Search
147 articles for “Coupling”
-
Design of High Step-Up DC–DC Converter
Abstract: Design of high step-up DC–DC converter for a distributed generation system is proposed in this paper. The distributed generation (DG) systems in light of the renewable vitality sources have quickly created lately. These DG frameworks are controlled by miniaturized scale sources, e.g., energy components, photovoltaic (PV) frameworks, and batteries. The idea comprises of two stages, in the first stage the low level voltage from the PV cell is changed over …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 1, Issue 2, 2015 · pp. 7–11 Read article
-
A STATCOM based Control Strategy for Power Quality Improvement in a Hybrid Non-Autonomous Power System
Abstract: Power generating from solar and wind systems are more reliable and they have many advantages compare with conventional power generation systems. However, these solar and wind power systems are unpredictable in nature and varying with atmospheric conditions. When they operating alone they are poor power sources. Fortunately, these problems can be overcome by integrating these power sources. However, when these hybrid systems are interconnected to utility grid induce power quality …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 2, Issue 1, 2016 · pp. 15–29 Read article
-
Communication Channel Model between Two Neighbors in UAV Networks
Abstract: Unmanned Aerial Vehicle "UAV" networking is evolving as a major state of the art research field, thanks to the foreseen revolution in its applications. Enhancing the performance of such networks requires developing a channel model between any couple of neighbors within the UAV network. In this paper, we present a statistical signal reception model for the shadowed communication channel between two neighbors in a UAV network. In this model, we …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 1, Issue 2, 2015 · pp. 11–27 Read article
-
Characterization and Photocatalytic Treatment of Oil Produced Water Using TiO2
Abstract: Photo catalytic oxidation is gaining momentum in treating waste water very effectively coupled with solar energy. The solar nano photo catalytic technique involves excitation of a semiconductor through the adsorbent of the electromagnetic radioactivity, most generally within the UV spectrum. In one methodology titanium dioxide semiconductor is excited by using photons which possess sufficient electricity to motivate electrons from valence band which known as band gap, to the conduction band. …
Published in International Journal of Applied Nanotechnology · Vol. 3, Issue 1, 2017 · pp. 1–10 Read article
-
NANOTECHNOLOGY- A TINY POSSIBLE SOLUTION TO THE GLOBAL WATER CRISIS?
Abstract: The rapidly increasing population, depleting water resources, and climate change have resulted in prolonged droughts and floods. This has rendered drinking water a competitive resource in many parts of the world. The development of cost-effective and stable materials and methods for providing fresh water in adequate amounts is the need for today’s world. Traditional water/wastewater treatment technologies remain ineffective for providing adequate safe water due to increasing demand of water …
Published in International Journal of Applied Nanotechnology · Vol. 3, Issue 1, 2017 · pp. 23–32 Read article
-
A Review on Modified TiO2 Nanostructured Materials in DSSC
Abstract: Dye sensitized solar cells DSSCs emerged as a new class of low cost energy conversion devices with simple manufacturing procedures and environmentally friendly character.TiO2 controls the light harvesting and confinement properties of the cell, in addition to preventing charge recombination and promoting charge transport toward the anode. These last two parameters are major factors in determining the charge collection efficiency. The particle size and shape, crystallinity, surface morphology and chemistry …
Published in International Journal of Energetic Materials · Vol. 1, Issue 1, 2015 · pp. 10–21 Read article
-
Sustainable Metallurgy: Recycling and Eco-friendly Practices in Alloy Production
Abstract: The modern metallurgical industry faces a growing imperative to adopt sustainable practices to mitigate environmental impacts and conserve natural resources. This paper explores the advancements in sustainable metallurgy, emphasizing recycling and eco-friendly practices in alloy production. Key strategies include the development of closed-loop recycling systems, where end-of-life metal products are efficiently reprocessed to minimize waste and reduce the need for virgin raw materials. Innovations in alloy design, such as the …
Published in International Journal of Metallurgy and Alloys · Vol. 9, Issue 2, 2023 · pp. 18–23 Read article
-
Future Aspects of Nanotechnology-Scope & Applications in India
Abstract: Nanotechnology - the science of the miniature and the technology of the future - is one of the most exciting and wide area of research which may lead to the greatest technological advances of the 21st century. It is a global phenomenon and an emerging field that finds its way into a myriad of industrial applications spanning across all areas of science and technology. Even though the field is popular …
Published in International journal of Nanobiotechnology · Vol. 1, Issue 1-2, 2015 · pp. 8–13 Read article
-
Highly Birefringence and Flattened Dispersion Photonic Crystal Fiber for Polarization Maintaining
Abstract: In this paper we present flattened dispersion and highly birefringence photonic crystal fiber. Higher Birefringence is required in sensing to maintain the linear polarization by reducing polarization coupling. The Flattened dispersion is used broadband and telecommunication application. This paper structure is hexagonal pcf with circular air-holes and we calculate the pcf property like effective index, dispersion, birefringence, confinement loss. This PCF is designed by COMSOL Multiphysics Software.
