Near‐wall velocities of particles suspended in shear flow and a streamwise electric field
Sign Up to like & getrecommendations! Published in 2022 at "ELECTROPHORESIS"
DOI: 10.1002/elps.202100395
Abstract: Particles with a diameter of ∼0.5 µm in a dilute (volume fractions φ∞ < 4 × 10−3) suspension assemble into highly elongated structures called “bands” under certain conditions in combined Poiseuille and electroosmotic flows in… read more here.
Keywords: electric field; near wall; wall velocities; velocities particles ... See more keywords
Near-wall motion of inertial particles in a drag-reduced non-Newtonian turbulent flow
Sign Up to like & getrecommendations! Published in 2019 at "Experiments in Fluids"
DOI: 10.1007/s00348-019-2764-8
Abstract: The kinematics of inertial particles suspended in the near-wall region of Newtonian and non-Newtonian turbulent channel flows was experimentally investigated. The non-Newtonian fluid was a homogeneous solution of 90 part per million of a polyacrylamide… read more here.
Keywords: inertial particles; near wall; water; non newtonian ... See more keywords
Turbulent kinetic energy estimate in the near wall region of smooth turbulent channel flows
Sign Up to like & getrecommendations! Published in 2021 at "Meccanica"
DOI: 10.1007/s11012-021-01396-2
Abstract: Turbulent kinetic energy (TKE) equation based on the Reynolds averaging hypothesis was approximated in the near wall region of turbulent channel flows and an analytical solution for TKE was proposed by Absi for $$y^{ +… read more here.
Keywords: kinetic energy; turbulent channel; turbulent kinetic; near wall ... See more keywords
Structures of near-wall wakes subjected to a sonic jet in a supersonic crossflow
Sign Up to like & getrecommendations! Published in 2018 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2018.07.048
Abstract: Abstract Nanoparticle-based Planar Laser Scattering (NPLS) technology and Oil flow visualization are employed to investigate the wake flow of a sonic jet injected into a supersonic crossflow at Ma = 2.95. Experiments are run for seven jet-to-crossflow… read more here.
Keywords: jet; near wall; momentum flux; supersonic crossflow ... See more keywords
Effect of pyrolytic reaction of supercritical aviation kerosene RP-3 on heat and mass transfer in the near-wall region
Sign Up to like & getrecommendations! Published in 2021 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2021.117401
Abstract: Abstract The high concentration of pyrolytic unsaturated hydrocarbons in the near-wall region will generate surface fouling in the regenerative cooling passage, which dramatically deteriorates heat transfer performance. In the present study, the heat and mass… read more here.
Keywords: heat; near wall; wall region; mass ... See more keywords
Char/ash deposition and near-wall segregation in slagging entrained-flow gasification of solid fuels: from experiments to closure equations
Sign Up to like & getrecommendations! Published in 2020 at "Fuel"
DOI: 10.1016/j.fuel.2019.116864
Abstract: Abstract The performance of entrained-flow gasifiers of solid fuels is critically affected by the complex gas-solid multiphase flow patterns and near-wall segregation of char/ash particles. The impact-deposition-rebound dynamical patterns of particles, as they approach and… read more here.
Keywords: char; near wall; char ash; deposition ... See more keywords
Numerical assessment of wall modelling approaches in scale-resolving in-cylinder simulations
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Heat and Fluid Flow"
DOI: 10.1016/j.ijheatfluidflow.2018.09.016
Abstract: Abstract Wall modelling in internal combustion engines (ICEs) is a challenging task due to highly specific boundary layers and a dynamically changing flow environment. Recent experimental (Jainski et al., 2013, Renaud et al., 2018) and direct numerical… read more here.
Keywords: scale resolving; wall modelling; near wall; numerical assessment ... See more keywords
Thermal-fluid characteristics on near wall of gas-solid fluidized bed reactor
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2017.06.125
Abstract: Abstract Gas-solid circulating fluidized beds (CFBs) are for carbon capture process because of their remarkable heat and mass transfer characteristics in the target reactor. Bed-to-wall heat transfer is an important issue in designing a reactor… read more here.
Keywords: near wall; wall; particle; transfer ... See more keywords
Healthy and diseased coronary bifurcation geometries influence near-wall and intravascular flow: A computational exploration of the hemodynamic risk.
Sign Up to like & getrecommendations! Published in 2017 at "Journal of biomechanics"
DOI: 10.1016/j.jbiomech.2017.04.016
Abstract: Local hemodynamics has been identified as one main determinant in the onset and progression of atherosclerotic lesions at coronary bifurcations. Starting from the observation that atherosensitive hemodynamic conditions in arterial bifurcation are majorly determined by… read more here.
Keywords: wall intravascular; near wall; hemodynamics; bifurcation ... See more keywords
Shear stress-driven flow: the state space of near-wall turbulence as $Re_{\unicode[STIX]{x1D70F}}\rightarrow \infty$
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Fluid Mechanics"
DOI: 10.1017/jfm.2019.472
Abstract: An inner-scaled, shear stress-driven flow is considered as a model of independent near-wall turbulence as the friction Reynolds number $Re_{\unicode[STIX]{x1D70F}}\rightarrow \infty$ . In this limit, the model is applicable to the near-wall region and the… read more here.
Keywords: stress driven; near wall; shear stress; wall turbulence ... See more keywords
Behavior of active filaments near solid-boundary under linear shear flow.
Sign Up to like & getrecommendations! Published in 2019 at "Soft matter"
DOI: 10.1039/c9sm00027e
Abstract: The steady-state behavior of a dilute suspension of self-propelled filaments confined between planar walls subjected to Couette-flow is reported herein. The effect of hydrodynamics has been taken into account using a mesoscale simulation approach. We… read more here.
Keywords: near wall; shear; propulsive force; shear flow ... See more keywords