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917 articles for “neutral-axis strain gradient”
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Analysis of Natural Frequency for Three-Dimensional Model of Transformer Winding Using FEA
Abstract: AbstractPower transfer winding is prone to a number of events of a short circuit. However, over a period of time, capabilities of winding to withstand forces generated during such events decrease. In order to understand the behavior of winding at excitation, study of natural frequency is an important parameter. In this paper, winding’s radial and axial modes are studied with the help of finite element approach. Three-dimensional (3D) and two-dimensional …
Published in Journal of Instrumentation Technology & Innovations · Vol. 8, Issue 1, 2018 · pp. 8–12 Read article
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A Review of Research on Optical Character Recognition for Devanagari language
Abstract: An Optical Character Recognition (OCR) System is a propelled framework by which embedded textual information is repossessed through digitizing from graphical media like an image. Developing such software system for handwritten characters with different handwriting is still a challenge. Sometimes it contains different letters in other than English language. This paper gives an entire idea about Optical Character Recognition (OCR) framework for computerized camera caught medias/pictures installed literary records. Toward …
Published in Journal of Instrumentation Technology & Innovations · Vol. 11, Issue 3, 2021 · pp. 17–23 Read article
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Design and investigational study of drawability by varying blank holding force of rectangular drawn component
Abstract: The process of design and manufacturing of draw die has been carried out for rectangular shaped drawn component having thickness 1 mm of mild steel sheet has been utilized for blank material. In first phase, designed an inverted draw tool using CAD software Unigraphics NX which served the purpose of double action in a single stroke. The values of cutting force, FEA, blank holding force, tonnage of press and clearance …
Published in Journal of Mechatronics and Automation · Vol. 5, Issue 3, 2018 · pp. 1–9 Read article
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Failure analyte of helicopter wing - a study
Abstract: Summarised issued form is description of different failure cases of winged propulsions. Ethic is basic study from usual aircraft powered through rotary wing i.e. helicopters. Rotor wing composes lift capability by spins; otherwise, accessed score is obtained from aerodynamic lift. Rotor spins about an axis so that etiquette is aligned either vertical or side-to-side. Advent of rotary wing aircraft are that used to be practice is to take off and …
Published in Journal of Mechatronics and Automation · Vol. 8, Issue 3, 2021 · pp. 25–31 Read article
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Precision Agriculture Revolution: A Low-cost Smart Irrigation System Empowered by IoT for Small-scale Farmers
Abstract: Precision agriculture powered by Internet of Things (IoT) is transforming traditional farming practices for improved crop yield and sustainability. This paper presents the architecture, implementation and testing of a low-cost smart irrigation system aimed at optimal utilization of water resources for small-scale farmers. The automated system monitors a suite of sensors that provide field data such as soil moisture, temperature, humidity. An intelligent controller processes this information to operate water …
Published in Journal of Mechatronics and Automation · Vol. 10, Issue 3, 2023 · pp. 21–29 Read article
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Design and Implementation of Modular 3D LED Cube
Abstract: Abstract3D LED cube is a real 3D display that is built from many individual LEDs arranged in X, Y and Z axis. Because many LEDs are used these displays have complicated structure, electronic board and software. Different dimension (resolution) of this display are proposed and implemented, but these systems are non-modular, and we can’t develop their dimensions simply and quickly. In this paper, we propose three novel electronic modules for …
Published in Journal of Microcontroller Engineering and Applications · Vol. 6, Issue 3, 2019 · pp. 14–28 Read article
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Wi-Fi Shaped Quad-band Microstrip Antenna for RF Energy Harvesting Applications
Abstract: AbstractIn this paper, author proposed a Wi-Fi shaped microstrip antenna for the RF energy harvesting applications. The proposed antenna is operating at the frequencies 0.9, 1.7, 1.9 & 2.4 GHz. The antenna radiates at the quad-band frequency having an application in GSM Band and Wi-Fi Bands. The antenna consists of four different strips which correspond to each frequency in the result. The co-axial probe is connected from the side of …
Published in Journal of Microwave Engineering and Technologies · Vol. 5, Issue 3, 2018 · pp. 11–19 Read article
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Design Optimization of Microstrip Antenna with EBG and DGS Using the Genetic Algorithm to Reduce the Mutual Coupling
Abstract: The purpose of this paper is to construct, create, and reproduction of different antenna structures using electromagnetic band gap (EBG) materials and defected ground structures (DGS). Microstrip antennas are processed in order to improve performance by changing the shape of the geometry of the antenna, in particular to reduce the mutual coupling between the elements. The propagation of electromagnetic waves in a specified frequency range have the unique ability to …
Published in Journal of Microwave Engineering and Technologies · Vol. 3, Issue 1, 2016 · pp. 11–30 Read article
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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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CPW-fed Dual Sense Slot Antenna for Circular Polarization
Abstract: A novel compact dual-band and dual-sense circularly polarized coplanar waveguide (CPW) fed rectangular slot antenna is proposed. Dual-band and dual-sense is realized by a proper choice of the L-shape feed line and two parasitic elements inside the slot. A prototype dual-sense antenna is fabricated. The antenna has a compact size of 63.5×55mm2. Measured 3dB axial ratio bandwidth of the lower band with right hand circular polarization (RHCP) is 26.32% (1.435GHz …
