Transition Modeling for Low to High Speed Boundary Layer Flows with CFD Applications

Tuncer, İsmail Hakkı
Kaynak, Ünver
Çakmakcıoğlu, Samet Caka


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A computational model is introduced which employs transformation-based media to increase the computational performance of finite methods (such as finite element or finite difference methods) for analyzing waveguides with grooves or rough surfaces. Random behavior of the roughness is taken into account by utilizing the Monte Carlo technique, which is based on a set of random rough surfaces generated from Gaussian distribution. The main objective of the proposed approach is to create a single mesh, and to ana...
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Anumerical model based on Cahn–Hilliard phase-field method is introduced for thefirst time in the literature to investigate the hydrodynamics and heat transfercharacteristics of a vaporized elongated bubble in a rectangular microchannel. In thesimulations, the initially nucleated bubble starts growing as it comes in contact withsuperheated water. The effects of the water inlet velocity and the bubble contact angleon the temporal evolution of the average hea...
Diffusion models implementation in hypersonic flow regimes
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This study highlights the diffusion phenomena in hypersonic flow regimes. It is an important event that has to be define in the flow field solutions. There are two famous diffusion model; Fick’s Law of Diffusion and Stefan-Maxwell Diffusion Equation. Both are included in the calculations. The model differences are observed both physically and mathematically. Finally, their results are examined for each of the species.
Delay models for CMOS and BICMOS circuits and applications for timing simulations
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Citation Formats
İ. H. Tuncer, Ü. Kaynak, and S. C. Çakmakcıoğlu, Transition Modeling for Low to High Speed Boundary Layer Flows with CFD Applications. 2020, p. 21.