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1890 articles for “Analysi” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Polarization Reconfigurable Antenna: Design and Analysis
Abstract: This paper presents an analysis and design of a polarization reconfigurable microstrip patch antenna fed with single and dual feeds operating at WLAN frequency. For a single feed structure a square patch is designed first and is perturbed for obtaining circular polarization. Using PIN diodes this design can be made to generate different polarizations. In case of a dual feed structure the radiating square patch has dual feeding provision and …
Published in Journal of Microwave Engineering and Technologies · Vol. 2, Issue 1, 2015 · pp. 1–8 Read article
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Solidification Curve Analysis of Cylindrical Casting by FEM
Abstract: In casting process, molten metal is solidified in mould cavity. Solidification process majorly classify into three different sections: (i) liquefaction (ii) solidify (iii) after solidification. In all three processes, one parameter which is called 'IHTC' (Intermediate Heat Transfer Coefficient), is varies with time. IHTC coefficient depends on shape, size, type of casting etc., so, it is continuously varies with all dependent functions. So, establishment of IHTC value is a very …
Published in Journal of Materials & Metallurgical Engineering · Vol. 6, Issue 3, 2016 · pp. 44–49 Read article
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Statistical Analysis on Weld Bead Geometry of Pulsed Current Micro-plasma Arc Welded AISI 316Ti Austenitic Stainless Steel Sheets
Abstract: Micro-plasma arc welding (MPAW) uses low amperage to join sheets, where the thickness is low, such that they can be used for manufacturing metal bellows, metal diaphragms etc. In the present work, pulsed current MPAW is used for joining 0.3 mm thick AISI 316Ti austenitic stainless steel sheets. Peak current, base current, pulse rate and pulse width are considered as input parameters and weld bead geometry parameters namely front width, …
Published in Journal of Materials & Metallurgical Engineering · Vol. 6, Issue 2, 2016 · pp. 20–37 Read article
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Analysis of Process Parameters for Dissimilar Metal Welding Using MIG Welding: A Review
Abstract: The base on which automobile engine is placed is called trolley. Trolley is a type of structure in which various support parts like main channel, support channel, shaft-bar, hook angle, handle etc. are connected by using MIG welding process. Trolley has a capacity to place 18 kg engine weight, and is made of two metal parts i.e. mild steel and hot rolled steel (i.e. MS, HR). The paper deals with …
Published in Journal of Materials & Metallurgical Engineering · Vol. 6, Issue 2, 2016 · pp. 38–41 Read article
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Analysis of Friction Stir Welded Aluminum Alloys 2014 and 8011
Abstract: In this work we investigated friction stir welding of Aluminum Alloy 2014, Aluminum Alloy 8011. The major defects occurring while friction stir welding are tunnel effect, poor tensile strength, uneven material flow. The main causes for these defects are improper selection of welding parameters. The major welding parameters considered in Friction stir welding are spindle rotational speed (rpm), tool travel speed (mm/min) and tool angle (degree).In this work steps are …
Published in Journal of Materials & Metallurgical Engineering · Vol. 5, Issue 1, 2015 · pp. 12–17 Read article
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Micro-structural Analysis of Fly Ash and Clay Compacts
Abstract: Industrial waste like fly-ash is mainly used as a good building material due to its low weight. But the main disadvantage of these bricks is its low compressive strength. So, a lot of research is going on to increase the strength of these bricks. Normal clay is used for making of bricks in a cheaper sense. So, a research is carried out to develop a new systematic procedure to produce …
Published in Journal of Materials & Metallurgical Engineering · Vol. 3, Issue 3, 2013 · pp. 28–31 Read article
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Reliability Analysis of Lube Oil in a Generator
Abstract: In this research work, we considered the best or better practices of maintaining lube oil balance in generator set by adopting a reliability analysis method. It was established that the running of the generator set for a long time and the heaviness of the appliances switched on upon the generator has been investigated to be a contributing factor for the reduction in the quality of the lube oil which influences …