Published in International Journal of Composite and Constituent Materials · Vol. 5, Issue 1, 2019 · pp. 22–27 Read article
-
Plant-drive Waste Fiber Reinforced Thermoplastic Composites: Modification of Fiber Surface Treatment
Abstract: Plant fibers are being utilized more frequently to create polymer composite parts for the aerospace, construction, and automotive industries. The increased awareness of the toxicity of synthetic fibers is what has caused a rise in the use of plant fibers across a variety of industries. It is crucial to emphasize that "Earth needs humans, not humans need earth," hence decision-makers and researchers are working to replace conventional materials with eco-friendly …
Published in International Journal of Composite and Constituent Materials · Vol. 9, Issue 1, 2023 · pp. 14–23 Read article
-
Evaluation of Antimicrobial Efficacy of Photogenic Iron Nanoparticles Against Xanthomonas campestris
Abstract: This study investigates the antimicrobial efficacy of photogenic iron nanoparticles (FeNPs) against Xanthomonas campestris, a notorious plant pathogen causing bacterial spot disease in various crops. The synthesis of FeNPs was achieved through a facile and eco-friendly green synthesis approach, utilizing a plant extract as a reducing and capping agent. The resulting photogenic FeNPs were characterized using various analytical techniques, confirming their size, morphology, and composition. The antimicrobial activity of the …
Published in International Journal of Composite and Constituent Materials · Vol. 9, Issue 2, 2023 · pp. 37–54 Read article
-
Market Assessment of Polymer Matrix Composites
Abstract: Polymeric composition compound with a plasticizer or very low proportion of pigment or processing aids are nonordinary consider as a composition the goal is to improve strength stiffness or toughness or dimensional stability by embedding particles in matrix or binding phase. Polymer-matrix composites are valued in the aerospace industry for their stiffness, lightness, and heat resistance. They are fabricated materials in which carbon or hydrocarbon fibres (and sometimes metallic strands, …
Published in International Journal of Composite Materials and Matrices · Vol. 3, Issue 1, 2017 · pp. 16–22 Read article
-
Studies of meta-materials
Abstract: AbstractMeta-materials are artificial composites designed to operate electromagnetic property. Properties of wave nature manipulation have originated fashioned fabrication. This has to perform as rigorous as subjected under adoption specific optical or microwave or acoustic provision. Fabrication has precision formof shape, geometry, size, orientation and arrangement of materials.Applicationof meta-materialsincludes super resolution imaging and optical as well acoustic sensing. Decay, separate and couple among as split transverse electric and magnetic to that …
Published in International Journal of Composite Materials and Matrices · Vol. 6, Issue 2, 2020 · pp. 47–52 Read article
-
A Detailed Lumped Model for Vinyl Acetate Emulsion Polymerization
Abstract: Abstract A mathematical model was developed to simulate emulsion polymerization of vinyl acetate monomer in isothermal, batch and semi-batch reactors. The recipe components included monomer (vinyl acetate), initiator (potassium persulfate), surfactant (sodium dodecyl sulfate) and water as the dispersion medium. The two important phenomena, particle nucleation and particle growth, were modeled in adequate detail. The mechanistic details included: particle formation via micellar nucleation; coupling of the radical concentration in the …
Published in International Journal of Polymer Science and Engineering · Vol. 5, Issue 1, 2019 · pp. 1–12 Read article
-
Short Report on the Effect of Atmospheric Dielectric Barrier Discharge Plasma Processing to Control the Capillary Flow in Polymer based Microfluidic Devices
