Dissipation range of the energy spectrum in high Reynolds number turbulence
Dhawal Buaria, Katepalli R. Sreenivasan
Abstract
The dissipation range of the turbulent energy spectrum is investigated using high-Reynolds-number direct numerical simulations with unprecedented small-scale resolution, uncovering the universal and nonuniversal aspects.
Topics & Concepts
DissipationTurbulencePhysicsReynolds numberRange (aeronautics)Energy (signal processing)Statistical physicsMechanicsEnergy spectrumSpectrum (functional analysis)Classical mechanicsComputational physicsTurbulence kinetic energyK-omega turbulence modelStrouhal numberWavenumberFluctuation-dissipation theoremK-epsilon turbulence modelEnstrophyDirect numerical simulationField (mathematics)Spectral densityFluid Dynamics and Turbulent FlowsQuantum chaos and dynamical systemsFluid dynamics and aerodynamics studies