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Theoretical analysis of heat retention process in knitted fabrics

Field of Science:EngineeringMaterials Science
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O_TJ.2026.01.13_f97c3df0.pdf

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“TEXTILE JOURNAL OF UZBEKISTAN” Scientific-technical journal

“TEXTILE JOURNAL OF UZBEKISTAN” Scientific-technical journal

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ARTICLE ANNOTATION

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Since knitted fabrics are made by twisting strands in loops, they are characterized by elasticity and porosity, as well as air permeability and heat-insulating properties, depending on their structure. Thermal impermeability is one of the main factors determining the thermal comfort of fabrics and clothing. In knitted fabrics, heat exchange occurs through thermal conductivity and thermal insulation. The balance between these processes determines the level of thermal insulation in knitted fabrics. Based on the presented data, theoretical questions were examined by modeling the thermal insulation properties of the fabric under ambient conditions. This study took into account temperature-dependent changes in the structure, component ratio, and thickness of the knitted fabric. The influence of the raw material composition, structure, and thickness of knitted fabrics on the heat transfer process was also theoretically studied. When the thickness of the knitted fabric changes to h = 5 mm during the heat transfer process, the thermal conductivity coefficient λ3 = 0.06 W/m·K, It was theoretically established that at a heat flux density of q3 = 360 W/m2, heat retention improved over time at temperatures from T=270C to 300C due to changes in the structure, contact and thickness of the knitted product.

AUTHORS

N.Musayev

TOSHKENT TO'QIMACHILIK VA YENGIL SANOAT INSTITUTI

Tags

# fabric structure# thermal conductivity# knitted fabrics# heat retention# thermal comfort

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