VietnamThe influence of geometry on the performance of mixing nozzlesChina

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  • Understanding the Influence of Screw Geometry on

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

    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. Our main ...

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  • Influence of Backbone Curvature on the Organic ...

    2021-7-6 · OECTs fabricated from PgBT(F)2gT featuring a curved backbone geometry attained a higher volumetric capacitance of 170 F cm −3. However, PgBT(F)2gTT with a linear backbone displayed overall superior OECT performance with a normalised peak …

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  • Computational predictions of the embolus-trapping ...

    The embolus-trapping efficiency of the IVC filter is quantified for each combination of IVC geometry, embolus size, and IVC orientation by performing 2560 individual simulations. The predicted embolus-trapping efficiencies of the IVC filter range from 10 to 100%, and IVC anatomy is found to have a significant influence on the efficiency results ...

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  • 'Effect of electrode geometry on high energy spark ...

    This work shows the influence of the electrode configuration on the fluid dynamics following the spark discharge and how the hot gas evolution gives rise to various physical phenomena (i.e. generation of turbulence, inducing vorticity, and gas mixing) that can be used to modify the flow-field structure near the boundary layer on an aerodynamic ...

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  • Selective aerobic oxidation of para-xylene in sub- and ...

    In this paper we report a strong dependence of the observed performance of the catalyst on the geometry and the configuration of laboratory scale reactors in the continuous aerobic oxidation of p-xylene in supercritical water.Small differences, such as the …

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  • (PDF) Influence of Stroke on Performance Characteristics ...

    The present study experimentally demonstrates the influence of the. dimensionless stoke L on the performance characteristics of a synthetic jet fan under Reynolds number Re =. 1800 and the same ...

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  • Influence of Steel Fibres and Matrix Composition on The ...

    2016-8-3 · Influence of steel fibres and matrix composition on the properties of UHPFRC Kim Huy Hoang, Philipp Hadl, Nguyen Viet Tue 5 4. Results Table 2: The critical volumes of StF1 and StF2 and the equivalent fibre factors for the four UHPC matrices. Fibre …

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  • Influence of Rubber Pre-Processing on the Rheological ...

    2017-1-17 · enhance the asphalt road performance. It is also common to add small quantities of rubber, such as 1%, but also higher ... with geometry of 25 mm and a gap of of 1.0 mm for neat bitumen and 1.2 mm for crumb- ... and SBS has a positive influence on the mixing efficiency and the rheological behavior of polymer-modified bitumen

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

    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 dispersion states on the performance of ...

    2014-9-12 · Influence of dispersion states on the performance of polymer-based nanocomposites. ... Sample geometry was such that a parallel plate capacitor configuration is used; the electrodes were evaporated silver, 1 cm in diameter and 100 nm in thickness. ... The result of this study specifically revealed that nanoscale dispersion could influence ...

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  • Investigations on The Influence of Ignition Voltage ...

    2008-6-23 · Investigations on The Influence of Ignition Voltage, Higher Compression Ratio and Piston Crown Geometry on the Performance of Compressed Natural Gas Engines 2008-01-1762 The increasing demand of passenger fleet with the depletion of conventional fuels has resulted into a massive research for harnessing the potentials in alternate fuels.

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  • Numerical and Experimental Study of Geometry Effects on ...

    2020-10-13 · Swirling flow is widely used in gas turbine burners to promote fuel/air mixing uniformity and to stabilize lean premixed flames. In this study, numerical and experimental methods are utilized to investigate the effects of burner geometry on fuel/air mixing and combustion performance and to optimize the burner geometry.

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  • Effect of Rotation and Revolution on Performance of Blade ...

    In this study, flow structures and mixing performance in a blade-free planetary mixer, which combines rotation and revolution motions inside a cylindrical vessel, are numerically investigated. Flow fields in the mixer vessel are simulated in a single rotating reference frame with various revolution speeds and a fixed rotation speed. The mixing process is investigated by a Lagrangian particle ...

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  • The Influence of Inlet Geometry and Back Pressure on ...

    'The Influence of Inlet Geometry and Back Pressure on Cavitation and Noise Reduction in High Pressure Nozzles.' Proceedings of the ASME/JSME 2004 Pressure Vessels and Piping Conference . Emerging Technology in Fluids, Structures, and Fluid Structure Interactions: Volume 1, Fluid Dynamics and Fluid Structure Interactions .

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  • Effects of Steel Fibers Geometry on the Mechanical ...

    Effects of Steel Fibers Geometry on the Mechanical Properties of SIFCON Concrete This research aims to shed light on the effect of steel fiber shape, length, diameter, and aspect ratio on the mechanical properties of slurry infiltration fiber reinforced concrete (SIFCON).

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  • The effects of slit-pore geometry on capacitive properties ...