Published in Journal of Materials & Metallurgical Engineering · Vol. 12, Issue 3, 2022 · pp. 1–8 Read article
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Performance Analysis of 1-Bit Half Adder using Different Combinational MOS Logics
Abstract: AbstractAdder is required for many processors designing like microprocessors, digital signal processors, image processing and various VLSI applications. The overall performance of system depends upon the adder circuits due to its presence mainly in critical paths of system. This paper presents half adder circuits using different combinational MOS logics. All the circuits were analyzed to find the most suitable circuit which consumes less power without costing the speed of the …
Published in Journal of Microelectronics and Solid State Devices · Vol. 4, Issue 3, 2017 · pp. 19–27 Read article
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Harmonic Analysis of Single Phase Inverter
Abstract: AbstractIn this paper, study is carried out to investigate the THD of various voltage control signal techniques for single phase PWM inverter. The inverter is implemented using three pulse width modulation techniques- unipolar PWM, modified sine PWM and harmonic injection modulation. The performance of these control schemes are evaluated through simulation in MATLAB/SIMULINK. The obtained THD and fundamental magnitude of the output AC is tabulated.Keywords: Single phase inverter, pulse width …
Published in Journal of Microelectronics and Solid State Devices · Vol. 5, Issue 2, 2018 · pp. 20–28 Read article
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Analysis of DIBL Effect in MOSFET Working
Abstract: AbstractOne of the most widely used electronic devices, particularly in digital integrated circuits, is the metal insulator semiconductor (MIS) transistor. Most of the existing transistors used in fabrication of integrated chips are with junctions. The device scaling is growing the channel length between junctions in devices are scaling gone down to 10 nm. Drain Induced Barrier Lowering (DIBL) effect is prominent as the feature size of MOS device keep diminishing. …
Published in Journal of Microelectronics and Solid State Devices · Vol. 5, Issue 3, 2018 · pp. 33–40 Read article
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Bandgap Analysis of Quasi Bandgap Semiconductor Using FDTD Technique
Abstract: In this work photonic bandgap analysis of boron nitride (BN) quasi bandgap semiconductor is investigated using finite difference time domain (FDTD) method. Here boron nitride semiconductor is cogitated as a-BN, h-BN, c-BN and w-BN semiconductor, where boron nitride is realized by the combination of two BN semiconductor layers separated by air. Simulation for photonic bandgap of the aforementioned semiconductor structure is carried out with respect to thickness of odd and …
Published in Journal of Microelectronics and Solid State Devices · Vol. 2, Issue 2, 2015 · pp. 1–4 Read article
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Simulation and Comparative Analysis of Energy Storage Systems for Light Electric Vehicle
Abstract: Now-a-days it can be seen that most of people are focusing on cycling for exercising and short distance traveling due to unhygienic lifestyles and increase in environmental pollution and its harmful effect on human. Looking at such circumstances this paper is focused on to generate electrical energy produced by the person via paddling and later consume the same energy for automatic running of the cycle. The demand for Electric Bikes …
Published in Journal of Microelectronics and Solid State Devices · Vol. 9, Issue 3, 2022 · pp. 28–39 Read article
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Testing and Analysis of Biogas Development using Cow Dung for Rural Areas in Northern Ghana
Abstract: The proposed paper aims to analyze the production of biogas by the use of cow dung with adifferent set of experiments. For this experiment, five-set of 250 ml conical flasks (labelled A-E), were used as digesters to generate biogas from cow dung. This experiment is subjected tofive different treatments to do the analysis. The slurry with 58.3 g dung and 174.9 g water iscollected in the digesters and it is …
Published in Journal of Nuclear Engineering & Technology · Vol. 10, Issue 3, 2020 · pp. 38–44 Read article
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Exploring the Path to Strategic Investment: An In-Depth SWOT Analysis of Renewable Energy in Afghanistan
Abstract: This study employs SWOT analysis to assess Afghanistan's renewable energy (RE) sector, crucial for achieving its 2030 vision and Paris Agreement commitments. Strengths include RE potential, power sector reform, feed-in tariffs, and donor support. Weaknesses involve security, technical, commercial, and financing hurdles. Opportunities stem from rising energy demand,climate awareness, and decreasing RE costs, while threats include power import reliance, low cost recovery, and policy instability. To attract sustainable foreign direct …
