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Préface - IMO

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Troisième Forum R&D La lutte en mer contre les pollutions par hydrocarbures lourds et visqueux – Session I<br />

DENSITY (g/ml)<br />

DENSITY OF ORIMULSION 400, ITS BITUMEN,<br />

AND DIFFERENT SALINITY WATERS<br />

1.030<br />

1.025<br />

1.020<br />

1.015<br />

1.010<br />

1.005<br />

1.000<br />

0.995<br />

0.990<br />

0.985<br />

0.980<br />

BITUMEN<br />

ORIMULSION<br />

35 ppt<br />

30 ppt<br />

20 ppt<br />

10 ppt<br />

0 ppt<br />

0 10 20 30 40 50 60<br />

TEMPERATURE (°C)<br />

Intevep Data<br />

Illustration 5<br />

Courbes de densité du bitume, de l’Orimulsion et de l’eau de mer<br />

4<br />

GROWING OF AN ORIMULSION SPILL CLOUD<br />

8 LITERS (5.66 LITERS OF BITUMEN)<br />

Dx=Dy=Dz=0.0001 m 2 /s ; SAL.=10.3 PPT ; T=11.6 o C<br />

1000000<br />

3,5<br />

100000<br />

CLOUD RADIUS XY (m)<br />

3<br />

2,5<br />

2<br />

1,5<br />

1<br />

0,5<br />

RADIUS OF ISOLINE OF 10 PPM<br />

MAXIMUM CONCENTRATION<br />

MEAN INITIAL VELOCITY OF THE BULK MASS = 10 cm/s<br />

TERMINAL VELOCITY OF BITUMEN PARTICLES<br />

D

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