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2000 articles for “CO” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Simulation and Analysis of the Slip Recovery Energy Method for the Speed Control of Three-phase Slip Ring Induction Motor
Abstract: ABSTRACT This paper describes the energy savings in large electric drives by using implementation of “Slip Power Recovery Scheme”. The primary intention of this paper is to furnish direction for selecting and employ electric drives supported on energy efficiency and life-cycle cost. Slip power recovery wound rotor induction motor drives are used in high power, limited speed compass applications where control condition of slip power gives the variable speed drive …
Published in International Journal of Microwave Engineering and Technology · Vol. 5, Issue 1, 2019 · pp. 24–30 Read article
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A Comprehensive Approach to Design and Implement a Fast FIR Filter for Signal Processing Applications
Abstract: Signal processing, communications, and computers all rely heavily on the field of digital signal processing (DSP). In DSP important application is Finite impulse response (FIR) filter. The initial objective of this inquiry is to present an approach for an improved framework of a FIR digital filter through the programme level to the hardware level. It influences the decision on design approaches, architecture, and the efficient use of hardware. The window …
Published in International Journal of Microwave Engineering and Technology · Vol. 9, Issue 1, 2023 · pp. 1–19 Read article
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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
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RESEARCH ON RENEWABLE GENERATION SYSTEMS USING MULTI-PORT CONVERTERS BASED ON FULL BRIDGE AND BI-DIRECTIONAL DC-DC TOPOLOGIES
Abstract: Renewable energy is energy which comes from the natural resources such as from sunlight, wind, rain, Tides and geothermal heat. These resources are renewable and can be naturally replenished. Therefore, for all the practical purposes, these resources can be considered to be inexhaustible, unlike dwindling conventional fossil fuels. The global energy crunch has provided a renewed impetus to the growth and development of Clean and Renewable Energy sources. Clean Development …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 3, Issue 1, 2017 · pp. 24–34 Read article
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Power Factor Improvement in Single Phase System Using Active Front End Converter
Abstract: There are some major drawbacks of conventional front end converter like low power factor and high harmonic content. Hence, there is a continuous need for power factor improvement and reduction of line current harmonics. Development of new circuit topologies and control strategies for Power Factor Correction (PFC) and harmonic reduction has become still more essential with the introduction of strong technical IEC standards. This work is based on the difference …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 8, Issue 2, 2022 · pp. 24–34 Read article
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Denoising of Computer Tomography images using Wavelet based Multiple Thresholds Switching (WMTS) filter
Abstract: Computer Topography images are often corrupted by salt and pepper noise during image acquisition and /or transmission, reconstruction due to a number of non-idealities encountered in image sensors and communication channels. Noise is considered to be the number one limiting factor of CT image quality. A novel decision-based filter, called the wavelet based multiple thresholds switching (WMTS) filter, is used to restore images corrupted by salt-pepper impulse noise. The filter …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 1, Issue 1, 2015 · pp. 1–6 Read article
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Emerging Trend of Rubber and Polymer Nano-composites
Abstract: This review is a description of rubber and polymer constituted forms to enhance desirable properties. Fibre reinforced thermo-setting polymers are constituted from fabrics in polymer, which cross linked matrix has stiff and tough properties after addition of another constitutive. Electrical stress originating in hot spots has removed after use of proper nano filler in place of two type coats on electrical cables. Increasing performance oriented properties have subjected additional descriptive, …
Published in International Journal of Applied Nanotechnology · Vol. 7, Issue 1, 2021 · pp. 9–17 Read article
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Design and Implementation of a Vaccine Solar Cooling System
Abstract: The research reported in this paper suggests a new design for a vaccine chilling and storage locker that really can keep vaccines cold (2°C to 8°C) in the cold chain. This design was created to make the African immunisation week go as smoothly as possible. This refrigeration and storage unit was created to be small, portable, and well-isolated, with a PV solar power system as a power source. An Liquid …
Published in International Journal of Energetic Materials · Vol. 8, Issue 1, 2022 · pp. 21–37 Read article
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Optimization of Active Cutting Power Consumption by Taguchi Method for Rough Turning of Alloy Steel
Abstract: In this study, the active cutting power consumption (ACPC) is optimized as it is usually the major factor of the electricity bills in machining operations. The EN 353 alloy steel is used as workpiece material during rough turning while varying cutting parameters and nose_radius. The experiments were conducted in accordance with the Taguchi’s L-27 standard arrangement and the interactions between parameters were also considered with tungsten carbide inserts. The optimum …
Published in International Journal of Metallurgy and Alloys · Vol. 6, Issue 1, 2020 · pp. 37–45 Read article
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INVESTIGATIONAL STUDIES ON MECHANICAL PROPERTIES FOR FRPS COMPOSITES
Abstract: The fibre reinforced composite materials consists of fibres of significant stiffness and strength embedded in a matrix with distinct boundaries between them and these materials had better mechanical properties when compared to normal metals which are thought as better substitutes to metals and add strength and reduces weight of a given system.The strength of FRPSS varies basing on its constituents and composition of constituents. In marine field where high strength …
Published in International Journal of Metallurgy and Alloys · Vol. 6, Issue 1, 2020 · pp. 1–6 Read article
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MWCNT AND GRAPHENE FOR IMPROVED CORROSION RESISTANCE OF MILD STEEL
