Study of the bijective relationship between the single and bundle cotton fiber mechanical properties

TEXTILE AND GARMENT MAGAZINE

Special issue

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--SCIENTIFIC

ENGINEERING

UN ION OF TEXTILE,

GARMENT AND

LEATHER

BOOK OF ABSTRACTS

NATIONAL TEXTILE

CONFERENCE - 2017

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� � � � � BOOK OF ABSTRACTS � � �

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NATIONAL TEXTILE

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CONFERENCE-2017

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� Assoc. Prof. Ivelin Rahnev, TU - Sofia �

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� _{Prof. Hristo Petrov, TU - Sofia} �

� Prof. Maya Bogdanova, NAA - Sofia �

� Prof. Rossica Betcheva, UCTM - Sofia �

� Prof. Jean-Yves Drean, ENSISA - Mulhouse, France �

� Prof. Andreas Charalambus, TU - Sofia �

� Prof. Diana Germanova-Krasteva, TU - Sofia �

� Assoc. Prof. VU Thi Hong K.hanh, HUST - Hanoi, Vietnam �

� Assoc. Prof. Anna Georgieva, UCTM - Sofia �

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� Assoc. Prof. Snejina Andonova, SWU - Blagoevgrad �

� Assoc. Prof. Rumen Russev, FTT - Yambol �

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� Dr. Maria Spasova, IP-BAS, Sofia �

� Dr. Nezabravka Popova-Nedyalk.ova, NBU - Sofia �

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SCIENTIFIC COMMITTEE

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� of the 19th National Textile Conference, Gabrovo, Bulgaria, October 25-2th 2017 �

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� 1. Prof. Ivan GEORGIEV, PhD, TU - Sofia, chairman of the Conference �

� 2. Prof. Nikolay SIMEONOV, D.Sc., UCTM - Sofia �

� 3. Prof. Iliya RASHKOV, D.Sc., corr.-member of BAS - Sofia, IP - BAS - Sofia � � 4. Prof. Philipp PHILIPPOV, D.Sc., TU - Sofia, corr.-member ofBAS - Sofia �

� 5. Prof. Margarita NEZNAKOMOVA, PhD, TU - Sofia �

� 6. Assoc. Prof. Anna GEORGIEVA, PhD, UCTM - Sofia �

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� 7. Prof. Jean -Yves DREAN, D.Sc., UHA-ENSISA-LPMT, Mulhouse, France �

� 8. Prof. Dr Savvas VASSILIADIS, Piraeus University of Applied Sciences, Piraeus, Greece �

� 9. Prof. Dr. Yordan Kyosev, Hochschule Niederrhein, , M6nchengladbach, Germany �

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:o: 11. Assoc. Prof. VU Thi Hong Khanh, PhD, HUST - STLF, Ha Noi, Vietnam :o:

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ga 13. Dr Gaetano RIMINI,

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� RESPONSIBLE REVIEWERS FOR THE SCIENTIFIC PROGRAM �

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� _{,14. Prof. Hristo PETROV, PhD, TU - Sofia}

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� _{15. Prof. Peter PETROV, D.Sc., IE - BAS - Sofia} �

� 16. Prof. Diana GERMANOVA-KRASTEVA, PhD, TU - Sofia_{17. Prof. Maya BOGDANOVA, NAA- Sofia}

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� _{18. Prof. Vmroni POPNEDELEV, NAA- Sofia} �

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� 20. Prof. Andreas CHARALAMBUS, PhD, TU - Sofia �

� 21. Assoc. Prof. Radostina ANGELOVA, D. Sc., TU - Sofia

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� 23. Assoc. Prof. Zlatina KAZLACHEVA, PhD, Trace University of Stara Zagara

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� 24. Assoc. Prof. Snejina ANDONOVA, PhD, SWU - Blagoevgrad

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� 25. Assoc. Prof. Krassimir DRUMEV, PhD, TU - Gabrovo

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STUDY OF BIJECTIVE RELATIONSHIP BETWEEN

THE SINGLE AND BUNDLE COITON FIBER

MECHANICAL PROPERTIES

Jun-Yval DREAN'., . Wafa MAHJOU81, Omar HAAZALLAH1, Cuar SEGOVIA1,

Jun-Paul GOURLOT

1L.aboratoire de Physique et Mecanique Textiles, Mui house, France 2centre d'Essais Textile Lorrain, Epinal, France

'Centre de coop�ratton lnternatlonale en recherche agronomlque pour le dt:Weloppement, ontpelier, France

bundele-mail: [email protected]

The chamcteri7.8tion of cotton fib« is very complex due to the growing and harvesting conditions of the cotton plant. It is Ver'J important for breeders to undtntand the relationships that may exist between spccifie fibcr properties, overall :fi.bCI' quality and yam quality. All of these factors intaaet and arc eritical to the developmmJt of cottons that can eompm in a global market UndeIBtanding1hc,se intamctions will allow breeders to more efl'eetivelyuse :fi'ber data for selection purposes 1o improve yam quality.

In this paper,. we will focus on the-relationships between fibers1 _{mechanical properties and yams}1 _ones by dudying their relative behmor and the mationship between single cotton fihers and cotton fiber bundlca.

F ortbis purpose, 1hree dill"eren.t types or cotton fibers will be studied. These cottons were chosen from a list of twelve cottons covering a large panel of varieties and physical properties as maturity,, fineness,

micronain,, � c,tc,.. . as mown in Figun,& l and 2. Clas1ificatioru1 per lmigtb clasH1& and linear

densi1ies will be done in orderto Clllarge the scale when making plant selection .

.Analogical models based on springs, dashpots. e1emmts. as kelvin Voigt models will be pn:sented for � length elau for single :6.bcrs and :fiber bundles in order to provide additional information on their bebavior. 'With single fiber analogieal modeb and fiber bundle analogical models, a rc,lation&hlp linking these two model& will be studied. This relationship should be a bijective relationship.

Properties evaluated will include elonption, single and bundle tenacities, work of�

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Fiber bundles quality will bean effective tool in predicting yam quality and spinning performances. z

. lgure.l It city u. _litronme ror d1:e 1. cotton

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'figure� .... Length. lI .1icro111ir, f,, the L •