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  • Effect of nozzle size on texturing performance: comparison ...

    2014-9-17 · An existing air-jet texturing machine was modified to supply either air or steam to the texturing nozzle. Using four texturing nozzles, both air-jet and steam-jet textured yarns were manufactured. The effect of nozzle size on process and yarn parameters has been studied and compared with air-jet textured yarns.

    Get Price
  • Effect of nozzle size on texturing performance:

    Effect of nozzle size on texturing performance: comparison between air-jet and steam-jet texturing Abstract The objectives of this research work were to investigate the use of steam in order to

    Get Price
  • Effect of Nozzle Geometry on Air-Jet Texturing

    2018-2-17 · In order to facilitate the research, an air-jet texturing nozzle with a rectangular cross section has been developed. The texturing performance of the nozzles is assessed by means of process observations and on-line measurement of stabilizing zone tension, and also by measuring the in creased linear density of the yams on textured yarn samples.

    Get Price
  • Effect of Nozzle Geometry on Air-Jet Texturing Performance

    Abstract and Figures. This paper systematically investigates the effect of a number of geometric parameters on the texturing performance of air-jet texturing nozzles. In order to facilitate the ...

    Get Price
  • E ect of nozzle geometry on air-jet texturing performance

    2017-3-10 · parameters on the texturing performance of air-jet texturing nozzles. In order to facilitate the research, an air-jet texturing nozzle with a rectangular crosssection has been developed. The texturing performance of the nozzles is assessed by means of process observations and on-line

    Get Price
  • Effect of nozzle type, size and pressure on spray droplet ...

    2007-7-1 · Effect of nozzle type, size and pressure on spray droplet characteristics. The characteristics of agricultural sprays belong to the most critical factors affecting spray drift, deposition on plants, spray coverage and biological efficacy. Hence, within the framework of a research project about agricultural spray drift, the effect of nozzle type ...

    Get Price
  • Effect of nozzle size scaling in co-flow water cavitation ...

    2018-1-1 · The nozzle is made up of two concentric sections. The inner section of the nozzle is for the high-speed jet, which is produced by a plunger pump delivering 2.8 × 10 −4 m 3 /s at 34 MPa in order to achieve the high pressures required by the flow conditions. The outer flow section is used to locally submerge the high-speed jet, and thereby ...

    Get Price
  • Effect of Nozzle Geometry on the Flow Characteristics of ...

    The texturing performance of the nozzles is assessed by means of process observations and on-line measurement of stabilizing zone tension, and also by measuring the in creased linear density of ...

    Get Price
  • Effect of nozzle and combustion chamber geometry on the ...

    In the present experimental investigation, an effort has been made to enhance the performance of a dual fuel engine utilizing different nozzle orifice and combustion chamber configurations. In the first phase of the work, injector nozzle (3, 4 and 5 hole injector nozzle, each having 0.2, 0.25 and 0.3 mm hole diameter and injection pressure ...

    Get Price
  • Effect of nozzle box arrangement on the aerodynamic ...

    2019-8-1 · Hushmandi and Fransson detailedly investigated the effects of multi-nozzle-box and axial gap on the performance of partial admission turbines with a full-3D two-stage turbine model. Results show that the efficiency of the first stage with two inlet sectors was higher than that of the single sector, but the extra mixing losses caused the ...

    Get Price
  • The Effect of Nozzle Size, Number, and Extension on the ...

    The Effect of Nozzle Size, Number, and Extension on the Pressure Distribution Under a Tricone Bit A.A ... Both of these laboratory studies were made with a full-size bit. Using a microbit and low-permeability rock, Eckel has shown that drilling rate is a function of a Reynolds number involving flow rate, nozzle diameter, and fluid density and ...

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  • Effect of area ratio of the primary nozzle on steam ...

    2 天前 · Effect of area ratio of the primary nozzle on steam ejector performance considering nonequilibrium condensations Citation: Y. Yang, N. Karvounis, J. H. Walther, H. Ding, and C. Wen, “ Effect of area ratio of the primary nozzle on steam ejector performance considering nonequilibrium condensations ,” Energy, vol. 237, pp. 121483, 2021.

