The mechanism of air-jet texture Large favorably

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  • Microstructure and texture evolution of commercial pure ...

    The texture components can be characterized by three Euler angles φ 1, Φ and φ 2 defined according to the Matthies–Roe convention . As seen, the measured pole figures in Fig. 3(d–i) are compared to ideal texture components reporting the corresponding Euler angles and the angle between the (0 0 0 1) direction and CD, θ.

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  • A review on the erosion mechanisms in abrasive waterjet ...

    2019-4-15 · The promotions of the air friction to the jet surface at higher jet velocities increase the wave amplitudes and shorten the wave lengths. Enlarged views of this phenomenon are shown on the right hand side of figure 9 (b) for the jet wave patterns at 20 mm downstream from the nozzle exit.

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  • Effect of temperature and texture on the reorientation of ...

    Martensitic Ni 50 Ti 50 wires and sheets with different textures were tensile tested in the temperature range between −100 °C and 60 °C. The effect of texture and temperature on reorientation of martensite variants was investigated. After deformation, all material states were heated into the austenite regime to study their shape memory behavior.

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  • Study on the mechanisms of curved water jet fiber-guided ...

    The emergence of a novel technology, curved water jet fiber (CWJF)-guided laser, will broaden the application of water jet-guided laser in surface high precision and no damage micromachining, such as micro-texture treatment, drilling and grooving, etc., of inclined and curved workpiece, in particular, like some large and heavy parts that are difficult to move and rotate. In addition, the novel ...

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  • Role of Solute in the Texture Modification During Hot ...

    Although conventional Mg alloys develop strong crystallographic textures during deformation that persist during annealing, the addition of rare earth (RE) elements can induce comparably weaker textures. The texture weakening effect is explored using hot-rolled Mg-Y alloys of a single phase to focus on the possibility of solute effects. Of the studied compositions, the richer alloys (≥0.17 at ...

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  • Yarn structure - properties relationship

    Baqui 13 reported that air-jet spun yarn consisted of an untwisted core of fibres and a surface layer of fibres wrapped around the greater part of the core. They classified the yarn into three types w.r.t. its structure. How et al. 25 observed that air-jet yarns are different from other yarns. Two parts, bundle fibres and outside wrapping ...

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  • FLAMELET MODELING OF LIFTED TURBULENT METHANE/AIR AND ...

    stabilization process of turbulent methane/air and propane/air jet diffusion flames. The calculated lift-off heights compare favorably with experimental data from various authors. Introduction Research on lifted jet diffusion flames has been conducted for more than 50 years [1]. Despite this long-time effort, the physical mechanisms of turbu-

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  • Mixing in plasma and low density jets

    This study was undertaken to examine the mechanisms which produce the large entrainment measured near the exit of thermal plasma torches. A research facility was constructed to examine low density jet behavior under similar dimensionless conditions as those produced by thermal plasma spray torches; the Reynolds number based on jet diameter and average properties was 1000, and the ratio of jet ...

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  • Clarence E. Choi's research works

    Clarence E. Choi's 21 research works with 239 citations and 5,638 reads, including: Numerical investigation of the mechanism of granular flow impact on rigid control structures

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  • www.linksalpha.com

    由于此网站的设置,我们无法提供该页面的具体描述。

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  • William & Mary on Instagram: “Move-In looks a little ...

    3,020 Likes, 39 Comments - William & Mary (@william_and_mary) on Instagram: “Move-In looks a little different this year, and we know there are mixed emotions right now. We want…”

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  • Finances in Germany - Expat Guide to Germany

    Learn everything an expat should know about managing finances in Germany, including bank accounts, paying taxes, getting insurance and investing.

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  • Expat Dating in Germany - chatting and dating - Front page DE

    Expatica is the international community’s online home away from home. A must-read for English-speaking expatriates and internationals across Europe, Expatica provides a tailored local news service and essential information on living, working, and moving to your country of choice. With in-depth features, Expatica brings the international community closer together.

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  • Air-Jet Textured Yarns: The Effects of Process and Supply ...

    Characteristics of air-jet textured yarns are determined by the instability, linear density, and strength, together with structural properties such as loop size, loop frequency, and degree of entanglement. Such characteristics are affected by various process parameters and supply yarn properties.

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  • Yarn structure - properties relationship

    Baqui 13 reported that air-jet spun yarn consisted of an untwisted core of fibres and a surface layer of fibres wrapped around the greater part of the core. They classified the yarn into three types w.r.t. its structure. How et al. 25 observed that air-jet yarns are different from other yarns. Two parts, bundle fibres and outside wrapping ...

