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  • Effect of micro-channel geometry on fluid flow and mixing ...

    2011-4-1 · Geometry 1 is poor for mixing and there was nothing to encourage mixing in the fluids that flow through it. In microchannel Reynolds number ( Re ) is calculated as Re = ( LV avg ρ ) μ , where L is the effective channel length, V avg is the average velocity of fluid in the channel, ρ is the density and μ is the viscosity of the fluid.

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  • Effect of injector geometry on the performance of an ...

    2010-11-1 · 1. Introduction. This paper describes the effect of injector geometry on the performance of an internally mixed injector. The objective of this effort is to develop a fuel injector whose spray properties could be varied in a controlled fashion to accommodate various operating conditions , .For example, it may be desirable to keep the mean droplet size constant while varying the fuel flow rate ...

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  • The influence of molecular geometry on the efficiency of ...

    2012-9-1 · The investigation into the influence of geometry was limited to different sizes of the mixer and the diffuser with a constant geometry of the motive nozzle. Download : Download full-size image; Fig. 2. The ejector assembly. 1 – the nozzle section, 2 – the mixing …

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  • Experimental and numerical investigation of the influence ...

    2021-6-22 · F={V bx r m [K m (T b-T m)+( µ2 V j 2)] 2[C s (T m-T s)+l] } 0.5 . Simplified, this equation is the square root of the heat required for melting divided by the heat supplied by the screw rotation. Notice that there are no screw geometry terms showing in this equation; most of the terms are related to the polymer properties or the barrel temperature.

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  • Understanding the Influence of Screw Geometry on

    2014-11-17 · In studying the influence of the mixing chamber length on the performance of the steam ejector, the primary, the secondary and the back pressure are fixed at 600 kPa, 15 kPa and 40 kPa, respectively. The mixing chamber length is changed without changing the convergence angle and the outlet diameter of the mixing chamber.

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  • Numerical investigation of the influences of mixing ...

    The effect of particle size enlargement and blender geometry down-scaling on the blend uniformity (BU) was evaluated by Discrete Element Method (DEM) to predict the blending performance of a binary granular mixture. Three 10 kg blending experiments differentiated by the physical properties specifica …

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  • Influence of particle size and blender size on blending ...

    2018-10-1 · The shape of the tank plays an important role in the hydrodynamic performance of the agitation. A 3D simulation was done using CFD calculation code (CFX16.0). The study was carried out for large Reynolds number: 104–2.105. Navier–Stokes equations governing the phenomenon are solved by a method of discretization finite volume. The turbulence model used is the k–ε standard type.

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  • Influence of the vessel shape on the performance of a ...

    2007-3-22 · Abstract To investigate the influence of storage relative humidity (RH) on the aerosolisation efficiency and tribo-electrification of carrier based dry powder inhaler (DPI) formulations using the next generation impactor (NGI) in vitro methodology and the electrostatic low pressure impactor (ELPI). Micronised salbutamol (d 0.5 1.48 ± 0.03 μm) was blended with 63–90 μm sieve fractioned α ...

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  • Influence of Humidity on the Electrostatic Charge and ...

    2021-5-6 · 2.4 Influence of Electro-Chemo-Mechanical Degradation of SEs 2.4.1 CV and In Situ Pressure Monitoring. In order to eliminate the influence of LCO(coated) and focus on the properties of the SEs on cell performance, Li 4 Ti 5 O 12 | LGPS | SE/C65 cells were fabricated. Carbon C65 was added to investigate the decomposition of the SEs in contact ...

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  • The Influence of Atomizer Geometry on Effervescent

    2017-3-15 · the influence of geometric parameters on the quality of atomization. Geometric parameters investigated include exit orifice diameter, nozzle length-to-diameter ratio, mixing chamber diameter, mixing length and air injection geometry. Comparisons are made with previous studies performed using earlier versions of the hardware or al-

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  • Article What Affects Dewatering Performance of High ...

    2014-7-3 · Influence of the mixing system. Static mixing systems, which are shown in Fig. 4, were used to examine the influence of mixer geometry and the number of mixing elements on the adhesive properties. The spiral mixer consists of 24 spirals twisted by 180 ° and joined rotated by 90 °, respectively.

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  • Geometry dependence of excitonic couplings and the ...

    2008-6-17 · Imperfections in the turbine annulus geometry, caused by the presence of the shroud and associated cavity, have a significant influence on the aerodynamics of the main passage flow path. In this paper, the datum shroud geometry, representative of steam turbine industrial practice, was systematically varied and numerically tested.

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  • Type of the Paper (Article

    2018-4-3 · The influence of nozzle geometry on spray and combustion of diesel continues to be a topic of great research interest. One area of promise, injector nozzles with micro-holes (i.e. down to 30 μm), still need further investigation. Reduction of nozzle orifice diameter and increased fuel injection pres

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  • Numerical Simulation for Comparative Thermo-Hydraulic ...

    2020-11-10 · Effects of fuel injection angle on mixing performance of scramjet pylon-cavity flameholder Physics of Fluids 32, 116108 ... “ Experimental investigation of influence factors on flame holding in a supersonic combustor,” Aerosp. Sci. ... “ Effects of pylon geometry on mixing enhancement in a scramjet pylon-cavity flameholder,” Aeronaut. J.

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