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Rejuvenating the textile engineering Education in Indian and South-Asian Universities

Journal of The Institution of Engineers (India): Series E 2023年第2期104卷 305-311页

作者： Majumdar, Abhijit Department of Textile and Fibre Engineering Indian Institute of Technology Delhi New Delhi110016 India

Dinosaurs were massive and powerful. Yet the lack of adaptability led to their extinction. Evolution of engineering to a great extent started with textiles. However, textile as an academic discipline is still nebulous. There are major flaws in the structure of the curriculum and serious weakness in the pedagogical approaches. Through this article, I argue that textile education in South-Asian countries needs major transformation in terms of principles, content and delivery. With the dynamic environment, we need to make the curriculum relevant and interesting coupled with the creation of teachers who can intellectually entertain the students. If this course correction, along with the augmentation in pay structure and nature of job, does not happen, then the textile education may slowly move towards virtual extinction. © 2023, The Institution of Engineers (India).

关键词： Curricula

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Hydraulic conductivity of porous media consisting of natural fibres for drainage applications

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Indian Journal of Fibre and textile Research 2024年第4期49卷 470-478页

作者： Woyessa, Temesgen Regassa Chattopadhyay, R. Ramana, G.V. Department of Textile and Fibre Engineering Indian Institute of Technology Delhi New Delhi110 016 India Department of Civil Engineering Indian Institute of Technology Delhi New Delhi110 016 India

In the present study, the hydraulic conductivities of coir, jute, and kenaf fibre assemblies are thoroughly investigated, along with polypropylene fibres. The fibres are first parallelized through repeated combing and then converted into a sliver using suitable carding machines. The parallelized fibres are inserted into a sample holder (PVC tube). The hydraulic conductivity of the fibrous bundles is evaluated by following ASTM D4716, at porosity (φ) 0.8, 0.90, and 0.95;and the hydraulic gradient (i) 0.5, 1, and 2.5. The hydraulic property of fibres in bundle form largely depends on the porosity of the fibrous structure. For similar porosity, a medium consisting of larger diameter fibres facilitates easy liquid flow. © 2024, National Institute of Science Communication and Policy Research. All rights reserved.

关键词： Jute fibers

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Biomordant assisted natural dyeing of cellulosic fibre: a greener approach

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Materials Research Innovations 2025年第1期29卷 27-34页

作者： Chowdhury, Tanvir Ahmed Khandaker, Jahirul Islam Gafur, Mohammad Abdul Repon, Md. Reazuddin Islam, Md. Kamrul Hossain, Alamgir Mollick, Swaraz Department of Physics Jahangirnagar University Dhaka Bangladesh Department of Textile Engineering Daffodil International University Dhaka Bangladesh Pilot Plant & Process Development Centre Bangladesh Council of Scientific and Industrial Research Dhaka Bangladesh Department of Bioproducts and Biosystems School of Chemical Engineering Aalto University Espoo Finland Department of Production Engineering Faculty of Mechanical Engineering and Design Kaunas University of Technology Kaunas Lithuania Department of Textile Engineering Jashore University of Science and Technology Jashore Bangladesh

Natural dyes serve as a benign alternative to their synthetic counterparts, offering a sustainable option that directly mitigates the release of toxic chemicals. In this study, cotton fabrics were dyed with neem leaf extract in acidic, neutral and alkaline condition where samples were mordanted with lemon juice. The findings revealed a direct correlation between colour strength (K/S) and pH levels, and optimal fastness properties were achieved under alkaline pH conditions when a mordant was employed. The Energy Dispersive X-ray (EDX) ensured the elemental composition of lemon juice assisted dyed fabric which indicates the effective binding of cotton fabric with neem leaves extracted dye. The Fourier Transform Infrared (FTIR) Spectroscopy analysis also confirmed the interaction of cotton fabric with dye particles. The results indicate that cotton fabric can be successfully dyed with neem leaf extract and lemon juice as the biomordant, presenting an eco-friendly and sustainable approach to dyeing practices. © 2024 Informa UK Limited, trading as Taylor & Francis Group.