Abstract: In this experimental work, a couple of microfluidic devices are fabricated by polymethylmethacrylate (PMMA) using the maskless lithography, hot embossing lithography and direct bonding technique. One device is fabricated by pristine PMMA, and the other device is fabricated by dielectric barrier discharge (DBD) plasma processed PMMA. Dyed water is selected and prepared as working liquid. Each surface-driven capillary flow of dyed water is recorded by a CMOS camera. This work …
Published in International Journal of Polymer Science and Engineering · Vol. 6, Issue 2, 2020 · pp. 1–4 Read article
-
Study of Heavy Metal ion adsorption from Synthetic Wastewater with the help of biomass and analysis of Mathematical Model
Abstract: The biofilm matrix is a mixture of secreted polymers, metabolites and nutrients ingested, lysis solution products, and even particle debris. This matrix, which is polyanionic by nature, is essential for the activated carbon of metal cations. In this study, the heavy metal adsorption mechanism in biofilms is modelled in one spatial dimension. The numerical method is a free-boundary value issue for nonlinear parabolic and quadratic partial differential equations. Parabolic equations …
Published in International Journal of Polymer Science and Engineering · Vol. 8, Issue 1, 2022 · pp. 45–56 Read article
-
Study of PLA and its Synthesis Kinetics
Abstract: In this project we studied about Polylactic Acid and its production kinetics. The most often found optically active hydroxycarboxylic acid is lactic acid (LA, also known as 2-hydroxypropionic acid). In the form of L-and D-Lactic Acid, this chiral molecule may be found. The building blocks of polylactide are carboxylic acid monomers produced by fermentation of sugars from renewable sources, such as sugar cane, beet root, or corn starch. These sugars …
Published in International Journal of Polymer Science and Engineering · Vol. 8, Issue 1, 2022 · pp. 16–27 Read article
-
Fracture and crack propagations in plates - A review
Abstract: The development and applications of the boundary based finite element technique for fractured mechanics analysis are reviewed. Also, some researchers used the complex variable method and least boundary allocation method. In this method, most researcher investigated the 2-D isotropic, anisotropic and orthotropic materials for makes different types of plate such like this rectangular and circular with various cracks and hole cut-outs and these plates are used different types of bi-axial …
Published in International Journal of Mechanics and Design · Vol. 4, Issue 1, 2018 · pp. 1–14 Read article
-
Experimental Investigations for Reduction of Defects In MIG Welding Process
Abstract: An experimental analysis has been tested to understand the roll of process parameter of MIG welding on under frame assembly components. Three important process parameter like a current, voltage and rate of gas flow MIG Welding process were used to reduce the welding defects in under frame assembly components. Taguchi method approach has been adopted to identify the process parameter level to have reduced welding defects in under frame assembly …
Published in International Journal of Mechanics and Design · Vol. 8, Issue 2, 2022 · pp. 35–45 Read article
-
Optimization of Machining Parameters for Nylon 6 Composite in CNC Lathe Using PCA-Based TOPSIS
Abstract: This work investigates the parametric optimization of CNC turning operation for Nylon 6 with principal component analysis (PCA) and technique for order preference by similarity to ideal solution (TOPSIS) based on Taguchi approach. Taguchi’s L16 orthogonal array takes 16 experimental runs to execute the design matrix of turning parameters through PCA coupled with TOPSIS, utilizing relevant experimental data as obtained through experimentation. Turning speed (TS), feed rate (FD) and depth …
Published in International Journal of Manufacturing and Materials Processing · Vol. 4, Issue 1, 2018 · pp. 36–47 Read article