Published in Journal of Microwave Engineering and Technologies · Vol. 8, Issue 1, 2021 · pp. 17–24 Read article
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Analysis of Cascaded Multilevel Inverter Induction Motor Drives
Abstract: The goal of this thesis is to use harmonic analysis to learn more about the performance of various cascaded multilevel inverters. To handle the high power demands of large electric drives and utility applications, innovative power electronics converters are required. As a result, in high power and medium voltage conditions, multiple power converter structures have been offered as an option. A multilayer converter not only achieves high power ratings, but …
Published in Journal of Microwave Engineering and Technologies · Vol. 8, Issue 3, 2021 · pp. 22–42 Read article
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A Novel Antenna Design based on a Single UC-PBG Layer of High Gain for Wireless Power Transfer
Abstract: In this study, a brand-new, highly effective antenna design is put forth to provide a directional radiation pattern with a small beam width for wireless power transfer. The proposed antenna is constructed from a cross-shaped patch of square holes. A favorable eclipse is paired with the antenna patch to provide circular polarization-symmetrical radiation. A symmetrical quadrature stare-shaped unit cell has a uniform compact photonic bandgap layer (UC-PBG) on top of …
Published in Journal of Microwave Engineering and Technologies · Vol. 9, Issue 3, 2022 · pp. 8–19 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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Two-dimensional Finite Element Analysis of Bolted Flanged Joints
Abstract: A 2D axisymmetric finite element analysis of flanges has been carried out using ANSYS 7.1 version. The analysis consider gasket as a rigid material for contact analysis and the others where the gasket has been considered as a gasket element. The non-linear behaviour with two unloading curves was used to predict the non-linear behaviour. This paper attempts to study and compare the contact pressure, gap, gasket stress and gasket total …
Published in Journal of Materials & Metallurgical Engineering · Vol. 6, Issue 1, 2016 · pp. 60–65 Read article
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Processing and Characterization of Ni2MnSn FSMA
Abstract: Among Ferromagnetic Shape Memory alloys (FSMAs), Ni2MnSn Heusler alloys owing to occurrence of large magnetic field induced strain (> 10%) along with other interesting properties like premartensitic transition, high transformation temperature, large magnetocaloric effect and low stress of twin variant rearrangement. The prominent challenges facing the design and utilization of these specialized alloys are a limited range of operating temperatures, phase transformations that have high sensitivity to variations in composition, …
Published in Journal of Materials & Metallurgical Engineering · Vol. 2, Issue 1-3, 2012 · pp. 154–159 Read article
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A Review on Metal Inert Gas Welding of Dissimilar Steels
Abstract: Joining of dissimilar metals has found its use extensively in power generation, electronic, nuclear reactors, petrochemical and chemical industries due to environmental concerns, energy saving, high performance, cost saving and so on. However efficient welding of dissimilar metals has posed a major challenge due to difference in thermal, mechanical and chemical properties of the materials to be joined under a common welding condition. This causes a steep gradient of the …
Published in Journal of Materials & Metallurgical Engineering · Vol. 10, Issue 1, 2020 · pp. 1–15 Read article
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Aerogel Composite from Scope–A Study
Abstract: This article is a study of nano-metric porous dimension so as to originate open scripture to allocate semi-composite organized after drying. Particulate merged add an addendum anew formation to subdivide inter atoms to bond nano-composite ingredients. Properties of matter have been identified to be lower than 100 nm. Reinforce of aerogel as blanket has been designated to bear as usual insulation upon typifying configurative scope as substrate to cover. Adjoined …
Published in Journal of Materials & Metallurgical Engineering · Vol. 11, Issue 1, 2021 · pp. 1–12 Read article
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Fabrication of AA5182-Semis for Precise Components
Abstract: Al4.5MgMn alloy is known to show an excellent physical and mechanical properties as well as manufacturing and fabrication ease as semis, suitable for making precise components like hull of the light weight vehicles and seamless tubes. Present work has tried to describe the development of microstructure and texture of an industrial tandem hot rolled Al4.5MgMn alloy sheet after laboratory cold rolling and annealing. Crystallographic orientation dependent strengthening rate has been …
Published in Journal of Materials & Metallurgical Engineering · Vol. 11, Issue 3, 2021 · pp. 21–32 Read article
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Advanced Quantitative Analysis of Dynamic Recovery During Warm Working of FCC Alloys
Abstract: Metal working processes of warm working require an advanced quantitative analysis of dynamic and static recovery of dislocations to control microstructures and crucial shape forming properties. Feasibility of dynamic recovery by thermal glide and static recovery by climb of constricted jogs, applicable to ausforming, nano bulk forming by SPD and normalizing has been addressed to design new steels, used for hulls and tribologically superior bearings. Predictive dislocation recovery analysis shows …
Published in Journal of Materials & Metallurgical Engineering · Vol. 12, Issue 1, 2022 · pp. 1–14 Read article
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A Comparative Study of Elastic Parameters in LiBC
Abstract: The elastic constants for LiBC using higher order Eulerian strain equation of state accordance with method of augmented plane wave under various temperature and pressure have been explored. In present study, we employed Hama-Suito theory of equation of state. The constants C11, C12, C44 and temperature dependent of bulk modulus have been calculated up to high temperature and low compressions. The relation among pressure, volume and temperature have also been …
Published in Journal of Materials & Metallurgical Engineering · Vol. 13, Issue 1, 2023 · pp. 34–39 Read article