Tabelul 9.2. Valorile necesare trasării curbelr pentru diferite valori ale coeficientului a

a=1 a=0.2 a=-0.5I Qi

(m3/s)lg Qi Hi (m) Hi +a lg(Hi +a) Hi +a lg(Hi +a) Hi +a lg(Hi +a)

1 0.064 -1.19382 1.89 2.89 0.460898 2.09 0.320146 1.39 0.1430152 1.1 0.041393 2.61 3.61 0.557507 2.61 0.416641 2.61 0.4166413 2.06 0.313867 1.93 2.93 0.466868 4.02 0.604226 3.32 0.5211384 0.394 -0.4045 1.69 2.69 0.429752 4.3 0.633468 4.3 0.6334685 0.049 -1.3098 1.47 2.47 0.392697 5.49 0.739572 4.79 0.6803366 0.036 -1.4437 1.43 2.43 0.385606 5.73 0.758155 5.73 0.7581557 0.022 -1.65758 1.4 2.4 0.380211 6.89 0.838219 6.19 0.7916918 0.571 -0.24336 1.78 2.78 0.444045 7.51 0.87564 7.51 0.875649 0.014 -1.85387 1.4 2.4 0.380211 8.29 0.918555 7.59 0.88024210 0.012 -1.92082 1.47 2.47 0.392697 8.98 0.953276 8.98 0.95327611 0.536 -0.27084 1.8 2.8 0.447158 10.09 1.003891 9.39 0.97266612 0.07 -1.1549 1.56 2.56 0.40824 10.54 1.022841 10.54 1.022841

0 . 0 6 4 1 . 1 2 . 0 6 0 . 3 9 4 0 . 0 4 9 0 . 0 3 6 0 . 0 2 2 0 . 5 7 1 0 . 0 1 4 0 . 0 1 2 0 . 5 3 6 0 . 0 70

0.5

1

1.5

2

2.5

3

Figura 9.4 Curbele necesare determinării parametrilor a, Q0 si n