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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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  • Experimental and numerical analysis of the influence of ...

    2018-1-15 · The influence of the inlet shape of the solar air collector on the solar chimney performance was investigated experimentally and numerically in the present paper. Four different inlet configurations have been modeled and ANSYS FLUENT software was used to simulate and visualize the 2-D aero-thermal flow field surrounding the inlet region.

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  • Effect of inlet design on the performance of storage-type ...

    2007-12-1 · In order to determine performance dependency on inlet geometry, discharge experiments were conducted using two especially designed domestic EWHs having the same 50 L volume, but of different dimensions typical to those of commercial units available in the markets of Middle East.A schematic of the test heater is shown in Fig. 1.Heater A has a cylindrical tank of height H = 40 cm with …

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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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  • Meso-scale oriented simulation towards virtual process ...

    2011-10-1 · Meso-scale oriented simulation towards virtual process engineering (VPE)—The EMMS Paradigm ... The polymerization rate is also sensitive to initiator concentration, which requires perfect mixing in the reactor, and hence extensive optimization on the position, type and number of impellers in the reactor are necessary to shorten mixing time ...

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  • Instantaneous 3D flame imaging by background-oriented ...

    2018-10-1 · Background-oriented schlieren tomography reconstructs the refractive index field, n, within a transparent medium from light deflections due to gradients in n.Spatial variation of n, in turn, is caused by variations in temperature and composition.BOS data consists of deflections, inferred from a pair of images: a reference image, captured through a uniform refractive index field, and distorted ...

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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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  • 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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  • Highly oriented carbon fiber–polymer composites via ...

    2014-12-10 · The carbon fibers and ABS resin were compounded with a Brabender Intelli-Torque Plasti-Corder prep-mixer at 220 °C and 60 rpm rotor speed until the torque reading became constant. Mixtures of 10, 20, 30, and 40 wt% CF were prepared. A neat ABS resin was also run through the mixer at the same conditions as the control.

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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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  • The influence of the lateral filament texture on the ...

    2010-2-4 · A series of PpPTA aramid fibres with various degree of lateral orientation ranging from their usual radial-oriented lateral texture to a full random lateral texture were prepared by employing a series of different coagulating media in the fibre spinning process. The resulting variation in lateral texture did not lead to differences in linear tensile properties or crystallite dimensions. Raman ...

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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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  • 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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  • The Effect of Culm Age, Height, Node and Adhesive on the ...

    orientation pattern for improved shear properties of oriented. strand board. J Mater Civil Eng 26(7):3-10. Beck K, Cloutier A, Salenikovich A, Beauregard R (2009) Effect of strand geometry and wood species on strandboard. mechanical properties. Wood Fiber Sci 41(3):267-278.

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  • Effects of modification on jet mixing of sword alternating ...

    2013-11-5 · Pumping performance and flow loss change little with scalloping whereas decrease slightly with scarfing. The results also indicate that the form of streamwise vortices has higher influence on mixing efficiency compared with the intensity of streamwise vortices.

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  • Optimization of the Combustion Chamber of Direct

    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
  • 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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  • 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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  • 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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  • Influences of Orography and Coastal Geometry on a ...

    2018-7-1 · Influences of Orography and Coastal Geometry on a Transverse-Mode Sea-Effect Snowstorm over Hokkaido Island, Japan. Leah S. Campbell 1 , W. James Steenburgh 1 , ... Over larger bodies of water such as the Sea of Japan, or when the prevailing boundary layer flow is oriented across the short axis of an elongated body of water, ...

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  • Numerical study for the influences of primary steam nozzle ...

    Abstract The geometry and operation parameters have important influences on the performance of steam ejectors. An axisymmetric two-dimensional mathematical model for transonic compressible flow inside a steam ejector has been established in this paper to investigate the flow characteristics inside steam ejectors aiming at optimizing primary steam nozzle exit section distance and mixing chamber ...

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  • The Effect of Culm Age, Height, Node and Adhesive on the ...

    orientation pattern for improved shear properties of oriented. strand board. J Mater Civil Eng 26(7):3-10. Beck K, Cloutier A, Salenikovich A, Beauregard R (2009) Effect of strand geometry and wood species on strandboard. mechanical properties. Wood Fiber Sci 41(3):267-278.

    Get Price
  • Modifications of Surgical Suction Tip Geometry for Flow ...

    Introduction . Suction devices for clearing the surgical field are among the most commonly used tools of every surgeon because a better view of the surgical field is essential. Forced suction may produce disturbingly loud noise, which acts as a nonnegligible stressor. Especially, in emergency situations with heavy bleeding, this loud noise has been described as an impeding factor in the ...

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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

    Get Price
  • 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
  • DIAGONAL TENSILE STRENGTH OF AN ORIENTED

    performance can be affected by the curing process and the solid properties of adhesives and how they respond to stress and tensile influences (Marra 1992). It was stated that while sticking wooden material together with adhesives, adhesion depends on many factors such as wettability qualities of the surface, penetration, reaction, polymerization,

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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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  • Microwave and submillimeter wave scattering of oriented ...

    Microwave (1– 300 GHz) dual-polarization measurements above 100 GHz are so far sparse, but they consistently show polarized scattering signals of ice clouds. Existing scattering databases of realistically shaped ice crystals for microwaves and submillimeter waves (>300 GHz) typically assume total random orientation, which cannot explain the polarized signals.

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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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  • 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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  • Modifications of Surgical Suction Tip Geometry for Flow ...