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  • 6.g – Effect of Varying Back Pressure on Nozzle Performance

    Private: SE MECHANICAL SEM 3 – THERMODYNAMICS Module 6 – Compressible Fluid Flow 6.g – Effect of Varying Back Pressure on Nozzle Performance Previous Topic Back to Lesson Next Topic

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  • Effect of Nozzle Arrangement on Venturi Scrubber

    1999-11-13 · The effect of nozzle arrangement on flux distribution is studied in a rectangular, pilot-scale, Pease−Anthony-type Venturi scrubber. The annular, two-phase, heterogeneous, three-dimensional gas−liquid flow inside the scrubber is modeled using a commercial computational fluid dynamic (CFD) package, FLUENT. The comparison of predicted liquid drop concentration shows good agreement with ...

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  • (PDF) Impact of Process Parameters and Nozzle Design on ...

    2.2.4.4 Effects of other elements Although it is claimed that the baffle arrangement (also known as impact element) at the nozzle exit is believed to improve the process stability and hence the yarn quality in the texturing of certain fibers, it is unlikely to have significant effects on the flow inside texturing nozzles, since any such element ...

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  • (PDF) ANALYSIS OF THE EFFECT OF NOZZLE HOLE

    An experimental study was carried out to find out the effect of fuel injector nozzle hole diameter on diesel engine performance using Karanja oil- diesel blends. For this experimental setup a 5.97 KW single cylinder, water-cooled, direct injection

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  • Computational analysis of the effect of nozzle cross ...

    Abstract In cold spraying, the spraying of certain complicated surfaces may require nozzles with special cross-sections. In this study, numerical investigation is conducted to study the effect of nozzle cross-section shape on gas flow and particle acceleration in cold spraying. The comprehensive comparison between rectangular nozzles and elliptical nozzles indicates that rectangular nozzles ...

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  • Experimental Study on Effect of Number of Nozzle Holes

    2021-7-28 · hole nozzle of 142°hole axis angle (DLLA142S1142), 4 hole nozzle of 150°hole axis angle (DLLA150S187) and five hole (DLLA158S769) nozzle to study its effect on the performance and combustion of diesel engine. Variation of load from 2 kg to 10 kg was only taken as a sample for experimental investigation.

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  • The Effect of Bypass Nozzle Exit Area on Fan Aerodynamic ...

    2008-11-11 · The Effect of Bypass Nozzle Exit Area on Fan Aerodynamic Performance and Noise in a Model Turbofan Simulator ... Results from force balance measurements made of fan and outlet guide vane thrust will show that as the nozzle exit area is increased the combined thrust of the fan and outlet guide vanes together also increases, between 2% and 3.5% ...

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  • Effect of fluid properties and nozzle parameters on drop ...

    DOI: 10.31274/RTD-180813-4483 Corpus ID: 107416108. Effect of fluid properties and nozzle parameters on drop size distribution from fan spray nozzles @inproceedings{Liljedahl1971EffectOF, title={Effect of fluid properties and nozzle parameters on drop size distribution from fan spray nozzles}, author={L. Liljedahl}, year={1971} }

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  • Effect of nozzle size on texturing performance: comparison ...

    2014-9-17 · An existing air-jet texturing machine was modified to supply either air or steam to the texturing nozzle. Using four texturing nozzles, both air-jet and steam-jet textured yarns were manufactured. The effect of nozzle size on process and yarn parameters has been studied and compared with air-jet textured yarns.

    Get Price
  • Effect of nozzle size on texturing performance:

    Effect of nozzle size on texturing performance: comparison between air-jet and steam-jet texturing Abstract The objectives of this research work were to investigate the use of steam in order to

    Get Price
  • Effect of Nozzle Geometry on Air-Jet Texturing

    2018-2-17 · In order to facilitate the research, an air-jet texturing nozzle with a rectangular cross section has been developed. The texturing performance of the nozzles is assessed by means of process observations and on-line measurement of stabilizing zone tension, and also by measuring the in creased linear density of the yams on textured yarn samples.

    Get Price
  • Effect of Nozzle Geometry on Air-Jet Texturing Performance

    Abstract and Figures. This paper systematically investigates the effect of a number of geometric parameters on the texturing performance of air-jet texturing nozzles. In order to facilitate the ...