    Get Price
  • A Study of cavitation induced surface erosion in abrasive ...

    mechanism of the accelerated surface erosion and the effect of cavitation on the surface erosion. 2. ... by the vacuum action of the high speed jet and expanding as two to three large air bubbles, preventing the formation of vapour bubbles and cavitation; and ... a wavy surface texture which serves as the division between the cutting wear and ...

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  • The Structure and Mechanical Behavior of Ice

    The elastic behavior of ice is characterized by moderate anisotropy. At temperatures near the melting point, Young's modulus 23 of single crystals varies by less than 30%, from 12 GPa along the least compliant direction (parallel to the c-axis) to 8.6 GPa along the most compliant direction (inclined to both the c- and a-axes). Along directions within the basal plane Young's modulus is 10 GPa.

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  • Crystallographic Orientation Relationship with ...

    2 h/fan air quenching) and precipitation (760 C/16 h air cooling) heat treatments. The average grain size was in the range of 30 ± 5 lm diameter. Dog-bone-shape specimens were produced with a gage length of 10 mm and a width of 5 mm. The creep test was conducted on SORAN BIROSCA is with the Institute of Structural Materials,

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  • Atomization of viscous and non-newtonian liquids by a ...

    Atomization of viscous and non-newtonian liquids by a coaxial, high-speed gas jet. Experiments and droplet size modeling A. Aliseda a,1, E.J. Hopfinger a, J.C. Lasheras a, D.M. Kremer b,*, A. Berchielli b, E.K. Connolly b a Department of Mechanical and Aerospace Engineering, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0411, United States

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  • The Effect of Texture Shape on the Load-Carrying Capacity ...

    Qiu et al. 14 compared the load capacity yielded by six different texture shapes under air-lubricated condition. They found that the ellipsoidal bottom shape generates the highest load capacity ...

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  • Different Types of Modern Loom with Features - Textile Learner

    Air Jet Loom: Weft insertion by means of air jet has made a major breakthrough in the early 70s and its importance is increasing further because of its ability to weave a wide range of fabrics at a very high-speed weft insertion rate of about 2000 mpm. The first attempt to use a compressed air steam instead of shuttle is made by Brooks in 1914.

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  • Yarn structure - properties relationship

    Baqui 13 reported that air-jet spun yarn consisted of an untwisted core of fibres and a surface layer of fibres wrapped around the greater part of the core. They classified the yarn into three types w.r.t. its structure. How et al. 25 observed that air-jet yarns are different from other yarns. Two parts, bundle fibres and outside wrapping ...

    Get Price
  • A Study of cavitation induced surface erosion in abrasive ...

    mechanism of the accelerated surface erosion and the effect of cavitation on the surface erosion. 2. ... by the vacuum action of the high speed jet and expanding as two to three large air bubbles, preventing the formation of vapour bubbles and cavitation; and ... a wavy surface texture which serves as the division between the cutting wear and ...

    Get Price
  • Ink - Jet Texturing - A New Technology for Producing ...

    The new texturing machine developed by Intexia uses the latest high-resolution, drop-on-demand inkjet printheads. The machine incorporates both the ink-jet printing and electro-chemical etching systems. Designed for maximum versatility, it is capable of texturing a range of both flat and cylindrical components in a variety of sizes.

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  • Aerodynamic Investigation about the Cause of Check-mark ...

    pinging gas jets. This wiping mechanism has been well in-vestigated theoretically and experimentally.1–4) The nozzle of the nitrogen gas jet is called the air knife system and this manufacturing method is called the gas wiping process. This method which was put to practical use in the mid-twenty century is widely used in most of the commercial

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  • Relaxation characteristics of ion jet formed across the ...

    1 Introduction. When the discharge current disappears, the discharge channel will present for a given time, which is also called a relaxation process [1, 2].If a new discharge occurs later, it goes along the previous discharge channel in the gap when the time interval is small enough [].The relaxation process of the discharge channel has a great influence on the discharge development of air gap.

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  • Influence of surface texture on boundary lubricated ...

    Multi-scale texture, which was combined with large (11 μm depth, 2% textured area, and 22 μm diameter) and small (5 μm depth, 1% textured area, and 15 μm diameter) textures, could reduce the ...

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  • Modeling and Prediction of the Flow, Pressure and Holding ...

    Compressible air is modeled to capture the effect of the high flow velocities generated by the nozzle. In addition an experimental set up is designed to validate the model. Experimental results of air pressure and force agree favorably with those predicted by the model.

