Structural Mechanics of Yarns and Fabrics detailed syllabus for Handloom & Textile Technology (HT) for 2021 regulation curriculum has been taken from the Anna Universities official website and presented for the HT students. For course code, course name, number of credits for a course and other scheme related information, do visit full semester subjects post given below.
For Handloom & Textile Technology 5th Sem scheme and its subjects, do visit HT 5th Sem 2021 regulation scheme. For Professional Elective-I scheme and its subjects refer to HT Professional Elective-I syllabus scheme. The detailed syllabus of structural mechanics of yarns and fabrics is as follows.
Course Objectives:
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Unit I
YARN GEOMETRY 13
Idealized helical yarn structure; yarn count and twist factors, twist contraction and retraction; relationship between yarn parameters; Idealized packing; packing of fibers in yarns; measurement of packing density and radial packing density of yarn; measurement of yarn diameter; ideal migration, tracer fiber technique, characterization of migration behavior, migration in blended yarns, mechanisms of migration, effect of various parameters on migration behavior, effect of migration on yarn properties.
Unit II
MECHANICS OF CONTINUOUS FILAMENT YARNS 9
Analysis of tensile behavior – filament strain and yarn strain, different models; influence of yarn parameters; prediction of breakage; analysis of yarn mechanics by energy method; observed extension and breakage of continuous filament yarns.
Unit III
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Unit IV
WOVEN FABRIC GEOMETRY AND DEFORMATION 13
Elements of woven fabric geometry; Pierce and Olofsson models – form factor; jamming of threads, cover factor; crimp interchange, degree of set; mechanics of extension behavior of woven fabric; mechanics of other fabric deformations – shear, buckling, bending and compression; Effect of yarn structure on woven fabric properties.
Unit V
KNITTED AND NONWOVEN STRUCTURES 5
Geometry of plain knitted structure, influence of friction on knit geometry; load extension of knitted fabrics; Geometry of Nonwoven structure, mechanical behaviour of needle felt.
Course Outcomes:
Upon completion of the course the student will be able to
- Discuss the packing of fibres and yarn structure
- Analyse the continuous filament properties
- Explain the staple fibre yarn’s tensile properties
- Demonstrate the models proposed for geometry of woven fabrics and characteristics of fabric on deformation
- Explain the structural characteristics of knitted and nonwovens
Text Books:
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Reference Books:
- Hearl J. W. S., “Structural Mechanics of Fibers, Yarns and Fabrics”, Wiley Inter science, New York, 1969, ISBN: 0471366692.
- Hearle J. W. S., John J., Thwaites. and JafargholiAmirbayat., “Mechanics of Flexible Fibre Assemblies”, Sijthoff and Noordhoff, 1980, ISBN: 902860720X.
- Jinlian Hu., “Structure and Mechanics of Woven Fabrics”, Woodhead Publishing Ltd., 2004, ISBN: 1855739046.
- Hassan M. Berery., “Effect of Mechanical and Physical properties on Fabrics Hand”, Woodhead publishing Ltd., 2005, ISBN: 13: 978 – 1- 85573 -9185.
For detailed syllabus of all the other subjects of Handloom & Textile Technology 5th Sem, visit HT 5th Sem subject syllabuses for 2021 regulation.
For all Handloom & Textile Technology results, visit Anna University HT all semester results direct link.