2007_6_Nr6_EEMJ

Mihai et al. /Environmental Engineering and Management Journal 6 (2007), 6, 505-509
Praestol 611 c = 0.01 and SLS c = 1.6 10 -3
complex solution
10 6
10 5
a.
Praestol 611 c = 0.1 and SLS c = 1.6 10 -3
complex solution
10 4
10 4
10 3
10 2
10 1
τ = f(γ)
η = f(γ)
η, cP
10 3
10 2
10 1
10 0
10 -1
10 -2
1 10 100 1000
γ, s -1
a.
Praestol 611 c = 0.01 and SLS c = 2.1 10 -3
complex solution
10 5
10 0
10 -1
1 10 100 1000
b.
going
return
γ, s -1
Fig. 8. Rheograme of complex solution (Praestol 611 c =
0.01 % and SLS c = 1.6 10 -3 %) in coordonate τ = f(γ) (a)
and η = f(γ) (b).
10 4
10 3
10 2
τ = f(γ)
η = f(γ)
Praestol 611 c = 0.1 and SLS c = 2.3 10 -3
complex solution
10 6
10 5
10 1
10 0
10 -1
10 -2
1 10 100
b.
γ, s -1
Fig. 7. Rheograme of complex solution made with Praestol
611 c = 0.01 %
Praestol 611 c = 0.1 and SLS c = 1.6 10 -3
complex solution
10 5
10 4
η, cP
τ, N/m 2
10 4
10 3
10 2
10 1
10 0
1000
100
10
1 10 100 1000
a.
going
return
γ, s -1
Praestol 611 c = 0.1 and SLS c = 2.3 10 -3
complex solution
τ, N/m 2
10 3
10 2
going
10 1
return
10 0
1 10 100 1000
γ, s -1
1
0.1
going
return
γ, s -1
1 10 100
b.
Fig. 9. Rheograme of complex solution (Praestol 611 c =
0.01% and SLS c = 2,3 10 -3 %) in coordonate τ = f(γ) (a)
and η = f(γ) (b)
508