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  • Influence of Geometry and Flow Variations on NO

    2020-8-6 · Influence of Geometry and Flow Variations on NO Formation in the Quick Mixer of a Staged Combustor ... focusing on overall performance of the mixer, the emphasis is now directed to the role of mixing on the formation of NO. As a ... • 8:1 aspect ratio slots oriented at 45 • (Module 2). All modules were 6.51-inch (165 mm) long, with the ...

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  • Influence of duct geometry on the performance of

    2012-7-1 · Highlights Numerical simulation of the effect of duct on the performance of Darrieus turbine. Torque ripple reduces by 4.15 and power conversion factor increases to 0.63 from 0.4. Lowest torque ripple is 0.2 when the turbine centre is 0.4 m upstream of the throat. Power conversion is the maximum when the turbine is at the throat. Duct with straight external shape has a peak power coefficient ...

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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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  • Influence of planform geometry and momentum ratio on ...

    T1 - Influence of planform geometry and momentum ratio on thermal mixing at a stream confluence with a concordant bed. AU - Constantinescu, George. AU - Miyawaki, Shinjiro. AU - Rhoads, Bruce. AU - Sukhodolov, Alexander

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  • Engine structure modifications effect on the flow behavior ...

    2014-9-1 · Influence of engine geometry modification on combustion, emission, and engine performance The pressure and HRR curves of different combustion chamber designs are illustrated in Fig. 8 . According to Fig. 8 a, from D1 to D4 configuration, the pressure curves are shifted to the right while the 2-stage peak pressures are forming more clearly.

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  • Mixing performance of T, Y, and oriented Y-micromixers ...

    2016-8-26 · According to Fig. 7, for three values of the flow rate ratio, R, the difference between Xs for these micromixers is quite obvious and it means that confluence angle has a significant influence on the mixing performance. It can be seen that for oriented Y-mixer that has the largest confluence angle (270°), the lowest Xs was obtained.

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  • The influence of synthesis conditions on the ...

    2021-8-25 · The iron(II) sulphate heptahydrate was used as a source of Fe 2+ ions and oxalic acid dihydrate was utilized as a precipitating agent for the preparation of the iron (II) oxalate particles. The impact of the conditions under which the iron(II) oxalate particles were synthesized was investigated, highlighting the effect of morphology.

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  • Influence of Backbone Curvature on the Organic ...

    2021-7-8 · Influence of Backbone Curvature on the Organic Electrochemical Transistor Performance of Glycolated Donor–Acceptor Conjugated Polymers Bowen Ding , Department of Chemistry and Centre for Processable Electronics, Imperial College London, Molecular Sciences Research Hub (White City Campus), 80 Wood Lane Shepherd's Bush, London, W12 0BZ UK

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  • Thermal properties of some Egyptian kaolin pastes for ...

    2018-8-1 · The effect of particle geometry and kaolinite crystallite size are studied to check their influence on thermal dosage performance. The studied samples exhibit a variable mineralogy. Kaolinite is the main constituent (ranging from 81 to 94%), followed by quartz (up to 14%), lesser amounts of anatase and halite, and traces of hematite, magnetite ...

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  • SYSTEM-ORIENTED MODELING AND SIMULATlON OF

    2009-8-13 · oriented modeling and simulation framework to enable top-down designs of multi-functional biofluidic lab-on-a- chip systems. An analog hardware description language (Verilog-A) is used to integrate parameterized and closed-form models of elements with different functionalities (e.g., mixing, reaction, injection and separation).

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  • Discrete element modelling of screw conveyor-mixers

    2015-3-2 · geometry variations in screw blade were investigated for mixing action during transport, using Discrete Element Method (DEM). The influence of geometry modifications on the performance of screw conveyor was examined, different screw designs were compared, and the effects of geometrical variations on mixing performances during transport were ...

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  • Water-oriented magnetic anisotropy transition

    2021-5-12 · The main changes can be observed in the angles ω, ψ, φ, and φ 1.The angle ω is 159.64° at 190 K and changes to 153.03° and 141.33° at 140 K, and then to 141.35° at 70 K (Supplementary Fig ...

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  • The effect of feed spacer geometry on membrane

    2017-12-28 · spacers also promote mixing by inducing vortices near the membrane surfaces, which can mitigate CP but at the expense of an increased pressure drop [2, 5, 10, 12, 17]. It is therefore important to elucidate the effects of spacers on mass and momentum transfer in an SWM module with the ultimate aim to improve module performance.

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  • Experimental study on the influence of the injection ...

    2021-7-31 · Injection structures can affect the ignition and combustion of fuel and supersonic air in scramjets, strongly impacting their performance. The influence of three different injection structures on ...

