VietnamThe influence of geometry on the performance of mixing nozzlesRepair

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  • Influence of Nozzle Geometry on the Noise of High-Speed ...

    2012-5-17 · American Institute of Aeronautics and Astronautics 12700 Sunrise Valley Drive, Suite 200 Reston, VA 20191-5807 703.264.7500

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  • Understanding the Influence of Screw Geometry on Melting ...

    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 …

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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 fan ...

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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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  • 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 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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  • 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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  • Influence of the Microstructure in the Acoustical ...

    2016-3-2 · Non-Acoustical Properties Porosity. Porous materials with open cells consist of an elastic or rigid frame which is surrounded by air. The porosity, (Omega ), is the ratio of the air volume, inside the sample, to the total volume, occupied by the porous …

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  • Influence of a Mixing-Jet on Film Cooling

    An experimental analysis of the slot film cooling performance downstream of a mixing jet has been performed. The mixing jet was blown into the main flow at a position five jet diameters downstream of the slot exit. Flow visualizations of the jet and of the cooling film are presented for blowing rates of 1 and 2 with jet momentum rates of 7 and 10.

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  • Time and Length Scales of Mixing: The Macro Scale ...

    2021-8-1 · The Double Planetary Mixer (photo) is suitable for high-precision mixing, granulation and vacuum drying all in a single vessel. Powders… A high-performance mixing and pumping skid system This company recently designed a new skid system (photo) capable of mixing and pumping low to moderately viscous products. The…

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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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  • 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 …

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  • 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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  • Influence of turbulent fluctuations on detonation ...

    Instead, these pockets mix and burn, on their surfaces, along turbulent shear layers. Owing to shock compression associated with the passage of transverse shock waves, these shear layers experience increased burning rates through turbulent mixing of the burned and unburned gases via Richtmyer–Meshkov instability.

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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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  • Frontiers

    2021-8-5 · Congenital heart disease is the most common birth defect and functionally univentricular heart defects represent the most severe end of this spectrum. The Fontan circulation provides an unique solution for single ventricle patients, by connecting both caval veins directly to the pulmonary arteries. As a result, the pulmonary circulation in Fontan palliated patients is characterized by a ...

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  • Veerle BOEL

    Ultra-high performance concrete is an important evolution in concrete technology, enabled by the combination of a good particle packing density, a suitable mixing procedure and compatible binders ...

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