    Get Price
  • E ect of nozzle geometry on air-jet texturing performance

    2017-3-10 · parameters on the texturing performance of air-jet texturing nozzles. In order to facilitate the research, an air-jet texturing nozzle with a rectangular crosssection has been developed. The texturing performance of the nozzles is assessed by means of process observations and on-line

    Get Price
  • Effect of nozzle type, size and pressure on spray droplet ...

    2007-7-1 · Effect of nozzle type, size and pressure on spray droplet characteristics. The characteristics of agricultural sprays belong to the most critical factors affecting spray drift, deposition on plants, spray coverage and biological efficacy. Hence, within the framework of a research project about agricultural spray drift, the effect of nozzle type ...

    Get Price
  • Effect of nozzle size scaling in co-flow water cavitation ...

    2018-1-1 · The nozzle is made up of two concentric sections. The inner section of the nozzle is for the high-speed jet, which is produced by a plunger pump delivering 2.8 × 10 −4 m 3 /s at 34 MPa in order to achieve the high pressures required by the flow conditions. The outer flow section is used to locally submerge the high-speed jet, and thereby ...

    Get Price
  • Effect of Nozzle Geometry on the Flow Characteristics of ...

    The texturing performance of the nozzles is assessed by means of process observations and on-line measurement of stabilizing zone tension, and also by measuring the in creased linear density of ...

    Get Price
  • Effect of nozzle and combustion chamber geometry on the ...

    In the present experimental investigation, an effort has been made to enhance the performance of a dual fuel engine utilizing different nozzle orifice and combustion chamber configurations. In the first phase of the work, injector nozzle (3, 4 and 5 hole injector nozzle, each having 0.2, 0.25 and 0.3 mm hole diameter and injection pressure ...

    Get Price
  • Effect of nozzle box arrangement on the aerodynamic ...

    2019-8-1 · Hushmandi and Fransson detailedly investigated the effects of multi-nozzle-box and axial gap on the performance of partial admission turbines with a full-3D two-stage turbine model. Results show that the efficiency of the first stage with two inlet sectors was higher than that of the single sector, but the extra mixing losses caused the ...

    Get Price
  • The effects of nozzle height and orifice size on spray ...

    1995-12-31 · @article{osti_211816, title = {The effects of nozzle height and orifice size on spray evaporation heat transfer performance for a low-finned, triangular-pitch tube bundle with R-134a}, author = {Moeykens, S A and Pate, M B}, abstractNote = {The heat transfer performance for a 1,575 fins/m (40 fpi) triangular-pitch tube bundle in a spray evaporation environment with R-134a was investigated.

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  • Effect of Viscosity, Surface Tension and Nozzle Size on ...

    2017-3-15 · Effect of Viscosity, Surface Tension and Nozzle Size on Atomization in Two-Phase Nozzles C.E.Ejim, B.A.Fleck1, A.Amirfazli Department of Mechanical Engineering University of Alberta Edmonton, AB, Canada, T6G 2G8 Abstract This study compares the mean drop size (SMD) produced from sprays of different viscosities, surface tensions

    Get Price
  • Effect of design and operational parameters on jet pump ...

    2006-9-29 · 3.1 Effect of nozzle-to-throat spacing to nozzle diameter ratio “X” on jet pump performance for up feeding (negative suction head) configuration for pumping water. At a fixed nozzle-to-throat spacing to nozzle diameter ratio “X” and a fixed pump drive pressure; the discharge valve (9) was varied in stages until the jet flow is reversed.

    Get Price
  • Effect of area ratio of the primary nozzle on steam ...

    Effect of area ratio of the primary nozzle on steam ejector performance considering nonequilibrium condensations Yan Yang, Nikolas Karvounis, Jens Honore Walther , Hongbing Ding, Chuang Wen * * Corresponding author for this work

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  • Effect of Pre-Combustion Chamber Nozzle Parameters on

    In recent years and with the increasing rigor of the International Maritime Organization (IMO) emission regulations, the shipping industry has focused more on environment-friendly and efficient power. Low-pressure dual-fuel (LP-DF) engine technology with …

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  • (PDF) Airjet texturing

    Bock and Luenenschloss conjectured that the effect on Sengupta et al. [12] reviewed the texturing mechanism put texturing arises from the susceptibility of slack yarns inside forward by a number of researchers up to 1990 and con- the nozzle to the large flow …

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  • Effect of Injection Timing, Combustion Chamber Shapes

    2014-12-25 · shows the different combustion chamber shapes used in the study. To study the effect of number of nozzle holes, different injectors with 3, 4, 5 holes each of 0.3 mm were selected. Further to study the effect of orifice size a 5 hole injector with 0.2, 0.25 apart from 0.3 mm were also selected. Fig. 3 shows the various injectors used in the study.

