Πλοήγηση ανά Θέμα "Channel flow"
Αποτελέσματα 1-10 από 10
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Direct numerical simulation of particle-laden turbulent channel flows with two- and four-way coupling effects: Budgets of Reynolds stress and streamwise enstrophy
(2016)The budgets of the Reynolds stress and streamwise enstrophy are evaluated through direct numerical simulations for the turbulent particle-laden flow in a vertical channel with momentum exchange between the two phases. The ... -
Direct numerical simulation of particle-laden turbulent channel flows with two- and four-way coupling effects: Models of terms in the Reynolds stress budgets
(2017)In the first part of this study (Dritselis 2016 Fluid Dyn. Res. 48 015507), the Reynolds stress budgets were evaluated through point-particle direct numerical simulations (pp-DNSs) for the particle-laden turbulent flow in ... -
Gas flow in a grooved channel due to pressure and temperature gradients
(2006)The flow of a gas in a grooved nano or micro channel, due to the imposed pressure and temperature gradients in the longitudinal direction, is investigated via a kinetic approach. The solution is valid in the whole range ... -
LES of particle-laden turbulent channel flow with transverse roughness elements on one wall
(2009)The effect of wall roughness on the transport of solid particles in a turbulent channel flow is numerically investigated by means of large eddy simulation coupled with a Lagrangian particle-tracking scheme. Two-dimensional ... -
Microrotation viscosity effect on turbulent micropolar fluid channel flow
(2021)Fluids with an internal rigid microstructure, the so-called micropolar fluids, gain significant attention in many industrial, natural, and biological systems. Here, we study in detail the microrotation viscosity effect on ... -
Numerical study of educed coherent structures in the near-wall region of a particle-laden channel flow
(2008)The interaction of small heavy solid particles with turbulence near the wall of a vertical downward channel flow is investigated by using direct numerical simulation (DNS) and Lagrangian particle tracking. The interest is ... -
Numerical study of particle deposition in a turbulent channel flow with transverse roughness elements on one wall
(2017)A numerical study is presented for the effect of wall roughness on the deposition of solid spherical particles in a fully developed turbulent channel flow based on large eddy simulation combined with a Lagrangian ... -
Recurrence quantification analysis of MHD turbulent channel flow
(2019)We present Recurrence Plots (RPs) and Recurrence Quantification Analysis (RQA) of time series of velocities in a low-Reynolds-number magnetohydrodynamic turbulent channel flow. The flow was simulated using a fully spectral ... -
Reynolds number effect of the turbulent micropolar channel flow
(2022)The turbulent regime of non-Newtonian flows presents a particular interest as flow behavior is directly affected by the internal microstructure type of the fluid. Differences in the dispersed phase of a particle laden flow ... -
Spatiotemporal Time Series Analysis Methods for the Study of Turbulent Magnetohydrodynamic Channel Flows
(2015)In the present study, the direct numerical simulation of the turbulent flow of an electrically conductive fluid in a channel is performed and time series are recorded at a range of locations along the y-direction between ...