关键词： Cotton fabrics

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A Review of Cellulosic Fibre Surface Modification Techniques - The Case of Ramie

Textile and Leather Review

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textile and Leather Review 2024年 7卷 1061-1095页

作者： Wagaye, Bewuket Teshome Nguyen, Luc The Adamu, Biruk Fentahun Gudayu, Adane Dagnaw Guo, Jiansheng Key Laboratory of Textile Science & Technology Ministry of Education College of Textiles Donghua University Shanghai201620 China Textile Engineering Department Ethiopian Institute of Textile and Fashion Technology Bahir Dar University Bahir Dar Ethiopia Faculty of Garment Technology and Fashion Design Hung Yen University of Technology and Education Hai Duong Viet Nam

The demand for cellulosic fibres as a reinforcement in polymers is growing due to their renewable, biodegradable, and ecologically favourable properties. In addition, they are lower in density than e.g. glass fibres, which will help in making lightweight composites. Besides, there is no health hazard with ease of processing and minimum damage to the processing equipment. Despite their advantages and high demand, their utilization in industrial applications is still limited. This is due to their inherent polar and hydrophilic nature and their consequent incompatibility with hydrophobic polymers. Therefore, it is often necessary to do hydrophobic modification treatment. The review examines a range of strategies for modifying ramie surfaces, encompassing physical, chemical, and biological processes. It also analyzes the procedures and techniques involved in the preparation and manufacturing of ramie-reinforced polymeric biocomposites. Moreover, an investigation is conducted to evaluate the performance of the composites produced. The performance evaluation includes both before and following fibre treatment, covering surface morphology, wettability, chemical composition, mechanical properties, and flame retardancy. Most of the researchers reported that alkaline and silane coupling agent treatments are the most prevalently applied pretreatments. Compared to biological and physical methods, the application of chemical agents enables excellent adhesion of fibre to polymer resins. However, the utilization of solvents such as ethanol and methanol increases the amount of waste produced and toxic compounds released. © 2024, idd3. All rights reserved.

关键词： Adhesion

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Green Synthesis of Iron Nanoparticles (FeNPs) using Aqueous Extract of Murraya koenigii Leaves: Synthesis Mechanism, Characterization Process and Antibacterial Activity

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Nanoscience and Nanotechnology - Asia 2024年第4期14卷 54-62页

作者： Samarawickrama, Rumesh Wijayapala, Samudrika Fernando, Annesly Nandana Department of Textile and Apparel Engineering Faculty of Engineering University of Moratuwa Moratuwa10400 Sri Lanka Department of Nano Science Technology Faculty of Technology Wayamba University of Sri Lanka Kuliyapitiya60200 Sri Lanka

Introduction: Green synthesis is the method of producing metal and metal oxide nanoparticles from the extraction of plant materials. This study aims to synthesize iron nanoparticles (FeNPs) using an aqueous extract of Murraya koenigii leaves as an eco-friendly approach and subsequently characterize the synthesized FeNPs to understand their structural, morphological, compositional and optical properties. Methods: The aqueous extract of Murraya koenigii leaves and 0.1M ferric chloride solution were combined at room temperature in a 1:2 volume ratio. The synthesized FeNPs were characterized using analysis methods of Scanning Electron Microscope (SEM), Energy Dispersive X-ray (EDX), X-ray diffraction (XRD), Fourier Transform Infrared (FTIR), UV-visible (UV-vis) and Tacu plot. Results: SEM images discovered that the particles were in the nanoscale range and their morphology appeared spherical shape. The EDX study was used to identify the composition of the elements of synthesized FeNPs. The crystal structure of the synthesised FeNPs was shown in the XRD spectrum. The FTIR spectrum showed many distinctive bands and the bands revealed active components for functional groups in the synthesized FeNPs. The UV-vis spectrum revealed an absorbance peak range of 240-310 nm for FeNP formation with a maximal peak at 273 nm. The band gap energy of the synthesized FeNPs was found to be 2.07 eV using the Tauc plot method. Also, the synthesized FeNPs exhibited a significant antibacterial effect against bacterial pathogens. Conclusion: The results of the characterization methods strongly suggest that the aqueous leaf extract of Murraya koenigii can be used as a reducing and stabilizing agent in the green synthesis of FeNPs. © 2024 Bentham Science Publishers.

