T_T/T_Ch = r

0.1

0.14

0.2

0.25

0.3

0.4

0.5

1

U_T m/sec

6.0

6.0

5.0

4.5

4.3

3.8

3.7

1.05

U_Ch m/sec

0.6

0.9

1.0

1.15

1.3

1.5

1.8

1.05