Air Flow in Yarn Texturing Nozzles - CiteSeerXFactory direct

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  • Numerical simulation of airflow behaviour and nozzle ...

    The texturing performance enhanced when the L/D ratio of yarn channel was between 7 and 10, and the ratio of the cross-sectional area of air inlet to the yarn channel was 1/4th. The use of air inlet at an angle between 45° and 60° with a 10° divergence provided at the exit side of the yarn channel further enhanced the texturing process [ 6 ].

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  • (PDF) Effect of Nozzle Geometry on Air-Jet Texturing ...

    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 ...

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  • Method for air-bubble texturing endless filament yarn ...

    A method and machine for treating yarn may include feeding the yarn through both a heat treatment and an air jet texturing nozzle. The texturing nozzle may be supplied with compressed air, producing an air jet with a speed greater than Mach 1 in the yarn channel. The heat treatment may be performed before and/or after feeding the yarn through the texturing nozzle.

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  • The Air-Jet Texturing and Twisting Machine's and Model ...

    2009-1-1 · 2. SYSTEM DESCRIPTION Air-jet texturing provides a means of creating texture in yarns. Further, it is a useful means of producing a yarn structure near to that associated with staple yarns. This is an important concession to the tastes of the ultimate consumer. Twisting and air-jet texturing …

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  • Effect of Process Variables and Feeder Yarn Properties on ...

    Effect of core-yarn overfeed ratio on loop density of the textured yarns Figure 4 shows that for both air-jet texturing and steam-jet texturing, loop density increases when the core-yarn overfeed ...

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  • Investigation of the influence of effect-yarn draw and ...

    2014-7-2 · Loop density of textured yarns. Figure 3 shows that loop density of steam-jet textured yarns increases and air-jet textured yarn decreases when effect-yarn draw ratio is increased. The decrease of loop density in the case of air-jet textured yarns may be due to smaller loops. It suggests that the increase of effect-yarn draw ratio increases the level of texturing and hence make smaller loops.

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  • Computational fluid dynamics (CFD) and its application to ...

    2012-1-1 · The results in terms of air velocity and drag forces acting on the fibres showed the influence of the axial angle of the air inlets of the nozzles on yarn hairiness. They correlated well with measured values. Zeng and Yu (2003) analysed the air flow in the nozzle of an air-jet spinning machine. They determined the resulting air flow when ...

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  • (PDF) Investigation of the use of steam for spun-like ...

    An existing air-jet texturing machine was modified to supply either air or steam to the texturing nozzle. Using standard commercial nozzles, both air-jet and steam-jet textured yarns were ...

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  • Method and device for treating filament yarn with air ...

    In contrast, air jet texturing is known, for example, from EP-PS 88 254. Air jet texturing utilizes the forces of air, in particular shock waves at the outlet from an air nozzle. The shock waves produce filament loops uninterruptedly on each individual filament. During air jet texturing, the yarn is guided into the air nozzle with a large overfeed.

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  • Filament Wrapping - an overview

    The hollow-spindle process [25] is the more common filament wrapping technique, the basic principle of which is shown in Fig. 1.23.The essential features of the spinning line are a roller drafting unit, a hollow spindle on which is mounted a pirn of filament 9, a pair of take-up rollers and a package build unit.The spindle has an integral pin-type false twister located at its base (some ...

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  • Filament & Industrial Yarn Testing - Yarn Intermingling or ...

    At least one full doff of one texturing machine can be dyed at once. As sample PES yarn 167fxx dtex 2 knitted houses each 24 m long. 2.Short Dyeing Time: One batch PES yarn dyeing, even distribution, cooling and washing within 2 hours. 3.Optimal Jet Pulsation provide the goods with a maximum pulls flow at the knitted tube. 4.

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  • Feasibility of PET super micro yarn production

    As regards the texturing zone, a conventional V-profile threadline (straight threadline) with a 2.0-m dowtherm heater and 1.1-m conventional cooling zone, as well as Barmag type 8E friction with 9/52 mm PU discs are used to produce the sample yarn at a speed of 600 m/min. UNITENS® allows the familiar, high-performance online quality monitoring ...

