Coherent Vortical Structures and Their Relation to Hot/Cold Spots in a Thermal Turbulent Channel Flow

Coherent Vortical Structures and Their Relation to Hot/Cold Spots in a Thermal Turbulent Channel Flow

Direct numerical simulations of a turbulent channel flow with a passive scalar at R e τ = 394 with blowing perturbations is carried out. The blowing is imposed through five spanwise jets located near the upstream end of the channel. Behind the blowing jets (about 1 D , where D is th...

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Bibliographic Details
Main Authors: Suranga Dharmarathne, Venkatesh Pulletikurthi, Luciano Castillo
Format: Article
Language:English
Published: MDPI AG 2018-02-01
Series:Fluids
Subjects:
coherent structures
wall heat flux
flow control
blowing
channel flow
direct numerical simulations (DNS)
Online Access:http://www.mdpi.com/2311-5521/3/1/14

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