Assessment of turbulence model performance adopted near wall treatment for a sharp 90° 3-D turning diffuser

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Nordin, N. and Abdul Karim, Z.A. and Othman, S. and Raghavan, V.R. and Adzila, S. and Md Seri, S. and Md Taib, I. and Ramli, Y. (2017) Assessment of turbulence model performance adopted near wall treatment for a sharp 90° 3-D turning diffuser. Communications in Computer and Information Science, 751. pp. 259-273. ISSN 18650929

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Abstract

The primary aim of this paper is to assess the performance of k-ε turbulence models by means of adopting various near wall treatments to simulate the flow within a sharp 90° 3-D turning diffuser. The Computational Fluid Dynamics (CFD) results were validated quantitatively and qualitatively with the experimental results (using Particle Image Velocimetry (PIV)). The standard k-ε adopted curvature correction and enhanced wall treatment of y+ � 1.2�1.7 appears as the best validated model, producing minimal deviation with comparable flow structures to the experimental cases. © Springer Nature Singapore Pte Ltd. 2017.

Item Type: Article
Additional Information: cited By 0; Conference of 17th International Conference on Asia Simulation, AsiaSim 2017 ; Conference Date: 27 August 2017 Through 29 August 2017; Conference Code:197069
Uncontrolled Keywords: Computational fluid dynamics; Diffusers (optical); Turbulence models; Velocity measurement, Curvature correction; K-epsilon turbulence model; Model performance; Near-wall treatment; Particle image velocimetries; Standard k epsilons; Wall treatment, Wall function
Depositing User: Mr Ahmad Suhairi UTP
Date Deposited: 09 Nov 2023 16:21
Last Modified: 09 Nov 2023 16:21
URI: https://khub.utp.edu.my/scholars/id/eprint/9198

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