Active and passive in-plane wall fluctuations in turbulent channel flows

TI Józsa, E Balaras, M Kashtalyan… - Journal of Fluid …, 2019 - cambridge.org
Compliant walls offer the tantalising possibility of passive flow control. This paper examines
the mechanics of compliant surfaces driven by wall shear stresses, with solely in-plane …

On the friction drag reduction mechanism of streamwise wall fluctuations

TI Józsa, E Balaras, M Kashtalyan… - International Journal of …, 2020 - Elsevier
Understanding how to decrease the friction drag exerted by a fluid on a solid surface is
becoming increasingly important to address key societal challenges, such as decreasing the …

Analytical solutions of incompressible laminar channel and pipe flows driven by in-plane wall oscillations

TI Jozsa - Physics of Fluids, 2019 - pubs.aip.org
Emerging flow control strategies have been proposed to tackle long-lasting problems, for
instance, precise mixing of chemicals and turbulent drag reduction. Employing actuators …

Introduction to Classical Analytical Solutions for Wall-Bounded Turbulence

L Könözsy - A New Hypothesis on the Anisotropic Reynolds Stress …, 2020 - Springer
The content of this introductory chapter returns to the original roots of turbulence modelling
and intentionally goes back in time as well. For graduate students, the understanding of …