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  • ITMA Technology

    2007-7-1 · universal yarn twister, which offers all of the features found on its predecessor UT 50, in addition to direct cabling equipment for two-ply cord production, integrated full air circulation for reduced heat dissipation and new yarn brakes. RITM also will highlight the Monitoring Unit. System for Textile Machinery (M.U.S.T.) production ...

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  • Highly Reliable, Efficient and Safe extring machine ...

    Buy extring machine to ease and minimize your day-to-day kitchen hassles. Well equipped extring machine with alluring prices on Alibaba.com can hack down your burden.

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  • Frontiers

    2020-7-2 · Regarding applications in built environment, they have only been proposed as an air flow actuator in HVAC systems by Berardi (2010), for daylighting control systems in homeostatic façades (Decker, 2013) and for a dynamic and responsive indoor arts installation mounted to a room ceiling in the project “Reef” by Mossé et al. (2012 ...

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  • ITMA 2007 Exhibitor Technology

    2007-8-9 · universal yarn twister, which offers all of the features found on its predecessor UT 50, in addition to direct cabling equipment for two-ply cord production, integrated full air circulation for reduced heat dissipation and new yarn brakes. RITM also will …

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  • Injection Molding: Mold Design

    2021-8-29 · The material flow may be estimated by eye or by using flow analysis programs. For higher shrinkage grades, the part may shrink near the gate, which causes 'gate pucker' if there is a high molded-in stress at the gate. If filling problems exist in thin walled parts, adding flow channels or minor changes in wall thickness can alter the flow.

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  • ATME-I 2000 Exhibitor Overview

    2000-12-1 · ATME-I 2000 Exhibitor Overview. December 1, 2000. Exhibitors offer new products, services at textile show. Following is a look at some. of the companies that exhibited at the American Textile Machinery Exhibition-International 2000. (ATME-I). Obviously, space does not allow a comprehensive review of every display.

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  • Chau, S.W. on Strikingly

    Chau, S.W., Lee, Y.H. (2012) “Determination of Thermal Response on Mold Surface and Recommendation of Feasible Heating Time and Gas Flow Rate for a Circular Cavity by Gas Preheating”, International Polymer Processing, Issue 01/2012, Vol. XXVII, p.30-39. (SCIE/EI) Chau, S.W., Hsu, K.L. (2011) “Modeling steady axis-symmetric thermal ...

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  • Air Nozzles - EXAIR Industrial Compressed Air Products

    These air nozzles have been engineered to provide a strong blast of airflow while minimizing air consumption and noise levels. They are available in many configurations and materials to suit the requirements of your application. EXAIR's standard force air nozzles deliver up to 22 ounces (624 grams) of force. These air nozzles use a small amount ...

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  • Air Nozzles

    Air Nozzles– is a small brass nozzle to fit into small spots and used by many machine builders for blow-off applications. Micro Air Nozzle – The Model 49001 Nex Flow™ brass nozzle is a Micro Air Nozzle for blowoff.

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  • Compressed Air Flow Calculator

    Multiply the known flow by the ratio of the input pressures converted to absolute. Step 1: Calculate the ratio of absolute inlet pressures. Step 2: Multiply known flow by the above ratio you just calculated. Model 3215 consumes 15 SCFM @ 100 PSIG (425 SLPM @ 6.9 BAR) and will consume 12.4 SCFM @ 80 PSIG (351 SLPM @ 5.5 BAR).

    Get Price
  • Nozzles for spray drying achieving Low flow rates at high ...

    The ability of a direct pressure nozzle to atomise the fluid is proportional to the pressure the fluid is being sprayed at. The higher the pressure the greater the atomisation BUT also the higher the pressure the higher the flow rate. This conundrum has led to the development of specialist spray drying nozzles that give high atomisation at low ...

    Get Price
  • Use of Oriented Spray Nozzles to Set the Vapor-Air Flow in ...

    The present paper considers the problem of upgrading the thermal efficiency of chimney-type evaporative cooling towers due to the rotary motion of the vapor-air flow in the superspray space. To set the vapor-air flow in rotary motion, we propose to use the momentum of the sprayed water. It has been shown that the existing parameters of spray nozzles permit setting up to 30% of the water flow ...

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  • Role of vibrational relaxation in the nonequilibrium flow ...

