Turbulent rectangular ducts with minimum secondary flow
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Heat and Fluid Flow"
DOI: 10.1016/j.ijheatfluidflow.2018.06.014
Abstract: Abstract In the present study we perform direct numerical simulations (DNSs) of fully-developed turbulent rectangular ducts with semi-cylindrical side-walls at Reτ, c ≃ 180 with width-to-height ratios of 3 and 5. The friction Reynolds number Reτ, c… read more here.
Keywords: rectangular ducts; side walls; turbulent rectangular; secondary flow ... See more keywords
Study of the effects of aspect ratio on hydrodynamic stability in curved rectangular ducts using energy gradient method
Sign Up to like & getrecommendations! Published in 2020 at "Engineering Science and Technology, an International Journal"
DOI: 10.1016/j.jestch.2019.05.004
Abstract: Abstract We investigated the hydrodynamic instability of fluid flow in the 180° curved rectangular ducts under different aspect ratios using the energy gradient method. For this purpose, distribution of 3D energy gradient function K is… read more here.
Keywords: energy gradient; curved rectangular; rectangular ducts; aspect ratio ... See more keywords
Lattice Boltzmann simulation of turbulent flow in rotating rectangular ducts with various aspect ratios
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review Fluids"
DOI: 10.1103/physrevfluids.5.124608
Abstract: Because of the existence of sidewalls and the Coriolis force, temporally and spatially persistent Ekman motion is induced in rectangular ducts subjected to spanwise rotation. The Ekman layers affected by the duct aspect ratio (AR)… read more here.
Keywords: rectangular ducts; simulation turbulent; lattice boltzmann; turbulent flow ... See more keywords