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Course: Mechanics of Fibrous Assemblies

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Course title Mechanics of Fibrous Assemblies
Course code KTT/MUT
Organizational form of instruction Lecture + Lesson
Level of course Bachelor
Year of study not specified
Semester Summer
Number of ECTS credits 6
Language of instruction Czech, English
Status of course Compulsory
Form of instruction Face-to-face
Work placements Course does not contain work placement
Recommended optional programme components None
Lecturer(s)
  • Vyšanská Monika, Ing. Ph.D.
  • Čapek Lukáš, doc. Ing. Ph.D.
Course content
Lectures: 1. Overview of the basic quantities of the mechanics used in this course. 2. - 4. Overview and the description of the basic tests and methods for the textile structures mechanical properties testing. 5. - 6. Behavior of the multifilament during its mechanical straining. 7. - 8. Behavior of the staple yarn during its mechanical straining. 9. - 10. Behavior of the non-woven textile during its mechanical straining. 11. - 12. Behavior of the woven textile during its mechanical straining. 13. - 14. Behavior of the knitted textile during its mechanical straining. Practices: Practical seminars correspond to the lectures. The output of each seminar is protocol. 1. Analysis of the stress-strain curve, cyclic straining. 2. Mechanical properties of various types of fibers. 3. Utilization of the mechanical properties of fibers in length formations (multifilament, yarn). 4. Factors influencing the one-axis straining. 5. Methods of the one yarn and the yarn hank straining. 6. Influence of the parameters of the multifilament and the yarn on their mechanical properties. 7. Methods of the Strip and the Grab. 8. - 9. Stress relaxation and creep of the elastic textiles. 10. Objective measurement of the mechanical-physical properties of woven fabric - KES. 11. Burst test of the areal textile. 12. Non-woven textiles - verification of the Petterson's relation. 13. Knitted fabrics - one-axis straining of the different types of the knitted fabrics. 14. Analysis of the mechanical properties of given sample of textile in its whole structural hierarchy.

Learning activities and teaching methods
Monological explanation (lecture, presentation,briefing), Dialogue metods(conversation,discussion,brainstorming), Laboratory work
  • Class attendance - 56 hours per semester
  • Home preparation for classes - 28 hours per semester
  • Presentation preparation (report) - 14 hours per semester
  • Preparation for laboratory testing; outcome analysis - 28 hours per semester
  • Preparation for exam - 45 hours per semester
Learning outcomes
The course is focused on the basic description of the behavior of the textile and non-textile fibrous structures during their mechanical straining. At first the overview of the basic mechanical quantities is introduced, then summary of the methods and tests used in textile laboratory follows. The next lectures contain information about structural mechanics of fibers, general multifilament, staple yarn, non-woven textile, woven textile, knitted textile and finally also of non-textile fibrous formations.
The students master application of the basic mechanics on the fibrous structures behavior.
Prerequisites
The basic knwoledge of the mathematics, physics, the technology of the textile structures production and the theory of the textile structures.
KTT/UME

Assessment methods and criteria
Combined examination, Student's performance analysis

Direct teaching: Credit: 100% attendance at seminars. Elaboration and completion of all protocols. Exam: Written and oral. Indirect teaching: Credit: Elaboration and completion of all protocols. Exam: Written and oral on-line.
Recommended literature
  • Interní norma 22-201-01/01. Ohybová tuhost přízí. 1. vydání.. Liberec: Výzkumné centrum Textil, Fakulta textilní, Technická univerzita v Liberci, 2004.
  • Interní norma 32-204-01/01. Stanovení příčné stlačitelnosti přízí. 1. vydání.. Liberec: Výzkumné centrum Textil, Fakulta textilní, Technická univerzita v Liberci, 2009.
  • BURIANOVÁ, L. Mechanika: příprava pro studium na vysoké škole. Vyd. 10.. Liberec: Technická univerzita v Liberci, 2010. ISBN 978-80-7372-629-4.
  • DOSTÁLOVÁ, M., KŘIVÁNKOVÁ, M. Základy textilní a oděvní výroby, skripta TU. Liberec: Technická univerzita v Liberci, 2004. ISBN 80 7083 831 0.
  • HEARLE, J. W. S., GROSBERG, P and BACKER, S. Structural mechanics of fibers, yarns, and fabrics. Volume 1. New York: Wiley Interscience, 1969.
  • HU, J. Structure and mechanics of woven fabrics. Cambridge: Woodhead Publishing, 2004. ISBN 0-8493-2826-8.
  • KOĆÍ, V. Vazby pletenin. Praha: SNTL - Nakladatelství technické literatury, 1980. ISBN 04-825-80.
  • KOPAL, A. Fyzika I: mechanika, kmitání, vlnění, termodynamika. Vyd. 2., opr. a dopl.. Liberec: Technická univerzita v Liberci, 2009. ISBN 978-80-7372-477-1.
  • KOVÁŘ, R. Struktura a vlastnosti plošných textilií. Liberec: Technická univerzita v Liberci, 2003. ISBN 80-7083-676-8.
  • KRČMA, R. Teorie netkaných textilií. Liberec: Vysoká škola strojní a textilní v Liberci, 1986.
  • KVASNICA, J. a kol. Mechanika. 2. vydání.. Praha: Academia, 2004. ISBN 80-200-1268-0.
  • NECKÁŘ, B. Příze. Tvorba, struktura, vlastnosti. Praha: SNTL Praha, 1990. ISBN 80-03-00213-3.
  • ROHLENA, V. a kol. Bezvřetenové předení. Praha, SNTL, 1974.
  • SAVILLE, B. P. Physical testing of textiles. Bosa Roca, United States: Taylor & Francis Inc, 1999. ISBN 9780849305689.


Study plans that include the course
Faculty Study plan (Version) Category of Branch/Specialization Recommended year of study Recommended semester
Technical University of Liberec, date of update: 24.04.2024 23:50.