What is it about?
We study experimentally the unsteady and mean flow of three in-line turbulent jets impinging on a sinusoidally corrugated plate. Results show that impingement distance and corrugation phase strongly influence oscillatory motion that governs entrainmetn and jet-crossflow interaction.
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Why is it important?
Our results show that compared with flat-target configurations, suface corrugation reorganizes the jets'-crossflow interaction, enhancing vortex-induced mixing and turbulence generation.
Perspectives
These hydrodynamic effects provide the physical basis for the improved convective performance reported in prior heat-transfer studies.
Dr. Lorenzo Martínez-Suástegui
Instituto Politecnico Nacional
Read the Original
This page is a summary of: Oscillatory dynamics of confined turbulent jets impinging on corrugated targets, International Journal of Heat and Fluid Flow, January 2026, Elsevier,
DOI: 10.1016/j.ijheatfluidflow.2025.110134.
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