Studies on spectrum density analysis of yarn hairiness variations

Abstract

92-96<span style="font-size:11.0pt;line-height:115%; font-family:" calibri","sans-serif";mso-ascii-theme-font:minor-latin;mso-fareast-font-family:="" "times="" new="" roman";mso-fareast-theme-font:minor-fareast;mso-hansi-theme-font:="" minor-latin;mso-bidi-font-family:calibri;mso-bidi-theme-font:minor-latin;="" color:black;mso-ansi-language:en-us;mso-fareast-language:en-us;mso-bidi-language:="" ar-sa"="">An attempt has been made to extend the application of spectrum analyser to the textile field for the first time for tracing the yarn hairiness spectrogram from the output signals of Shirley hairiness meter, using 11 yarn samples widely differing in hairiness characteristics. The amplitude and wavelength of the hairiness periodicities would be useful for analyzing the causes of hairiness formation from the point of view of producing quality yarns.</span