Hodnocení vztahu mezi konstrukčními parametry pleteniny a její prodyšností
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Abstract
Diplomová práce pojednává o vztahu mezi strukturou a prodyšností zátažné jednolícní hladké pleteniny.V teoretické části jsou popsány poznatky týkající se charakteristiky pletenin rozdělených na parametry nitě a parametry pletenin. Z parametrů je největší pozornost věnována porositě pleteniny.V experimentální části práce byly vyrobeny vzorky zátažné jednolícní pleteniny. Vzorky byly testovány a analyzovány, přičemž byly získány strukturní parametry a další vlastnosti. Získané hodnoty byly nezbytné k ověření zkoumaného matematického modelu pro výpočet porosity. V práci byl také proveden pokus o návrh vlastního modelu, který by byl schopný predikovat prodyšnost pleteniny. Tento model byl aplikován na experimentální pleteniny. Hodnoty teoretické prodyšnosti byly porovnány s naměřenými hodnotami.
The thesis discusses the relationship between the structure and air permeability of single weft-knitted fabric.In the theoretical part have been described knowledge concerning the characteristics of weft-knitted fabrics, broken down into parameters of yarn and parameters of weft-knitted fabric. Of the parameters is the most attention paid to the porosity of weft-knitted fabric.In the experimental part of the thesis have been produced samples of weft-knitted fabric. The samples have been tested and analyzed, with the structural parameters have been obtained and other properties. The values obtained were necessary to verify the mathematical model for the calculation of the porosity. In the thesis was also carried out the attempt to propose a custom model, which would be able to predict air permeability of weft-knitted fabric. The model has been applied to the experimental weft-knitted fabrics. The value of the theoretical air permeability were compared with measured values.
The thesis discusses the relationship between the structure and air permeability of single weft-knitted fabric.In the theoretical part have been described knowledge concerning the characteristics of weft-knitted fabrics, broken down into parameters of yarn and parameters of weft-knitted fabric. Of the parameters is the most attention paid to the porosity of weft-knitted fabric.In the experimental part of the thesis have been produced samples of weft-knitted fabric. The samples have been tested and analyzed, with the structural parameters have been obtained and other properties. The values obtained were necessary to verify the mathematical model for the calculation of the porosity. In the thesis was also carried out the attempt to propose a custom model, which would be able to predict air permeability of weft-knitted fabric. The model has been applied to the experimental weft-knitted fabrics. The value of the theoretical air permeability were compared with measured values.
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zátažná pletenina, prodyšnost, struktura, porosita, predikce, weft-knitted fabric, air permeability, structure, porosity, prediction