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1019 articles for “IEEE802.11”
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Optimization of Wear and Friction Parameters of Al-WC Composite Using Response Surface Methodology
Abstract: This paper aims to optimize the wear and friction parameters of Al-WC composite using response surface methodology. Initially dry sliding wear test on specimen of Al-0WC, Al-5WC, Al-8WC and Al-11WC composites were performed using pin-on-disc equipment under atmospheric conditions, with the varying parameters of the applied load 80KN and Sliding distance 6700m and the sliding velocity is kept constant of 3.34 m/s. The optimum parameters of wear mass loss and …
Published in Journal of Materials & Metallurgical Engineering · Vol. 9, Issue 3, 2019 · pp. 17–26 Read article
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Study on High Strength Ti-Al-V Alloy at Cryogenic Temperature
Abstract: The α+β type high strength titanium alloy is usually used as a structural biomaterial for the manufacturing of orthopaedic prostheses as well as surgical and dental implants. The Ti-Al-V alloy had been deliberately solution treated at 860°C for 1 h (subsequently quenched in variable mediums) just below the β transus but within the α+β region to avoid grain coarsening for single β region as well as accomplish optimum balance properties …
Published in Journal of Materials & Metallurgical Engineering · Vol. 13, Issue 1, 2023 · pp. 1–14 Read article
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High Throughput LMS Adaptive Filter Architectures using Pipelining and Parallel Processing
Abstract: AbstractIn this paper, a study on existing designs of adaptive filter based on LMS algorithm is done. The primary aim is to reduce the critical path delay and thereby improve throughput. The excess use of multipliers or the lack of a time efficient one and longer cycle periods reduces the effectiveness of any adaptive filter implementation. Here, a simple and highly time efficient Vedic multiplier is used in the implementation …
Published in Journal of Microelectronics and Solid State Devices · Vol. 5, Issue 2, 2018 · pp. 11–19 Read article
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Gallium Nitride based HEMTs in Nano-Scale Regime
Abstract: AbstractIn this work, a maximum drain current of 557 mA is achieved by the simulated structures of double-heterojunction HEMTs using the SILVACO-ATLAS software tool. The drain current is found to be higher at shorter gate length. The drain current is observed as higher at larger aluminium mole fraction. The drain current is also higher at larger thickness of AlGaN barrier layer. Again, the drain current is higher at larger doping …
Published in Journal of Microelectronics and Solid State Devices · Vol. 5, Issue 3, 2018 · pp. 11–21 Read article
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Reducing Cell Density Congestion Issue in Chip Design
Abstract: AbstractThe congestion issues reduce with the help of shrinking process technologies. Here, typical placement objectives involve reducing cell density congestion in a chip design. Congestion reducing is the least understand; however, it models route ability most accurately. The congestion issue is cell density (commonly believed to be very effective) does not always work well, so here by applying the partial block technique for the cell density is among the best …
Published in Journal of Microelectronics and Solid State Devices · Vol. 6, Issue 3, 2019 · pp. 11–17 Read article
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IOT Based Bidirectional Energy Metering with Auto-Bill Generation in Solar PV Systems
Abstract: AbstractFor a soon to be developed India, the renewable energy resources will be the centre around which the wheel of growth will revolve. In our country the energy shortage problem and the alarming rate at which pollution is rising have given way to the domestic solar photovoltaic ON grid system. This leads to the problem of bidirectional metering of electrical energy. In response to this problem we are developing this …
Published in Journal of Microelectronics and Solid State Devices · Vol. 7, Issue 1, 2020 · pp. 11–17 Read article
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Nuclear Safety and Regulation: A Review