关键词： Fourier transform infrared spectroscopy

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Copper Ions Removal from Wastewater by Electrocoagulation Using Cement-based Cathode Plates

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Journal of Wuhan University of technology(Materials Science) 2023年第2期38卷 387-393页

作者： YOU Song WU Jing WANG Shizhe WANG Wei LI Qiong ZAHNG Ganggang DING Qinjun WANG Luoxin College of Materials Science and Engineering State Key Laboratory of New Textile Materials&Advanced Processing TechnologyWuhan Textile UniversityWuhan430200China Department of Logistics Support Wuhan University of TechnologyWuhan430070China School of Materials Science and Engineering Wuhan University of TechnologyWuhan430070China

The present work uses PEO solution to well disperse carbon fiber and identifies percolation thresholds of carbon fiber and carbon black which are used as conductive *** resultant cathode plates have an average compressive strength of 27.3 MPa and flexural strength of 29.09 MPa,which demonstrate excellent mechanical *** Cu^(2+)removal efficiency was measured at different current densities in EC process with cement-based cathode plate,while the voltage changes were *** results showed that the cement-based cathode plate operated stably and achieved 99.7%removal of 1 L of simulated wastewater with a Cu^(2+)concentration of 200 ppm at a current density of 8 m A/cm^(2)for 1 *** of floc and tested cathode plates,SEM and EDS analyses,and repeatability testing of the tested plates demonstrate the reusability of the plates,proving that cement-based plates can effectively replace metal cathode plates,reduce the cost of EC and improve the applicability of EC devices.

关键词： electrocoagulation cathode plate cement-based conductive materials copper ions repeatability

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Design and Fabrication of Wearable and Stretchable EEG Headband Using textile-Based Electrode Wire 31

Design and Fabrication of Wearable and Stretchable EEG Headb...

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31st International Conference on Electrical engineering, ICEE 2023

作者： Motiepor, Kourosh Yaghouti, Arman Modoudi Bakhtiyari, Simin Jahanshahi, Amir Bagherzadeh, Roohollah Department of Electrical Engineering Tehran Iran Advanced Textile Materials and Technology Department of Textile Engineering Tehran Iran

ISBN: (纸本)9798350312560

Electroencephalography (EEG) is an evaluation of the electrical activity of the human brain. One of the primary challenges when recording EEG signals is its comfort and wearability for the user. Dry electrodes are a suitable alternative for commercially available wet Ag/AgCl electrodes due to the removal of conductive gel. Furthermore, with the increase in the number of channels, the electrode wires increase as well and make recording the signal more difficult. Electrode wires are used to transmit the EEG signal from the electrode to an amplifier. Due to the unwanted movements of the user, displacement of electrical wires introduces artifacts and noise in the received signal. It is preferred to integrate the electrodes and their electrical wires into an EEG cap or headband that can improve the level of user comfort. In this study, a novel textile-based electrode wire headband is designed and fabricated. Conductive copper wires are knitted into the fabric in a way that dry and wet electrodes can be conveniently interconnected. Thus, the technique prevents additional clutter of wires introducing the aforementioned artifacts. Various electrical and mechanical characterizations are performed on the fabricated sample to measure their electrical and elasticity performance compared to conventional electrical wires. © 2023 IEEE.