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  • Journal of Electronic Packaging, Transactions of the ASME

    Solder joints serve both as electrical and mechanical connections in IC packages and the reliability of solder joints is one of most important issues in electronic packaging. In this study, a new ...

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  • Revising the hygroscopicity of inorganic sea salt ...

    First, a sea spray chamber utilizing a plunging jet to entrain air from above the water surface into the seawater was used 43,44. The bursting of the rising air bubbles generated sea salt aerosol ...

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  • Detailed Large Eddy Simulations (LES) of Multi-Hole ...

    The coolant CO2 is fed from a plenum into the air channel through a series of 52 inclined orifices in a staggered arrangement. Highly detailed LES computations presented in this study resolved entire 52 cooling holes to accurately capture realistic jet-to-jet interactions which are critical in cooling film formation.

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  • Effect of Soil Texture on Remediation of Hydrocarbons ...

    The mechanisms of interaction between the soil and contaminants are also important to know. Soil can be defined as loose material composed of weathered rock, other minerals, and also partly decayed organic matter, that covers large …

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  • Atomization of viscous and non-newtonian liquids by a ...

    Atomization of viscous and non-newtonian liquids by a coaxial, high-speed gas jet. Experiments and droplet size modeling A. Aliseda a,1, E.J. Hopfinger a, J.C. Lasheras a, D.M. Kremer b,*, A. Berchielli b, E.K. Connolly b a Department of Mechanical and Aerospace Engineering, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0411, United States

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  • Stretchable Hydrophobic Surfaces and Self-Cleaning ...

    Some of these methods involves with high cost, such as water jet cleaning 1,2, or excessive compressor power, such as air jet blowing 3. Self-cleaning of surfaces is one of the cost effective ...

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  • Effect of the dynamic slip boundary condition on the near ...

    Although the results show a promising mechanism and a large skin friction reduction effect, applying the demonstrated air-film system for manipulating TBL at a higher Reynolds number still needs to be tested. Apart from this, the actual energy saving may be compromised by the energy consumed in achieving active modulation.

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  • Agriculture is a major source of NOx pollution in ...

    Nitrogen oxides (NO x = NO + NO2) are a primary component of air pollution—a leading cause of premature death in humans and biodiversity declines worldwide. Although regulatory policies in California have successfully limited transportation sources of NO x pollution, several of the United States’ worst–air …

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  • Aviation News -- ScienceDaily

    Aviation news. Read the latest in aviation, from bird-sized airplanes with shape-shifting wings and thinking mini-helicopters to liquid fuel-powered scramjets and more.

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  • (PDF) Regenerated cellulose by the Lyocell process, a ...

    The air-dried fibre has a tensile strength of 175.8 MPa and an elongation of 34.6%, this is slightly lower than typical viscose fibre (22-26 cN/tex) (Zhang et al. 2018) as no draw is applied here ...

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  • Plane jet

    plane jet. [ ′plān ‚jet] (hydrology) A stream flow pattern characteristic of hyperpycnal inflow, in which the inflowing water spreads as a parabola whose width is about three times the square root of the distance downstream from the mouth.

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  • Adam Clare - The University of Nottingham

    Biography. I joined the University of Nottingham as a Lecturer in January 2010 after completing both my PhD and …

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  • Theoretical atomization model of a coaxial gas–liquid jet ...

    The authors would like to gratefully acknowledge the financial support from the National Natural Science Funds for Distinguished Young Scholar (Grant No. 11525207), the National Natural Science Foundation of China (Grant No. 51806006), and the National Science and Technology Major Project (Grant No. 2017-III-0004-0028).

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  • Simulation of Subsonic Turbulent Nozzle Jet Flow and Its ...

    The jet Mach number in the present investigation is M a = 0.9, the diameter-based jet Reynolds number is R e D = 18,100, and the maximum axial rms fluctuations attain 13% at the nozzle exit. The accuracy of the numerical results is checked by varying grid resolution and computational domain size.

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  • Physically Derived Synthesis Model of a Cavity Tone

    Proceedings of the 20th International Conference on Digital Audio Effects (DAFx-17), Edinburgh, UK, September 5–9, 2017 whentheshearlayerre-attachesaroundthetrailingedge,asshown in Fig. 1. A closed cavity is a longer shallow cavity when the shear layer attaches to the bottom of the cavity prior to the trailing

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  • Bubble entrapment during the recoil of an impacting ...

    The bubble entrapment during the recoil phase of the droplet impact is a result of air cavity closure followed by the formation of a singularity jet, which causes the bubble to oscillate at its ...

