m2: plus de 1 000 m2/g
Débits : de 0,001 à 60 m3/s
Θ A = a P A 1 + a P A {\displaystyle \Theta _{A}={\frac {a\,P_{A}}{1+a\,P_{A}}}}
V ( c ) = V max − k c {\displaystyle V(c)=V_{\max }-kc}
Θ A = K éq P A 1 + K éq P A {\displaystyle \Theta _{A}={\frac {K_{\text{éq}}\,P_{A}}{1+K_{\text{éq}}\,P_{A}}}}
f n ′ ( x ) = n x n − 1 {\displaystyle f'_{n}(x)=nx^{n-1}}
v ( c ) = v max − k c {\displaystyle v(c)=v_{\max }-kc}
k = v max / c max {\displaystyle k=v_{\max }/c_{\max }}
D = c v ( c ) {\displaystyle D=cv(c)}
D = c v max − v max c max c 2 {\displaystyle D=cv_{\max }-{\frac {v_{\max }}{c_{\max }}}c^{2}}
D = c v max ( 1 − c c max ) {\displaystyle D=cv_{\max }(1-{\frac {c}{c_{\max }}})}
v Δ = D c max {\textstyle v_{\Delta }={\frac {D}{c_{\max }}}}
∂ c / ∂ t + ∂ D / ∂ z = 0 {\displaystyle \partial c/\partial t+\partial D/\partial z=0}
∂ c ∂ t + ∂ D ∂ z = 0 {\displaystyle {\partial c \over \partial t}+{\partial D \over \partial z}=0}
D = f ( c ) {\displaystyle D=f(c)}
△ c △ t + △ D △ z = 0 {\displaystyle {\frac {\bigtriangleup c}{\bigtriangleup t}}+{\frac {\bigtriangleup D}{\bigtriangleup z}}=0}