    Introduction . Suction devices for clearing the surgical field are among the most commonly used tools of every surgeon because a better view of the surgical field is essential. Forced suction may produce disturbingly loud noise, which acts as a nonnegligible stressor. Especially, in emergency situations with heavy bleeding, this loud noise has been described as an impeding factor in the ...

    Get Price
  • 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 ...

    Get Price
  • On the application of background oriented schlieren for ...

    2013-11-26 · A Shack–Hartmann wavefront sensor (SHWS) is the most commonly used wavefront sensor, although there are others such as the Malley probe [] and sensors based on interferometry [].A SHWS uses an array of lenslets, shown in figure 1(a), to spatially discretize the wavefront into a series of local deflections.A schematic of a distorted wavefront (solid sinusoidal line in front of the SHWS ...

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  • Oriented chiral water wires in artificial transmembrane ...

    Aquaporins (AQPs) feature highly selective water transport through cell membranes, where the dipolar orientation of structured water wires spanning the AQP pore is of considerable importance for the selective translocation of water over ions. We recently …

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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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  • Microwave and submillimeter wave scattering of oriented ...

    Microwave (1– 300 GHz) dual-polarization measurements above 100 GHz are so far sparse, but they consistently show polarized scattering signals of ice clouds. Existing scattering databases of realistically shaped ice crystals for microwaves and submillimeter waves (>300 GHz) typically assume total random orientation, which cannot explain the polarized signals.

    Get Price
  • TCAD oriented simulation of single-electron transistors

    2007-9-14 · TCAD oriented simulation of single-electron transistors at device level A. Scholze, A. Schenk, and W. Fichtner Integrated Systems Laboratory, ETH-Ziirich ETH Zentrum, CH-8092 Zurich, Switzerland Abstract In this paper we present a simulation approach for electron transport in single-

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  • GIS-NaP1 zeolite microspheres as potential water ...

    2016-3-11 · GIS-NaP1 zeolite samples were synthesized using seven different Si/Al ratios (5–11) of the hydrothermal reaction mixtures having chemical composition Al2O3:xSiO2:14Na2O:840H2O to study …

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  • Enhancing formation rate of highly-oriented silicon ...

    2017-6-9 · The influence of the surface migration of gold on the growth of silicon nanowires. Nature 440 , 69–71 (2006). ADS CAS Article PubMed Google Scholar

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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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  • 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

    Get Price
  • Papers With Practical Content - Association for Computing ...

    Papers With Practical Content. The content of many papers submitted to ACM Journals is highly relevant to developers and engineers interested in keeping up with the latest trends, technologies, problems, and solutions in their field. The papers below are applicable to practitioners and are open and available to the computing community.

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  • Optimization of the Combustion Chamber of Direct

    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
  • 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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  • 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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  • Order Parameters and Areas in Fluid-Phase Oriented Lipid ...

    2008-7-15 · Collection of WAXS data on oriented samples . Data such as those shown in Fig. 1 were obtained with the experimental geometry shown in Fig. 2.The oriented bilayers are supported by a solid silicon substrate tilted by an angle α relative to the incident x-ray beam. For x-rays (wavelength λ) undergoing elastic scattering through a total angle of 2θ, the magnitude of the scattering wave vector ...

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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 ...

    Get Price
  • DIAGONAL TENSILE STRENGTH OF AN ORIENTED

    performance can be affected by the curing process and the solid properties of adhesives and how they respond to stress and tensile influences (Marra 1992). It was stated that while sticking wooden material together with adhesives, adhesion depends on many factors such as wettability qualities of the surface, penetration, reaction, polymerization,

    Get Price
  • Control-Oriented Methods for Turbomachinery Noise ...

    2017-10-17 · A control-oriented model is developed for the stability analysis of the impedance boundary condition by using generalized function at the lining surface. The mean flow effect and sound propagation are considered in the model as well. ... Computation of Fan Noise Radiation Through an Engine Exhaust Geometry With Flow,” ... Influence of Fluid ...

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

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

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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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  • Architectural Design MArch

    2021-8-30 · About. Design is a crucial agency for uncovering complex patterns. This programme belongs to the school's suite of B-Pro programmes and explores the frontiers of advanced architecture and design and their convergence with science and …

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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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  • 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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  • 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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  • 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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  • 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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  • On the colour of wing scales in butterflies: iridescence ...

    2017-6-16 · This green colour is attributed to mixing of blue light from the dominant, but relatively weakly scattering oriented domains and green–yellow light from the less common but significantly more brightly scattering oriented domains. This type of mixing is due to the optical uncertainty in the position of each scattering domain with respect to ...

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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 …

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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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  • Risk Assessment and Mitigation of Airborne Disease ...

    2020-12-23 · For all instruments, the extent of the flow and aerosol influence zones are limited to 30 cm. Further away, the thermal plume generated by the human body is the dominant source of flow. Flow and aerosol concentration vary in response to changes in music amplitude, pitch, and note duration, depending on playing technique and instrument geometry.

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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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  • 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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  • Discrete element modelling of screw conveyor-mixers -

    Screw conveyor performance is affected by its operating conditions (such as: the rotational speed of the screw, the inclination of the screw conveyor, and its volumetric fill level). In this paper, horizontal, several single-pitch screw conveyors with some geometry variations in screw blade was investigated for mixing action during transport ...

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  • LIST website - Publications

    Composites Part B: Engineering, vol. 211, art. no. 108653, 2021

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  • https://www.list.lu/research/scientific-publication/processing-and-properties-of-long-recycled ...

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