International Journal For Multidisciplinary Research

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An Integrated Numerical–Experimental Investigation on Turbulent Mixing in Shear Layers and Its Impact on Heat and Mass Transfer

Author(s) Dr. KALI PRASANNA LAKSHMI SELVARAJ, Pulari Haritha, Guna Sruthi, Dr.Ch. Ramya
Country India
Abstract The present study adopts a computational and experimental approach to examine the turbulent mixing, entertainment, and phenomena of transport in shear layers. Since they control heat as well as mass transport, turbulent shear layers-which are formed at the interface of fluid streams with velocity gradients-are necessary for both engineering and environment systems. To obtain the accurate measurements of the flow and scalar fields, the study’s set up utilizes the temperature and concentration diagnostics, LDV (Laser Doppler Velocimetry), and PIV (Particle Image Velocimetry).By utilizing the Reynolds-Average Navier-Stokes (RANS), Large Eddy Simulation(LES), and Direct Numerical Simulation (DNS) used to study the complementary numerical solution leads to capture the multifaceted vortex formations across a broad range of Reynolds number. Kelvin-Hemlholtz bought that coherent vortices are showing their impact on shear layer growth, turbulent magnitude, and adsorption. According to heat and mass transfer measurements, capillary transport is being increased by higher Reynolds and Prandtl numbers results in better Nusselt and Sherwood correlations. While RANS frequently underestimates scalar mixing and turbulence levels, LES shows good agreement with experimental data. This approach blends high-fidelity models with established information to minimize the uncertainty and enhance the knowledge of multiscale transport. The obtained results may offer useful recommendations for enhance the systems that operates under the turbulent flow conditions for mixing, cooling, combustion, chemical processing, and dispersion of pollutant.
Field Mathematics > Maths + Physics
Published In Volume 8, Issue 1, January-February 2026
Published On 2026-02-06
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E-ISSN 2582-2160
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