International Journal For Multidisciplinary Research

E-ISSN: 2582-2160   •   Impact Factor: 9.24

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Examining the Role of Surface Temperature on Boundary Layer Stability and Transition to Turbulence

Author(s) Jasraj Budigam
Country India
Abstract This study investigates the influence of varying surface temperature on the critical Reynolds number to understand the onset of turbulence in the boundary layer of a flat plate. Computational Fluid Dynamics (CFD) simulations in ANSYS Fluent have been utilized for the purpose of this study. The study systematically varies surface temperature to measure its impact on flow stability. The research demonstrates that an increase in surface temperature results in a lower critical Reynolds number (leading to an earlier transition from laminar to turbulent flow) by modeling air as the working fluid and applying the k-ω SST turbulence model. The results align with theoretical predictions which highlight the destabilizing effect of temperature-induced viscosity changes. This finding has practical implications for aerospace engineering, HVAC systems, and environmental modeling where controlling turbulence can optimize performance and energy efficiency. The study acknowledges limitations due to the use of a 2D model and suggests future work using 3D simulations and other flow conditions to expand the applicability of the findings.
Keywords Boundary layer stability, Turbulence transition, Surface temperature, Computational fluid dynamics, k-ω SST Turbulence model, Flow stability
Field Physics
Published In Volume 6, Issue 5, September-October 2024
Published On 2024-10-29
Cite This Examining the Role of Surface Temperature on Boundary Layer Stability and Transition to Turbulence - Jasraj Budigam - IJFMR Volume 6, Issue 5, September-October 2024. DOI 10.36948/ijfmr.2024.v06i05.29564
DOI https://doi.org/10.36948/ijfmr.2024.v06i05.29564
Short DOI https://doi.org/g8p2t9
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