    Role of vibrational relaxation in the nonequilibrium flow of air in nozzles V. N. Komarov 1 Journal of Applied Mechanics and Technical Physics volume 19 , pages 180–182 ( 1978 ) Cite this article

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  • AIR-FLOW Handy 3.0

    2021-8-26 · Mobile and flexible: the AIR-FLOW ® HANDY 3.0 PREMIUM is built from the highest engineering and know-how, with a sleek design and lightweight body for optimal comfort & handling. Being the fruit of EMS’ research center in Switzerland and the first device of its kind, the AIRFLOW ® HANDY 3.0 PREMIUM can be quickly integrated into any dental chair unit and meets the most …

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  • EFFECTS OF CLOGGING, ARGON INJECTION AND

    2000-9-7 · AND CONTINUOUS CASTING CONDITIONS ON FLOW AND AIR ASPIRATION IN SUBMERGED ENTRY NOZZLES Hua Bai and Brian G. Thomas Hua Bai, Senior research engineer, is with the Dow Chemical Company, 2301 N. Brazosport Blvd., Freeport, TX 77541, and Brian G. Thomas, Professor, is with the Department of

    Get Price
  • Filament & Industrial Yarn Testing - Yarn Intermingling or ...

    At least one full doff of one texturing machine can be dyed at once. As sample PES yarn 167fxx dtex 2 knitted houses each 24 m long. 2.Short Dyeing Time: One batch PES yarn dyeing, even distribution, cooling and washing within 2 hours. 3.Optimal Jet Pulsation provide the goods with a maximum pulls flow at the knitted tube. 4.

    Get Price
  • ITMA Preview Part 4 (continued) – TextileFuture

    2019-6-13 · ITMA Preview Part 4 (continued) – TextileFuture. We continue our series on the ITMA Barcelona preview with various selected textile machinery manufacturers, and textile chemicals, colorants and additives companies, as well as printing firms from different countries, and in alphabetic order.

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

    2016-8-31 · AbstractThe objectives of this research work were to investigate the use of high-pressure steam in order to replace air in the production of spun-like textured yarns and to investigate the effect of core-yarn draw ratio and core-yarn heat setting on texturing performance. An existing air jet texturing machine was modified to supply either air or steam to the texturing nozzle.

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  • The Development and Bio-applications of Multifluid ...

    Furthermore, air can also be used as the shell in triaxial electrospinning as a role to increase the productivity of fiber by enhancing flow rate . Hollow fiber and multiwall hollow fiber prepared by triaxial electrospinning have also been reported as Figure (3c and 3f) …

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  • Lasers that learn: The interface of laser machining and ...

    2021-4-9 · The ANN inputs were gas flow, distance between workpiece and beam focus, laser repetition rate, and laser pump value, and associated ANN outputs were depth, width, and contrast of engraved zone. Feng et al. used an ANN to model the key processing parameters for underwater laser milling of RSA-905 aluminium.

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  • ITMA Preview Part 4 (continued) – TextileFuture

    2019-6-13 · ITMA Preview Part 4 (continued) – TextileFuture. We continue our series on the ITMA Barcelona preview with various selected textile machinery manufacturers, and textile chemicals, colorants and additives companies, as well as printing firms from different countries, and in alphabetic order.

    Get Price
  • Masoud Latifi - Amirkabir University of Technology

    2021-7-8 · 192. Masoud Latifi, 'Overcoming some of the problems associated with the design of warpKnitted fabrics by the of a computer aided design', Amirkabir Journal of Science & Technology, March 1991 Vol. 0, Num. 0, Page 0-0, March 1991, Conference Papers. Portal Records.

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  • Dictionary of Textile

    2019-4-26 · AIR FORMING: A process in which air is used to separate and move fibers to fashion a web such as the Kroyer® process for short fibers, usually of wood pulp; or the Rando-Webber® process for staple-length fibers. AIR JET SPINNING: A spinning system in which yarn is made by wrapping fibers around a core stream of fibers with compressed air. In ...

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  • Filament & Industrial Yarn Testing - Yarn Intermingling or ...

    At least one full doff of one texturing machine can be dyed at once. As sample PES yarn 167fxx dtex 2 knitted houses each 24 m long. 2.Short Dyeing Time: One batch PES yarn dyeing, even distribution, cooling and washing within 2 hours. 3.Optimal Jet Pulsation provide the goods with a maximum pulls flow at the knitted tube. 4.