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  • Effect of outlet diameter on atomization characteristics

    2020-5-1 · Effect of outlet diameter on atomization characteristics and dust reduction performance of X-swirl pressure Process Safety and Environmental Protection ( IF 6.158) Pub Date : 2020-05-01, DOI: Pengfei Wang, Han Han, Ronghua Liu, Runze Gao, Gaogao Wu

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  • —Tungsten Carbide Nozzle – phaetus

    In order to present better printing effect, we often need to change the nozzle according to the different printing filaments. It caused a lot of trouble for users of 3D printing equipment.Based on this pain point, Phaetus researched and developed the Tungsten Carbide Nozzle which is called 'All Filaments, One Nozzle'.

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  • MASTER OF TECHNOLOGY (M.TECH) (TT/TC) DEGREE

    2019-3-29 · Airjet texturing – detailed discussion of process. Different types of variables and their effect on properties of yarn. Recent developments of airjet texturing machine, jets and process. Methods of assessing and evaluation of textured yarns. Hi-bulk yarns – especially acrylic. Chemical texturing and texturing of staple yarns. Group A

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  • Effects of Geometry on the Flow Characteristics and ...

    2020-4-22 · nozzle with an expanded, parallel laser beam and projecting the resulting image on a screen. Standard texts such as Shapiro [11] explain the technique in more detail. The shadowgraphs were recorded with a 35 mm camera. Texturing Trials . In order to compare the performance of the various nozzles, we ran a series of texturing trials

    Get Price
  • Fluid dynamics of acoustic and hydrodynamic cavitation in ...

    2017-3-15 · 2011 Cavitation inside enlarged and real-size fully transparent injector nozzles and its effect on near nozzle spray formation. In Proc. DIPSI Workshop 2011 on Droplet Impact Phenomena & Spray Investigation, Bergamo, Italy, 27 May, 2011 .

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  • Petrographic assessment of re-textured road surface

    2014-5-13 · re-texturing. The geological factors affecting the performance of aggregate materials are mainly petrographic and related to the mineral content of the rocks and the petrofabric texture. It may be anticipated that an aggregate’s grain size, bonding and mineralogy will …

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  • Role of textured piston rings/liners in improving the ...

    2021-6-18 · Worldwide, great attempts are being made by the research community to design and develop energy-efficient and low emission producing IC engines so as to delay the fast depletion of conventional fuel reservoirs and minimize the environmental pollution arising due to the exhaust emissions [1, 2].The internal combustion (IC) engine is widely used in many ground and sea transportation (i.e ...

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  • AIST - Digital Library

    2021-8-24 · Comparison of Impact, Velocity, Drop Size and Heat Flux to Redefine Nozzle Performance in the Caster. Comparison of Three Ni-Hard I Alloys. Computer Simulation of the Effect of Helium in Permanent Mold Casting Processes. Control of Grain Size by Second Phase Particle Additions in Novel HSLA Strip Steels

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  • MASTER OF TECHNOLOGY (M.TECH) (TT/TC) DEGREE

    2019-3-29 · Airjet texturing – detailed discussion of process. Different types of variables and their effect on properties of yarn. Recent developments of airjet texturing machine, jets and process. Methods of assessing and evaluation of textured yarns. Hi-bulk yarns – especially acrylic. Chemical texturing and texturing of staple yarns. Group A

    Get Price
  • Deposition of Variable Bead Diameter Arrays by Self ...

    2018-6-22 · The effect of nozzle diameter on bead morphology was explored by depositing single-layer samples with needles of 25, 30, and 33 gauge with inner diameters of 260, 159, and 108 μm, respectively. A 1.5 wt % PEO in water solution was used; samples were collected at 100 mm/s.

