Backward-facing step flow
An experimental investigation of backward facing step flow
... Bu makale, birinci yazar tarafından İTÜ Fen Bilimleri Enstitüsü, Uçak Mühendisliği Programı’nda tamamlanmış olan "An experimental investigation of backward facing step flow" adlı doktora ...
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Numerical Investigation of Backward Facing Step Flow over Various Step Angles
... various step angles (10 o , 15 o , 20 o , 25 o , 30 o , 45 o , and 90 o ), different expansion ratios ...the flow structures, separation flows and reattachment lengths between the numerical results and the ...
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Research on Effects of Obstacles on Heat Transfer and Fluid Flow in Backward Facing Step Flow
... laminar flow. Two- dimensional flow domain with non-staggered grid arrangement was taken and the two-dimensional mass, momentum and energy equation was solved using finite volume method in ANSYS ...
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Modelling of Rotating Turbulent Flows: Computer simulation of turbulent backward-facing step flow with system rotation
... the step. Upstream of the step, the streamlines are parallel, indicating a fully developed mean velocity ...the step edge and a separation bubble is predicted in all ...
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Three dimensional instability in flow over a backward facing step
... of flow over a backward-facing step available in the literature, some of the most basic questions for this flow remain open: in the ideal problem with no sidewalls, at what Reynolds ...
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Dynamics of flow behind backward-facing step in a narrow channel
... 1 Introduction The backward-facing step flow has been established a benchmark configuration for separated flow studies in fluid mechanics. The problem is considered as 2D or quasi 2D ...
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Direct numerical simulation of turbulent flow over a backward facing step
... turbulent flow over a backward-facing step was performed for the highest-to- date Reynolds number Re h = ...3D backward-facing step flow in a ...the flow was ...
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Dynamics of secondary flow behind backward-facing step in a narrow channel
... back-facing step configuration of a channel occurs in many engineering applications ranging from various fluidic elements, cooling of turbine blades, air- conditioning pipelines to many other ...The ...
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Simulation of high Reynolds number flow over a backward facing step using SPH
... distinct flow characteristics: the forma- tion and detachment of secondary and tertiary recirculation zones behind the reattachment, and the outside presence of recirculation regions on the upper ...number ...
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Comparison of Turbulence Models on 2D Backward Facing Step
... two-dimensional backward-facing-step flow for educational purpose, ...two-dimensional backward-facing-step flow for educational purpose, ...
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MANIPULATION OF FLOW OVER BACKWARD STEP
... 1.1: Backward-Facing Step Flow Features For this backward-facing step flow has received a lot of attention over the past decades, and it has also served as a test ...
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Vortex flow over the flat plate and backward facing step
... uniformly flow are moving intothe take a look at section attributable to the impact of wedge and ...of flow i.e., either the flow was moving into the line from getting down to the tip of the channel, ...
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Convective instability and transient growth in flow over a backward facing step
... rectangular backward-facing-step geometry with expansion ratio two are ...the step height and peak inflow speed are considered in the range 0–500, which is below the value for the onset of ...
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Experimental investigation of turbulent flow in a channel with the backward-facing inclined step
... The sketch of the test section is given in Fig.1. )LJXUH6NHWFKRIWKHJHRPHWULFDODUUDQJHPHQW The flow field in the channel was measured with the Particle Image Velocimetry (PIV) system of Dantec Dynamics. The ...
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Large eddy simulation of turbulent flow downstream of a backward-facing step
... turbulent flow in the separated and reattached flow regions downstream of a backward-facing ...the step height and the upstream centreline velocity) with a channel expansion ratio of ...
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Effects of base flow modifications on noise amplifications : flow past a backward-facing step.
... Base flow modifications are further conducted to reveal the mechanism of noise am- plifications and explore the control of ...base flow is modified by a body ...base flow, but the body force is more ...
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Comparative Study of LES and RANS Simulation of a Flow across a Backward Facing Step
... When Reynolds-averaged equations are used, the collective behaviour of all eddies must be described by a single turbulence model. However, the dependence of the largest eddies complicates the search for widely applicable ...
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Active flow control over a backward-facing step using plasma actuation
... for flow separation control has ...active flow control purposes due to their small size and ...a backward-facing step to assess its effects on the separated turbulent shear layer and ...
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Heat transfer and fluid flow over microscale backward and forward facing step: A review
... 4. Flow regime ...macroscale backward-facing and forward-facing steps on turbulent natural convection along a vertical heated flat plate was experimentally ...of backward-facing ...
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Numerical Computation of Flow Reattachment Lengthovera Backward Facing Step at High Reynolds Number
... unsteady flow over a step was simulated in a 2- D by using Computational Fluid ...secondary flow was added to the 1 3 height of ...over backward facing stepwere ...recirculation ...
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