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  • Effects of fuel injection angle on mixing performance of ...

    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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  • 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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  • The turbulent mixing layer: geometry of large vortices ...

    The turbulent mixing layer: geometry of large vortices. Department of Aerospace Engineering, University of Southern California, Los Angeles, CA 90089-0192 Permanent address: Department of Mechanical Engineering, Washington State University, Pullman, WA 99164-2920.

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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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  • 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 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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  • 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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  • The Influence of Premixed Combustion Flame Stabilizer ...

    The ultimate objective of this work is the development of nonpremixed rapid mixing combustion systems. Different geometries of baffle flame stabilizers are tested to study the influence of recirculation zone size and number of recirculation zones on flame stability, combustion efficiency and NO x.

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  • Optimisation Analysis of Structural Parameters of an ...

    2020-8-11 · To investigate the effect of structural parameters on the performance of an annular slot ejector, a series of numerical simulations were conducted with single-factor analysis. Moreover, a multifactor grey relational analysis was applied to examine the correlations between the structural parameters and entrainment ratio. Subsequently, the optimised model was verified by comparing the …

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  • Research on the Influence of Guide Blade Trailing Edge ...

    2019-5-14 · The influence of foreign gas injection and slot geometry on film cooling effectiveness. International Journal of Heat & Mass Transfer, 1969, 12(8): 935–951. Article Google Scholar

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  • Effects of fuel injection angle on mixing performance of ...

    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.

    Get Price
  • 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.

    Get Price
  • The turbulent mixing layer: geometry of large vortices ...

    The turbulent mixing layer: geometry of large vortices. Department of Aerospace Engineering, University of Southern California, Los Angeles, CA 90089-0192 Permanent address: Department of Mechanical Engineering, Washington State University, Pullman, WA 99164-2920.

    Get Price
  • 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.

    Get Price
  • 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 ...

    Get Price
  • 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.

    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} }

    Get Price
  • The Influence of Premixed Combustion Flame Stabilizer ...

    The ultimate objective of this work is the development of nonpremixed rapid mixing combustion systems. Different geometries of baffle flame stabilizers are tested to study the influence of recirculation zone size and number of recirculation zones on flame stability, combustion efficiency and NO x.

    Get Price
  • Optimisation Analysis of Structural Parameters of an ...

    2020-8-11 · To investigate the effect of structural parameters on the performance of an annular slot ejector, a series of numerical simulations were conducted with single-factor analysis. Moreover, a multifactor grey relational analysis was applied to examine the correlations between the structural parameters and entrainment ratio. Subsequently, the optimised model was verified by comparing the …

    Get Price
  • Research on the Influence of Guide Blade Trailing Edge ...

    2019-5-14 · The influence of foreign gas injection and slot geometry on film cooling effectiveness. International Journal of Heat & Mass Transfer, 1969, 12(8): 935–951. Article Google Scholar

    Get Price
  • Influence of Nozzle Geometry on Spray Characteristics in ...

    2007-9-16 · Influence of Nozzle Geometry on Spray Characteristics in Non-evaporative and Evaporative Conditions. 2007-24-0023. An experimental study of real multi-hole diesel nozzles with different geometry in terms of conicity factor has been performed under current DI Diesel engines operating conditions. A complete characterization of the internal nozzle ...

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  • The turbulent mixing layer: geometry of large vortices ...

    The turbulent mixing layer: geometry of large vortices. Department of Aerospace Engineering, University of Southern California, Los Angeles, CA 90089-0192 Permanent address: Department of Mechanical Engineering, Washington State University, Pullman, WA 99164-2920.

    Get Price
  • 'Moving Bed Biofilm Reactors: Evaluation of Geometry ...

    Finally, the influence of surface chemistry on biofilm attachment and performance was tested by facilitating biofilm growth on freely floating nylon and high-density polyethylene. Results indicate that organisms grown on more protected, sheltered carrier media respond to changes in mixing more rapidly than those on open and exposed media design.

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  • Effect of Piston Bowl Geometry on Dual Fuel Reactivity ...

    2013-4-8 · A single-cylinder light-duty diesel engine was used to investigate dual fuel reactivity controlled compression ignition (RCCI) operated with two different fuel combinations: gasoline/diesel fuel and methanol/diesel fuel. The engine was operated over a range of conditions, from 1500 to 2300 rpm and 3

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  • 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 freestream values on k-omega turbulence

    2012-5-17 · The Influence of the Length Scale Equation on the Simulation Results of Aerodynamic Flows Using Differential Reynolds Stress Models Effects of embedded streamwise vorticity on turbulent mixing Chemical Engineering and Processing: Process Intensification, Vol. 48, No. 10

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  • Influence of Injection Strategies on Engine Efficiency for ...

    2019-9-9 · Partially premixed combustion (PPC) is one of several advanced combustion concepts for the conventional diesel engine. PPC uses a separation between end of fuel injection and start of combustion, also called ignition dwell, to increase the mixing of fuel and oxidizer. This has been shown to be benef

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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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  • Mixing‐assisted hydrothermal synthesis of nanostructured ...

    2016-5-2 · Mixing‐assisted hydrothermal synthesis of nanostructured ZnAPSO‐34 used in conversion of methanol to light olefins: effect of agitation RPM on catalytic properties and performance Mohsen Yazdani Chemical Engineering Faculty, Sahand University of Technology, Sahand New Town, Tabriz, Iran

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  • Advanced injection and mixing techniques for scramjet ...

    2012-5-23 · John T. Solomon. 5 January 2020. Injection and mixing of single fuel jet in SCRAMJET engine. Effect of location of a transverse sonic jet on shock augmented mixing in a SCRAMJET engine. Aerospace Science and Technology, Vol. 96. Numerical investigation of wavy wall strut fuel injector for hydrogen fueled scramjet combustor.

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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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  • 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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  • 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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  • 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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  • Take Mixing to the Max - Chemical Processing

    2003-7-15 · For the same geometry and process conditions, an increase in the rotational speed to 250 rpm would increase the mixing intensity to 8.8 and require about 10 hp. A decrease in the speed to 37 rpm reduces the mixing intensity to 1.2, but requires less than 0.05 hp at the impeller.

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  • Mixing Enhancement in Simple Geometry Microchannels ...

    2008-5-12 · While mixing is good in all six cases, we demonstrate that the best results occur when both inlets are pulsed 90 degrees out of phase in the “T” geometry. In all six cases, the interface is shown to stretch, retain two folds, and sweep through the confluence zone, leading to good mixing within 2 mm downstream of the confluence, i.e. about 1 ...

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  • On the front velocity of gravity currents

    Following their sudden release, the gravity currents are observed to go through an acceleration phase in which the maximum front velocity is reached. As the interface of the current rolls up, the front velocity slightly decreases from the maximum and levels off to a nearly constant value.

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  • (PDF) A CFD Study on the Prediction of Cyclone Collection ...

    2005-5-25 · David Leith. This paper describes the results of tests conducted on a Stairmand high-efficiency cyclone. The cyclone was pilot-plant scale with a design air flow of 0.139 m/s (300 cfm). Collection ...

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  • Frontiers

    2020-12-8 · FIGURE 1.(A) Unit cell of the periodic golden meta-surface on a fused silica substrate with a 2 nm titanium adhesion layer.(B) Pulse shaping schematic using a nano-plasmonic filter, which is a periodic golden meta-surface, Δt i is the half-power pulse width of the input pulse, Δt o is the half-power pulse width of the output pulse. (C) Input/output comparison for different pulse width at the ...

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