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15 mins
Dissipative Range Scaling of Higher Order Structure Functions for Velocity and Passive Scalars
Michael Gauding, Jonas Boschung, Christian Hasse, Norbert Peters
Session: Intermittency and scaling 3
Session starts: Wednesday 26 August, 10:30
Presentation starts: 11:45
Room: Room H

Michael Gauding (TU Freiberg)
Jonas Boschung (RWTH-Aachen University)
Christian Hasse (TU Freiberg)
Norbert Peters (RWTH-Aachen University)

Differently to Kolmogorov's second similarity hypothesis, we find that the 2n-th order velocity and scalar structure functions scale with n-th order moment of the energy dissipation and the scalar dissipation, respectively. The origins of this scaling are analyzed by the transport equations of the fourth order velocity and scalar increment moments and by direct numerical simulations.