Use of air permeability for determination of equivalent average pore diameter in woven fabrics

Dimitrovski, Krste; Zupin, Živa; Kostajnšek, Klara; Branca, E

doi:10.1088/1757-899x/254/4/042009

Cited by 4 publications

(4 citation statements)

References 2 publications

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“…the lengths of pores, structure, tortuosity and bottle necks. 26 Contact angles of woven and weft-knitted fabrics were 61.60 AE 3.42 and 128.05 AE 1.42 , respectively. The value for the woven fabric was similar to that reported in the study by Wang et al, 27 in that the fabric possessed a partial hydrophilic property because of chemical groups in its pore structures.…”

Section: Structural and Physical Properties Of Substratesmentioning

confidence: 94%

Preparation of three-dimensional multilayer ECM-simulated woven/knitted fabric composite scaffolds for potential tissue engineering applications

Guo

Wang

Yin

et al. 2019

Textile Research Journal

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The extracellular matrix (ECM), with its multilayer fiber structure, regulates diverse functions including cell proliferation, migration, differentiation and tissue regeneration effects. To mimic and replace the native ECM, the structures and properties of three single-layer fabric substrates including warp/weft-knitted and woven fabrics were analyzed, then two-layer warp/weft-knitted composite fabrics prepared by polyurethane (PU) bonding, and woven composite fabrics prepared by polycaprolactone (PCL)/collagen solution bonding or PU bonding, were studied. After PCL/collagen solution bonding or PU bonding, properties such as pore diameter, air permeability, stress and the contact angle of composite fabrics decreased by some degree, while fiber diameter, thickness and the thermal conductivity of composite fabrics increased. In combination with fiber diameter, pore diameter and physical properties, we know that warp- or weft-knitted composite fabrics are ideal scaffolda for potential applications in nerve, myocardium and tendon tissue engineering.

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Section: Structural and Physical Properties Of Substratesmentioning

confidence: 94%

Preparation of three-dimensional multilayer ECM-simulated woven/knitted fabric composite scaffolds for potential tissue engineering applications

Guo

Wang

Yin

et al. 2019

Textile Research Journal

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“…The equivalent average pore diameter was measured according to the methods developed by Dimitrovski [22]. The equivalent average pore diameter is defined as a diameter of cylindrical pore structures with a known number of pores that allow the same air per-meability as the real woven fabric sample with the same number of pores and the same thickness.…”

Section: Classic Methods For Calculating the Porosity Parametersmentioning

confidence: 99%

Comparison of Measured and Calculated Porosity Parameters of Woven Fabrics to Results Obtained with Image Analysis

Zupin,

Štampfl,

Kočevar

et al. 2024

Materials

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Porosity, the measure of the open spaces within a fabric structure, is a decisive factor in the performance of textiles. It influences breathability, permeability to liquids or gases, and suitability for various industries such as apparel, medical, and technical textiles. This study compares classical porosity calculation methods with non-destructive image analysis for 24 woven fabric samples that differ in density and weave pattern. Factors such as fabric density, weave pattern, illumination conditions, magnification, and the influence of the Otsu and Yen threshold algorithms were considered. The multifactor ANOVA statistical analysis shows that fabric density and weave pattern significantly influence porosity, with illumination playing an important role, while the threshold algorithm has a minor influence. A strong correlation is found between the actual fabric porosity and the results of the image analysis, except for double-sided illumination (reflective and transmissive), where the correlation is weakest. This comprehensive investigation provides valuable insights into the reliability of different porosity assessment approaches, which is essential for applications in various textile industries.

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“…Their results showed good agreement with experimental data for three plain weave fabrics available in the literature [ 26 ]. Dimitrovski et al in their research [ 27 ] describe the porosity or inner porous structure of woven fabrics as a complex process that involves analyzing various porosity parameters such as the size, number, and distribution of pores. They developed a new method to determine the equivalent average size of pores in woven fabrics.…”

Section: Applicability Of Darcy’s Law In Textilesmentioning

confidence: 99%

Incorporating Variable Porosity into the Determination of Effective Permeability in Interchanging Double Cloth Woven Fabrics Using Darcy’s Law

et al. 2023

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Woven fabrics are widely used for thermal protection due to their porosity, which provides thermal insulation and breathability. This research focuses on investigating the influential parameters in the thermal protective properties of layer interchanging double cloth, including the woven structure and varying yarn fineness. The properties affecting the protective properties and comfort of multilayered woven fabrics include the fabric thickness, fabric porosity, and air permeability. Darcy’s law is applicable for determining the effective air permeability of woven fabrics. By understanding and controlling fabric porosity, it becomes possible to develop thermal protective clothing that combines improved comfort, cost-efficiency, and effectiveness. This study represents a novel approach for the clarification of airflow permeability behavior in complex structures of elastic multilayer woven fabrics using Darcy’s law. This innovative approach expands the understanding of permeability in fabrics beyond single-layer fabrics with vertical pores or 3D fabrics used in resin injection processes.

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Use of air permeability for determination of equivalent average pore diameter in woven fabrics

Cited by 4 publications

References 2 publications

Preparation of three-dimensional multilayer ECM-simulated woven/knitted fabric composite scaffolds for potential tissue engineering applications

Preparation of three-dimensional multilayer ECM-simulated woven/knitted fabric composite scaffolds for potential tissue engineering applications

Comparison of Measured and Calculated Porosity Parameters of Woven Fabrics to Results Obtained with Image Analysis

Incorporating Variable Porosity into the Determination of Effective Permeability in Interchanging Double Cloth Woven Fabrics Using Darcy’s Law

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