    2020-4-16 · Ionic-liquids (IL) inside conductive porous media can be used to make electrical energy storage units. Many parameters such as the shape of the pores and the type of IL affect the storage performance.

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  • The Performance of Air-Air Ejectors With Triangular

    2008-9-19 · The performance parameters of most interest are pumping, mixing, and back-pressure. Geometric parameters studied include standoff distance, mixing-tube diameter, and tab angle. Experimental testing showed significant performance improvements in mixing and pumping with a decrease in tab angle. Maximum mixing was found to occur with tab angles ...

    Get Price
  • (PDF) Influence of Stroke on Performance Characteristics ...

    The present study experimentally demonstrates the influence of the. dimensionless stoke L on the performance characteristics of a synthetic jet fan under Reynolds number Re =. 1800 and the same ...

    Get Price
  • Figure 4 from Improving the process performance of gold ...

    Corpus ID: 174779229. Improving the process performance of gold cyanide leaching reactors @inproceedings{LatvaKokko2015ImprovingTP, title={Improving the process performance of gold cyanide leaching reactors}, author={M. Latva-Kokko and T. Hirsi and T. Ritasalo and J. Tiihonen}, year={2015} }

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  • Influence of dispersion states on the performance of ...

    2014-9-12 · Influence of dispersion states on the performance of polymer-based nanocomposites. ... Sample geometry was such that a parallel plate capacitor configuration is used; the electrodes were evaporated silver, 1 cm in diameter and 100 nm in thickness. ... The result of this study specifically revealed that nanoscale dispersion could influence ...

    Get Price
  • The Effect of Bilayer Graphene Nanoribbon Geometry on ...

    2013-12-17 · The purpose of this study is to highlight the influence of BGN geometry and temperature characteristics on the performance of the schottky-barrier diode. As can be seen in Figure 6, the rectification current-voltage characteristic of the proposed diode at different values of the width is illustrated. Apparently, there is a significant rise in ...

    Get Price
  • Selective aerobic oxidation of para-xylene in sub- and ...

    In this paper we report a strong dependence of the observed performance of the catalyst on the geometry and the configuration of laboratory scale reactors in the continuous aerobic oxidation of p-xylene in supercritical water.Small differences, such as the …

    Get Price
  • The Influence of Inlet Port Design on the In-Cylinder ...

    A detailed investigation of the influence of intake port design on the in-cylinder flow structure during the intake and compression strokes, the mixing of the residual gas and a non-premixed intake charge, and the extent and pattern of charge inhomogenity near the time of combustion is described. Th

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

    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 ...

    Get Price
  • The Performance of Air-Air Ejectors With Triangular

    2008-9-19 · The performance parameters of most interest are pumping, mixing, and back-pressure. Geometric parameters studied include standoff distance, mixing-tube diameter, and tab angle. Experimental testing showed significant performance improvements in mixing and pumping with a decrease in tab angle. Maximum mixing was found to occur with tab angles ...

    Get Price
  • Effects of freestream turbulence on the performance ...

    2012-5-17 · Influence of inflow turbulence intensity on the performance of bare and diffuser-augmented micro wind turbine model Renewable Energy, Vol. 87 Performance of a vertical axis wind turbine in grid generated turbulence

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  • Influence of Spacer Grid Outer Strap on Fuel Assembly ...

    The outer strap as a typical structure of a spacer grid enhances the mechanical strength, decreases hang-up susceptibility, and also influences thermal hydraulic performance, for example, pressure loss, mixing performance, and flow distribution. In the present study, a typical grid spacer with different outer strap designs is adopted to investigate the influence of outer strap design on fuel ...

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  • Influence of cellulose nanocrystals on the rheological ...

    2019-12-2 · Influence of cellulose nanocrystals on the rheological behaviour of Portland cement and pure limestone suspensions Fábio A. Cardoso1,2,*, Pedro C.R.A. Abrão1,2, Beatriz R. da Silva1,2, Germano A. Siqueira3, and Vanderley M. John1,2 1National Institute …

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  • Interface study of the fluids in passive micromixers by ...

    2020-10-27 · In the present study, six different geometries, all of which share the same mixer part, which is a microchannel with the dimension of (100 imes 175 imes 2000) μm were simulated to investigate the role of the entrance geometry of micromixers in creating vortices and their effects on the quality of mixing. As specified in Fig. 1, the entrances in all simulated geometries are non-aligned so ...

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  • Influence of dispersion states on the performance of ...

    2014-9-12 · Influence of dispersion states on the performance of polymer-based nanocomposites. ... Sample geometry was such that a parallel plate capacitor configuration is used; the electrodes were evaporated silver, 1 cm in diameter and 100 nm in thickness. ... The result of this study specifically revealed that nanoscale dispersion could influence ...

