Flow past a backward-facing step
Effects of base flow modifications on noise amplifications : flow past a backward-facing step.
... in flow past a backward-facing step has been well studied, this work focuses on the receptivity to inflow ...base flow stretches the perturbation and the structure becomes ...
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Simulation of high Reynolds number flow over a backward facing step using SPH
... dependent flow past a backward facing ...mean flow statistics and streamlines were computed, and compared with experimental results and a numerical solution at steady state using a ...
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Vortex flow over the flat plate and backward facing step
... fluid flow over these straightforwardgeometries can facilitate in understanding varied ideas of fluid ...dynamics. Flow over a flat plate provides massivesupply of data regarding the physical phenomenon ...
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Comparative Study of LES and RANS Simulation of a Flow across a Backward Facing Step
... (Computational Fluid Dynamics) is one such viable tool to discover the physics behind turbulence. CFD is having a wide area of application. It can be used to model simple flows like two-dimensional jets, wakes, pipe ...
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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 ...
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Numerical Study of Heat Transfer and Laminar Flow over a Backward Facing Step with and without Obstacle
... fluid flow between parallel plates through baffles was numerically studied by Kelkar and Patankar ...described flow by strong deformations and large recirculation regions and found increase of Nusselt ...
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NUMERICAL SIMULATION OF FLUID FLOW OVER A FORWARD- BACKWARD FACING STEP USING IMMERSED BOUNDARY METHOD
... Fig. 1 Schematic showing a generic body past which flow is to be simulated. The body occupies the volume Ω b with boundary Γ b . The body has a characteristic length scale L, and a boundary layer of ...
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Ivestigation of Entropy Generation in 3-D Laminar Forced Convection Flow over a Backward Facing Step with Bleeding
... convection flow in channels with abrupt contraction or expansion in flow geometry occurs in many engineering applications where heating or cooling process is ...recirculated flow regions and has ...
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Thermal Nanofluids Flow In Corrugated Facing Step With - A Review
... when backward facing step is introduced as an appropriate geometry to amplify the heat transfer rate due to flow separation and reattachment phenomena that caused by the abrupt ...separated ...
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Optimization Of Synthetic Jet Actuator Location For Aerodynamic Drag Reduction Of Backward-Facing Step
... active flow control technique by using synthetic jet produces by a vibrating membrane through an ...jet flow is a type of jet flow which is usually created by an actuator with one or two vibrating ...
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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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Three dimensional instability in flow over a backward facing step
... core flow, the variety of geometries used in previous studies (expansion ratio, aspect ratio, sidewalls, no sidewalls), different upstream flow conditions, and so ...core flow is the most problematic ...
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Dynamics of flow behind backward-facing step in a narrow channel
... the backward- facing step was 25 mm defining ratio 1 : 4 with the channel ...on step height was approximately 3.5 10 4 . The back-facing step has been located very close to the ...
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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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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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Direct numerical simulation of turbulent flow over a backward facing step
... layer is strongly dependent on the fraction of mass flow that is deflected upstream at the reattachment and supplies the recirculation. They also note the bifurca- tion that occurs in a symmetrically expanded ...
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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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Dynamics of secondary flow behind backward-facing step in a narrow channel
... 3.1. Experimental Techniques The time-resolved PIV method was used for the experiments. The measuring system DANTEC consists of a double-pulse laser with cylindrical optics and CCD camera. The software Dynamics Studio ...
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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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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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