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Relevant bibliographies by topics / Jet spinning

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Academic literature on the topic 'Jet spinning'

Author: Grafiati

Published: 4 June 2021

Last updated: 8 February 2022

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Journal articles on the topic "Jet spinning"

1

MASUI, TOSHITSUGU, TAKAYUKI OKAWA, and KOZO TOMIITA. "Air Jet Spinning." Sen'i Gakkaishi 49, no. 7 (1993): P256—P262. http://dx.doi.org/10.2115/fiber.49.7_p256.

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Wang, Xiu Zhi. "The Preliminary Study on Air-Jet Spinning Spun." Applied Mechanics and Materials 138-139 (November 2011): 1294–95. http://dx.doi.org/10.4028/www.scientific.net/amm.138-139.1294.

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Air-jet spinning combines the advantages of the false twist jet spinning and open end spinning. This paper discusses the property of the air-jet spinning and the main structural factors affecting air-jet spinning yarn strength.

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Han, Chenchen, Wenliang Xue, Longdi Cheng, and Zhuanyong Zou. "Theoretical analysis of the yarn fracture mechanism of self-twist jet vortex spinning." Textile Research Journal 87, no. 11 (August 4, 2016): 1394–402. http://dx.doi.org/10.1177/0040517516652352.

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According to the yarn mechanism of self-twist jet vortex spinning, this article analyzes the structure and the fracture mechanism of self-twist jet vortex spinning yarn. Combined with experiments, this article established that the fiber in self-twist jet vortex spun yarn has self-twist, which increases the mutual contact area and the cohesion between the fibers in the yarn. This is helpful to improve the evenness and tensile properties of jet vortex spun yarn. The self-twist jet vortex spinning can keep the high spinning speed of the jet vortex spinning at the same time. The research on self-twist jet vortex spinning lays the foundation for the research and the development of jet vortex spinning.

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Wang, Xungai, Menghe Miao, and Yanlai How. "Studies of JetRing Spinning Part I: Reducing Yarn Hairiness with the JetRing." Textile Research Journal 67, no. 4 (April 1997): 253–58. http://dx.doi.org/10.1177/004051759706700403.

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This paper introduces the concept of JetRing spinning, a new spinning technique that incorporates features of both ring and air-jet spinning systems. In JetRing spinning, a single air jet is used below the yarn-forming zone of a conventional ring spinning system; this jet acts in a way similar to the first jet in air-jet spinning. The swirling air currents in the jet wind the protruding fibers around the yarn body, thus reducing yarn hairiness. The air pressure applied to the jet in this study is 0.5 bar, which is much lower than the air pressure used in air-jet spinning. To evaluate the performance of JetRing spinning, ring spun and JetRing spun worsted yarns of 56 tex are tested for hairiness, tensile properties, and yarn evenness. The hairiness results from the Zweigle hairiness meter show that the JetRing spun yarn has much lower numbers of hairs than the ring spun yarn in almost all the hair length groups. The total number of hairs exceeding 3 mm ( i.e., the S3 value) for the JetRing spun yarn is nearly 40% less than that of the ring spun yarn, while both yarn types show little difference in evenness and tensile properties.

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HÜSEYİN GAZ, TÜRKSOY, AKKAYA TUĞBA, VURUŞKAN DENİZ, and ÜSTÜNTAĞ SÜMEYYE. "A comparative analysis of air-jet yarn properties with the properties of ring spun yarns." Industria Textila 69, no. 01 (March 1, 2018): 11–16. http://dx.doi.org/10.35530/it.069.01.1419.

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Ring spinning is the most common method used among the short staple fibers spinning methods. Due to limitations of the production speed in the ring spinning, new spinning methods become more popular with each passing day. Air-jet spinning systems gathered attention with their market share in the new spinning methods. In this study, the properties of the air-jet yarns were comparatively analyzed with the properties of the equivalent Ring yarns, for both single and ply-twisted forms. It was found that the Rieter and Murata air-jet yarns do not show significant differences in terms of physical properties of yarns. Due to their special structure, air-jet yarns show lower hairiness and tenacity values when compared to the equivalent Ring yarns.

