The inertial subrange is a specific region in the energy spectrum of turbulence where the energy cascade occurs, characterized by a balance between inertial forces and inertial dissipation. Within this range, larger eddies transfer energy to smaller eddies without significant viscous effects, allowing the turbulence to maintain its energy while cascading down to even smaller scales. This concept is fundamental in understanding the turbulent flow behavior as described by Kolmogorov's theory.
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