    Get Price
  • Industry 4.0 Compendium Pages 51 - 100 - Flip PDF

    2018-10-16 · Check Pages 51 - 100 of Industry 4.0 Compendium in the flip PDF version. Industry 4.0 Compendium was published by Fibre2Fashion on 2018-10-16. Find more similar flip PDFs like Industry 4.0 Compendium. Download Industry 4.0 Compendium PDF for free.

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  • 16290205.pdf

    2019-3-12 · Scribd es el sitio social de lectura y editoriales más grande del mundo.

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  • Luz Tekstil

    A'dan Z'ye tekstil terimlerini ve anlamlarını bu sayfada bulabilirsiniz. Alt kısımda bulunan A'dan Z'ye sıralı şekilde bulunan harflere tıklyarak, direk olarak ilgili harf ile başlayan terimlere kolayca erişebilirsiniz.

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  • Air Nozzles - EXAIR Industrial Compressed Air Products

    These air nozzles have been engineered to provide a strong blast of airflow while minimizing air consumption and noise levels. They are available in many configurations and materials to suit the requirements of your application. EXAIR's standard force air nozzles deliver up to 22 ounces (624 grams) of force. These air nozzles use a small amount ...

    Get Price
  • Air Nozzles

    Air Nozzles– is a small brass nozzle to fit into small spots and used by many machine builders for blow-off applications. Micro Air Nozzle – The Model 49001 Nex Flow™ brass nozzle is a Micro Air …

    Get Price
  • Compressed Air Flow Calculator

    Multiply the known flow by the ratio of the input pressures converted to absolute. Step 1: Calculate the ratio of absolute inlet pressures. Step 2: Multiply known flow by the above ratio you just calculated. Model 3215 consumes 15 SCFM @ 100 PSIG (425 SLPM @ 6.9 BAR) and will consume 12.4 SCFM @ 80 PSIG (351 SLPM @ 5.5 BAR).

    Get Price
  • Nozzles for spray drying achieving Low flow rates at high ...

    The ability of a direct pressure nozzle to atomise the fluid is proportional to the pressure the fluid is being sprayed at. The higher the pressure the greater the atomisation BUT also the higher the pressure the higher the flow rate. This conundrum has led to the development of specialist spray drying nozzles that give high atomisation at low ...

    Get Price
  • Use of Oriented Spray Nozzles to Set the Vapor-Air Flow in ...

    The present paper considers the problem of upgrading the thermal efficiency of chimney-type evaporative cooling towers due to the rotary motion of the vapor-air flow in the superspray space. To set the vapor-air flow in rotary motion, we propose to use the momentum of the sprayed water. It has been shown that the existing parameters of spray nozzles permit setting up to 30% of the water flow ...

    Get Price
  • Role of vibrational relaxation in the nonequilibrium flow ...

    Role of vibrational relaxation in the nonequilibrium flow of air in nozzles V. N. Komarov 1 Journal of Applied Mechanics and Technical Physics volume 19 , pages 180–182 ( 1978 ) Cite this article

    Get Price
  • AIR-FLOW Handy 3.0

    2021-8-26 · Mobile and flexible: the AIR-FLOW ® HANDY 3.0 PREMIUM is built from the highest engineering and know-how, with a sleek design and lightweight body for optimal comfort & handling. Being the fruit of EMS’ research center in Switzerland and the first device of its kind, the AIRFLOW ® HANDY 3.0 PREMIUM can be quickly integrated into any dental chair unit and meets the most …

    Get Price
  • EFFECTS OF CLOGGING, ARGON INJECTION AND

    2000-9-7 · AND CONTINUOUS CASTING CONDITIONS ON FLOW AND AIR ASPIRATION IN SUBMERGED ENTRY NOZZLES Hua Bai and Brian G. Thomas Hua Bai, Senior research engineer, is with the Dow Chemical Company, 2301 N. Brazosport Blvd., Freeport, TX 77541, and Brian G. Thomas, Professor, is with the Department of

    Get Price
  • Filament & Industrial Yarn Testing - Yarn Intermingling or ...

    At least one full doff of one texturing machine can be dyed at once. As sample PES yarn 167fxx dtex 2 knitted houses each 24 m long. 2.Short Dyeing Time: One batch PES yarn dyeing, even distribution, cooling and washing within 2 hours. 3.Optimal Jet Pulsation provide the goods with a maximum pulls flow at the knitted tube. 4.