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  • cooling tower parts reference guide - Proof In Performance

    2015-10-6 · nozzle n Nozzles are spaced on nominal 2'-0' centers n75' and 2.5' orifice diameters 1.8 available The Marley NX nozzle is used only on splash-fill crossflow towers where objects in the water supply create blockage in smaller nozzles. NX nozzles are injection-molded, high-impact black polypropylene. Each nozzle is a single assembly with no ...

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  • Etching Channels to Create an Air Bearing or a ...

    2018-8-1 · Results. The Advance Lathe was set with the parameters listed above resulting in removal rate of 15 nanometers per pass of the nozzle. The sample was blasted until the channels reached a depth of 9 µm. Because the part blasted in this case study was so small, we did not have to vary the nozzle speed as the nozzle …

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  • East Effects: 3D printed props for the entertainment ...

    2021-5-6 · Andy Fordham is a visual effects artist based in Essex, UK. His studio, East Effects, specialises in the design and creation of bespoke props, costumes, and characters for the entertainment industry.Maybe you’ve seen Andy’s work on screen before – his clients include the BBC, 20th Century Fox, Netflix, Sky, and lots of other household entertainment names.

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  • Effect of Viscosity, Surface Tension and Nozzle Size on ...

    2017-3-15 · Effect of Viscosity, Surface Tension and Nozzle Size on Atomization in Two-Phase Nozzles C.E.Ejim, B.A.Fleck1, A.Amirfazli Department of Mechanical Engineering University of Alberta Edmonton, AB, Canada, T6G 2G8 Abstract This study compares the mean drop size (SMD) produced from sprays of different viscosities, surface tensions

    Get Price
  • A Review on Effect of Nozzle Hole Geometry on the ...

    2020-1-22 · the nozzle significantly affects the processes of fuel atomization, combustion and formation of pollutant emissions in a diesel engine. emissions air. Liquid fuel is injected through the nozzle The aim of this work is to review the effect of nozzle hole geometry in diesel engine performance, combustion and emissions fuelled with diesel

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  • The effect of nozzle-exit-channel shape on resultant fiber ...

    2017-1-16 · Different sizes of rectangular nozzle holes were also machined to investigate the effects of the nozzle-exit-channel cross-section area and perimeter on the resultant fiber diameters. Nozzles exit-channel information is shown in table 1. Cross-sectional images of the nozzle-exit-channel holes taken by a Zeta 3D profilometer are shown in figure 2.

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  • Air-jet yarn texturing and its nozzles - Textile Today

    2015-3-1 · 1. Introduction. Air-jet texturing is one of the most versatile methods known to convert flat syntheticfilament yarns to textured yarns. Over the years, developments in air jet texturing have been related to the developments in nozzle design. With this development yarns from finer denier to extremely coarse denier can be textured.

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  • EFFECT OF DIFFERENT NOZZLES ON THE PERFORMANCE

    2019-4-21 · performance of 1800N thrust, gross specific impulse of 1750s and mass rate of 313kg (m2.s). W.S. Stuessy et al [16] investigated experimentally the effect of nozzle geometry on the performance of a pulse detonation wave engine. The tests were conducted on two chamber geometries, cylindrical and annular with and

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  • Effect of design and operational parameters on jet pump ...

    2006-9-29 · 3.1 Effect of nozzle-to-throat spacing to nozzle diameter ratio “X” on jet pump performance for up feeding (negative suction head) configuration for pumping water. At a fixed nozzle-to-throat spacing to nozzle diameter ratio “X” and a fixed pump drive pressure; the discharge valve (9) was varied in stages until the jet flow is reversed.

    Get Price
  • Effect of Nozzle Geometry and Distance on Cooling ...

    The aperture ratio of the nozzle was defined as the ratio of the nozzle opening area and the area to be cooled for one nozzle. In the slit nozzle, a 25A carbon steel pipe with a thickness of 3.2 mm was used for the nozzle header, and a round holes with a size of ϕ3.2 mm were made at a span of 5.6 mm. In the staggered arrangement nozzle, a long ...

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  • The Effect of Particle Size and Film Cooling on Nozzle ...

    2013-7-9 · An accelerated deposition test facility is used to study the effect of particle size and film cooling on deposit roughness, spatial distribution and thickness. Tests were run at gas turbine representative inlet Mach numbers (0.08) and temperatures (1080°C).

