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A Study on the False-Twist Draw Texturing (II) - Experimental Investigations -
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False-Twist Draw Texturing에 관한 연구(II) -실험적 고찰-

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Type
Academic journal
Author
Kim, Jong-Seop (한성대학교 교양학부) Lee, Jae-Gon (서울대학교 공과대학 섬유공학과) Gang, Tae-Ji (Dept. of Colour Chemistry and Dyeing, The University of Leeds, Leeds, U.K.)
Journal
한국섬유공학회 한국섬유공학회지 한국섬유공학회지 제27권 제9호 KCI Excellent Accredited Journal
Published
1990.1
Pages
34 - 43 (10page)

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A Study on the False-Twist Draw Texturing (II) - Experimental Investigations -
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Experimental verification of the mathematical model presented in part I of these series of report has been performed in this study. A modification of the theoretical model has been presented to facilitate the necking point of the threadline, where the yarn diameter, twist, and translational velocity changed. Modified theoretical model has agreed well with the experiments in predicting yarn diameter profile, translational velocity, twist, and twist contraction along the threadline in the steady sperating conditions of draw texturing of polypropylene yarns. The yarn diameter decreased slowly with the advancement from the entry to the heater folio- wed by the sudden drop at the nicking point, but twist, translational velocity, and twist contraction showed the similar but inversed profile to the yarn diameter.

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