Remarks on High Reynolds Numbers Hydrodynamics and the Inviscid Limit
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Nonlinear Science"
DOI: 10.1007/s00332-017-9424-z
Abstract: We prove that any weak space-time $$L^2$$L2 vanishing viscosity limit of a sequence of strong solutions of Navier–Stokes equations in a bounded domain of $${\mathbb R}^2$$R2 satisfies the Euler equation if the solutions’ local enstrophies… read more here.
Keywords: reynolds numbers; high reynolds; limit; hydrodynamics ... See more keywords
Inspection of the dynamic properties of laminar separation bubbles: free-stream turbulence intensity effects for different Reynolds numbers
Sign Up to like & getrecommendations! Published in 2017 at "Experiments in Fluids"
DOI: 10.1007/s00348-017-2353-7
Abstract: The effects of free-stream turbulence intensity (FSTI) on the transition process of a pressure-induced laminar separation bubble have been studied for different Reynolds numbers (Re) by means of time-resolved (TR) PIV. Measurements have been performed… read more here.
Keywords: reynolds numbers; stream turbulence; free stream; turbulence intensity ... See more keywords
Numerical simulation of flow interaction between stationary and downstream elastically mounted cylinders in tandem at low Reynolds numbers
Sign Up to like & getrecommendations! Published in 2017 at "Journal of the Brazilian Society of Mechanical Sciences and Engineering"
DOI: 10.1007/s40430-016-0682-8
Abstract: Despite the simplicity of the geometry of the circular cylinders, the uniform flow around them is complex, since it may induce unsteady forces on structures associated with vortex shedding. This paper describes the study of… read more here.
Keywords: reynolds numbers; low reynolds; cylinders tandem; downstream elastically ... See more keywords
Direct numerical simulation of the flow around a cylinder with splitter plate: analysis for moderated Reynolds numbers
Sign Up to like & getrecommendations! Published in 2018 at "Journal of the Brazilian Society of Mechanical Sciences and Engineering"
DOI: 10.1007/s40430-018-1199-0
Abstract: The splitter plate has been one of the most successful devices in controlling the vortex shedding in the wake of the cylinder. In the present work, direct numerical simulations of the flow around a cylinder… read more here.
Keywords: reynolds numbers; plate; splitter plate; flow around ... See more keywords
Dynamic Response of Low-Aspect-Ratio Cantilever NACA0012 Airfoil at Low-To-Moderate Reynolds Numbers
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Aeronautical and Space Sciences"
DOI: 10.1007/s42405-018-0054-y
Abstract: The influence of the angle of attack (AoA) and the chord based Reynolds number (Rec) on the lift and drag coefficients has been analyzed experimentally in a low-aspect-ratio NACA0012 airfoil, AR = 2. Results are shown for… read more here.
Keywords: reynolds numbers; aspect ratio; response; low aspect ... See more keywords
Unsteady forced convection over cylinder with radial fins in cross flow
Sign Up to like & getrecommendations! Published in 2017 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2016.10.052
Abstract: Abstract The effect of adding straight fins on thermal and hydraulic characteristics of transient heat and fluid flow over a circular cylinder is investigated using the OpenFOAM toolbox. Simulations are conducted at Reynolds numbers of… read more here.
Keywords: number fins; reynolds numbers; unsteady forced; number ... See more keywords
Oscillatory fluid motion unlocks plug flow operation in helical tube reactors at lower Reynolds numbers (Re ≤ 10)
Sign Up to like & getrecommendations! Published in 2019 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2018.10.054
Abstract: Abstract Flow in helical tubes exhibits plug flow characteristics above a critical flow rate due to the formation of Dean vortices. In this study, we report the novel use of oscillatory flow inside coiled tubes… read more here.
Keywords: reynolds numbers; plug flow; tube; oscillatory fluid ... See more keywords
Pinch-off of a viscous liquid bridge stretched with high Reynolds numbers
Sign Up to like & getrecommendations! Published in 2020 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"
DOI: 10.1016/j.colsurfa.2019.124271
Abstract: Abstract In this study a stretching of a viscous liquid bridge formed between two flat solid parallel substrates is investigated experimentally. The stretching of the liquid bridge is caused by the constant acceleration of one… read more here.
Keywords: reynolds numbers; liquid; high reynolds; liquid bridge ... See more keywords
Enhancement of inline mixing with lateral synthetic jet pairs at low Reynolds numbers: The effect of fluid viscosity
Sign Up to like & getrecommendations! Published in 2017 at "Flow Measurement and Instrumentation"
DOI: 10.1016/j.flowmeasinst.2016.08.009
Abstract: Abstract In this paper, mixing between two liquid streams of the same flow rate in a planar mixing channel enhanced by means of three lateral synthetic jet pairs is examined using PLIF and PIV at… read more here.
Keywords: flow reynolds; synthetic jet; reynolds numbers; jet ... See more keywords
Transient wall shear stress measurements and estimates at high Reynolds numbers
Sign Up to like & getrecommendations! Published in 2017 at "Flow Measurement and Instrumentation"
DOI: 10.1016/j.flowmeasinst.2017.10.003
Abstract: Transient wall shear stress measurements using hot-film anemometry have been performed in a large-scale laboratory setup at high Reynolds numbers. Starting from Reynolds numbers 1.7×1061.7×106 and ... read more here.
Keywords: reynolds numbers; wall shear; high reynolds; shear stress ... See more keywords
Experimental and numerical investigation of flow structure in a cylindrical corrugated channel
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Mechanical Sciences"
DOI: 10.1016/j.ijmecsci.2019.05.026
Abstract: Abstract In this paper, details of the flow characteristics in a duct with circular corrugated channel mounted on walls were investigated both experimentally and numerically. In this research, in order to study the flow behaviors… read more here.
Keywords: corrugated channel; flow characteristics; flow; heat transfer ... See more keywords