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Prediction of air permeability of single jersey cotton fabrics related to pressure difference

Authors: OĞLAKCIOĞLU, Nida; ÇAY, Ahmet; SARI, Burak;

Prediction of air permeability of single jersey cotton fabrics related to pressure difference

Abstract

 Airpermeability has an important role among clothing comfort characteristics andit is a complex feature that is affected by many parameters. It makes heattransfer easier besides more comfortable feeling due to high breathability. Theaim of this study was the prediction of air permeability by both fabricproperties and pressure drop. For this purpose, an equation was presented bylinear regression method using fabric density, tightness factor and pressuredifference. The results of the variance analysis showed that the airpermeability could be estimated with high reliability. The study also testedair permeability values ​​at increasing pressure differences in order toinvestigate the behaviour of fabric structures related to pressure difference.The results indicated that the applied pressure differences increased the airpermeability values ​​and the tendency of increment changed depending on thefabric tightness. This situation was defined by the relation between airpermeability and porosity. A deformation in loose fabric structures at high airpressure differences was revealed. 

Hava geçirgenliği,giyim konfor özellikleri arasında önemli bir yere sahiptir. Hem ısıtransferinin daha kolay yapılmasını hem de nefes alabilirlik özelliği ilekişinin daha konforlu hissetmesini sağlayan bu özellik, birçok parametredenetkilenen kompleks bir niteliktir. Bu çalışma kapsamında hava geçirgenliğikumaş özellikleri ile birlikte basınç farkı da dikkate alınarak öngörülmüştür. Varyans analizi sonuçları, elde edilen modelin anlamlıolduğunu ortaya koymuş ve hava geçirgenliğinin yüksek güvenilirliktetahminlenebildiğini göstermiştir. Çalışmada ayrıca, basınç farkının havageçirgenliği özelliğine etkisi detaylı olarak incelenerek ve kumaşların basınçartışına bağlı davranışları analiz edilmiştir. Sonuçlar, uygulanan basınç farkıartışı ile hava geçirgenliği değerlerinin arttığını ve kumaş sıklığına bağlıolarak bu artıştaki eğilimin değiştiğini ortaya koymuştur. Bu durum, havageçirgenliği ve gözeneklilik arasındaki ilişkiye bağlı olarak irdelenmiştir.Seyrek kumaşlarda, özellikle yüksek basınç farklarındaki hava akımlarında,kumaş yapısının deforme olduğu ortaya konmuştur. 

Country
Turkey
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Keywords

Örme kumaş;süprem;hava geçirgenliği;doğrusal regresyon;tahminleme;basınç farkı, Engineering, Knitted fabric;single jersey;air permeability;linear regression;prediction;pressure difference, Mühendislik

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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