Published in Journal of Nuclear Engineering & Technology · Vol. 13, Issue 3, 2023 · pp. 6–22 Read article
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Comparative Analysis of Blend of Virgin PVC and NBR with Recycled PVC and NBR
Abstract: AbstractStudies conducted on blending of polymers like acrylonitrile butadiene rubber (NBR) and polyvinylchloride (PVC) to produce new polymeric materials with specific properties which can be used for some special applications. This blend has been formulated for products working in contact with castor oils. Blends at different temperature indicate that an optimum temperature existes for its formation. Incorporating PVC in various compositions has enhanced their physico-mechanical and chemical properties of this …
Published in Journal of Polymer & Composites · Vol. 3, Issue 1, 2015 · pp. 12–14 Read article
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Analysis of Oxidation Behavior on T-22 Boiler steel at 800°C
Abstract: The behavior of boiler steel T-22 in a rich air environment has been studied under the condition of isothermal at 800°C for 50 cycles in a cyclic manner. The kinetics of oxidation was established for boiler steel T-22under cyclic conditions for 50 cycles by weight change technique per unit area. Each cycle heating the sample at 1 hour followed by cooling 20 minutes at ambient temperature. Detonation gun spray techniques …
Published in Journal of Polymer & Composites · Vol. 8, Issue 1, 2020 · pp. 18–25 Read article
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Dispersion Analysis of Polypyrrole and ZnO Nanocomposite Thin Film using SPR Techniques
Abstract: The dispersion analysis of any material is crucial for studying its structure and composition. The interaction of the structure of the material with electromagnetic energy is also determined by studying its dielectric or optical properties. For studying dielectric properties, optical approaches are favored over electrical techniques, and Surface Plasmon Resonance (SPR) is the most suited of all techniques. It is used as a result to investigate the optical and dielectric …
Published in Journal of Polymer & Composites · Vol. 10, Issue 2, 2022 · pp. 79–85 Read article
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Performance Analysis of Combined Application of FACTS and HVDC Parallel Tie-Line for Interconnection and Synchronization of Large Thermal Power Grid
Abstract: This research work shows the working principle of two combined cases and application of flexible AC transmission system tie-line and high voltage direct current tie-line for interconnection and synchronization of two large thermal power grid system of 12 areas when load disturbance occurred in power grid-1 ΔPL6 = 0.01 pu. This research work is done with two interconnected linear, conventional and traditional thermal power grid system of 12 areas accepted …
Published in Journal of Power Electronics and Power Systems · Vol. 7, Issue 3, 2017 · pp. 1–16 Read article
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New Method for the Transient Analysis of Lines with Corona
Abstract: Abstract-- A new direct procedure for the transient analysis of overhead lines under corona is suggested.The governing partial differential equations are derived taking into consideration the possiblevariations in the line’s equivalent conductance and capacitance. A noniterative solution ofthese equations can be found in terms of interpolating functions resulting from a Mathematicacomputer code. The developed program can handle any time waveform of the sourcesinitiating the transients, any line length, design and …
Published in Journal of Power Electronics and Power Systems · Vol. 9, Issue 3, 2019 · pp. 1–9 Read article
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An Analytical Method for the Analysis of Transformer Windings Having Non-Uniform Capacitance Distribution
Abstract: A direct procedure for the transient and frequency analysis of transformer windings with location-dependent inter-turn capacitance distribution is presented. This can help simulate windings with non-uniform insulation. The derived analytic solutions in the Laplace domain are based on expressing the non-uniformly-distributed series capacitance per unit length as the sum of a constant term and a variable part proportional to the square of the distance from the winding’s source terminal. The …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 2, 2015 · pp. 41–54 Read article