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940 articles for “fabric”
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Passive Capillary Flow of Aqueous Working Liquids in the Straight PMMA Microchannels of Rectangular Cross- sections
Abstract: In this report, polymethylmethacrylate (PMMA) is used to fabricate the straight microchannels of uniform channel widths having rectangular cross-sections. Maskless lithography, hot embossing lithography and direct bonding are the chosen techniques to fabrication the straight PMMA microchannels. Aqueous ethanol and aqueous isopropyl alcohol (IPA) are the prepared aqueous working liquids to study the passive capillary flow characteristics. Total 8 individual straight PMMA microchannels are fabricated in this work. This work …
Published in Journal of Petroleum Engineering & Technology · Vol. 8, Issue 2, 2018 · pp. 5–8 Read article
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Design and Performance of Semiconductor-Biosensor
Abstract: In this work, a high electron mobility transistor (HEMT) based biosensor is designed to detect the virus-protein. In this work, all the simulation-studies are carried out in the SILVACO-ATLAS physical simulator using the following models: Shockley Read Hall (SRH), band gap narrowing, Auger recombination, and Fermi Dirac statistics. Newton trap numerical solver is used in the device simulation. Conduction band engineering of the biosensor is studied. DC and RF properties …
Published in Journal of Semiconductor Devices and Circuits · Vol. 8, Issue 2, 2021 · pp. 1–13 Read article
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Surface-Driven Capillary Flow of the Dyed Aqueous Ethanol in a single SU-8 based Glass Microfluidic Device integrated with the Arrays of Square Polyimide Micropillars
Abstract: In this work, a single SU-8 based glass microfluidic device is fabricated by the maskless lithography and indirect bonding technique. A particular polyimide layer at the selected portions and the arrays of square polyimide micropillars at the other portions are integrated on the microchannel bottom wall by the maskless lithography. Dyed aqueous ethanol (70% dyed water, 30% ethanol) is prepared as the working liquid in this work. A CMOS camera …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 6, Issue 1, 2019 · pp. 33–37 Read article
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Novel Method to Synthesize Thiazole-based Disperse Dyes and its Applications
Abstract: The present work aims to deal with novel method to synthesize thiazole based disperse dyes and its applications.Design/methodology/approach: Azo dyes is tailored for utilization as the most basic and a key ingredient in dyestuff sector with potential applications in textiles, paper, plastics, printing ink, etc. The synthesis of disperse and acid dyes derived from thiazole and pyrazolone as a coupling component. Thiazole based dyes shows antimicrobial activities. The dyeing performance …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 6, Issue 3, 2019 · pp. 30–34 Read article
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Optical Filters From Silicon Dioxide Doped Dyes
Abstract: In this work silicon dioxide powder of high purity 99.5% imported from china was used to fabricate optical filters by doping the SiO2 with green and red phenol dyes with different concentrations of 0.25,0.5,0.75 and 1 in terms of mg, four samples of red SiO2 doped phenol filters and four samples of green SiO2 doped phenol filters were produced by pressing the mixture of silicon dioxide powder doped with the …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 7, Issue 1, 2020 · pp. 39–48 Read article
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Experimental Demonstration on Microfluidic Capillary Flow of Red Dye in Photoresist based Glass Microfluidic Devices
Abstract: In this experimental work, a set of three individual SU-8 based glass microfluidic devices are fabricated by maskless lithography and indirect bonding technique in leakage-free conditions. Commercially available red coloured food dye is used as the selected working liquid. The microfluidic leakage in other set of two leaky microfluidic devices is experimentally demonstrated. Microfluidic devices should be fabricated at leakage-free conditions to achieve exact fluid flow characteristics. The effect of …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 7, Issue 1, 2020 · pp. 1–7 Read article
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Low-Velocity Impact Behaviour of 3d Printing Techniques Using Fiber Reinforcement Polymer Composites: A State of the Art Review
Abstract: Additive manufacturing (AM) is one of the pioneering fields of composite manufacturing, not only in the fabrication of composite all other emerging fields also utilize this technology. Fibers are one of the predominant reinforcing agents which are used to fabricate composite materials for many applications. This review article provides a detailed discussion about the role of 3D printing technology using fiber-reinforced composites in low-velocity applications. 3D printing technology provides very …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 8, Issue 2, 2021 · pp. 1–7 Read article
