Three-dimensional fluid-structure interaction simulations of a yarn subjected to the main nozzle flow of an air-jet weaving loom using a Chimera technique

Delcour, Lucas; Peeters, Jozef; Degroote, Joris

doi:10.1177/0040517519862884

Cited by 9 publications

(10 citation statements)

References 29 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…A cellulose property monofilament yarn with a diameter of 0.8 mm was considered; since the whip effect was neglected, it was placed at the nozzle axis. Major geometry parameters of the modelled nozzle are summarized [15,16].…”

Section: Methodology 21 Computational Fluid Dynamics Analysis Of An A...mentioning

confidence: 99%

New Designed Main Nozzle of Air-Jet Weaving Machine for Optimizing Air Consumption using CFD Simulation

Shandilya¹,

Gangopadhyay²

2022

CFDL

View full text Add to dashboard Cite

The air-jet weaving machine is widely used in the textile industry and the main nozzle and acceleration tube is one of its key components of the machine. In this paper, the influence of some parameters, including the input air pressure with air inlet length and the structure of the nozzle core and its internal diameter, on the internal flow field of the main nozzle is analyzed to get the velocity of flow at the optimum air pressure that optimizing the air consumption. The flow field inside an air-jet loom main nozzle is studied by simulating the design of the main nozzle and acceleration tube, by means of a two-dimensional model implemented in the Ansys computational fluid dynamics (CFD) code Fluent, by designing the new main nozzle by working on the structural geometry of the main nozzle and acceleration tube. In order to determine the optimum air pressure for the required air velocity with optimum air consumption to flow weft yarn in an air-jet weaving machine.

show abstract

Section: Methodology 21 Computational Fluid Dynamics Analysis Of An A...mentioning

confidence: 99%

New Designed Main Nozzle of Air-Jet Weaving Machine for Optimizing Air Consumption using CFD Simulation

Shandilya¹,

Gangopadhyay²

2022

CFDL

View full text Add to dashboard Cite

show abstract

“…For example, in air-jet weaving, it is crucial to understand the interaction between yarns and air jets to allow for process optimization. To this extent, a numerical framework to simulate the yarn release in the main nozzle of an air jet weaving loom was developed recently 1 . Other interactions occur in tufting, knitting, stitching, and braiding.…”

Section: Introductionmentioning

confidence: 99%

A novel technique to simulate and characterize yarn mechanical behavior based on a geometrical fiber model extracted from microcomputed tomography imaging

Bral

Daelemans

Degroote

2022

Textile Research Journal

Self Cite

View full text Add to dashboard Cite

Textiles and their production machines are increasingly designed using simulations of the textile production process. These simulations require reliable structural yarn models. In practice, these models are often based on simplifying assumptions concerning the underlying geometry. However, in recent years more realistic geometrical fiber models have been developed, but have not been used to estimate the structural properties of yarns. The current contribution presents a new methodology to obtain a structural yarn model through numerical simulations based on a high-fidelity geometrical yarn model. Starting from microcomputed tomography data of a real-life natural fiber yarn used in air-jet weaving, a geometrical yarn model is constructed by tracing the individual fibers. This geometry is then incorporated in a computational finite-element analysis framework to obtain the yarn tensile and bending behavior through a simulated tensile test and Peirce cantilever test. Finally, the results are validated by comparison with experimental data. It is shown that this new technique succeeds to estimate the tensile and bending behavior. The presented methodology allows one to gain fundamental insight into the internal deformations and stresses in the yarn. Moreover, it is an important first step toward statistical studies on the structural yarn behavior on the microscale level and toward homogenized macro-models originating from a fully digital workflow.

show abstract

“…Shuttleless looms can be classified by the weft insertion modes: 2 (1) rapier looms 3 for the production of small batches like ornaments and a variety of weft yarn fabrics; (2) air-jet looms 4 for the processing of various thick and thin fabrics; (3) water-jet looms 5 for weaving hydrophobic yarns; (4) projectile looms 6 for weaving extra-wide fabrics and high-grade decorative fabrics; and (5) multished looms 7 for weaving simple and ordinary fabrics with extremely high weft insertion rates. Tucked-in edges are commonly used to replace raw edges in shuttleless looms due to the yarn-wasting problem.…”

mentioning

confidence: 99%

Effect of initial pressure of oblique-blowing airflow and folding-in airflow on yarn tucked-in in the pneumatic tucked-in selvedge apparatus

Liu

Zhou

Cheng

et al. 2021

Textile Research Journal

View full text Add to dashboard Cite

In this paper, numerical simulation and laboratory experiments were combined to research the tucked-in behavior of the yarn in the pneumatic tucked-in selvedge apparatus, and explore the effect of initial pressure of oblique-blowing airflow and folding-in airflow on yarn tucked-in. This work focused on the motion of a single yarn of which one end was fixed while the other was free. Initial pressures for oblique-blowing airflow and folding-in airflow were set as parameters. A numerical model was developed to simulate the process based on the one-way fluid–structure interaction. Then a laboratory experiment was carried out with the help of a high-speed camera to record the motion behaviors of yarns. The motions were compared with the simulation data and showed that the proposed numerical model can properly replicate the motion of yarn and its points in the airflow field. Each group of yarns with different initial pressures was able to be tucked-in and had an elongation. Increasing the initial pressures of oblique-blowing airflow from 0.3 MPa to 0.4 MPa and folding-in airflow from 0.35 MPa to 0.4MPa shortened the time for the yarn to complete the entire oblique-blowing and tucked-in process by 0.4625 ms, and extended the yarn elongation by 0.151 mm.

show abstract

Three-dimensional fluid-structure interaction simulations of a yarn subjected to the main nozzle flow of an air-jet weaving loom using a Chimera technique

Cited by 9 publications

References 29 publications

New Designed Main Nozzle of Air-Jet Weaving Machine for Optimizing Air Consumption using CFD Simulation

New Designed Main Nozzle of Air-Jet Weaving Machine for Optimizing Air Consumption using CFD Simulation

A novel technique to simulate and characterize yarn mechanical behavior based on a geometrical fiber model extracted from microcomputed tomography imaging

Effect of initial pressure of oblique-blowing airflow and folding-in airflow on yarn tucked-in in the pneumatic tucked-in selvedge apparatus

Contact Info

Product

Resources

About