Abstract: AbstractNuclear safety is defined by the International Atomic Energy Agency as “The achievement of proper operating conditions, resulting in protection of workers and environment from hazardous radiations”. The nuclear industry has continuously improved its safety standards and several regulatory boards monitor the nuclear setups to maintain the safety. However, many instances the safety lapse has resulted in disasters. The IAEA works in conjunction with member states and partners worldwide to …
Published in Journal of Nuclear Engineering & Technology · Vol. 7, Issue 2, 2017 · pp. 29–31 Read article
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Nuclear Energy Scenario in India
Abstract: Currently, the demand of electrical energy is increased day by day and to control this demand is very difficult for a country and its people. This kind of demands also affects the environment as most of the energy creation by fossil fuel causes the emission of CO2 and hits the economy of country. To resolve this kind of issue we used nuclear energy as an alternative source of energy for …
Published in Journal of Nuclear Engineering & Technology · Vol. 8, Issue 2, 2018 · pp. 11–14 Read article
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Characteristics of PWC-11 in Atomic Reactors
Abstract: AbstractCarbon (0.1%) addition to basic Nb – 1 Zr alloy has introduced carbide precipitation to enhance desirable properties. Precipitation hardened PWC – 11 compared to solid solution hardened Nb – 1 Zr alloys show no appreciable changes by low cycle fatigue behavior, even failure modes are also similar i.e. intergranular cracking. Selections of suitable alloys are considered for resistance to high temperature in extraterrestrial environments and resistant to radioactive neutron …
Published in Journal of Nuclear Engineering & Technology · Vol. 9, Issue 2, 2019 · pp. 37–46 Read article
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Compatibility Issues of Heat Pipes for Radioactive Exposures
Abstract: AbstractSelection of alloys are refractory materials those withstand high temperature, radioactive embrittlement effects for long periods. Effects of high temperature and neutron embrittlement are subjects considered in this article. Effects of coolants, reactive gases like oxygen are facts of importance to select materials for reactor construction system. Selections of radioactive protecting alloys like sleeves are of importance to produce systems within margins of weight. Compatibilities have been decisive among material, …
Published in Journal of Nuclear Engineering & Technology · Vol. 9, Issue 3, 2019 · pp. 24–32 Read article
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Comparison of Central Inverter and String Inverter for Solar Power Plant: Case Study in Vietnam
Abstract: AbstractSolar power technology is developing rapidly in Vietnam and investors are interested in developing the solar power plant. Comparison of the choice of grid-tie inverter technology between central inverter and string inverter can affect the change of investment cost, operation and maintenance costs, and operation efficiency of solar power plants in the real condition. However, most of solar power plants in Vietnam are currently in the design stage, so experience …
Published in Journal of Nuclear Engineering & Technology · Vol. 9, Issue 3, 2019 · pp. 11–23 Read article
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Performance Evaluation Studies of Purolite NRW-5010 and Indion AGR Anion Exchange Resins by Radioactive Tracer Technique
Abstract: AbstractThe characterization of organic base anion exchange resins Purolite NRW-5010 and Indion AGR was made by application of short lived radio tracer isotopes 131I and 82Br. The characterization of the two resins was based on their performance during iodide and bromide ion-isotopic reaction taking place between the resin surface and the external labeled ionic solution. The exchange reactions were carried out by using the ionic solution in the concentration range …
Published in Journal of Nuclear Engineering & Technology · Vol. 4, Issue 1, 2014 · pp. 13–24 Read article
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A Study on adsorption of Phenol red dye and Chromium (VI) metal ion using activated carbon derived from Lantana camara with the activation of potassium hydroxide.
