An analysis of the air-jet yarn texturing process. Part 4, Fluid forces acting on the filaments and the effects of filament cross-sectional area and shape

Fluid (drag) forces acting on filaments in an air-flow are theoretically analysed, and equations to calculate them are derived. Drag forces acting on filaments are shown to vary with the filament cross-section, the position of the filaments across the nozzle, and the local air velocity. Since finer...

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Main Authors:	Memis Acar, R.K. Turton, Gordon R. Wray
Format:	Default Article
Published:	1986
Subjects:	Mechanical engineering not elsewhere classified untagged Mechanical Engineering not elsewhere classified Mechanical Engineering
Online Access:	https://hdl.handle.net/2134/19359
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id	rr-article-9560336
record_format	Figshare
spelling	rr-article-95603361986-01-01T00:00:00Z An analysis of the air-jet yarn texturing process. Part 4, Fluid forces acting on the filaments and the effects of filament cross-sectional area and shape Memis Acar (1248636) R.K. Turton (7206659) Gordon R. Wray (7206662) Mechanical engineering not elsewhere classified untagged Mechanical Engineering not elsewhere classified Mechanical Engineering Fluid (drag) forces acting on filaments in an air-flow are theoretically analysed, and equations to calculate them are derived. Drag forces acting on filaments are shown to vary with the filament cross-section, the position of the filaments across the nozzle, and the local air velocity. Since finer filaments have a smaller inertial resistance to fluid forces and have lower stiffness, yarns with finer filaments are shown to be more suitable for air-jet texturing. Theoretical modelling of a lament as it emerges from the nozzle shows that, for filaments with identical linear densities, those with cross sections having reduced bending and torsional stiffness, such as elhpt1c cross-sections, may be more suitable for air-jet texturing. 1986-01-01T00:00:00Z Text Journal contribution 2134/19359 https://figshare.com/articles/journal_contribution/An_analysis_of_the_air-jet_yarn_texturing_process_Part_4_Fluid_forces_acting_on_the_filaments_and_the_effects_of_filament_cross-sectional_area_and_shape/9560336 CC BY-NC-ND 4.0
institution	Loughborough University
collection	Figshare
topic	Mechanical engineering not elsewhere classified untagged Mechanical Engineering not elsewhere classified Mechanical Engineering
spellingShingle	Mechanical engineering not elsewhere classified untagged Mechanical Engineering not elsewhere classified Mechanical Engineering Memis Acar R.K. Turton Gordon R. Wray An analysis of the air-jet yarn texturing process. Part 4, Fluid forces acting on the filaments and the effects of filament cross-sectional area and shape
description	Fluid (drag) forces acting on filaments in an air-flow are theoretically analysed, and equations to calculate them are derived. Drag forces acting on filaments are shown to vary with the filament cross-section, the position of the filaments across the nozzle, and the local air velocity. Since finer filaments have a smaller inertial resistance to fluid forces and have lower stiffness, yarns with finer filaments are shown to be more suitable for air-jet texturing. Theoretical modelling of a lament as it emerges from the nozzle shows that, for filaments with identical linear densities, those with cross sections having reduced bending and torsional stiffness, such as elhpt1c cross-sections, may be more suitable for air-jet texturing.
format	Default Article
author	Memis Acar R.K. Turton Gordon R. Wray
author_facet	Memis Acar R.K. Turton Gordon R. Wray
author_sort	Memis Acar (1248636)
title	An analysis of the air-jet yarn texturing process. Part 4, Fluid forces acting on the filaments and the effects of filament cross-sectional area and shape
title_short	An analysis of the air-jet yarn texturing process. Part 4, Fluid forces acting on the filaments and the effects of filament cross-sectional area and shape
title_full	An analysis of the air-jet yarn texturing process. Part 4, Fluid forces acting on the filaments and the effects of filament cross-sectional area and shape
title_fullStr	An analysis of the air-jet yarn texturing process. Part 4, Fluid forces acting on the filaments and the effects of filament cross-sectional area and shape
title_full_unstemmed	An analysis of the air-jet yarn texturing process. Part 4, Fluid forces acting on the filaments and the effects of filament cross-sectional area and shape
title_sort	analysis of the air-jet yarn texturing process. part 4, fluid forces acting on the filaments and the effects of filament cross-sectional area and shape
publishDate	1986
url	https://hdl.handle.net/2134/19359
_version_	1797466760549498880

An analysis of the air-jet yarn texturing process. Part 4, Fluid forces acting on the filaments and the effects of filament cross-sectional area and shape

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