Influence of the Preseparation Flow Structure on the Characteristics of the Separation Region Behind a Backward-Facing Step
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Engineering Physics and Thermophysics"
DOI: 10.1007/s10891-018-1784-1
Abstract: This paper presents the results of investigations of the influence of the separated flow structure behind a rib located before the edge of the backward-facing step on the parameters of the separation region behind it.… read more here.
Keywords: step; separation; facing step; flow structure ... See more keywords
Computational simulation of variable magnetic force on heat characteristics of backward-facing step flow
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Thermal Analysis and Calorimetry"
DOI: 10.1007/s10973-020-09608-9
Abstract: The application of the nanofluid is highly increased due to its high heat rate in the attendance of the magnetic field. In current investigation, CFD is employed to model the impact of the non-homogenous magnetic… read more here.
Keywords: backward facing; magnetic force; force heat; facing step ... See more keywords
Influence of backward-facing step on the mixing efficiency of multi microjets at supersonic flow
Sign Up to like & getrecommendations! Published in 2020 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2020.05.003
Abstract: Abstract The injection of the fuel is a highly important process for the enhancement of the scramjets. In this article, the presence of the backward-facing step on the mixing of the multi-fuel jets is expansively… read more here.
Keywords: step mixing; backward facing; fuel; mixing efficiency ... See more keywords
Effect of corrugated wall combined with backward-facing step channel on fluid flow and heat transfer
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DOI: 10.1016/j.energy.2019.116294
Abstract: Abstract The turbulent fluid flow and heat transfer were numerically studied through backward-facing step combined with various corrugated walls. The governing equation was solved using Finite Volume Method (FVM) and the SIMPLE algorithm was applied… read more here.
Keywords: heat; backward facing; heat transfer; facing step ... See more keywords
Thermal fluctuations in low-Prandtl number fluid flows over a backward facing step
Sign Up to like & getrecommendations! Published in 2020 at "Nuclear Engineering and Design"
DOI: 10.1016/j.nucengdes.2019.110460
Abstract: Abstract The backward facing step geometry (BFS) is a representative geometry for sudden expansions in pipe, duct and channel flows. While this type of geometry by itself is not a part of engineering components, the… read more here.
Keywords: prandtl number; low prandtl; geometry; facing step ... See more keywords
Dynamics of a supersonic transitional flow over a backward-facing step
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review Fluids"
DOI: 10.1103/physrevfluids.4.103904
Abstract: The transition mechanism and unsteady behavior behind a backward-facing step in the supersonic regime is investigated using large eddy simulation. Results show that there are three main frequency scales in the unsteady transition process. read more here.
Keywords: supersonic transitional; backward facing; transitional flow; dynamics supersonic ... See more keywords
Numerical Simulation of Supersonic Separated Flow over Inclined Backward-Facing Step Using RANS and LES Methods
Sign Up to like & getrecommendations! Published in 2020 at "Mathematical Models and Computer Simulations"
DOI: 10.1134/s2070048220040043
Abstract: A description of two methods for simulation of the flow around complex test configurations is considered. One method implements a well-known approach to solving the Reynolds-averaged Navier-Stokes equations with a closing differential turbulence model. Another… read more here.
Keywords: backward facing; simulation; separated flow; inclined backward ... See more keywords
LES/FMDF of premixed methane/air flow in a backward-facing step combustor
Sign Up to like & getrecommendations! Published in 2019 at "Environmental Engineering Science"
DOI: 10.22059/ees.2019.35848
Abstract: In the present study, a hybrid Eulerian-Lagrangian methodology is utilized for large eddy simulation (LES) of premixed fuel/air flow over a three-dimensional backward facing step (BFS). The fluid dynamic features are obtained by solving the… read more here.
Keywords: backward facing; facing step; les fmdf; air flow ... See more keywords
Investigation of Unsteady Pressure Fluctuations in Flow over Backward-Facing Step
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DOI: 10.2514/1.j058025
Abstract: Flow over a backward-facing step at Reh=5100, based on the step height, is simulated using the Divergence Free Synthetic Eddy Method of Poletto et al. (“A New Divergence Free Synthetic Eddy Method ... read more here.
Keywords: investigation unsteady; unsteady pressure; step; facing step ... See more keywords
Forced Convection of Pulsating Nanofluid Flow over a Backward Facing Step with Various Particle Shapes
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DOI: 10.3390/en11113068
Abstract: In this study, numerical analysis of forced convective pulsating nanofluid flow over a backward-facing step with different nanoparticle shapes was performed by the finite volume method. The effects of the Strouhal number (between 0.1 and… read more here.
Keywords: flow backward; backward facing; nanofluid flow; pulsating nanofluid ... See more keywords
Study on the Law of Pseudo-Cavitation on Superhydrophobic Surface in Turbulent Flow Field of Backward-Facing Step
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DOI: 10.3390/fluids6060200
Abstract: Superhydrophobic surface is regarded as important topic in the field of thermal fluids today due to its unique features on flow drag reduction and heat transfer enhancement. In this study, the pseudo-cavitation phenomenon on the… read more here.
Keywords: pseudo cavitation; surface; facing step; backward facing ... See more keywords