
e
SZ −0.004054 −0.00337 −0.002958 0 0 0
ZZ 0.001225 0 0 0 0 0.00047
BH 0.003311 0.003325 0 0.00240 0.005152 0.003827
cup
R 2 0.998 0.986 0.938 0.994 0.972 0.971
Source: Adapted from Kenny and Gussman (53), with permission from Elsevier Science.

Table 18
Parameters a and b and Regression Coefficient R Obtained from Experimental
2
Fittings for the Cyclone Families
Cyclone family a b R 2
ESCC 2.6538±1.014 1.837±0.019 0.9886
SCC 4.2503±1.018 2.131±0.017 0.9753
GK 2.5492±1.017 2.105±0.017 0.9907
Source: Adapted from Kenny and Gussman (53), with permission from Elsevier Science.

Table 19
Summary of Family Cyclones Tested
Cyclone designation Body diameter (cm) Flow rates tested (L/min)

SRI–IIIa (SCC) 3.45 10–20
SCC 1.25–3.495 1–16.7
ESCC 0.816–3.0 1–16.7
GK 1.299–3.45 1–18
Source: Adapted from Kenny and Gussman (53), with permission from Elsevier Science.