D

C₁

C₂

0.01 ≤ D < 0.031

−159.9527

19.64363/D₀

0.031 ≤ D < 0.076

−45.97878

16.18521/D₀

0.076 ≤ D < 0.165

−19.31806

14.20477/D₀

0.165 ≤ D < 0.368

−6.26909

12.15143/D₀

0.368 ≤ D < 0.687

−1.85821

10.53179/D₀

0.687 ≤ D < 1.306

−0.04096

9.28421/D₀

1.306 ≤ D < 4.18

0.68849

8.26618/D₀

4.18 ≤ D < 21.5

0.96904

6.95964/D₀

21.5 ≤ D ≤ 100

0.99786

6.34676/D₀