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1870 articles for “presentation” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Beveled Shaped Filtenna for Ultra Wideband Applications
Abstract: AbstractA compact microstrip line fed beveled shaped filtenna is presented for ultra-wideband application. It is intended to work in the frequency range of 3.10 to 11.75 GHz and having the size of 30.5× 25×1.6 mm3. The filtenna consists of a modified three resonators based band pass filter integrated into the feed line of the modified antenna. In addition to this, a modified semicircular like the ground plane is also present. …
Published in Journal of Microwave Engineering and Technologies · Vol. 5, Issue 3, 2018 · pp. 1–10 Read article
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Plus Slotted Circular Patch Antenna for WiMax/WLAN Applications
Abstract: A wideband compact circular patch microstrip antenna is presented for various wireless systems such as WLAN and WiMax applications. The proposed antenna has been fabricated and the return loss bandwidth is measured. The simulated and measured antenna such as return loss, bandwidth and gain are presented. The Experimental result shows that the proposed antenna presents a bandwidth of 78.81% with the maximum gain of 6.2 dBi.
Published in Journal of Microwave Engineering and Technologies · Vol. 1, Issue 3, 2014 · pp. 38–43 Read article
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Comparative Study of Parabolic Leaf Spring and Different Materials
Abstract: AbstractSprings are used in automobile applications as they expand in size when loaded and regain its original shape when removed. They also absorb vibrations, shocks and loads utilizing damping, they absorb the energy in the form of potential energy. Springs’ capacity to absorb and store more strain energy makes the suspension system more comfortable. Conventional spring and parabolic springs are widely utilized springs and are currently the topic of research …
Published in Journal of Materials & Metallurgical Engineering · Vol. 7, Issue 2, 2017 · pp. 23–27 Read article
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Recovery of Iron Values from Iron Ore Slimes using Reagents
Abstract: Mining wastes include waste generated during the extraction, beneficiation or processing of minerals like iron ore fines, slimes and tailings. Approximately 10–20% of the raw material is discarded as slimes in to slime ponds/tailing dams. Recovery of iron values from slimes result in economic benefit by utilization of waste as a resource and minimizes the threat to the environment. The iron ore slime is generally considered as waste due to …
Published in Journal of Materials & Metallurgical Engineering · Vol. 6, Issue 3, 2016 · pp. 32–43 Read article
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Free Vibration Analysis of Moderate Thickness in Orthotropic Laminated Composite Plate Using FE Method
Abstract: This study presents the free vibration analysis of a composite laminated plate with respect to various parameters. Effect of orientation on a plate, effect of boundary conditions, effect of thickness to width ratio, effect of changing the number of ply on a plate and the effect of young’s modulus ratio are presented in this study. Classical boundary conditions are used to perform all the studies. Free vibration analysis of plate …
Published in Journal of Materials & Metallurgical Engineering · Vol. 9, Issue 3, 2019 · pp. 1–8 Read article
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Preparation and Characterization of Multifunctional Ferrite Nanoparticles for Photocatalytic Applications
Abstract: Ferrite is having both electrical and magnetic properties. Now a days it has importance as a technological material. A review of ferrite study regarding science and technology of ferrite by different scientists is presented in this paper. The history and applications of ferrites are explained by various illustrations. It gives an overview of ferrites as a nano particle. It presents a broad overview of ferrite research, from bulk to nanoscale …
Published in Journal of Materials & Metallurgical Engineering · Vol. 11, Issue 2, 2021 · pp. 38–42 Read article
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Analysis of Signal Delay in Carbon Nano Tube based Interconnects at 32 nm Technology Node
Abstract: AbstractIn the present world demand for portable devices and high speed processor is rising which brings out a challenging issue of scaling for designers. In this paper, we have presented the effect of copper and CNT based interconnects for different length at 32 nm technology node. The performance of both types of interconnects are analyzed and compared in form of propagation delay. Propagation delay in interconnects between the elements is …
Published in Journal of Microelectronics and Solid State Devices · Vol. 5, Issue 1, 2018 · pp. 20–26 Read article
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Fabrication and characterization of Tensile properties ofaluminium 5083/silicon carbide/fly ash composites for advanced engineering applications
Abstract: The present work includes the fabrication of hybrid Metal Matrix Composite materials by consolidating the attractive traits of Metals, Ceramics and byproducts of combustion in power plants. More often than not, when no less than two reinforcements are introduced into the matrix phase, it is known as a hybrid composite and current research focuses on fabrication and characterization of composite materials. Aluminum Metal Matrix Composites with Silicon carbide reinforcements are …
Published in Journal of Polymer & Composites · Vol. 6, Issue 2, 2018 · pp. 6–9 Read article
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Application of Poly (o-anisidine) Nanocomposite and PET Recycled Polyester Amide in Anticorrosive Coatings
Abstract: AbstractPolyethylene terephthtalate (PET) was depolymerized through aminolysis technique using ethanolamine into Bis (2-hydroxyethylene) terepthalamide (BHETA). BHETA is having hydroxyl functionality present in it so it is used as monomer and treated with sebacic acid using sulphuric acid as a catalyst. The synthesized resin having ester linkage present in it along with that in BHETA, amide linkage is also present hence it can be called as polyesteramide resin. This synthesized carboxyl …
Published in Journal of Polymer & Composites · Vol. 2, Issue 2, 2023 · pp. 1–13 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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Synthesis and Characterization of Al-Mg-Si Alloy based Hybrid Composite Reinforced with SiC and Graphite
