Changing porosity of knitted structures by changing tightness

Dias, Tilak; Delkumburewatte, G.B.

doi:10.1007/s12221-008-0012-6

Cited by 23 publications

(13 citation statements)

References 5 publications

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“…If this relationship is maintained through a range of fabrics for a given knitted structure, then those fabrics are related in their tightness and other physical characteristics [9]. Dias and Delkumburewatte [14] studied the effect of fabric tightness or cover factor on porosity of knitted structures. This study demonstrated that there is a relationship between the stitch length, course spacing, wale (vertical stitch) spacing, fabric thickness, yarn count and fabric tightness.…”

Section: Introductionmentioning

confidence: 99%

Aerodynamic behaviour of single sport jersey fabrics with different roughness and cover factors

et al. 2009

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Wind tunnel testing has been carried out on nine-knitted single jersey fabrics (100% polyester) using cylinder and leg models to determine its aerodynamic behaviour over a range of speeds (20-80 km/h) representative of sports activities. Strong correlation between fabric manufacturing (cover factor) and fabric roughness and aerodynamic parameters has been established. Similar aerodynamic behaviour of fabrics was observed when tested on the cylinder model and on the leg model.

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Section: Introductionmentioning

confidence: 99%

Aerodynamic behaviour of single sport jersey fabrics with different roughness and cover factors

et al. 2009

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“…It shows as the thickness decreases porosity increases. 19 It shows the linear relationship between thickness and porosity.…”

Section: Relationship Between Thickness and Porosity Is Followingmentioning

confidence: 95%

“…The plain-knit structure essentially consists of this unit cell repeating itself in both the length and the width directions. [17][18][19][20][21][22] In the research work on the review of literature, among other relevant topics, the geometrical structure and parameters of a plain knitted structure. The stitch length model proposed by Peirce is particularly discussed in detail.…”

Section: Introductionmentioning

confidence: 99%

A study on porosity related aspects of cotton knitted fabric with single jersey structure for improved comfort application for garment

2020

JTEFT

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Knitted fabrics are the preferred structures in athletic wear in which demand for comfort is a key requirement. Heat and liquid sweat generation during athletic & exercise activities must be transported out and dissipated to the atmosphere. A key property influencing such behaviors is porosity. Two parameters that characterize it are pore size and pore volume. One of the objectives in this research was to come up with models that can predict inter yarn pore size and pore volume for simple weft knitted structures, from fabric particulars, such as courses and Wales, count, yarn size, stitch density, thickness and other geometrical details of the fabric, which characterize the structure. Such a model was developed that was based on the geometry of the unit cell of a single loop. The experimental work in this project involved using a set of 16 knitted fabrics that differ in course count and examining their pore structure and porosity related characteristics. The values of pore size and pore volume were calculated, those of pore size were measured with image analysis, and other parameters. The effects of course count and washing on stitch density, stitch length, fabric thickness and pore size are examined in details.

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“…The thermal conductivity of a textile material is its ability to conduct heat through it. Thermal conductivity depends on the material and the porosity [14]. It is expressed as…”

Section: Measurement Of Structural and Comfort Parametersmentioning

confidence: 99%

An Investigation On Air and Thermal Transmission Through Knitted Fabric Structures Using the Taguchi Method

Ghosh¹,

Mal

Majumdar³

et al. 2017

Autex Research Journal

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Knitted fabrics have excellent comfort properties because of their typical porous structure. Different comfort properties of knitted fabrics such as air permeability, thermal absorptivity, and thermal conductivity depend on the properties of raw material and knitting parameters. In this paper, an investigation was done to observe the effect of yarn count, loop length, knitting speed, and yarn input tension in the presence of two uncontrollable noise factors on selected comfort properties of single jersey and 1×1 rib knitted fabrics using the Taguchi experimental design. The results show that yarn count and loop length have significant influence on the thermo-physiological comfort properties of knitted fabrics.

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Changing porosity of knitted structures by changing tightness

Cited by 23 publications

References 5 publications

Aerodynamic behaviour of single sport jersey fabrics with different roughness and cover factors

Aerodynamic behaviour of single sport jersey fabrics with different roughness and cover factors

A study on porosity related aspects of cotton knitted fabric with single jersey structure for improved comfort application for garment

An Investigation On Air and Thermal Transmission Through Knitted Fabric Structures Using the Taguchi Method

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