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  • Effect of scarfing on rectangular nozzle supersonic jet ...

    2019-8-4 · 1 Effect of Scarfing on Rectangular Nozzle Supersonic Jet Plume Flow Characteristics P. Behrouzi1, J. J. McGuirk1, and C. Avenell2 1Department of Aeronautical and Automotive Engineering, Loughborough University, . Loughborough LE11 3TU, UK . 2. …

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  • Fabrication of Microglass Nozzle for Microdroplet Jetting ...

    2019-10-30 · An ejection aperture nozzle is the essential part for all microdrop generation techniques. The diameter size, the flow channel geometry, and fluid impedance are the key factors affecting the ejection capacity. A novel low-cost fabrication method of microglass nozzle involving four steps is developed in this work.

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  • Steam as an alternative fluid for air in spun-like ...

    2016-8-31 · Effect of nozzle size on texturing performance: Comparison between air-jet and steam-jet texturing. The Journal of Textile Institute,. 106, 1051 – 1058. [Taylor & Francis Online], [Web of Science ®] , [Google Scholar]). Objective of this paper is to investigate the effect of core-yarn draw ratio and core-yarn heat setting on texturing ...

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  • Effects of Geometry on the Flow Characteristics and ...

    2020-4-22 · nozzle with an expanded, parallel laser beam and projecting the resulting image on a screen. Standard texts such as Shapiro [11] explain the technique in more detail. The shadowgraphs were recorded with a 35 mm camera. Texturing Trials . In order to compare the performance of the various nozzles, we ran a series of texturing trials

    Get Price
  • US6526739B2 - Advanced finish nozzle system - Google

    US6526739B2 US09/985,068 US98506801A US6526739B2 US 6526739 B2 US6526739 B2 US 6526739B2 US 98506801 A US98506801 A US 98506801A US 6526739 B2 US6526739 B2 US 6526739B2 Authority US United States Prior art keywords finish yarn nozzle chamber delivery orifices Prior art date 2000-05-24 Legal status (The legal status is an assumption and is not a legal conclusion.

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  • Journal of Nuclear Materials - CPMI - Illinois

    2018-6-13 · regime. The spot size was found to be around 60mm. Areas of 40mm 10mm were processed by laser on 304L stainless steel and tungsten, and 35mm 10mm on molybdenum by keeping constant the lateral displacement of the laser spot at 50mm in both X and Y axis. Laser texturing was repeated on 4 samples for each investigated material.

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  • ARPN :: Journal of Engineering and Applied Sciences (JEAS)

    2016-2-28 · Effect of surface texturing on hydrodynamic performance of journal bearings: Author (s): Shahab Hamdavi, H. H. Ya and TVVLN Rao: Abstract: The request to use hydrodynamic journal bearings in different industries consisting high speed and high load are commonly demanded. The necessary of improving its performance is a significant objective.

    Get Price
  • A Sustainable Challenges of Abrasive Jet Machining (AJM ...

    2020-5-28 · Nozzle Wear mechanism: Like most of the other machining technologies, all AJM methods are related to the issue of tool wear. The nozzle is the most vulnerable component of any abrasive jet system. The typical working scheme of the nozzle with a miing chamber is presented in Figure.

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  • Spray texturing nozzles having variable orifice - DJS&T ...

    1994-10-12 · FIGS. 9, 10 and 11 show an alternative form of the tubes 24a-c, and these tubes in FIG. 9 through 11 (designated 24a', 24b' and 24c') have the same internal passageway cross-sectional area as the passageways 24a, 24b and 24c, respectively, but the outside diameter of these are made smaller, relative to the passageway size.

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  • Effect of Pore Size and Void Fraction on Cellular Adhesion ...

    2004-7-9 · Effect of oxygen plasma etching on pore size-controlled 3D polycaprolactone scaffolds for enhancing the early new bone formation in rabbit calvaria Dental Materials Journal, Vol. 37, No. 4 In vitro expansion of CD 133+ cells derived from umbilical cord blood in poly- L -lactic acid (PLLA) scaffold coated with fibronectin and collagen

    Get Price
  • cooling tower parts reference guide - Lenntech

    nozzle n Nozzles are spaced on nominal 2'-0' centers n 1.875' and 2.5' orifice diameters available The Marley NX nozzle is used only on splash-fill crossflow towers where objects in the water supply create blockage in smaller nozzles. NX nozzles are injection-molded, high-impact black polypropylene. Each nozzle is a single assembly with no ...