Abstract: ABSTRACTThe protective coating method is a passive corrosion protection technique. The protective coating detaches the metallic surfaces from the aggressive media, such as moisture, salts, acids etc. Nanotechnology is a relatively modern development in scientific research, the development of this concept occurred over a very short period of time. One technique that has recently been used to increase the adhesive and anti-corrosive properties of polymer coatings is the addition of …
Published in International Journal of Metallurgy and Alloys · Vol. 6, Issue 2, 2020 · pp. 12–17 Read article
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Blend of biocompatible Magnesium oxide nano molecule and its anticancer action against human colon cell line
Abstract: Metal oxides occupy a critical part in numerous zones of science, and material science. Metal oxide nano materials are vital and fantastic materials. Present work concentrated on to union of MgO nanoparticle by Green technique utilizing [6]-Gingerol, were subjected to sub-atomic docking ponders for the restraint of leukotriene A4 hydrolase (LTA4H) protein is viewed as a significant focus for disease treatment. In silico expectation utilizing a docking approach uncovered that …
Published in International journal of Nanobiotechnology · Vol. 2, Issue 2, 2016 · pp. 8–15 Read article
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Indian Perspective of COVID-19 Pandemic
Abstract: Year 2020 started with a deadly viral disease COVID-19 induced by novel corona virus. This happened not for the first time because SARS and MARS had been other corona viral diseases developed in the past. As per sources the disease originated from Wuhan China, spread to almost all the countries and thus declared as pandemic. Evidence based medical therapy still has not been available. Prevention is only known effective measure. …
Published in International journal of Nanobiotechnology · Vol. 7, Issue 1, 2021 · pp. 18–23 Read article
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Growth of CNT in a Stainless Steel Surface by Using Gold Nanoparticle as a Catalyst for Corrosion Less Implants
Abstract: Now a day’s maximum implant are failure due to corrosion or infection. And the infection is happened due to growth of Escheria coli, steptococus, miccrobacterium tuberculosis like bacteria. Carbon nanotubes based stainless steel implant may be the promising outcome for corrosion. Carbon nano tubes when irradiate with NIR will heat up to 70oC and it has been demonstrate that folic acid adsorbed on carbon nano tubes allow specific binding to …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 2, Issue 2, 2016 · pp. 1–5 Read article
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Preparation of Conducting Polyaniline Film for OLED Application
Abstract: Polyaniline is a conducting polymer of the semi-flexible rod polymer family, this polymer captured the intense attention of the scientific community due to the rediscovery of high electrical conductivity. In present work we have prepared the polyaniline with the chemical method and done various characterization UV – vis, FTIR, and SEM. Thin film of polyaniline is prepared with the help of spin coater and determine the I-V characteristics and also …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 5, Issue 2, 2019 · pp. 27–35 Read article
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Synthesis of 2-(2,3-dichlorophenyl)-5-(substituted)-1,3,4-Oxadiazole Microcrystals by Solvothermal Method and Assessment of in vitroAntibacterial with Docking and in vivo Larvicidal Efficiency with Comprehensive Toxicological Studies
Abstract: 2,5-Disubstituted 1,3,4-oxadiazole compounds are among the most beneficial organic molecules of biological importance. In the current research, a new series of 2-(2,3-dichlorophenyl)-5-(substituted)-1,3,4-oxadiazole compounds have been synthesized solvothermally from derivatives of2,3-dichloro-N'-(substituted)benzohydrazide and Chloramine-T as an oxidizing agent using autoclave with good yield. The obtained products are micro-sized (5µm–20µm) crystals confirmed through SEM. The structures of synthesized compounds were confirmed through IR, 1H-NMR, 13C-NMR, mass Spectroscopy, Elementary analysis. Molecular docking study shows …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 6, Issue 1, 2020 · pp. 29–44 Read article
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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
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Implications of ceramic – metal matrix compose
Abstract: AbstractThis article summarizes some formatives over WC-metal matrix composite surfacing on hard as well soft alloys. Composite surface has coated by laser, plasma and electroplating. WC-Ni composite has prepared by plasma transferred arc welding on steel surface. Thickness achieved from several mm on small parts to thin deposits on large surfaces. Cu-substrate accorded WC-Ni laser cladded deposition. Laser deposition of WC-Ni-NiCr on stainless has increased wear and erosion under flowing …
Published in International Journal of Composite Materials and Matrices · Vol. 6, Issue 2, 2020 · pp. 31–37 Read article
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Effect of Coupling Agent on Organoclay Dispersion in Polyethylene/Organoclay Nanocomposites for Packaging Industry
Abstract: Low-density polyethylene (LDPE) is one of the most widely used polymers in various fields, but due to the hydrophobic nature of LDPE, it is hard to prepare an LDPE/clay nanocomposite. In this article, an LDPE/organoclay nanocomposite, which can be used in the packaging industry, was prepared by melt-blending organoclay with a polymer matrix (LDPE) and compatibilizer, low molecular weight oxidized polyethylene. The influences of organoclay, and compatibilizer during melt mixing …
Published in International Journal of Composite Materials and Matrices · Vol. 9, Issue 1, 2023 · pp. 1–11 Read article
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Mechanical Behaviour of Natural Reinforced Polymer Composites with Hybrid Additives
Abstract: The implementation of natural fibres is the fast approaching ‘green’ economy based materials that are used in polymer matrix composites that are intended to replace the conventional synthetic polymer composites. Being plenteous fundamentally, natural fibres have been existed the primary form of natural resources for centuries. Considering that mechanical properties of composites are strongly influenced by the quality of the fibre/matrix interface and with eco-friendly properties like excellent energy absorption, …
Published in International Journal of Polymer Science and Engineering · Vol. 2, Issue 1, 2016 · pp. 7–12 Read article