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Study of Wear Behaviour of GFRP Composites filled with Nanofiller using Taguchi Technique
Abstract: AbstractThe GFRP laminates are fabricated by hand lay-up process followed by vacuum bag curing and post cured in a heating oven. The laminates are fabricated with addition of 1%, 1.5% and 2.0% graphene filler and prepared laminates are cut into ASTM standards by using water jet cutting. The density and volume fraction of the void fabricated composite is determined. The three-body abrasive wear test is carried out on abrasion tester …
Published in Recent Trends in Fluid Mechanics · Vol. 5, Issue 3, 2018 · pp. 33–38 Read article
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Investigation of Microhardness and Microstructure Using Friction Stir Welding of Dissimilar Aluminium Alloys
Abstract: In this paper Friction Stir Welding (FSW) of two dissimilar aluminium alloys (AA5083 and AA6061) was successfully carried out by considering their advancing and retreating side during the process. It was observed from this experiment that the materials located on advancing side experience a longer contact under the shoulder of tool during process. This contact causes deformed and undeformed material to get larger contact with each other, so that the …
Published in Journal of Communication Engineering & Systems · Vol. 8, Issue 3, 2018 · pp. 37–44 Read article
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Achieving Surgical Accuracy in Implant Dentistry Using a CAD/CAM Stent: A Case Report
Abstract: Surgical accuracy is of utmost importance in implant dentistry as one of the most common aetiology of implant failure is related to incorrect placement. The surgical aspect of implant placement is vital to the stability, support and retention of the prosthesis to be placed later. CAD/CAM in dentistry has established strong footing in the field of Oral Implantology. The fabrication of a stent to guide the implant drill using CAD/CAM …
Published in Research and Reviews: A Journal of Dentistry · Vol. 8, Issue 1, 2017 · pp. 1–4 Read article
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Thin-Film Quantum Photonic Technologies for Quantum Teleportation
Abstract: One of the most important protocols in distributed quantum computing and quantum communication is quantum teleportation, which allows quantum information to be sent between distant nodes without actually sending the quantum particle. The teleportation process is fundamentally based on quantum entanglement, Bell state measurements, and classical communication channels, which collectively allow the accurate reconstruction of an unknown quantum state at a remote location. In recent years, rapid progress in integrated …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 13, Issue 2, 2026 · pp. 01–19 Read article
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DEM Simulation of Macro and Micro-scale Behavior of Granular Materials during Loading and Unloading
Abstract: The present paper aims at comparing the simulated stress-strain behavior of granular materials quantitatively with the experiment and exploring the evolution of the micro-scale behaviors during loading and unloading using the discrete element method (DEM). A numerical sample consisting of 9826 randomly generated spheres similar to the experiment was prepared. The numerically prepared isotropic sample was subjected to loading and unloading under strain controlled condition. It is noticed that the …
Published in Journal of Geotechnical Engineering Read article
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Short Report to Describe the Surface-driven Microfluidic Flow in Fluid Mechanics
Abstract: In this short report, a brief review on surface-driven microfluidic flow is provided. Also, the maskless lithography and indirect bonding technique are used to fabricate a single SU-8 based glass microfluidic device. Dyed ethylene glycol is prepared as working liquid to test the fabricated device. The surface-driven microfluidic flow of dyed ethylene glycol is recorded by a CMOS camera catching 25 frames per second with a corresponding time-scale resolution of …
Published in Recent Trends in Fluid Mechanics Read article
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Semiconductor Physics and Micron Scale Fluid Mechanics towards the Microelectromechanical Systems Associated with Nanotechnology
Abstract: Interrelations among semiconductor physics, microfluidics, nanofluidics and nanotechnology are briefly described. A single microchannel bend is designed and fabricated by author using the maskless lithography, hot embossing lithography and direct bonding. Dyed water is the selected and prepared working liquid in this work. Surface-driven (passive) capillary flow of working liquid is recorded in the fabricated microchannel bend using a CMOS camera. This work may be useful in applied chemistry.