Abstract: The present work is carried out to investigate the mechanical properties of Al-Mg-Si alloy matrix based hybrid metal matrix composites (MMCs) using stir casting method owing to its popularity and large scale productions. SiC and graphite reinforcements were added each with 1%, 2%, 3% and 4% respectively to fabricate four composites specimens. X-ray diffractometer and scanning electron microscope were used for phase identification and microstructure characterization (SEM). Density, hardness, compressive …
Published in Journal of Polymer & Composites · Vol. 10, Issue 3, 2022 · pp. 9–19 Read article
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The Transient Response and Frequency Characteristics of Power Transformers having Non-uniform Winding Insulation
Abstract: This paper presents a Laplace-domain distributed-parameter technique for analyzing the transient and frequency response of power transformers having non-uniform winding insulation. Stronger winding insulation near the windings source side terminals is usually applied in order to mitigate the concentration of the transient voltage stresses close to these locations. This will result in a location-dependent inter-turn capacitance distribution. The suggested procedure for analyzing such windings is based on the cascade connection …
Published in Journal of Power Electronics and Power Systems · Vol. 4, Issue 1, 2014 · pp. 37–52 Read article
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The Frequency Characteristics of Transformer Windings Considering the Separation-Dependence of the Inter-Turn Mutual Parameters
Abstract: The paper presents a direct method for the determination of the frequency characteristics of transformer windings. The dependence of both the inter-turn mutual inductances and capacitances on the separation between these winding turns is taken into consideration. From measured data available in the literature, a formula for this dependence is derived. The voltage and current distributions along the winding will be governed by two integro-differential equations in terms of the …
Published in Journal of Power Electronics and Power Systems · Vol. 6, Issue 3, 2016 · pp. 72–81 Read article
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Software and Hardware Implementation of Quasi z Source Inverter in DC-DC Converter with DC Motor as Load
Abstract: DC/DC power converters are employed in applications like telecom, industrial, automotive, military, aerospace and motor drives. The dc/dc converter market is forecast to grow at a strong rate to $ 4.3 billion by 2016. The primary factor limiting the widespread application of low voltage producing renewable energy sources to motor load is interfacing of converter system. The traditional voltage source inverter (VSI) cannot be dealt without overrating of inverter because …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 3, 2015 · pp. 97–107 Read article
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Relative Permeability Study in Part of Geleki Oil field of Upper Assam Basin
Abstract: Relative permeability is a critical parameter for evaluation of reservoir performance. Relative permeability is a direct measure of the ability of the porous medium to allow flow of one fluid when two or more fluids are present. This flow property is the composite effect of pore-geometry, wettability, fluid saturation, saturation history, reservoir temperature, reservoir pressure, overburden pressure, rock-types, porosity and permeability types. The relative permeability curves are very important in …
Published in Journal of Petroleum Engineering & Technology · Vol. 5, Issue 2, 2015 · pp. 9–14 Read article
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Experience from Polymer-EOR on Offshore Heavy Oil Field in Bohai Bay, China
Abstract: In this paper, a review work based on the polymer flood for offshore heavy oil reservoir is presented. In recent years, the CNOOC has launched quite a few chemical EOR projects at offshore oilfields in the Bohai Bay, China. With the useful life of platform and the present production state, polymer flooding is considered and already proved as an important technology for the strategic development of offshore heavy oil fields …
Published in Journal of Petroleum Engineering & Technology · Vol. 3, Issue 1, 2013 · pp. 14–19 Read article
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Review on: Elimination of Petroleum Hydrocarbons using Bacteriological Carpets
Abstract: In this review study, biodegradability of petrol hydrocarbon was premeditated on the petroleum sludge from the chemical industry using bacterial carpet. Bacterial carpet is consisting of biological fiber like jute fiber, coconut fiber. Accidentally, releasing of petroleum products are actual concern in the surroundings. Additionally, one of the main ecological difficulties at the present day is hydrocarbon pollution, which resulting from the activities associated with the chemical and allied industries. …
Published in Journal of Petroleum Engineering & Technology · Vol. 9, Issue 3, 2019 · pp. 21–27 Read article
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Effect of Number of Sheets on the Performance of Bullet Proof Jackets
Abstract: In the present work effect of number of sheet for the same sheet thickness is conducted. Steel and aluminium alloy are used as a sheet material. The study is conducted using a finite element software ANSYS. Student version is used for the present work. Dimension of the sheet and bullet are taken from the literature. Parameter like velocity is also taken from the literature and value considered in the present …
Published in Journal of Production Research & Management · Vol. 8, Issue 2, 2018 · pp. 14–19 Read article
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Reducing Environmental Impact from Manufacturing–An Industrial Case Study
Abstract: There is a need for technologies and strategies that will reduce environmental impact from manufacturing globally. This paper presents an industrial case study with three objects of study where manufacturing of ‘green’ products are analysed and solutions are presented on reducing environmental impact from manufacturing. The objects represent a conceptual product, a manufacturing ready product and an update of an existing product. The case study also builds the base for …
Published in Journal of Production Research & Management · Vol. 1, Issue 1-2-3, 2011 · pp. 55–72 Read article
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Lean Production using Casting Simulation to Promote FTR Approach
Abstract: When the talk is about the green production, then intention is to develop a product with first-time-right approach. Foundry desperately needs such production system, as it provides wide range of products. Even the small errors in the inputs (concept, design, raw material, process, etc.) can lead to wasted outputs [1], and invite unwanted cost of reworking. Thus, it is of extreme importance to develop the castings with FTR (first time …
Published in Journal of Production Research & Management · Vol. 3, Issue 2, 2013 · pp. 23–29 Read article