Abstract: Commercial activated carbons are expensive to produce and regenerate, it is essential to produce activatedcarbon using low-cost raw materials and methods. This study's goal is to demonstrate the possible adsorptionproperties of activated carbon made from Lantana camara for the removal of dyes and metal ions fromaqueous solutions. In this study, activated carbon from Lantana camara stems was obtained through a one-step chemical activation procedure using potassium hydroxide KOH. The surface …
Published in Journal of Nuclear Engineering & Technology · Vol. 13, Issue 1, 2023 · pp. 1–10 Read article
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Sustainable Hydrogen for a Green Future: A review of Production and Storage Technologies
Abstract: India, with one of the biggest economies with a GDP of USD 2.7 trillion, is still considered a developing nation. Many Indian rural areas are not under electricity supplying system. That’s why this paper is a solution based on ecofriendly technique. Generally, wind power and Solar power system built on dryclimate rural area (Karnataka, Central Maharashtra, Interior Tamil Nadu, Western Andhra Pradesh). Other side wind power, solar power and mainly …
Published in Journal of Nuclear Engineering & Technology · Vol. 13, Issue 1, 2023 · pp. 23–29 Read article
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ISOLATION OF CELLULOSIC NANOPARTICLES FROM COIR FIBRE FOR THE PREPARATION OF NATURAL RUBBER COMPOSITES
Abstract: Coir fibre and natural rubber are renewable and sustainable agro-resources that can be harnessed for the production of finished rubber articles on industrial scale. In this research, coir fibres extracted from coconut husk were subjected to alkaline-peroxide delignification. The delignified fibres were further transformed into coir fibre cellulosic nanoparticles (CFNP) with particle size distribution of 68–311 nm and a polydispersity index (PDI) of 0.371 through friction homogenization. These particles were …
Published in Journal of Polymer & Composites · Vol. 6, Issue 1, 2018 · pp. 9–16 Read article
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Characterization and Gamma Irradiated MA-EMA Copolymer by ESR and FTIR Techniques
Abstract: AbstractGamma irradiation effect of methacrylamide-ethyl methacrylate (MA-EMA) copolymer has been investigated by electron spin resonance (ESR) and Fourier Transform infrared (FTIR) spectroscopic techniques. The ESR spectrum observed for gamma irradiated MA-EMA copolymer has shown resolved hyperfine (hf) pattern at lower temperatures (77K) while at higher temperatures the spectrum is appeared to be broadened. Fourier Transform Infrared spectra of pure and gamma irradiated MA-EMA copolymer have been recorded for the copolymer …
Published in Journal of Polymer & Composites · Vol. 4, Issue 3, 2016 · pp. 40–44 Read article
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Synthesis and Characterization of Emulsion Paint Binder from a Copolymer Composite of Dimethylol Urea/Polystyrene
Abstract: AbstractIn our desire to reduce formaldehyde emission from urea formaldehyde resin (UF), dimethylol urea (DMU) was synthesized. Liquid polystyrene (PS) obtained from waste PS material was copolymerized by blending with the DMU at varying concentrations (10–70%). Infrared spectra infers a reactive blending between DMU and PS, while some physical property tests carried out reveals reduction in moisture uptake, rigidity and further reduction in formaldehyde emission among the favorable changes in …
Published in Journal of Polymer & Composites · Vol. 3, Issue 2, 2015 · pp. 11–21 Read article
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Studies in Effect of Alumina Nanoparticles on the Properties of Unplasticized Polyvinylchloride (PVC)
Abstract: AbstractUnplasticized polyvinylchloride (PVC)/nano-alumina composites were prepared using high- speed mixer, two-roll mills and compression molding. In the composite, the concentration of nano-alumina was varied from 0 to 7 phr (parts per hundred). The prepared composites were characterized for mechanical, thermal, electrical, crystallinity and morphological properties. Optimal improvement in properties was obtained at 5 phr concentration of nano-alumina in the PVC matrix. Tensile strength, tensile modulus, flexural strength, flexural modulus and …
Published in Journal of Polymer & Composites · Vol. 1, Issue 2, 2013 · pp. 27–34 Read article
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Enhanced Thermal Conductivity of Polyaniline Nanofluids Synthesized using CuCl2 as Catalyst
Abstract: AbstractThe development of nanofluids for enhancing the heat transfer properties over the conventional fluids is mainly hindered by a vital issue of dispersion stability and hence is being explored in the present work. In the present study, Copper Polyaniline nanoparticle was synthesized by the oxidative polymerization method using CuCl2 as a catalyst. The characterization of Copper Polyaniline was performed. The sizes of nanoparticles were found to be within 7.24 nm …
Published in Journal of Polymer & Composites · Vol. 11, Issue 1, 2023 · pp. 20–40 Read article
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Development of a predictive model for determining mechanical properties of nano Al2O3 reinforced adhesive bonded SS304 single lap joint
Abstract: In this study, single lap joints were prepared by adding nano-additives (Al2O3) in the quantity of 3 wt % in the phenolic resin, and the overlap length was varied to observe the effect on joint engineering properties. In the experiments, a single component system of a specific grade of phenolic resin was used as a binder, and aluminum (AA8011), as well as stainless steel (SS304), was used as adherends. The …
Published in Journal of Polymer & Composites · Vol. 10, Issue 3, 2022 · pp. 20–28 Read article