Breaking the Reynolds Analogy: Decoupling Turbulent Heat and Momentum Transport via Spanwise Wall Oscillation in Wall-Bounded Flow

This work investigates spanwise wall oscillation (SWO) as a method to preferentially enhance heat transfer over drag in turbulent channel flow. Direct numerical simulations at \(Re_\tau=180\) and \(\Pr=1\) show set of wall-oscillation parameters reducing drag also decrease heat transfer similarly, m...

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Veröffentlicht in:	arXiv.org 2023-12
Hauptverfasser:	Guérin, Lou, Flageul, Cédric, Cordier, Laurent, Grieu, Stéphane, Agostini, Lionel
Format:	Artikel
Sprache:	eng
Schlagworte:	Amplification Amplitudes Channel flow Decoupling Direct numerical simulation Drag reduction Heat exchangers Heat flux Heat transfer Impact analysis Momentum Shear stress Turbulent flow
Online-Zugang:	Volltext
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