A. Săliștean, C. Mihai, I. Cristian, D. Farîma, C. Piroi
The fabrics used to make parachutes and paragliders must have the several specific characteristics: the mass of fabric per unit of surface must be low while the other physical- mechanical characteristics (the axial breaking strength load, the relative and absolute elongation, the tear resistance of the fabric and the assemblies, air permeability) must be at a maximum. The paper deals with the analysis of qualitative aspects of several parachute fabrics that are used as a baseline in the development of a novel fabric. The results of experiments have materialized in statistical data, diagrams and graphs and their interpretation leads to the determination of the fabric variant that best meets the requirements of the destination. The destination is a patent pending inflatable wing design that utilizes a single skin construction and solid reinforcements in the sewing for shape stability. It is worth noting that the experimental results were compared with values indicated in specific international testing norms.
{"title":"FABRIC FOR SINGLE SKIN TEXTILE WING","authors":"A. Săliștean, C. Mihai, I. Cristian, D. Farîma, C. Piroi","doi":"10.35530/tt.2019.09","DOIUrl":"https://doi.org/10.35530/tt.2019.09","url":null,"abstract":"The fabrics used to make parachutes and paragliders must have the several specific \u0000characteristics: the mass of fabric per unit of surface must be low while the other physical- \u0000mechanical characteristics (the axial breaking strength load, the relative and absolute elongation, the \u0000tear resistance of the fabric and the assemblies, air permeability) must be at a maximum. The \u0000paper deals with the analysis of qualitative aspects of several parachute fabrics that are used as a \u0000baseline in the development of a novel fabric. The results of experiments have materialized in \u0000statistical data, diagrams and graphs and their interpretation leads to the determination of the fabric \u0000variant that best meets the requirements of the destination. The destination is a patent pending \u0000inflatable wing design that utilizes a single skin construction and solid reinforcements in the \u0000sewing for shape stability. It is worth noting that the experimental results were compared with \u0000values indicated in specific international testing norms.","PeriodicalId":22214,"journal":{"name":"TEXTEH Proceedings","volume":"19 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80199078","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
H. Çelik, H. K. Kaynak, E. Sarıoğlu, G. K. Günaydin
Texturized yarns are often preferred especially in home textiles and sportswear. To improve polyester filament properties, mechanical, thermal, chemical and combinations of texturing processes are applied. With these processes, filament yarns take on a curved and voluminous structure and gain a permanent form. Properties of the texturized yarn can be varied as raw materials properties, machine type and process factors. This study covers the investigation of the effect of cross-sectional shape of fiber (round and trilobal) and texturing process temperature (150, 175 and 200 0C) on air permeability of false twist textured polyester single jersey knitted fabrics. Results showed that the highest air permeability value was obtained from knitted fabric with round fiber cross-sectional shape polyester filament textured at 150 0C. According to the statistical analysis, both the fiber cross-sectional shape and process temperature were found to have a significant effect on air permeability property.
{"title":"THE EFFECT OF FIBER CROSS-SECTIONAL SHAPE AND \u0000TEXTURING TEMPERATURE ON KNITTED FABRIC AIR\u0000PERMEABILITY","authors":"H. Çelik, H. K. Kaynak, E. Sarıoğlu, G. K. Günaydin","doi":"10.35530/tt.2019.23","DOIUrl":"https://doi.org/10.35530/tt.2019.23","url":null,"abstract":"Texturized yarns are often preferred especially in home textiles and sportswear. To improve \u0000polyester filament properties, mechanical, thermal, chemical and combinations of texturing\u0000processes are applied. With these processes, filament yarns take on a curved and voluminous \u0000structure and gain a permanent form. Properties of the texturized yarn can be varied as raw \u0000materials properties, machine type and process factors. This study covers the investigation of the \u0000effect of cross-sectional shape of fiber (round and trilobal) and texturing process temperature (150, \u0000175 and 200 0C) on air permeability of false twist textured polyester single jersey knitted fabrics.\u0000Results showed that the highest air permeability value was obtained from knitted fabric with round \u0000fiber cross-sectional shape polyester filament textured at 150 0C. According to the statistical \u0000analysis, both the fiber cross-sectional shape and process temperature were found to have a \u0000significant effect on air permeability property.","PeriodicalId":22214,"journal":{"name":"TEXTEH Proceedings","volume":"43 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80454715","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}