Diameter of the Passage(cm)
ΔS/S
0
(ΔS/S
0
)/(
1−(ΔS/S
0
)
Δ
l
4
0
0
0
3
0.4375
0.777777778
1.3
2
0.75
3
4.2
1
0.9375
15
15.4
R=
0.997462