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  • Variation of the Pole Length in Pole-Oriented Bonded

    2017-2-15 · Polymer bonded magnets are compounds consisting of a polymer matrix with embedded hard magnetic filler particles. These materials are mainly used in applications in actor or sensor technology. One example is the application as multipolar encoder wheel in magnetic sensors. Depending on the application different requirements have to be fulfilled, such as a high pole length accuracy and ...

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  • Highly Oriented Thermoplastic Poly (vinyl alcohol) Films ...

    2021-3-18 · With the advantages of excellent processability and biodegradability, polyvinyl alcohol (PVA) becomes an environmentally friendly and biocompatible material in many fields currently. To further improve the mechanical properties of thermoplastic PVA films, the orientation was adopted and studied. In this work, the uniaxial stretched PVA films with ethylene glycol as plasticizer were prepared to ...

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  • Influence of internal flow on film cooling effectiveness ...

    2000-4-1 · The film cooling measurements show a strong influence of the coolant inlet conditions on film cooling performance. The present experiments were carried out on a flat plate with a row of cylindrical holes oriented at 30 degrees with respect to a constant-velocity external flow, systematically varying the plenum geometry and blowing rates (0.5 ...

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  • Influence of Internal Flow on Film Cooling Effectiveness ...

    1999-2-1 · The film cooling measurements show a strong influence of the coolant inlet conditions on film cooling performance. The present experiments were carried out on a flat plate with a row of cylindrical holes oriented at 30 deg with respect to a constant-velocity external flow, systematically varying the plenum geometry and blowing rates 0.5 ⩽ M ...

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  • Optimization of the Combustion Chamber of Direct

    2005-1-16 · geometry on engine performance and emissions. The effect of combustion chamber shape on the engine performance is very complex due to its influence on the flow field and the air-spray interaction and the results in literature confirm that it is difficult to define an optimized combustion chamber, because of the influence of engine

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  • additive manufacturing oriented design approach to ...

    Then, the geometry is designed by connecting the FIs so that the necessary flows are conveyed appropriately and/or structural integrity is assured; parametric optimization is considered to allow a further minimization of the required matter. A case study has been done to illustrate and convey the main ideas of the AM-oriented design approach.

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  • Influence of a Mixing-Jet on Film Cooling

    2014-12-24 · 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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  • Interactions of a streamwise-oriented vortex with a finite ...

    Streamwise-oriented vortex/wing interactions in the context of formation flight, which has long been understood to provide significant benefits in aerodynamic performance, have been analysed in a series of papers by Hummel (Reference Hummel 1983, Reference Hummel 1995) and Beukenberg & Hummel (Reference Beukenberg and Hummel 1990) using classic ...

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  • Sensitivity Study on the Influence of Cloud Microphysical ...

    2016-2-1 · The gray-shaded regions represent the mixing zones, where liquid droplets and ice crystals interact via the WBF process. In (a), the entire grid box is the mixing zone. In (b), the mixing zone is reduced to include only the regions outside the outlined pockets. Citation: Journal of the Atmospheric Sciences 73, 2; 10.1175/JAS-D-15-0152.1

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  • Aromatic adsorption on metals via first-principles density ...

    2009-7-15 · In the -oriented case, the molecule lies along and slightly to one side of a surface ridge, with its centre of mass located above a three-fold hollow site and exhibiting a slightly concave internal geometry (i.e. the ends of the molecule bow a little away from the surface); in the 〈0001〉-oriented case, the centre of mass is located above a ...

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  • Background-Oriented Schlieren of Fuel Jet Flapping Under ...

    2018-10-17 · It is shown that the large amplitude flapping of the secondary fuel jet in the mixing section plays a key role in the thermoacoustic feedback. This evidence is brought using high-speed background-oriented Schlieren (BOS). The fuel jet flapping is induced …

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  • (PDF) Characterization of a flat plate photobioreactor for ...

    Academia.edu is a platform for academics to share research papers.

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  • Evaluation-oriented exploration of photo energy

    2020-8-28 · This article reviews an evaluation-oriented exploration of photo energy conversion systems including organic photovoltaics, perovskite solar cells, photocatalysts, and photodetectors. A time ...

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  • Field-oriented test methods to evaluate structural build ...

    2012-4-24 · The performance of the proposed field-oriented test methods (IP, PV, USS, CP, and K-slump tests) to evaluate structural build-up at rest of flowable mortar and SCC mixtures was investigated. All tests are simple and rugged and can easily be employed in the laboratory and in the field.

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  • Optimization of the Combustion Chamber of Direct

    2005-1-16 · geometry on engine performance and emissions. The effect of combustion chamber shape on the engine performance is very complex due to its influence on the flow field and the air-spray interaction and the results in literature confirm that it is difficult to define an optimized combustion chamber, because of the influence of engine

    Get Price
  • Research proposal - University of Groningen

    2019-1-29 · materials for polarization sensitive light detection in field effect transistor geometry. a b Figure 6. Structure of the solar cell with the nanofibers oriented perpendicular to the substrate surface (a) and of the field effect transistors with the nanofibers oriented in plane of the active layer (b).

