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backward-facing step

Numerical Simulation over a backward facing step with OpenFOAM

Numerical Simulation over a backward facing step with OpenFOAM

... To get some results for the backward facing step, the decision was made to change to a coarser grid. Two different types of simulations were performed on the coarse grid. The first one is the IDDES ...

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Numerical Computation of Flow Reattachment Lengthovera Backward Facing Step at High Reynolds Number

Numerical Computation of Flow Reattachment Lengthovera Backward Facing Step at High Reynolds Number

... back-ward facing step was simulated for investigation of the reattachment length by the experimental data of Eaton and Johnston ...a backward-facing step is carried out for different ...

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Three Dimensional Laminar Convection Flow of Radiating Gas over a Backward Facing Step in a Duct

Three Dimensional Laminar Convection Flow of Radiating Gas over a Backward Facing Step in a Duct

... In this study, three-dimensional simulations are presented for laminar forced convection flow of a radiating gas over a backward-facing step in rectangular duct. The fluid is treated as a gray, ...

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Modelling of subcritical free-surface flow over an inclined backward-facing step in a water channel

Modelling of subcritical free-surface flow over an inclined backward-facing step in a water channel

... inclined backward-facing step. The step with the inclination angle D = 20 o was placed in the water channel of the cross-section 200x200 ...

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Effects of Baffle on Entropy Generation in Separated Convection Flow Adjacent to Inclined Backward Facing Step

Effects of Baffle on Entropy Generation in Separated Convection Flow Adjacent to Inclined Backward Facing Step

... over backward facing step (BFS) was studied by several investigators both theoretically and experimen- tally to find the physics of such separated ...the backward facing ...

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Research on Effects of Obstacles on Heat Transfer and Fluid Flow in Backward Facing Step Flow

Research on Effects of Obstacles on Heat Transfer and Fluid Flow in Backward Facing Step Flow

... with backward facing step for augmenting the heat transfer for the different laminar and turbulent ...the step in the laminar flow has not been explored so ...

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Influence of the turbulence representation at the inlet on the downstream flow pattern in LES of backward-facing step

Influence of the turbulence representation at the inlet on the downstream flow pattern in LES of backward-facing step

... Case C: For the generation of the velocity on the inlet to the domain was used direct mapping approach [2]. The velocity on the inlet is obtained by direct mapping of the velocity from the plane with 3 h (60 mm) offset ...

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The role of velocity, pressure, and bed stress fluctuations in bed load transport over bed forms: numerical simulation downstream of a backward-facing step

The role of velocity, pressure, and bed stress fluctuations in bed load transport over bed forms: numerical simulation downstream of a backward-facing step

... m backward-facing step and 1.2 m (30 step heights) downstream of the step, and ...(2.5) step heights across ...the step, and downstream of the step the vertical ...

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Thermal rarefied gas flow investigations through micro/nano backward-facing step : Comparison of DSMC and CFD subject to hybrid slip and jump boundary conditions

Thermal rarefied gas flow investigations through micro/nano backward-facing step : Comparison of DSMC and CFD subject to hybrid slip and jump boundary conditions

... The governing equations, in particular NSF equations, solved by the CFD method are based on the assumptions that the fluid consists of a continuum environment where the perfect gas law applies, and the only forces are ...

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To Study Subsonic Flow over a Backward Facing Step 
Ms Srilaxmi, Kukatla Shravan Kumar Yadav & Dr M Satyanarayana Gupta

To Study Subsonic Flow over a Backward Facing Step Ms Srilaxmi, Kukatla Shravan Kumar Yadav & Dr M Satyanarayana Gupta

... The backward facing step is one of most considered models for the study of separated flows. Separated flows often occur at locations of sudden change in the surface geometry. These flows are common ...

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Ivestigation of Entropy Generation in 3-D Laminar Forced Convection Flow over a Backward Facing Step with Bleeding

Ivestigation of Entropy Generation in 3-D Laminar Forced Convection Flow over a Backward Facing Step with Bleeding

... A numerical investigation of entropy generation in laminar forced convection of gas flow over a backward facing step in a horizontal duct under bleeding condition is presented. For calculation of ...

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NUMERICAL SIMULATION OF FLUID FLOW OVER A FORWARD- BACKWARD FACING STEP USING IMMERSED BOUNDARY METHOD

NUMERICAL SIMULATION OF FLUID FLOW OVER A FORWARD- BACKWARD FACING STEP USING IMMERSED BOUNDARY METHOD

... Numerical simulations are becoming a most important drive for the design and analysis of complex systems. The advancement of computing urges engineers to include high fidelity computational fluid dynamics (CFD) in the ...

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MHD effect on Nanofluid Flow and Heat transfer in Backward-Facing Step using two-phase Model

MHD effect on Nanofluid Flow and Heat transfer in Backward-Facing Step using two-phase Model

... The current work has been motivated by the lack of data from two-phase models in the literature. Buongiorno’s two- fluid model is used in the calculation of heat transfer and particle distribution on a ...

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Optimization Of Synthetic Jet Actuator Location For Aerodynamic Drag Reduction Of Backward-Facing Step

Optimization Of Synthetic Jet Actuator Location For Aerodynamic Drag Reduction Of Backward-Facing Step

... I declare that this thesis entitled “Optimization of Synthetic Jet Actuator Location for Aerodynamic Drag Reduction of Backward-facing Step” is the result of my own research except as cited in the ...

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Direct numerical simulation of turbulent flow over a backward facing step

Direct numerical simulation of turbulent flow over a backward facing step

... in backward-facing step configuration lacks the structure of wall bounded turbu- lence, but the present results indicate that the backscatter events occur near the areas of high ...

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Dynamics of flow behind backward-facing step in a narrow channel

Dynamics of flow behind backward-facing step in a narrow channel

... Abstract. The results and their analysis from experiments obtained by TR-PIV are presented on the model of backward-facing step in a narrow channel. The recirculation zone is studied in details. Mean ...

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Three dimensional instability in flow over a backward facing step

Three dimensional instability in flow over a backward facing step

... the backward-facing step flow does not become unstable two-dimensionally even at Reynolds numbers of twice the critical value for the onset of the three-dimensional ...

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Vortex flow over the flat plate and backward facing step

Vortex flow over the flat plate and backward facing step

... this step flow rate to be set within the channel per the need, the speed of flow iscalculated by victimization the floating particle technique that was delineated higher ...this step amendment the model and ...

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Dynamics of secondary flow behind backward-facing step in a narrow channel

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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Comparative Study of LES and RANS Simulation of a Flow across a Backward Facing Step

Comparative Study of LES and RANS Simulation of a Flow across a Backward Facing Step

... Figure 14: Experimental observations (a) Recirculation zone (b) velocity profiles at various x-locations According to the author only few velocity measurements exists for the internal flow downstream of a backward ...

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