Wall turbulence at high friction Reynolds numbers
Sergio Hoyas, Martin Oberlack, Francisco Alcántara-Ávila, Stefanie Kraheberger, Jonathan Laux
Abstract
An instantaneous streamwise velocity perturbation of a new simulation of a turbulent channel flow at an unprecedented friction Reynolds number of 10000 is conducted. One point statistics and turbulent budgets are discussed, solving some questions and raising new ones.
Topics & Concepts
TurbulenceReynolds numberReynolds stress equation modelMechanicsReynolds decompositionPhysicsPerturbation (astronomy)Open-channel flowMagnetic Reynolds numberClassical mechanicsK-epsilon turbulence modelMathematicsStatistical physicsReynolds equationK-omega turbulence modelQuantum mechanicsFluid Dynamics and Turbulent FlowsHeat Transfer MechanismsParticle Dynamics in Fluid Flows