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  • Stretchable Hydrophobic Surfaces and Self-Cleaning ...

    Some of these methods involves with high cost, such as water jet cleaning 1,2, or excessive compressor power, such as air jet blowing 3. Self-cleaning of surfaces is one of the cost effective ...

    Get Price
  • Nature-inspired superwettability systems

    The mechanism of spider silk for water collection in air systems was illustrated and the study of superwettability systems was extended to 1D systems. CAS Article Google Scholar

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  • Significant and stable drag reduction with air rings ...

    Superhydrophobic surfaces have the potential to reduce the viscous drag of liquids by significantly decreasing friction at a solid-liquid interface due to the formation of air layers between solid walls and interacting liquids. However, the trapped air usually becomes unstable due to the finite nature of the domain over which it forms. We demonstrate for the first time that a large …

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  • Effects of Leading-Edge Protuberances on Airfoil ...

    Effects of texture spacing and bulges of bionic sinusoidal texture on the adhesion properties and fracture mechanism of plasma-sprayed coatings Surface and Coatings Technology, Vol. 393 Control of self-induced roll oscillations using the sinusoidal leading-edge for low-aspect-ratio wings

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  • Off The Air - (5,670 Free Downloads) - Videezy

    Underwater air bubbles ring. Air bubbles dance. Hands In The Air. Hot Air Balloons Animation. Two Bloody Candles Turning Off. Candle Turning Off On Skull. Switch Control On And Off. Turning on and off the machine bubbles of an aquarium creating a beautiful texture of bubbles in 4K. Turning on and off the machine bubbles of an aquarium creating ...

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  • Professor Bharathram Ganapathisubramani

    Professor Bharathram Ganapathisubramani is Professor within Engineering and Physical Sciences at the …

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  • Adam Clare - The University of Nottingham

    Biography. I joined the University of Nottingham as a Lecturer in January 2010 after completing both my PhD and …

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  • Mechanisms for the Generation of Mesoscale Vortices within ...

    One possibility is that the scale is chosen somewhat based on the ability of the vortices along the line to interact favorably with each other, by strengthening the resulting rear-inflow jet, which affects the lifting at the leading edge of the system, etc., as discussed in Weisman (1993) for more isolated bow echoes. Any further resolution of ...

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  • Prediction of Near-Field Jet Cross Spectra

    A prediction method is developed based on the acoustic analogy for the cross-power spectral density in the convecting near field of compressible fluid turbulence. Equivalent source near-field, midfield, and far-field terms within the model integrand create corresponding near-field, midfield, and far-field radiating waves.

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  • QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY

    Thermal nanoparticle spraying was developed to create fine ceramics layers on free surfaces. Resin slurry containing ceramics nanoparticles were atomized by a compressed air jet in a chamber, and the resulting micro mists of composited droplets were effectively injected from a tubular nozzle into the plasma flare.

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  • Effect of the dynamic slip boundary condition on the near ...

    Although the results show a promising mechanism and a large skin friction reduction effect, applying the demonstrated air-film system for manipulating TBL at a higher Reynolds number still needs to be tested. Apart from this, the actual energy saving may be compromised by the energy consumed in achieving active modulation.

    Get Price
  • A mechanism stimulating sound production from air bubbles ...

    There is an extensive body of literature on the acoustical properties of gas bubbles, but comparatively little is known about the mechanism driving the production of sound when bubbles are first formed. Various mechanisms …

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  • Understanding the Mechanisms behind the Northward ...

    Shadings indicate the Saharan heat low location and intensity, represented through the values of air temperature at 850 hPa (K) exceeding the 90th percentile in the domain [0°–40°N, 20°W–20°E] (Lavaysse et al. 2009). The SHL position and intensity is determined by detecting the maximum of the air temperature at 850 hPa inside the domain.

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  • QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY

    Hot air heated at 354K is blew to the hot junctions of fine thermocouple and 0.65mm thermocouple at the same time, and variation of their EMF is recorded with a digital oscilloscope. The heat response rates, which is defined by the initial increasing rate of EMF, of the fine thermocouple and the 0.65mm thermocouple are 870K/s and 22K/s ...

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  • Drylines in Southern Africa: Rediscovering the Congo Air ...

    It appears that TTTs may be the result of an interaction of the CAB with a wave in the subtropical westerly jet (Macron et al. 2014) with the CAB, that causes the CAB to break down and a KD to form in its place, allowing Congo air to flow south to create the characteristic TTT southward moisture flux across the subtropical continent. Further ...

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