%P 259-273
%I Springer Verlag
%V 751
%A N. Nordin
%A Z.A. Abdul Karim
%A S. Othman
%A V.R. Raghavan
%A S. Adzila
%A S. Md Seri
%A I. Md Taib
%A Y. Ramli
%T Assessment of turbulence model performance adopted near wall treatment for a sharp 90° 3-D turning diffuser
%R 10.1007/978-981-10-6463-0₂₃
%D 2017
%J Communications in Computer and Information Science
%L scholars9198
%O 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
%K 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
%X 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.