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  • Effects of the lung surfactant protein B construct Mini-B ...

    A number of SP-B fragments have been synthesized and studied both in animal models and in vitro (Waring et al. 2005; Walther et al. 2002; Revak et al. 1991; Kang et al. 1996; Baatz et al. 1991; Ryan et al. 2005; Serrano et al. 2006).One such fragment, Mini-B, is a concatenation of the N-terminal and C-terminal helices of SP-B, and retains SP-B’s overall charge of +7, its amphipathic helical ...

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  • Temperature and velocity measurements in a fluid layer ...

    2012-10-8 · In theory, if the exposure time is small enough, the flow speed does not have a direct influence on the BOS measurements. However, for reasons like the increase of the mixing and variation of pressure, increase of flow complexity might be expected. Therefore, the precision of the measurements can be considered lower than the steady flow.

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  • Reduction of the tonality of gear noise by application of ...

    2021-5-15 · Due to the promising results of the method for perception-oriented design of micro-geometry scattering on bevel gears, the method is transferred to a vehicle transmission. The vehicle transmission is a beam style rear axle in a light commercial vehicle. During the transfer of the method, the macro geometry from section 4.1 was retained.

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  • Fabrication and characterization of biopolymer fibers for ...

    2019-6-12 · Tissue and organ failure caused by disease or injury has become a major health dilemma in the world, accounting for ~40% of the annual total causes of death in 2015 [].There are four principal therapeutic strategies for treating tissue and organ failure in patients: surgical repair, artificial prostheses, mechanical devices and transplantation (human or xenotransplantation) [].

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  • Quasi-One-Dimensional Model of Scramjet Combustor

    2016-3-29 · Examples of hydrogen cooled scramjets were simulated under Mach 7.7 with strut injectors. Compared to the combustor without regenerative cooling, the differences on ignition delay, mixing efficiency, and engine performance were observed in a regeneratively cooled scramjet.

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  • (PDF) Characterization of a flat plate photobioreactor for ...

    Academia.edu is a platform for academics to share research papers.

    Get Price
  • Basic Python Scripting for Dynamo Geometry BIM

    Current price 13.99. Original Price 54.99. Discount 75% off. 1 day left at this price! Add to cart. Buy now. 30-Day Money-Back Guarantee. This course includes: 1.5 hours on-demand video.

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  • Numerical Analysis Technical Reports

    2021-7-5 · Numerical Analysis Technical Reports Department of Computer Science University of Toronto. This site provides access to the Technical Reports of the Numerical Analysis and Scientific Computing Group of the Department of Computer Science at the University of Toronto.The reports are listed from newest to oldest.

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  • Aromatic adsorption on metals via first-principles density ...

    2009-7-15 · In the -oriented case, the molecule lies along and slightly to one side of a surface ridge, with its centre of mass located above a three-fold hollow site and exhibiting a slightly concave internal geometry (i.e. the ends of the molecule bow a little away from the surface); in the 〈0001〉-oriented case, the centre of mass is located above a ...

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  • FULL PAPER TEMPLATE - ovh.net

    2017-9-8 · 44th SEFI Conference, 12-15 September 2016, Tampere, Finland (Blended Learning)2 Blending content- and learning-oriented objectives in a blended learning environment. C.D. Rans1. Assistant Professor. Delft University of Technology

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  • Fabrication and characterization of biopolymer fibers for ...

    2019-6-12 · Tissue and organ failure caused by disease or injury has become a major health dilemma in the world, accounting for ~40% of the annual total causes of death in 2015 [].There are four principal therapeutic strategies for treating tissue and organ failure in patients: surgical repair, artificial prostheses, mechanical devices and transplantation (human or xenotransplantation) [].

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  • Rediscovering the Small Web - Neustadt.fr

    2020-5-25 · Rediscovering the Small Web. Most websites today are built like commercial products by professionals and marketers, optimised to draw the largest audience, generate engagement and 'convert'. But there is also a smaller, less-visible web designed by regular people to simply to share their interests and hobbies with the world.

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  • Basic Python Scripting for Dynamo Geometry BIM

    Current price 13.99. Original Price 54.99. Discount 75% off. 1 day left at this price! Add to cart. Buy now. 30-Day Money-Back Guarantee. This course includes: 1.5 hours on-demand video.

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  • X-ray Powder Diffraction:exposing the bare bones of solid ...

    2011-4-1 · X-ray Powder Diffraction:exposing the bare bones of solid forms 1. X-ray Powder Diffraction: exposing the bare bones of solid forms Dr. Noel Hamill

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