What is it about?
In this work we assess the effect of inclination angle of two turbulent water jets that impinge obliquely and normally onto a flat target surface, respectively. In this configuration, the uphill and downhill jets impinge obliquely and normally onto a flat target surface, respectively.
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Why is it important?
Our results show that the jets’ exit Reynolds numbers, the oblique impingement angle of the uphill jet and the jets’-to surface distance play a major role on the complex flow structure and dynamics, location of the stagnation point and entrainment characteristics of the turbulent flow field of the twin jets.
Perspectives
The literature survey reveals that despite that jet impingement systems with different impinging angles are broadly used in many engineering fields and applications related to jet mixers, fuel injection systems, flow control purposes, propellant rocket engines and waste disposal, most of the aforementioned studies on oblique twin jet impingement have focused on a configuration with two parallel jets. However, to the best of the authors’ knowledge, there is a lack of studies that address the distinctive flow features of twin jet arrays with different impinging angles. Owing to their fundamental significance and wide range of engineering applications, this study aims to fill this void in the existing literature.
Dr. Lorenzo Martínez-Suástegui
Instituto Politecnico Nacional
Read the Original
This page is a summary of: Flow field analysis of submerged oblique and normally impinging twin jets at varying impinging angles, Experimental Thermal and Fluid Science, August 2025, Elsevier,
DOI: 10.1016/j.expthermflusci.2025.111491.
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