Air Flow in Yarn Texturing Nozzles

[+] Author and Article Information
M. Acar, R. K. Turton, G. R. Wray

Loughborough University of Technology, Department of Mechanical Engineering, Loughborough, Leics, LE11 3TU, England

J. Eng. Ind 109(3), 197-202 (Aug 01, 1987) (6 pages) doi:10.1115/1.3187118 History: Received July 24, 1986; Online July 30, 2009


The air-jet texturing process, a purely mechanical means of texturing continuous filament yarns, is described. Industrial texturing nozzles are reviewed and categorized in two groups, either as converging-diverging or cylindrical type nozzles. A mathematical model is developed for the complex airflow in cylindrical type texturing nozzles, and experimental data obtained from various nozzles verify the flow predicted by this model. The mathematical model is also shown to be in good agreement with the data obtained from a modified experimental nozzle, which has a trumpet shaped diverging exit. Further experimental work with a scaled-up model of a typical industrial texturing nozzle is also reported.

Copyright © 1987 by ASME
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