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6

El-Sayed, Hosam, Claudia Vineis, Alessio Varesano, Salwa Mowafi, Riccardo Andrea Carletto, Cinzia Tonetti, and Marwa Abou Taleb. "A critique on multi-jet electrospinning: State of the art and future outlook." Nanotechnology Reviews 8, no. 1 (November 12, 2019): 236–45. http://dx.doi.org/10.1515/ntrev-2019-0022.

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Abstract This review is devoted to discuss the unique characteristics of multi-jet electrospinning technique, compared to other spinning techniques, and its utilization in spinning of natural as well as synthetic polymers. The advantages and inadequacies of the current commercial chemical spinning methods; namely wet spinning, melt spinning, dry spinning, and electrospinning are discussed. The unconventional applications of electrospinning in textile and non-textile sectors are reported. Special emphasis is devoted to the theory and technology of the multijet electrospinning as well as its applications. The current status of multi-jet electrospining and future prospects are outlined. Using multi-jet electrospinning technique, various polymers have been electrospun into uniform blend nanofibrous mats with good dispersibility. In addition to the principle of multi-jet electro electrospinning, the different devices used for this technique are also highlighted.

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Basu, A. "PROGRESS IN AIR-JET SPINNING." Textile Progress 29, no. 3 (September 1999): 1–38. http://dx.doi.org/10.1080/00405169908688877.

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Liu, Hong-Yan, Zhi-Min Li, Yan-Ju Yao, and Frank Ko. "Analytical modelling of dry-jet wet spinning." Thermal Science 21, no. 4 (2017): 1807–12. http://dx.doi.org/10.2298/tsci160110072l.

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This paper introduces an analytical method for the analysis and design of a dry-jet wet spinning system. The 1-D mass conservation equation is used, and velocity distribution is assumed to derive a simple relationship among various spinning parameters. The effect of spinneret mass flow rate, solution density, spinneret structure including velocity and air-gap length, and drawing velocity on the dry-jet wet spinning was simulated using the proposed analytical model. Theoretical prediction of fiber diameter is obtained, which depends upon spinning conditions, solution properties, and spinneret structure. The theoretical results were verified by comparing experimental data with the numerical solution. It was found obviously that the theoretical prediction has comparable accuracy as that by numerical computation. The analytical model can be useful for preliminary design of a spinning process for fabrication of fibers with controllable diameter by adjusting parameters in spinning conditions.

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Sawhney, A. P. S., and L. B. Kimmel. "Air and Ring Combination in Tandem Spinning." Textile Research Journal 67, no. 3 (March 1997): 217–23. http://dx.doi.org/10.1177/004051759706700310.

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With the objective of boosting ring spinning productivity, a new tandem spinning system combining air-jet and ring spinning technologies in continuous tandem is investigated. In this “air-plus-ring” tandem spinning system, a drafted roving strand as it emerges from the front roller nip feeds into a single- or dual-jet air nozzle where it is subjected to a vortex of compressed air, producing a pneumatically entangled, false-twisted, partially strengthened strand. This so-called prefabricated, air-bolstered strand continuously feeds into a standard ring spinning zone and is ultimately spun into a novel, single-component yarn. By spinning a few cotton and cotton-blend yarns with the lowest practical twist levels possible on both the tandem and conventional ring spinning systems, we show that a tandem spun yarn can be produced with a relatively lower (true ring) twist level than a pure ring spun yarn. To an extent, the tandem spinning's air-bolstering action reinforces the drafted fibrous strand, contributing to yarn formation and hence character. Since ring spinning productivity is inversely proportional to yarn twist level, the relatively lower twist level required in tandem spinning allows a proportionately higher yarn production speed (in some cases, up to 50% faster than the conventional ring spinning), while maintaining spindle speed at the traditional, optimum level imposed by the limiting traveler speed. Tandem spun yarns, however, are somewhat different from, and generally weaker than, conventional ring spun yarns. This paper briefly describes a prototype of the new tandem spinning system developed on a laboratory Spintester, and shows spinning parameters and properties of a few yarns produced on both the tandem arid conventional ring spinning systems, each employing the traditional (maximum) optimum spindle speed of 10,000 rpm for a given 5.0 cm (2 inch) diameter ring.

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Liu, Yong, Zhao Xiang Liu, Liang Deng, Ke Jian Wang, and Wei Min Yang. "Effect of Different Factors on Falling Process of Melt Electrospinning Jet." Materials Science Forum 745-746 (February 2013): 407–11. http://dx.doi.org/10.4028/www.scientific.net/msf.745-746.407.

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The falling process of melt electrospinning jet is different from those of solution electrospinning in which there is apparent solvent volatilization. In order to study the factors influencing on the forming process of fibers in melt electrospinning, dropping process of fibers is recorded and analyzed via high speed video camera in the article. Results showed that there was an optimal spinning temperature for melt electrospinning of the polymer; the greater the voltage was, the more obvious stretching action on jet was. However, the voltage did not exceed a certain value, because there was a spinnable voltage limit corresponding to every receiving distance. When the spinning distance was generally short, the jet swinging radius decreased with increasing spinning distance; when the spinning distance was long, the jet was subject to the influence of the environment temperature easily. The changes of viscosity had dominant influence on the motion of jet.

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Dissertations / Theses on the topic "Jet spinning"

1

Rajamanickam, Rangaswamy. "Studies on fiber-process-structure-property relationships in air-jet spinning." Thesis, Georgia Institute of Technology, 1996. http://hdl.handle.net/1853/8661.

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Baqui, M. Abdul. "A study of the properties and the structure of long-staple air-jet wrap-spun yarn." Thesis, University of Manchester, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329493.

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3

Jíša, Martin. "Konstrukce brzdičky příze s mechanickým přidržováním stroje Air-Jet." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2016. http://www.nusl.cz/ntk/nusl-241705.

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This diploma thesis describes methods of textile fibers treatment, production levels with detailed focus on spinning process especially by Rieter AG in Winterthur, Switzerland, subsidiary company in Usti nad Orlici. Thesis also describes production materials and it’s behavior in relations to production machines. Analysis of the current solution, it’s pros and cons is also done. Setting of requirements of new solution. Creating proposals of design solutions of yarn keeper with mechanic clamp situated on spinning unit on Air-Jet machine. Creating concepts and proposal schemes. After choosing of best possible solution considering production costs, electric consumption during working machine and during active cycle was this variation produce. At the end is review of complete solution and prospective next steps in testing not only in laboratory and prospects of using in field.

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Chasmawala, Rasesh Jayantilal. "Studies on the effect of spinning parameters on the structure and properties of air jet spun yarns." Thesis, Georgia Institute of Technology, 1987. http://hdl.handle.net/1853/8481.

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GHOSH, MONOJ. "Fabrication of Inorganic Oxide Nanofibers Using Gas Jet Fiber Spinning Process and Their Applications in Photocatalytic Oxidation." University of Akron / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=akron1478726324293037.

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Lallave-Cortes, Jorge C. "Numerical heat transfer during partially-confined, confined, and free liquid jet impingement with rotation and chemical mechanical planarization process modeling." [Tampa, Fla] : University of South Florida, 2009. http://purl.fcla.edu/usf/dc/et/SFE0002968.

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François, Sébastien. "Optimisation de la structure textile des prothèses vasculaires pour un développement en monocouche des cellules endotheliales." Phd thesis, Université de Haute Alsace - Mulhouse, 2009. http://tel.archives-ouvertes.fr/tel-00590477.

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Les prothèses vasculaires textiles en polyéthylène téréphtalate (PET) présentent souvent des occlusions après implantation pour les petits diamètres (6-8mm) car la surface des prothèses est peu hémocompatible. Or, l'hémocompatibilité des prothèses serait largement améliorée si ces dernières se recouvraient d'une couche de cellules endothéliales qui tapissent naturellement les vaisseaux sanguins. Ce projet vise à mettre en évidence que les textiles bruts ne sont pas un support viable pour le développement de ces cellules endothéliales, puis propose de remplacer les matrices protéiniques par un recouvrement synthétique. Pour ce faire, de l'acide poly-L-lactique (PLA) solubilisé a été filé sous forme de nanofibres déposées sur la surface luminale de la prothèse. L'étirage par jet d'air a été caractérisé selon un modèle plan, puis adapté à la fon11e tubulaire des prothèses. Les nanofibres ont été évaluées sur le plan de la cytocompatibilité, de l'adhérence et de la prolifération avec un modèle de cellules endothéliales animales. Ce travail vise aussi à optimiser l'adhérence de ces fibres sur le PET par l'emploi d'une technique de modification de surface par plasma. Les résultats montrent qu'il est possible de produire des nanofibres de PLA et de contrôler leur diamètre, et de sceller la paroi de la prothèse textile. Enfin, les cellules endothéliales prolifèrent en monocouche sur des prothèses recouve1tes de nanofibres. Il est possible d'optimiser l'adhérence des nanofibres sur le PET avec un traitement par plasma. En conclusion nous avons proposé une alternative à l'enduction traditionnelle des prothèses permettant la prolifération en monocouche des cellules endothéliales.

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Andersson, Sofia. "Influence of metal ions on lignin-based carbon fiber quality." Thesis, Luleå tekniska universitet, Industriell miljö- och processteknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-65971.

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Carbon fiber is a lightweight, versatile material with many current and potential applications. To be able to expand the market for carbon fiber composites in other areas than special applications the production costs must be reduced. One way of accomplishing this could be to use a less expensive raw material where lignin is a good example as it can be provided at lower cost, is renewable and abundantly available compared to commercially used raw materials today. So far, the mechanical properties of lignin-based carbon fibers are inferior relative to commercial carbon fibers. For lignin-based carbon fibers to enter the commercial market more research is necessary to gain knowledge of the conversion of lignin to carbon fiber. The LightFibre project investigates the possibilities to produce carbon fibers based on a mixture of softwood kraft lignin and cellulose. The kraft lignin is isolated from black liquor in the kraft/sulfate process with the LignoBoost process. This master thesis project was conducted within in the LightFibre project and evaluated whether metal ions generally present in kraft lignin had an influence on the final carbon fiber quality in terms of mechanical properties and morphology. The mechanical properties were determined with tensile testing, the morphology by scanning electron microscopy (SEM) and the relative abundance of studied elements with electron dispersive spectroscopy (EDS). The influence of the chosen metal ions was tested by impregnation of dry-jet wet spun prefibers based on 70 wt.% softwood kraft lignin and 30 wt.% dissolving pulp cellulose. The fibers were impregnated in room temperature with solutions containing Na2SO4, K2SO4, MgSO4, FeSO4 and Al2(SO4)3 salts where the cations were the focus in these trials. The concentrations used for impregnation were 0.2 and 1M of the cations. The obtained mechanical properties of the carbon fibers of the samples impregnated with different metal ions did not deviate significantly from the reference which had a tensile strength of 870 MPa and tensile modulus of 68 GPa. The analysis of morphology with SEM showed no defects or damage of any of the fibers. Therefore, it was concluded that the impregnated metal ions: K+, Na+, Al3+, Mg2+ and Fe2+ at the obtained levels in the fibers cause no effects on the fibers during the stabilization and carbonization that affects the mechanical performance of final carbon fiber. The amount of potassium in one of the samples was estimated to 0.1 wt.%. From the results of this study it may be suggested that the general recommendation of <0.1 wt.% ash in lignin can be exceeded, for dry-jet wet-spun kraft lignin/cellulose-based carbon fibers.

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Miao, Menghe. "The insertion of twist into yarns by means of air-jets." Thesis, University of Leeds, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329209.

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Bengtsson, Andreas. "Carbon fibres from lignin-cellulose precursors." Licentiate thesis, KTH, Träkemi och massateknologi, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-244756.

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It is in the nature of the human species to find solutions of complex technical problems and always strive for improvements. The development of new materials is not an exception. One of the many man-made materials is carbon fibre (CF). Its excellent mechanical properties and low density have made it attractive as the reinforcing agent in lightweight composites. However, the high price of CF originating from expensive production is currently limiting CF from wider utilisation, e.g. in the automotive sector. The dominating raw material used in CF production is petroleum-based polyacrylonitrile (PAN). The usage of fossil-based precursors and the high price of CF explain the strong driving force of finding cheaper and renewable alternatives. Lignin and cellulose are renewable macromolecules available in high quantities. The high carbon content of lignin is an excellent property, while its structural heterogeneity yields in CF with poor mechanical properties. In contrast, cellulose has a beneficial molecular orientation, while its low carbon content gives a low processing yield and thus elevates processing costs. This work shows that several challenges associated with CF processing of each macromolecule can be mastered by co-processing. Dry-jet wet spun precursor fibres (PFs) made of blends of softwood kraft lignin and kraft pulps were converted into CF. The corresponding CFs demonstrated significant improvement in processing yield with negligible loss in mechanical properties relative to cellulose-derived CFs. Unfractionated softwood kraft lignin and paper grade kraft pulp performed as good as more expensive retentate lignins and dissolving grade kraft pulp, which is beneficial from an economic point of view. The stabilisation stage is considered the most time-consuming step in CF manufacturing. Here it was shown that the PFs could be oxidatively stabilised in less than 2 h or instantly carbonised without any fibre fusion, suggesting a time-efficient processing route. It was demonstrated that PF impregnation with ammonium dihydrogen phosphate significantly improves the yield but at the expense of mechanical properties. A reduction in fibre diameter was beneficial for the mechanical properties of the CFs made from unfractionated softwood kraft lignin and paper grade kraft pulp. Short oxidative stabilisation (<2 h) of thin PFs ultimately provided CFs with tensile modulus and strength of 76 GPa and 1070 MPa, respectively. Considering the high yield (39 wt%), short stabilisation time and promising mechanical properties, the concept of preparing CF from lignin:cellulose blends is a very promising route.
Det ligger i människans natur att hitta lösningar på komplexa tekniska problem, samt att alltid sträva efter förbättringar. Utvecklingen av nya material är inget undantag. Ett av flera material utvecklade av människan är kolfiber. Dess utmärkta mekaniska egenskaper samt låga densitet har gjort det attraktivt som förstärkningsmaterial i lättviktskompositer. Det höga priset på kolfiber, vilket härstammar ur en kostsam framställningsprocess, har förhindrat en mer utbredd användning i exempelvis bilindustrin. Det dominerande råmaterialet för kolfiberframställning är petroleumbaserad polyacrylonitril (PAN). Användandet av fossila råvaror och det höga priset på kolfiber förklarar den starka drivkraften att hitta billigare och förnyelsebara alternativ. Lignin och cellulosa är förnyelsebara makromolekyler som finns tillgängliga i stora kvantiteter. Det höga kolinnehållet i lignin gör det mycket attraktivt som råvara för kolfiberframställning, men dess heterogena struktur ger en kolfiber med otillräckliga mekaniska egenskaper. Däremot har cellulosa en molekylär orientering som är önskvärd vid framställning av kolfiber, men dess låga kolinehåll ger ett lågt processutbyte som i sin tur bidrar till höga produktionskostnader. Det här arbetet visar att många av de problem som uppstår med kolfiber från respektive råvara kan kringgås genom att utgå från blandningar av desamma. Prekursorfibrer från blandningar av kraftlignin och kraftmassa från barrved tillverkade med luftgapsspinning konverterades till kolfiber. Utbytet för kolfibrerna som framställdes var mycket högre än vid framställning från endast cellulosa. Ofraktionerat barrvedslignin och kraftmassa av papperskvalitet presterade lika bra som de dyrare retentatligninen och dissolvingmassan, vilket är fördelaktigt ur ett ekonomiskt perspektiv. Stabilisering är det mest tidskrävande processteget i kolfibertillverkning. I det här arbetet visades det att prekursorfibrerna kunde stabiliseras på kortare än två timmar, eller direktkarboniseras utan någon sammansmältning av fibrerna. Detta indikerar att en tidseffektiv produktion kan vara möjligt. Impregnering av prekursorfibrerna med ammoniumdivätefosfat ökade utbytet avsevärt, men med lägre mekaniska egenskaper som bieffekt. Kolfibrernas mekaniska egenskaper ökade vid en diameterreduktion. En kort oxidativ stabilisering under två timmar i kombination med tunna prekursorfibrer gav kolfiber med en elasticitetsmodul på 76 GPa och dragstyrka på 1070 MPa. Att göra kolfiber från blandningar av lignin och cellulosa är ett lovande koncept om det höga utbytet (39%), den korta stabiliseringstiden samt de lovande mekaniska egenskaperna tas i beaktande.

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Books on the topic "Jet spinning"

1

Basu, A. Progress in air-jet spinning: A critical appreciation of recent developments. Manchester: Textile Institute, 1999.

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ITWM, Kaiserslautern Fraunhofer, and Manuel Wieland. On Modeling and Simulation of Industrial Fiber Spinning Processes : Diffusive Effects, Electrified Jets and Turbulent Airflows: Diffusive Effects, Electrified Jets and Turbulent Airflows. Fraunhofer IRB Verlag, 2020.

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Book chapters on the topic "Jet spinning"

1

Gooch, Jan W. "Jet Spinning." In Encyclopedic Dictionary of Polymers, 407. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_6593.

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Gooch, Jan W. "Air Jet Spinning." In Encyclopedic Dictionary of Polymers, 24. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_358.

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Meco, H., and Ralph E. Napolitano. "Upper-Bound Velocity Limit for Free-Jet Melt Spinning." In Materials Science Forum, 3371–76. Stafa: Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-960-1.3371.

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Eggers, Jens, and Michael P. Brenner. "Spinning Jets." In Fluid Mechanics and Its Applications, 185–93. Dordrecht: Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-017-1996-4_17.

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Narayan, Ramesh, Jeffrey E. McClintock, and Alexander Tchekhovskoy. "Energy Extraction from Spinning Black Holes Via Relativistic Jets." In General Relativity, Cosmology and Astrophysics, 523–35. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-06349-2_25.

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"Jet spinning." In Encyclopedic Dictionary of Polymers, 548. New York, NY: Springer New York, 2007. http://dx.doi.org/10.1007/978-0-387-30160-0_6484.

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"Air jet spinning." In Encyclopedic Dictionary of Polymers, 34. New York, NY: Springer New York, 2006. http://dx.doi.org/10.1007/978-0-387-30160-0_347.

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8

Angelova, R. A. "Air-jet spinning." In Advances in Yarn Spinning Technology, 315–44. Elsevier, 2010. http://dx.doi.org/10.1533/9780857090218.2.315.

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"Time-Accurate Simulations of Synthetic Jet-Based Flow Control for a Spinning Projectile." In Applications of Circulation Control Technology, 579–98. Reston ,VA: American Institute of Aeronautics and Astronautics, 2006. http://dx.doi.org/10.2514/5.9781600866838.0579.0598.

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Sista, Deepthi. "New Perspective of Nano Fibers: Synthesis and Applications." In Nanofibers - Synthesis, Properties and Applications. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.97460.

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Nano fibers are most attractive materials in the scientific world due to their enormous applications in various fields. Their applications start with generation of energy, solution to environmental problems and continues with medical field and many more. Nano materials got much importance from their peculiar electrical, optical, mechanical and thermal properties. Fibrous materials are obtained from several sources and by different mechanisms these materials are converted into nano materials. As of bulk fibers include specific properties compared to other materials, the generation of nano fibers enhance all the properties. The synthesis of nano fibers from natural and synthetic polymers, metals, semiconductors, composite materials, carbon based materials lead to new perspective in science and engineering fields. Most pronouncing techniques that include conventional and modern methods are available to fabricate nano fibers from these materials. Of them some are being used from a long time and some are emerging techniques to generate flexible substrates. Electrospinning, template based synthesis, polymerization, self-assembly, sonochemical synthesis are the conventional methods for the production of nano fibers. New technologies include electro hydrodynamic writing, plasma induced synthesis, centrifugal jet spinning, CO2 laser supersonic marks a trend in development of nano fibrous materials. This chapter give details about fabrication materials and provides synthetic routes to generate them along with applications. Also this chapter focuses on the challenges in development of nano fiber technology in commercial perspective.

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Conference papers on the topic "Jet spinning"

1

Sinatra, Nina R., Johan U. Lind, and Kevin Kit Parker. "Fabricating multi-material nanofabrics using rotary jet spinning." In 2017 IEEE 17th International Conference on Nanotechnology (IEEE-NANO). IEEE, 2017. http://dx.doi.org/10.1109/nano.2017.8117499.

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2

Lallave, Jorge, and Muhammad Rahman. "Cooling of a Spinning Disk by Confined Liquid Jet Impingement." In 3rd International Energy Conversion Engineering Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2005. http://dx.doi.org/10.2514/6.2005-5681.

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SCHIRING, E. "Jet damping dynamics for a spinning vehicle with transverse maneuvermotor thrust." In Astrodynamics Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1986. http://dx.doi.org/10.2514/6.1986-2022.

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"PCL / PEO composite Nanofiber Manufacturing Technology using Air Jet Spinning method." In International Conference Recent treads in Engineering & Technology. International Institute of Engineers, 2014. http://dx.doi.org/10.15242/iie.e0214517.

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Sahu, Jubaraj. "Unsteady CFD Modeling of Aerodynamic Flow Control over a Spinning Body with Synthetic Jet." In 42nd AIAA Aerospace Sciences Meeting and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2004. http://dx.doi.org/10.2514/6.2004-747.

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6

Lengaigne, Jacques, Jason Gunther, James T. Teasdale, Valérie Toupin-Guay, Martine Dubé, and Ilyass Tabiai. "Polypropylene Microfiber Extrusion By Hot Melt Rotary Jet Spinning For Non-Woven Membrane Manufacturing." In Canadian Society for Mechanical Engineering International Congress (2021 : Charlottetown, PE). Charlottetown, P.E.I.: University of Prince Edward Island. Robertson Library, 2021. http://dx.doi.org/10.32393/csme.2021.97.

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7

"A Study of Binding Properties of Tissue Engineering Scaffold Nylon6 Nanofiber using Air Jet Spinning Method." In International Conference Recent treads in Engineering & Technology. International Institute of Engineers, 2014. http://dx.doi.org/10.15242/iie.e0214520.

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8

Xu, Weiheng, Dharneedar Ravichandran, Sayli Jambhulkar, Yuxiang Zhu, and Kenan Song. "Fabrication of Multilayered Polymer Composite Fibers for Enhanced Functionalities." In ASME 2021 16th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/msec2021-64039.

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Abstract Carbon nanoparticles-based polymer composites have wide applications across different fields for their unique functional properties, durability, and chemical stability. When combining nanoparticle morphologies with micro- or macro-scale morphologies, the hierarchal structure often would greatly enhance the composites’ functionalities. Here in this work, a thermoplastic polyurethane (TPU) and graphene nanoplatelets (GnPs) based multilayered fiber is fabricated through the combination of dry-jet-wet spinning, based on an in-house designed spinneret which accommodates three layers spinning solution, and hot isostatic pressing (HIP), at 220 °C. The multilayered spinneret enables the spinnability of a high GnPs loaded spinning dope, highly elastic, with great mechanical strength, elongation, and flexibility. The HIP process resulted in superior electrical properties as well as a newly emerged fourth hollow layer. Together, such a scalable fabrication method promotes a piezoresistive sensor that is sensitive to uniaxial strain and radial air pressure. The hollow fiber is characterized based on surface morphologies, layer formation, percolation threshold, piezoresistive gauge factor, mechanical stability and reversibility, and air-pressure sensitivity and reversibility. Such facile fabrication methods and unique structures have combined the mechanically robust outer shell with a highly conductive middle sensing layer for a new sensor with great potentials in wearable, robotics, biomedical, and other areas.

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9

Lallave, Jorge, and Muhammad M. Rahman. "Thermal Transport From a Rotating Disk During Partially Confined Liquid Jet Impingement." In ASME 2007 Energy Sustainability Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/es2007-36188.

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This paper presents a numerical study that characterizes the conjugate heat transfer results of a semi–confined liquid jet impingement on a uniformly heated spinning solid disk of finite thickness and radius. The model covers the entire fluid region including the impinging jet on a flat circular disk and flow spreading out downstream under the confined insulated wall that ultimately gets exposed to a free surface boundary condition. The solution is made under steady state and laminar conditions. The model examines how the heat transfer is affected by adding a secondary rotational flow under semi-confined jet impingement. The study considered various standard materials, namely aluminum, copper, silver, Constantan and silicon; covering a range of flow Reynolds number (220–900), under a broad rotational rate range from 0 to 750 rpm, or Ekman number (7.08×10−5 – ∞), nozzle to target spacing (β = 0.25 – 1.0), disk thicknesses to nozzle diameter ratio (b/dn = 0.25 – 1.67), Prandtl number (1.29 – 124.44) using ammonia (NH3), water (H2O), flouroinert (FC-77) and oil (MIL-7808) as working fluids and solid to fluid thermal conductivity ratio (36.91 – 2222). High thermal conductivity plate materials maintained more uniform and lower interface temperature distributions. Higher Reynolds number increased local heat transfer coefficient reducing the interface temperature difference over the entire wall. Rotational rate increases local heat transfer coefficient under most conditions. These findings are important for the design improvement and control of semi-confined liquid jet impingement under a secondary rotation induced motion.

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10

Jana, Anirban, and Arvind Raman. "Nonlinear Dynamics of a Flexible Spinning Disc Subjected to Combined External and Parametric Excitation." In ASME 2001 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/detc2001/vib-21575.

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Abstract This paper analyzes the nonlinear transverse vibrations of a clamped-free, uniform, flexible, annular disc, spinning about its axis with a constant angular velocity, and subjected to transverse loading from a pre-compressed spring. This is representative of a large class of loadings in rotating disc systems including air jet and electromagnetic excitation. Such loading can induce a simultaneous critical speed resonance and parametric instability. The disc is modelled by the Von Karman field equations, which are then discretized by a Galerkin projection onto a pair of 1-1 internally resonant modes. First order averaging is used to predict the dynamics of the forward and backward travelling waves (FTW and BTW). Equilibrium branches of the BTW amplitude and phase equations and their stability are studied for various combinations of parameters. The response is substantially different from that arising from a critical speed resonance or of a parametric instability alone. As many as five equilibrium solutions can coexist. Two distinct regimes of large amplitude response appear to exist depending on the relationship between the strength of the parametric excitation and the damping. The existence of these regimes underscores the subtle competition between critical speed resonance and parametric instability in such systems.

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Reports on the topic "Jet spinning"

1

Reneker, Darrell. Nanofiber Production by Gas Jet Spinning Method of Chemical Protective Clothing. Fort Belvoir, VA: Defense Technical Information Center, January 2003. http://dx.doi.org/10.21236/ada435774.

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2

Sahu, Jubaraj. Time-Accurate Simulations of Synthetic Jet-Based Flow Control for An Axisymmetric Spinning Body. Fort Belvoir, VA: Defense Technical Information Center, September 2004. http://dx.doi.org/10.21236/ada426557.

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