CFD

Numerical modelling of continuous laser welding of S355J2 steel using a volumetric heat source

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Numerical modelling of continuous laser welding of S355J2 steel using a volumetric heat source Aleksander Siwek1, Sławomir Kąc1, Janusz Pikuła2 1AGH University of Krakow, al. A. Mickiewicza 30, 30-059 Krakow, Poland. 2Łukasiewicz Research Network – Upper Silesian Institute of Technology, ul. Karola Miarki 12–14, 44-100 Gliwice, Poland. DOI: https://doi.org/10.7494/cmms.2023.4.0822 Abstract: Numerical modelling of laser welding … Read more

A computational fluid dynamics analysis of transport enforced by Marangoni effect during laser welding

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A computational fluid dynamics analysis of transport enforced by Marangoni effect during laser welding Aleksander Siwek AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Kraków. DOI: https://doi.org/10.7494/cmms.2017.4.0602 Abstract: The influence of sulfur content on the welding process has been described in several papers. Sulfur as one of the surface active elements affects the … Read more

Investigation of the heat transport during the hollow spheres production from the tin melt

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Investigation of the heat transport during the hollow spheres production from the tin melt Michael Petrov1,2, Pavel Petrov2, Juergen Bast1, Anatoly Sheypak3 1Technical University Mining Academy of Freiberg, Institute of Machine Elements, Design and Manufacturing, Leipzigerstr. 30, 09596 Freiberg, Germany.2Moscow State University of Mechanical Engineering (MAMI), Department Car Body Making and Metal Forming, B. Semenovskaya … Read more

Model of convective heat transfer in keyhole mode laser welding

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Model of convective heat transfer in keyhole mode laser welding Aleksander Siwek, Jacek Rońda, Krzysztof Banaś AGH University of Science and Technology, Faculty of Metals Engineering and. DOI: https://doi.org/10.7494/cmms.2011.1.0331 Abstract: Article applies a model of welding with high-power laser beam. As a result of heating the material in the area of a laser beam creates … Read more

Flow analysis in centrifugal pump

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Flow analysis in centrifugal pump Ievgenii Altyntsev1,2, Andrzej Korczak2, Tomasz Synowiec2, Wojciech Bujok1, Maciej Darłak1, Roman Kustosz1 1Artificial Heart Laboratory, Foundation of Cardiac Surgery Development, Zabrze, Poland.2Faculty of Energy And Environmental Engineering, Silesian University of Technology, Gliwice, Poland. DOI: https://doi.org/10.7494/cmms.2011.1.0334 Abstract: The paper describes numerical and experimental study of centrifugal pump developed to assist left … Read more

Numerical flow analysis in POLVAD-IMPL prosthesis model

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Numerical flow analysis in POLVAD-IMPL prosthesis model Wojciech Bujok, Maciej Darłak, Dorota Jurkojć, Roman Kustosz Foundation for Cardiac Surgery Development, Wolności 345a, 41-800 Zabrze, Poland. DOI: https://doi.org/10.7494/cmms.2011.1.0335 Abstract: Numerical analyses of flow properties for POLVAD-IMPL device equipped with Medtronic HallTM valves were performed. Steady flow conditions were assumed in all calculations. Analysis concerned the device … Read more