    Get Price
  • Study of the Different Factors That Influence Jet Pump ...

    2013-12-24 · A simple geometry jet pump was designed, developed and tested. The experiments show that we should ... mixing chamber length of 7.25 Dmix had proven superi- ority over the other two mixing chambers length of 6.75 and 7.86 Dmix. Mixing throat length ranging from 3.5 to ... Study of the Different Factors That Influence Jet Pump Performance Author:

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  • The Influence of Electrode and Channel Configurations on ...

    2014-6-20 · The PFF cell is an exception that shows much lower performance. A single polarization curve at 120 mL/min is shown at the bottom of Figure 6. The poor performance of the PFF cell can be attributed to low rates of vanadium transfer to the fibers in the electrode in the absence of forced convection.

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  • Effects of Steel Fibers Geometry on the Mechanical ...

    Effects of Steel Fibers Geometry on the Mechanical Properties of SIFCON Concrete This research aims to shed light on the effect of steel fiber shape, length, diameter, and aspect ratio on the mechanical properties of slurry infiltration fiber reinforced concrete (SIFCON).

    Get Price
  • The Influence of Inlet Port Design on the In-Cylinder ...

    A detailed investigation of the influence of intake port design on the in-cylinder flow structure during the intake and compression strokes, the mixing of the residual gas and a non-premixed intake charge, and the extent and pattern of charge inhomogenity near the time of combustion is described. Th

    Get Price
  • Selective aerobic oxidation of para-xylene in sub- and ...

    In this paper we report a strong dependence of the observed performance of the catalyst on the geometry and the configuration of laboratory scale reactors in the continuous aerobic oxidation of p-xylene in supercritical water.Small differences, such as the …

    Get Price
  • The Performance of Air-Air Ejectors With Triangular

    2008-9-19 · The performance parameters of most interest are pumping, mixing, and back-pressure. Geometric parameters studied include standoff distance, mixing-tube diameter, and tab angle. Experimental testing showed significant performance improvements in mixing and pumping with a decrease in tab angle. Maximum mixing was found to occur with tab angles ...

    Get Price
  • The Effect of Bilayer Graphene Nanoribbon Geometry on ...

    2013-12-17 · The purpose of this study is to highlight the influence of BGN geometry and temperature characteristics on the performance of the schottky-barrier diode. As can be seen in Figure 6, the rectification current-voltage characteristic of the proposed diode at different values of the width is illustrated. Apparently, there is a significant rise in ...

    Get Price
  • Influence of Laser Power and Scanning Speed on the ...

    One of the well-known methods for increasing wear resistance, especially for friction pairs, is surfacing wear-resistant materials on the working surfaces of mating parts [1, 2, 3]. Less expensive grades of steel can be used as the main material in the manufacture of parts, and the surfacing materials in this case must have increased characteristics: mechanical, corrosion and radiation ...

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  • Effect of Nanotube Geometry on the Strength and

    Abstract. This study investigated the effect of multiwalled carbon nanotubes’ geometry on the dispersion and strength of cement composites. Mixes with CNTs contents ranging from 0.03 to 0.25% were prepared and tested using CNTs’ diameters of 10–20, 20–30, and 30–50 nm and lengths of 0.5–2 and 10–30 μm.The samples’ microstructures were then examined using a scanning electron ...

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  • Analyzing mixing systems using a new generation of ...

    2018-4-23 · The ongoing evolution of tracer mixing models has resulted in a confusing array of software tools that differ in terms of data inputs, model assumptions, and associated analytic products. Here we introduce MixSIAR, an inclusive, rich, and flexible Bayesian tracer (e.g., stable isotope) mixing …

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  • Concrete Mixing Methods and Concrete Mixers: State of

    2001-4-1 · 2.1.2 Pan Mixers . All pan mixers work on basically the same principle []: a cylindrical pan (fixed or rotating) contains the concrete to be mixed, while one or two sets of blades rotate inside the pan to mix the materials and a blade scrapes the wall of the pan.The shapes of the blades and the axes of rotation vary. Figure 4 shows the different combinations of blade configurations and pan.

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  • A mathematical model reveals the influence of population ...

    2020-8-14 · In response to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), some politicians have been keen to exploit the idea of achieving herd immunity. Countering this possibility are estimates derived from work on historical vaccination studies, which suggest that herd immunity may only be achieved at an unacceptable cost of lives. Because human populations are far from homogeneous ...

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  • AOYI OCHIENG CFD SIMULATION OF THE

    2017-2-3 · nes, which affect mixing efficiency in a stirred tank. The mixing efficiency can be determined from homo-genization energy, which is the product of the mixing time and the corresponding power dissipated [10]. A remarkable effort has been expended in simulating mixing time and power in flat-bottom tanks stirred using the Rushton turbine [11–14].

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