Low Reynolds number isotope transient kinetic modeling in isothermal differential tubular catalytic reactors
Sign Up to like & getrecommendations! Published in 2018 at "Aiche Journal"
DOI: 10.1002/aic.16006
Abstract: A novel method is presented for modeling steady state isotope transient kinetics of heterogeneous catalytic reactions when the flow regime is laminar and conversion is differential. It is based on a factorization theorem which is… read more here.
Keywords: low reynolds; reynolds number; isotope transient; transient kinetic ... See more keywords
A low-Reynolds-number actuator driven by instability: rotating or oscillating
Sign Up to like & getrecommendations! Published in 2021 at "Nonlinear Dynamics"
DOI: 10.1007/s11071-021-06846-w
Abstract: Due to an electro-hydrodynamic instability, a dielectric spherical particle immersed in a dielectric viscous solvent can exhibit steady rotation spontaneously (Quincke rotation) in a uniform steady electric field of sufficient strength. The recent works [Zhu… read more here.
Keywords: low reynolds; number actuator; reynolds number; actuator ... See more keywords
Effect of Free Stream Turbulence on Flow Past a Circular Cylinder at Low Reynolds Numbers
Sign Up to like & getrecommendations! Published in 2019 at "Journal of The Institution of Engineers (India): Series C"
DOI: 10.1007/s40032-017-0422-6
Abstract: Circular cylinders experiencing different upstream flow conditions have been studied for low Reynolds numbers using hot-wire anemometry and smoke flow visualizations. The upstream condition of the cylinder in the test section is varied using a… read more here.
Keywords: turbulence; cylinder; test section; low reynolds ... 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
Assessment of low-Reynolds number k-ε turbulence models against highly buoyant flows
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2016.12.039
Abstract: Abstract Low-Reynolds-number k-e turbulence models have been successfully used by numerous researchers in various applications. It has been found that the Myong-Kasagi model (MK) among them outperforms in simulations of thermal-fluid fields at supercritical pressures… read more here.
Keywords: low reynolds; reynolds number; turbulence; number ... See more keywords
On the CFD modelling of hydrogen dispersion at low-Reynolds number release in closed facility
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Hydrogen Energy"
DOI: 10.1016/j.ijhydene.2020.09.078
Abstract: Abstract Hydrogen release inside closed facilities could cause explosions with harmful consequences. Safety assessment should be performed, in order to design prevention and mitigation measures in case of such an accident. A numerical study for… read more here.
Keywords: low reynolds; facility; reynolds number; closed facility ... See more keywords
Influence of various aspects of low Reynolds number k-ε turbulence models on predicting in-tube buoyancy affected heat transfer to supercritical pressure fluids
Sign Up to like & getrecommendations! Published in 2017 at "Nuclear Engineering and Design"
DOI: 10.1016/j.nucengdes.2016.12.033
Abstract: Heat transfer to supercritical pressure fluids was modeled for normal and buoyancy affected conditions using several low Reynolds number k-e models, including the Launder and Sharma, Myong and Kasagi, and Abe, Kondoh and Nagano, with… read more here.
Keywords: low reynolds; number; heat transfer; heat ... See more keywords
A turbulent duct flow investigation of drag-reducing viscoelastic FENE-P fluids based on different low-Reynolds-number models
Sign Up to like & getrecommendations! Published in 2019 at "Physica A: Statistical Mechanics and its Applications"
DOI: 10.1016/j.physa.2019.03.083
Abstract: Abstract Drag reduction of viscoelastic fluids under turbulent flow regime is an important phenomenon and well observed by many researchers. In this paper, turbulent flow characteristics under drag reduction condition are compared using four different… read more here.
Keywords: reynolds number; drag reduction; different low; number models ... See more keywords
Low Reynolds number effects on aerodynamic loads of a small scale wind turbine
Sign Up to like & getrecommendations! Published in 2020 at "Renewable Energy"
DOI: 10.1016/j.renene.2020.03.097
Abstract: Abstract Small-scale or scaled-down wind turbines for model experiments mostly operate in low-Reynolds-number flow. The nonlinear variations of aerodynamic coefficients with respect to the angle of attack caused by viscous effects and laminar boundary layer… read more here.
Keywords: wind; low reynolds; reynolds number; small scale ... See more keywords
Drag of a heated sphere at low Reynolds numbers in the absence of buoyancy
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Fluid Mechanics"
DOI: 10.1017/jfm.2019.187
Abstract: Fully resolved simulations are used to quantify the effects of heat transfer in the absence of buoyancy on the drag of a spatially fixed heated spherical particle at low Reynolds numbers ( $Re$ ) in… read more here.
Keywords: reynolds numbers; low reynolds; heated sphere; absence buoyancy ... See more keywords
The growth mechanism of turbulent bands in channel flow at low Reynolds numbers
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Fluid Mechanics"
DOI: 10.1017/jfm.2019.899
Abstract: In this work, we carried out direct numerical simulations in large channel domains and studied the kinematics and dynamics of fully localised turbulent bands at Reynolds number $Re=750$. Our results show that the downstream end… read more here.
Keywords: reynolds numbers; mechanism; low reynolds; turbulent bands ... See more keywords