Published in Research & Reviews : Journal of Physics Read article
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Incorporating Sensors and Algorithms for Enhanced Go-Kart Driver Awareness and Navigation
Abstract: This study is motivated by the Go Kart Design Challenge (GKDC), wherein dedicated teams from the University collaboratively endeavored to bring to life a competitive go-kart. Serving as an invaluable learning platform for mechanical engineers, the project involved comprehensive engagement in go-kart design calculations, budget estimations, fabrication, qualification testing, and dynamic participation in competitions. This paper succinctly outlines the key phases of the project, encompassing the design process, fabrication intricacies, …
Published in Journal of Polymer & Composites · Vol. 11, Issue 8, 2023 · pp. 362–373 Read article
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Formation, Characterization and Microscopic Study of Four- and Five-membered Ring
Abstract: Types of organic compounds are famous for many industrial and medical applications, including azo compounds, one of the largest groups involved in the manufacture of various organic compounds. For example, they are considered as initiators of free radicals in the polymerization reactions of alkenes used in the manufacture of plastics. Most of cyclic compounds have nano properties which make this type of compound important in organic field. It is also …
Published in OmniScience: A Multi-disciplinary Journal · Vol. 14, Issue 1, 2024 · pp. 1–15 Read article
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Improving Polymer Composite Properties Through Reinforcement Learning Guided Prototyping A Novel Approach for Material Engineering
Abstract: Innovative approaches integrating reinforcement learning (RL) and machine learning (ML) into the fields of polymer composite prototyping and soft actuator manufacturing for applications. This new an algorithm utilizing RL optimizes polymer composite fabrication parameters to enhance material properties efficiently. By iteratively adjusting parameters based on predefined objectives, the RL agent guides the prototyping process, promising to revolutionize polymer composite engineering. A finest control method for locked loop control of Shape …
Published in Journal of Polymer & Composites · Vol. 12, Issue 4, 2024 · pp. 208–218 Read article
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Fluid-Structure Interaction Simulation of Parachute by Eulerian-Lagrangian penalty method
Abstract: In general, modeling and simulation of a model consisting of fluid and solid combinations has been considered difficult, and it has become impossible in terms of computer dependencies and accuracy to be analyzed by Fluent or other programs. The parachute evaluation process, which is historically based on a large amount of experimental data, necessitates many falling experiments. These tests can be costly and time-consuming, and they don't always allow for …
Published in Recent Trends in Fluid Mechanics · Vol. 11, Issue 2, 2024 · pp. 15–22 Read article
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Design Optimization and Performance Analysis of Autonomous Drone Systems
Abstract: In recent years, drones have become indispensable tools across various industries, thanks to their versatility and wide-ranging applications. The fabrication of drones is a complex process that integrates multiple engineering disciplines, including mechanical design, electrical systems, aerodynamics, and software development. The meticulous design of the drone’s frame, taking into account factors such as weight, durability, and aerodynamic efficiency, marks the commencement of the fabrication process. The paper presented a comprehensive …
Published in Journal of Aerospace Engineering & Technology · Vol. 14, Issue 3, 2024 · pp. 21–30 Read article
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Novel Catalytic Strategies for Reducing Residual Stresses and Improving Surface Quality in Machined Ceramic Materials
Abstract: To prepare for material cutting and utilize utility-specific edges, it’s crucial to understand the inherent brittleness of ceramics. This brittleness limits the forming methods available and hinders achieving dimensional accuracy and precision through conventional machining techniques. The fabrication of composite materials is becoming increasingly significant, particularly in technical fields like the automotive industry, where they are used to manufacture engine connecting rods, propeller shafts, brake discs, and more. The machining …
Published in Journal of Catalyst & Catalysis · Vol. 11, Issue 2, 2024 · pp. 01–07 Read article