关键词： Electroencephalography

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Air transfer properties of outer shell of thermal protective fabric

Asian Textile Journal

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Asian textile Journal 2024年第1-2期33卷 21-26页

作者： Rathour, Rochak Das, Apurba Alagirusamy, Ramasamy Department of textile and fiber engineering Indian Institute of Technology Delhi Hauz Khas New Delhi110016 India

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The Indian Search Algorithm 2nd

The Indian Search Algorithm

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2nd International Conference on Cybersecurity and Evolutionary Data engineering, ICCEDE 2022

作者： Dutta, Anurag Kanti Kumar, Pijush Department of Computer Science and Engineering Government College of Engineering and Textile Technology Serampore India Department of Information Technology Government College of Engineering and Textile Technology Serampore India

ISBN: (纸本)9789819950799

Searching algorithms deal with searching for key $$\mathcal {K}$$ in a heap of data. In this work, an indigenous Searching Algorithm—"The Indian Search Algorithm" has been proposed that will be efficient enough to search for a key in the order $$\begin{aligned} \textrm{log}_{\left(k+\frac{1}{k+\frac{1}{k+\frac{1}{k+\frac{1}{k+\frac{1}{\ddots }}}}}\right) }{\left(n-1\right) }+\textrm{log}_2{\left(n\right) } \end{aligned}$$ where $$\left(k+\frac{1}{k+\frac{1}{k+\frac{1}{k+\frac{1}{k+\frac{1}{\ddots }}}}}\right) $$ is the kth metallic ratio. The Search Algorithm would be an efficient one at least for an Ordered List. In the paper, we have tried to incorporate two children from the same hierarchy—with the parent being the Generic Search with kth metallic ratio, which are Indo-Pellian Search, following the Pell Series, and Indo-Fibonaccian Search following the Fibonacci Series. The Computational Complexity of both have been evaluated. © The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd 2023.

关键词： Divide and conquer Fibonacci’s numbers Metallic ratio Pell’s numbers Searching

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Development of UV protective and antimicrobial CVC fabric using colloidal zinc oxide solution with carrot and orange peel extract

SPE Polymers

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SPE Polymers 2024年第4期5卷 576-589页

作者： Ghosh, Joyjit Repon, Md. Reazuddin Anas, Nimul Hasan Noor, Tasneem Mia, Md. Naeem Khan, Faizunnessa Sultana, Sunzida Rupanty, Nishat Sarmin Department of Textile Engineering Ahsanullah University of Science and Technology Dhaka Bangladesh Department of Textile Engineering Daffodil International University Dhaka Bangladesh Department of Bioproducts and Biosystems School of Chemical Engineering Aalto University Espoo Finland Department of Production Engineering Faculty of Mechanical Engineering and Design Kaunas University of Technology Kaunas Lithuania

Chronic exposure to ultraviolet (UV) radiation can cause degenerative changes in the cells, fibrous tissues and blood vessels. Moreover, microbiological attacks pose severe risks to human health and are a major cause of sickness worldwide. The aim of this work is to develop UV protective and antimicrobial materials using zinc oxide (ZnO) colloidal solution with carrot and orange peel extract. Treated samples were subjected to color strength (K/S value) measurement, scanning electron microscope (SEM) image analysis, attenuated total reflectance (ATR) Fourier transform infrared (FTIR) spectroscopy analysis, ultraviolet protection factor (UPF) test, bacterial reduction rate analysis and bursting strength measurement. The study revealed that the treated fabric exhibited remarkable UV protection capabilities, as evidenced by low transmission percentages across UV wavelengths and an outstanding UPF rating of 50, signifying excellent defense against harmful ultraviolet radiation. Additionally, antibacterial tests revealed the significant effectiveness of the treatment against common bacterial strains, with impressive reduction rates for Staphylococcus aureus (99.99%) and Escherichia coli (99.17%). Furthermore, the fabric's bursting strength, both in dry and wet conditions, remained nearly unchanged after treatment. ATR-FTIR analysis and SEM imaging provided insights into the phytochemical compounds that give protection against UV composition (44.63–49.91) and surface morphology of the treated fabric, elucidating the mechanisms behind its enhanced properties. Due to the availability of carrot and orange peel in nature and low cost of raw materials, this process can be considered to apply commercially for further research purposes. Highlights: Utilization of carrot and orange peel waste. Successful application of zinc oxide for antibacterial and ultraviolet protective materials. Excellent defense against harmful ultraviolet radiation. Significant effectiveness against common

关键词： antimicrobial activity carrot orange peel UV protection zinc oxide

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