The Butterfly Effect
The Butterfly Effect
The Butterfly Effect
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Let Ek ( ) denote the kinetic energy per unit<br />
wave number of the system at wave number<br />
k<br />
−3/2 −1/2<br />
Eddy "turn over" time τ ( k) : k E ( k)<br />
<strong>The</strong> time taken for some initial small-scale error<br />
to grow and nonlinearly infect some large-scale<br />
component k , N powers of 2 larger in scale,<br />
N<br />
n<br />
( N) τ ( 2 k )<br />
Ω =∑<br />
n=<br />
0<br />
L<br />
L<br />
:<br />
: