Modular Jet-Ring Yarn Spinning System
In this study, a modular nozzle design was developed in which the twist chamber diameter, injector diameter, injector angle and the number of injectors of the nozzle can be optionally changed without the need of conventional manufacturing methods. The developed modular nozzle was compared with conve...
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| Format: | Article |
| Language: | English |
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University of Ljubljana Press (Založba Univerze v Ljubljani)
2020-06-01
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| Series: | Tekstilec |
| Subjects: | |
| Online Access: | http://www.tekstilec.si/wp-content/uploads/2020/06/10.14502Tekstilec2020.63.80-93.pdf |
| _version_ | 1797723911647920128 |
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| author | Ekrem Gulsevincler Mustafa Resit Usal Demet Yilmaz |
| author_facet | Ekrem Gulsevincler Mustafa Resit Usal Demet Yilmaz |
| author_sort | Ekrem Gulsevincler |
| collection | DOAJ |
| description | In this study, a modular nozzle design was developed in which the twist chamber diameter, injector diameter, injector angle and the number of injectors of the nozzle can be optionally changed without the need of conventional manufacturing methods. The developed modular nozzle was compared with conventional nozzles taking into account both experimental and numerical analysis results. Experimental performance tests were conducted on the yarn quality achieved using air twist, which is the subject of the application of the nozzle. In the experimental study, conventional nozzles with the same structural configurations were produced to determine modular nozzle performance. In all jet-ring yarn productions, the air pressure was set at two different values: 75 kPa and 125 kPa (gauge). Yarn hairiness, irregularity and imperfection tests were carried out using an Uster Tester 3. Tensile properties (percentage of elongation and tenacity measured as cN/tex) tests were carried out using an Uster Tensorapid. In the numerical analysis, an Ansys CFX 18.0 computational fl uid dynamics program was used for both conventional nozzle and modular nozzle configurations. All parametric study configurations were set separately using an SST turbulence model. Comparing the fl ow parameters of yarn hairiness (CFD analysis), it was found that increasing vorticity or helicity
real eigen values reduced yarn hairiness. |
| first_indexed | 2024-03-12T10:09:35Z |
| format | Article |
| id | doaj.art-7a02dc7e13d54c168d14c9350dc02700 |
| institution | Directory Open Access Journal |
| issn | 0351-3386 2350-3696 |
| language | English |
| last_indexed | 2024-03-12T10:09:35Z |
| publishDate | 2020-06-01 |
| publisher | University of Ljubljana Press (Založba Univerze v Ljubljani) |
| record_format | Article |
| series | Tekstilec |
| spelling | doaj.art-7a02dc7e13d54c168d14c9350dc027002023-09-02T10:59:35ZengUniversity of Ljubljana Press (Založba Univerze v Ljubljani)Tekstilec0351-33862350-36962020-06-01632809310.14502/Tekstilec2020.63.80-93Modular Jet-Ring Yarn Spinning SystemEkrem Gulsevincler0Mustafa Resit Usal1Demet Yilmaz2Kastamonu University, Electric and Energy Department, Abana Sabahat Mesut Yilmaz Vocational School, 37970 Kastamonu, TurkeySuleyman Demirel University, Department of Mechanical Engineering, Faculty of Engineering, 32260 Isparta, TurkeySuleyman Demirel University, Department of Textile Engineering, Faculty of Engineering, 32260 Isparta, TurkeyIn this study, a modular nozzle design was developed in which the twist chamber diameter, injector diameter, injector angle and the number of injectors of the nozzle can be optionally changed without the need of conventional manufacturing methods. The developed modular nozzle was compared with conventional nozzles taking into account both experimental and numerical analysis results. Experimental performance tests were conducted on the yarn quality achieved using air twist, which is the subject of the application of the nozzle. In the experimental study, conventional nozzles with the same structural configurations were produced to determine modular nozzle performance. In all jet-ring yarn productions, the air pressure was set at two different values: 75 kPa and 125 kPa (gauge). Yarn hairiness, irregularity and imperfection tests were carried out using an Uster Tester 3. Tensile properties (percentage of elongation and tenacity measured as cN/tex) tests were carried out using an Uster Tensorapid. In the numerical analysis, an Ansys CFX 18.0 computational fl uid dynamics program was used for both conventional nozzle and modular nozzle configurations. All parametric study configurations were set separately using an SST turbulence model. Comparing the fl ow parameters of yarn hairiness (CFD analysis), it was found that increasing vorticity or helicity real eigen values reduced yarn hairiness.http://www.tekstilec.si/wp-content/uploads/2020/06/10.14502Tekstilec2020.63.80-93.pdfsstswirling fl owswirl numberjet-ringnozzle-ringair nozzle |
| spellingShingle | Ekrem Gulsevincler Mustafa Resit Usal Demet Yilmaz Modular Jet-Ring Yarn Spinning System Tekstilec sst swirling fl ow swirl number jet-ring nozzle-ring air nozzle |
| title | Modular Jet-Ring Yarn Spinning System |
| title_full | Modular Jet-Ring Yarn Spinning System |
| title_fullStr | Modular Jet-Ring Yarn Spinning System |
| title_full_unstemmed | Modular Jet-Ring Yarn Spinning System |
| title_short | Modular Jet-Ring Yarn Spinning System |
| title_sort | modular jet ring yarn spinning system |
| topic | sst swirling fl ow swirl number jet-ring nozzle-ring air nozzle |
| url | http://www.tekstilec.si/wp-content/uploads/2020/06/10.14502Tekstilec2020.63.80-93.pdf |
| work_keys_str_mv | AT ekremgulsevincler modularjetringyarnspinningsystem AT mustafaresitusal modularjetringyarnspinningsystem AT demetyilmaz modularjetringyarnspinningsystem |