نتایج جستجو برای: direction of warp and weft

تعداد نتایج: 24067203  

Journal: :Sainteks : Jurnal Sain dan Teknik 2021

The process of bleach washing on denim fabrics produces a paler or lighter shabby effect. effect is produced by using an oxidizing agent. application sodium hypochlorite can cause decrease in color aging and high tensile strength. pH condition also affects the occurrence oxycellulose damage which will affect final result. Inappropriate very oxidation produce less Therefore, concentration NaOCl ...

2013
Nicolas Trifigny Fern M. Kelly Cédric Cochrane François Boussu Vladan Koncar Damien Soulat

The quality of fibrous reinforcements used in composite materials can be monitored during the weaving process. Fibrous sensors previously developed in our laboratory, based on PEDOT:PSS, have been adapted so as to directly measure the mechanical stress on fabrics under static or dynamic conditions. The objective of our research has been to develop new sensor yarns, with the ability to locally d...

Journal: :Optics express 2013
Christoph Zysset Nassim Nasseri Lars Büthe Niko Münzenrieder Thomas Kinkeldei Luisa Petti Stefan Kleiser Giovanni A Salvatore Martin Wolf Gerhard Tröster

Being the closest layer to our body, textiles provide an ideal platform for integrating sensors and actuators to monitor physiological signals. We used a woven textile to integrate photodiodes and light emitting diodes. LEDs and photodiodes enable near-infrared spectroscopy (NIRS) systems to monitor arterial oxygen saturation and oxygenated and deoxygenated hemoglobin in human tissue. Photodiod...

Journal: :Journal of Chinese Philosophy 2022

Abstract The emotion of anger has received overall negative treatment in recent moral philosophy. This article explores the gendered representations Lienüzhuan 《列女傳》 Liu Xiang 劉向 (77–6 BCE ). It begins with a brief account semantic field and its representation , focusing on three important patterns. Perhaps most is didactic role anger; how female teachers use it (or avoid it) instructing male s...

Journal: :روش های عددی در مهندسی (استقلال) 0
هوشنگ نصرتی h. nosraty منصور کبگانیان و علی اصغر اصغریان جدی m. kabganian and ali a. a jeddi

air-jet weaving is an advanced weaving method with high efficiency and productivity. it is one of the most widely used methods of weaving in the world. in air-jet filling insertion, the motion of weft yarn is caused by friction between weft yarn and air blown through nozzle. after declamping and subjecting the yarn to air stream, its motion is not active but very complicated and influenced by s...

2007
Masato TANAKA Hirohisa NOGUCHI

The present study addresses the constitutive model of cloth using anisotropic hyperelastic materials and its implementation into a nonlinear finite shell element in order to simulate large deformation behavior of cloth. Present work focuses on a macroscopic continuum constitutive model able to capture the appropriate mechanical behavior of cloth, which is characterized by two families of yarns,...

Journal: :Computer-Aided Design 2005
Charlie C. L. Wang Kai Tang Benjamin M. L. Yeung

This paper presents a robust and efficient surface flattening approach based on fitting a woven-like mesh model on a 3D freeform surface. The fitting algorithm is based on tendon node mapping (TNM) and diagonal node mapping (DNM), where TNM determines the position of a new node on the surface along the warp or weft direction and DNM locates a node along the diagonal direction. During the 3D fit...

Journal: :Heritage Science 2022

Abstract Understanding canvas paintings as physical systems is fundamental to develop evidence-based environmental specifications for museums. A number of tests were carried out determine mechanical properties canvas, sized with animal glue and glue-based ground layer (gesso) a function relative humidity (RH). The the samples tested exhibited an anisotropy dependent on measurement direction, be...

2006
Alexandros A Skordos Michael P F Sutcliffe

This paper addresses geometric variability of woven textiles used in composites manufacturing. Variability in tow directions and unit cell size is quantified by applying an image analysis procedure to two representative materials; a pre-impregnated carbon/epoxy satin weave textile and a commingled glass/polypropylene fabric, and the spatial autocorrelation of stochastic variables is characteriz...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1389

the current study examined iranian undergraduate efl students’ willingness to communicate with regard to their vocabulary knowledge. in general, participants were somewhat willing to communicate in english. the total mean score of 730 university students’ perception of willing to communicate was 83.53 out of 135. results, regarding four parts of willingness to communicate, revealed that part...

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