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TASK Quarterly : scientific bulletin of Academic Computer Centre in Gdansk
EN The paper presents a new extension of the -Ret model to account for both the laminar-turbulent transition and the surface roughness. The new modeling approach takes into account the pressure gradient, turbulence intensity and roughness height and density. In the transition region both the intermitt[...]
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Mechanics and Mechanical Engineering
EN The paper deals with the problem of wakes effect and surface roughness, which influences the performance and flow of axial turbine and compressor stages. The accurate and reliable prediction of both effects are of great interest of designers. The paper discusses the results of verification of bounda[...]
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