    Get Price
  • Effects of Geometry on the Flow Characteristics and ...

    2020-4-22 · nozzle with an expanded, parallel laser beam and projecting the resulting image on a screen. Standard texts such as Shapiro [11] explain the technique in more detail. The shadowgraphs were recorded with a 35 mm camera. Texturing Trials . In order to compare the performance of the various nozzles, we ran a series of texturing trials

    Get Price
  • US6526739B2 - Advanced finish nozzle system - Google

    US6526739B2 US09/985,068 US98506801A US6526739B2 US 6526739 B2 US6526739 B2 US 6526739B2 US 98506801 A US98506801 A US 98506801A US 6526739 B2 US6526739 B2 US 6526739B2 Authority US United States Prior art keywords finish yarn nozzle chamber delivery orifices Prior art date 2000-05-24 Legal status (The legal status is an assumption and is not a legal conclusion.

    Get Price
  • ARPN :: Journal of Engineering and Applied Sciences (JEAS)

    2016-2-28 · Effect of surface texturing on hydrodynamic performance of journal bearings: Author (s): Shahab Hamdavi, H. H. Ya and TVVLN Rao: Abstract: The request to use hydrodynamic journal bearings in different industries consisting high speed and high load are commonly demanded. The necessary of improving its performance is a significant objective.

    Get Price
  • US6449938B1 - Advanced finish nozzle system - Google

    A process for improving the uniformity of yarn finish application on the individual filaments of a rapidly advancing synthetic continuous monofilament, bonded multi-filament, multi-filament hosiery, textile, technical and industrial yarns includes imparting a pneumatic false twist to the advancing yarn having a wet finish thereon while the yarn is under a tension allowing the rapid opening and ...

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  • US6088892A - Method of aerodynamic texturing, texturing ...

    A method of air jet texturing is described wherein the intensity of texturing is proposed to be increased in that an air flow exceeding Mach 2 is obtained by the design of the nozzle duct. The total opening angle of the nozzle duct (11) directly in front of the texturing zone is designed to be greater than the ideal Laval angle with an effective length which is preferably a multiple of the ...

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  • A Short Review on Alternative Cleaning Methods to

    2015-12-26 · A number of high performance nozzles (round, conical, flat, angled and custom made based on the applications) have been developed in the recent year. These nozzles can also be turned in any desired position during the operation [40, 41]. Dry ice blasting is ideal for use in many industries as it does not leave secondary waste and residue behind.

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  • Functional surfaces for tribological applications ...

    2016-11-3 · Surface texturing has been recognized as a method for enhancing the tribological properties of surfaces for many years. Adding a controlled texture to one of two faces in relative motion can have many positive effects, such as reduction of friction and wear and increase in load capacity.

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  • cooling tower parts reference guide - Lenntech

    nozzle n Nozzles are spaced on nominal 2'-0' centers n 1.875' and 2.5' orifice diameters available The Marley NX nozzle is used only on splash-fill crossflow towers where objects in the water supply create blockage in smaller nozzles. NX nozzles are injection-molded, high-impact black polypropylene. Each nozzle is a single assembly with no ...

    Get Price
  • Effect of Pore Size and Void Fraction on Cellular Adhesion ...

    2004-7-9 · Effect of oxygen plasma etching on pore size-controlled 3D polycaprolactone scaffolds for enhancing the early new bone formation in rabbit calvaria Dental Materials Journal, Vol. 37, No. 4 In vitro expansion of CD 133+ cells derived from umbilical cord blood in poly- L -lactic acid (PLLA) scaffold coated with fibronectin and collagen

    Get Price
  • Terblend N NM-21EF - Terblend® favorable buying at our

    Terblend N NM-21EF. Terblend® N NM-21EF is a UV-stabilized ABS/PA blend with high impact toughness, excellent flowability and enhanced heat resistance. It is especially suitable for grained automotive interior applications and provides a premium matte appearance.

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