Condensate coupled with turbulence
1)
Instability forcing:
ε
(t) ~
γ
(k
f
) E(k
f
) k
f
2)
Spectrum of small-scale
turbulence:
E(k
f
) ~
s
-1
ε
k
f
-1
3)
Condensate energy:
E
c
~ V
c
2
/2 ~ s
2
L
2
~
º
ε
(t) dt,
4)
1,2 =>
¥
(i) E(k
f
) =0, - suppression of
turbulence by jets;
¥
(ii) s ~
γ
(k
f
)
–
saturation of the jets.
¥
2D turbulence governor