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90° bend

Numerical Investigation of Turbulent Mass Transfer in a 90° Bend

Numerical Investigation of Turbulent Mass Transfer in a 90° Bend

... a 90° bend using the RNG version of k–  model to include the influence of curvature on the turbulent ...a 90°, 3-D bend for Reynolds numbers of 13500, 90000, and 390000, Schmidt numbers of ...

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Experimental investigation of air–water two phase flow through vertical 90° bend

Experimental investigation of air–water two phase flow through vertical 90° bend

... a 90° bend has been investigated ...the bend have been measured using a conductance probe technique. The bend, manufactured from transparent acrylic resin has a diameter of 34 mm and a ...

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Numerical Simulation of Single Bubble  Deformation in Straight Duct and 90° Bend Using Lattice Boltzmann Method

Numerical Simulation of Single Bubble Deformation in Straight Duct and 90° Bend Using Lattice Boltzmann Method

... µ = . Results of the simulation for the straight duct and 90 ˚ bend are depicted in Figure 26 and Figure 27, respectively. A comparison of the bubble postures reveals that as the viscosity ratio increases, ...

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Applications of Artificial Neural Network (ANN) method for performance prediction of the effect of a vertical 90° bend on an air silicone oil flow

Applications of Artificial Neural Network (ANN) method for performance prediction of the effect of a vertical 90° bend on an air silicone oil flow

... a bend can change the flow patterns of a gas–liquid mixture is important for the design of multiphase flow systems, particularly to prevent burn-out and ...vertical 90 o bend ...

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Coupled RANS-LPT modelling of dilute, particle-laden flow in a duct with a 90° bend

Coupled RANS-LPT modelling of dilute, particle-laden flow in a duct with a 90° bend

... the bend section of the duct for both Reynolds number ...the bend ( =0 o ), with a negative velocity occurring at every other location within the ...the bend towards its outer wall. At the ...

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Influence of a Welded Pipe Whip Restraint on the Critical Crack Size in a 90° Bend

Influence of a Welded Pipe Whip Restraint on the Critical Crack Size in a 90° Bend

... Finite element analyses have been performed to investigate behaviour of postulated cracks in the longitudinal weld of a 90° pipe elbow in the reactor coolant line of a German PWR. At the extrados a pipe whip ...

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Calculation of Complicated Flows, Using First and Second-Order Schemes (RESEARCH NOTE)

Calculation of Complicated Flows, Using First and Second-Order Schemes (RESEARCH NOTE)

... The aforementioned second-order scheme together with the first-order hybrid and the QUICK schemes were used in a computer program. The code uses collocated grids for all dependent variables, and Rhie and Chow’s [11] ...

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The control and maintenance of desired flow patterns in bends of different orientations

The control and maintenance of desired flow patterns in bends of different orientations

... a bend/T-junction combination which was installed in a hydrocarbon processing plant and operated successfully until the plant shut ...a 90 ° bend with inlet and outlet pipes placed ...

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Pulsatile flow analysis in a bend square channel by modal decomposition

Pulsatile flow analysis in a bend square channel by modal decomposition

... Abstract. The article analyzes the results of numerical simulations of pulsatile flow in a square channel with a 90bend using Proper Orthogonal Decomposition (POD). The simulations of laminar steady and ...

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CFD Simulation of Dilute Gas Solid Flow in 90oSquare Bend

CFD Simulation of Dilute Gas Solid Flow in 90oSquare Bend

... of bend outer walls. The gas-solid flow in 90˚ bend has been studied by many ...curved 90˚ duct bend based on a Differential Reynolds Stress Model (DRSM) for calcu- lating turbulent ...

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Experimental Investigation of Two Dimensional Velocity on the 90° Double Bend Pipe Flow Using Ultrasound Technique

Experimental Investigation of Two Dimensional Velocity on the 90° Double Bend Pipe Flow Using Ultrasound Technique

... the bend pipe ...the 90˚ bend pipe ...of bend pipe became a single large-scale motion located almost at the center of the pipe and flow became a dominated swirl ...the 90˚ double ...

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Experimental and Numerical Study of Dilute Gas Solid Flow inside a 90° Horizontal Square Pipe Bend

Experimental and Numerical Study of Dilute Gas Solid Flow inside a 90° Horizontal Square Pipe Bend

... The present paper documents an experimental and numerical study of dilute-gas solid flow in a horizontal 90˚ bend with a uniform cross-section. Under the as- sumptions that the solids at dilute ...

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UNCERTAINTY AND CHAOS IN NAIPAUL’S A BEND IN THE RIVER

UNCERTAINTY AND CHAOS IN NAIPAUL’S A BEND IN THE RIVER

... Naipaul wrote A Bend in the River in year 1979. The novel is said to have some similarity to Conrad‟s A Heart in the Darkness. This novel divulges Naipaul‟s embarking upon new odyssey to the areas of the third ...

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A biomechanical comparison between cortical bone trajectory fixation and pedicle screw fixation

A biomechanical comparison between cortical bone trajectory fixation and pedicle screw fixation

... There has been a concern that the CBT method re- sults in low intervertebral fixation biomechanically be- cause the screws used in this method are shorter than the PSs, but since there were no significant differences in ...

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Bend Stress Relaxation of Pure Tungsten

Bend Stress Relaxation of Pure Tungsten

... of the specimen being tested, as shown in Fig. 2. A speci- men is fully relaxed when the BSR ratio is equal to 0 and non-relaxed when the BSR ratio is equal to 1. For exam- ple, a fully relaxed specimen has the same ...

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Bend sets, N sequences, and mappings

Bend sets, N sequences, and mappings

... The bend intersection property for a dendroid X implies neither (5.1) nor (5.2), see [19, Example 1, page 548], as well as neither part of (5.3), see [7, Example 5.52, page 25]. In connection with (5.3) it is ...

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Complex bend of multilayered concrete rods

Complex bend of multilayered concrete rods

... Rectilinear rods of various cross-section are widely used in di ff erent branches of mechani- cal engineering, aircraft and shipbuilding, in civil and industrial construction projects. During operation, they are a ff ...

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A DSMC investigation of gas flows in micro-channels with bends

A DSMC investigation of gas flows in micro-channels with bends

... unchanged from the Nance et al. implementation. This improved conver- gence speed at the inlet boundaries by reducing the statistical scatter. A variety of benchmark cases for straight micro-channels with aspect ratio 5 ...

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A DSMC investigation of gas flows in micro-channels with bends

A DSMC investigation of gas flows in micro-channels with bends

... single bend at an inlet Knudsen num- ber of ...a bend comes at the outside of the bend on the lower ...the bend at the upper wall, but this is offset by a small increase immediately prior to ...

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Ovarian fluid impacts flagellar beating and biomechanical metrics of sperm between alternative reproductive tactics

Ovarian fluid impacts flagellar beating and biomechanical metrics of sperm between alternative reproductive tactics

... amplitude, bend length, bend angle, wave velocity) and biomechanical sperm metrics (velocity, hydrodynamic power output, propulsive efficiency) of wild spawning Chinook salmon ...higher bend length ...

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