    Get Price
  • ITMA Preview Part 4 (continued) – TextileFuture

    2019-6-13 · ITMA Preview Part 4 (continued) – TextileFuture. We continue our series on the ITMA Barcelona preview with various selected textile machinery manufacturers, and textile chemicals, colorants and additives companies, as well as printing firms from different countries, and in alphabetic order.

    Get Price
  • Filament & Industrial Yarn Testing - Yarn Intermingling or ...

    At least one full doff of one texturing machine can be dyed at once. As sample PES yarn 167fxx dtex 2 knitted houses each 24 m long. 2.Short Dyeing Time: One batch PES yarn dyeing, even distribution, cooling and washing within 2 hours. 3.Optimal Jet Pulsation provide the goods with a maximum pulls flow at the knitted tube. 4.

    Get Price
  • Frontiers

    2020-7-2 · Building envelopes separate the confined interior world engineered for human comfort and indoor activity from the exterior world with its uncontainable climatic forces and man-made immission. In the future, active, sustainable and lightweight building skins are needed to serve as an adaptive interface to govern the building-physical interactions between these two worlds.

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  • Micro total analysis systems: fundamental advances and ...

    2013-12-13 · It has been more than 20 years since the first micro total analysis systems (μTAS) papers were published. Initial reports of these devices, which are also commonly referred to as Labs-on-a-Chip (LOC), LabChips, microchips or microfluidic devices, generally focused on separations and the development of a variety of functional elements for sample manipulation and handling.

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  • 3. Materials Science and Engineering as a Multidiscipline ...

    MSE has become a basic instrument in bringing about technological changes. Discoveries of new materials and improvements to old ones—all undergirded by deeper understanding of the intimate relations between the processing, composition, and structure of materials on the one hand, together with their properties and function on the other—lead repeatedly to higher performance and efficiency in ...

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  • Item Maintenance Crosswalk

    YARN, MOP HEAD, COTTON 014090 YARN, MOP HEAD, SYNTHETIC 11151700 Yarns 11151709 Synthetic yarn ... AIR FLOW METERS 003110 AIR PURIFIERS, ACCESSORIES AND 40161600 Purification 40160000 Industrial filtering and purification ... DIRECT PRINT SUPPLIES, DRY PRO 03052128 FILM, DIRECT PRINT, PHOTOCOLOR 030525 DISTANCE MEASURING EQUIPMENT

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  • 16290205.pdf

    2019-3-12 · Scribd es el sitio social de lectura y editoriales más grande del mundo.

    Get Price
  • Chapter 84 - T2017

    Air or vacuum pumps, air or other gas compressors and fans; ventilating or recycling hoods incorporating a fan, whether or not fitted with filters. - Other : 8414.80.10: 00: Air or vacuum pumps, air or other gas compressors and fans; ventilating or recycling hoods incorporating a fan, whether or not fitted with filters.

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  • Chapter wise GST rate Schedule for Goods decided in the ...

    2. 7202 Ferroalloys. 3. 7203 Ferrous products obtained by direct reduction of iron ore and other spongy ferrous products, in lumps, pellets or similar forms; iron having a minimum purity by weight of 99.94%, in lumps, pellets or similar forms 4. 7204 Ferrous waste and scrap; remelting scrap ingots of iron or steel. 5.

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  • مسعود لطیفی - دانشگاه صنعتی امیرکبیر

    2021-8-2 · Mahdi Yoosefzad, Masoud Latifi, 'Direct yarn formation from electro spun CNT/PAN composite naon fiber ', 2nd International Congress on Nanoscience & Nanotechnology, October 2008 189 Maryam Yousefzadeh, Masoud Latifi, Mohammad Amani Tehran, 'Direct yarn formation from electro spun CNT PAN composite nano fiber ', 2nd International Congress on Nanoscience & …

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  • فروش مجموعه کامل کتابهای مهندسی بیش از 22000 کتاب

    2020-1-6 · فروش مجموعه کامل کتابهای مهندسی بیش از 22000 کتاب بهترین و کاربردی ترین کتابهای مهندسی در این مجموعه گنجانده شده است.

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