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1516 articles for “Numerical”
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An Innovational Approach for Estimation of Reliability Indices Accounting Repair Time of Hose Reel System-Safety Empirical Outlook
Abstract: Numerous reliability indices estimation of a system or component or element is very important in order to predict its availability and unavailability. Reliability is the specification which tells about the availability of the system under proper working conditions for a given period of time. Reliability of numerous complex engineering systems has been estimated in literature. In view of above, in this paper an innovational approach for estimation of various reliability …
Published in Journal of Control & Instrumentation · Vol. 12, Issue 3, 2021 · pp. 12–18 Read article
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A Review on Productivity Improvement on CNC Lathe by Automatic Loading and Unloading of Bearing Component
Abstract: The present techno-economic scenario conventional lathes are replacing by computer numerical controlled machineries for mass production and quality work. For improve production rate, efficiency improvement, reduce machining cycle time, cost reduction ,material handling, eliminate waste and overcome the fatality of labor during machining operation, manufacturer are including in computer numerical controlled machines ,solution of loading and unloading of components on machine with automation instant of manually loading and unloading to …
Published in Journal of Experimental & Applied Mechanics · Vol. 9, Issue 1, 2018 · pp. 75–82 Read article
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Design of Voltage Controlled Oscillator using GDPK 90nm CMOS Technology
Abstract: In the recent decade, there has been a major revolution in communication systems and devices. Many communication devices required a specific frequency which may range from a few Hz to several GHz by source of voltage. Voltage Control Oscillator (VCO) plays a major role in today’s modern communication system. Voltage Control Oscillator use as basic building block in communication circuits and major use in phase locked loops circuits. Due to …
Published in Journal of Electronic Design Technology · Vol. 13, Issue 1, 2022 · pp. 17–24 Read article
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India's Vanishing Marine Wealth: Ecosystems Under Threat from Development
Abstract: The Indian Ocean is one of the world’s most important oceans, covering about a fifth of the globe’s total ocean area. It is also home to some of the world’s most valuable fisheries, as well as a wealth of other marine life. However, this development is coming at the cost of the delicate marine environment. Numerous studies have shown that the increased shipping traffic, coastal construction, and pollution are harming …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 13, Issue 3, 2023 · pp. 23–29 Read article
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DEM Simulation of Macro and Micro-Scale Behavior of Granular Materials during Loading and Unloading
Abstract: The present paper aims at comparing the simulated stress-strain behavior of granular materials quantitatively with the experiment and exploring the evolution of the micro-scale behaviors during loading and unloading using the discrete element method (DEM). A numerical sample consisting of 9826 randomly generated spheres similar to the experiment was prepared. The numerically prepared isotropic sample was subjected to loading and unloading under strain controlled condition. It is noticed that the …
Published in Journal of Geotechnical Engineering · Vol. 9, Issue 1, 2022 · pp. 26–38 Read article
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Analysis of Vibrational Induced Structure Considering Rail and Seismic Load Using ETABS
Abstract: In the past, buildings next to railroad tracks were not taken into account when designing them, which resulted in catastrophic damage to the buildings as well as fatalities. For these structures to be designed safely, the vibrational loading must diminish. This study's case study is the Rani Kamlapati railway station in Bhopal, which was renovated by the Bansal Group and is the nation's first private railroad station. They suggested building …
Published in Journal of Industrial Safety Engineering · Vol. 10, Issue 3, 2023 · pp. 1–13 Read article
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Review on Electrical Wiring (Types, Sizes, and Installation)
Abstract: AbstractVarious influences that will affect our choice of electrical wiring involve color, label data with applications. The data-printed on the wire shell is totally that you requisite to select the right wire for the home. More often than not, the name (wire or cable) are applied to designate the similar thing, while they are essentially quite altered. Wire acts a single electrical conductor, whereas a cable is a group of …
Published in Journal of Instrumentation Technology & Innovations · Vol. 9, Issue 3, 2019 · pp. 31–39 Read article
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Comparative Between (LiNbO3) and (LiTaO3) in Detecting Acoustics Microwaves Using Classification
Abstract: AbstractOur work is mainly about detecting acoustics microwaves in the type of BAW (Bulk acoustic waves), where we compared between Lithium Niobate (LiNbO3) and Lithium Tantalate (LiTaO3), during the propagation of acoustic microwaves in a piezoelectric substrate. In this paper, we have used the classification by Probabilistic Neural Network (PNN) as a means of numerical analysis in which we classify all the values of the real part and the imaginary …
Published in Journal of Microwave Engineering and Technologies · Vol. 5, Issue 3, 2018 Read article
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Experimental Setup to Determine Stress Wave Propagation in a Compound Bar
Abstract: Deformation undergone by a body due to impact results in development of dynamic stresses. This deformation depends on the material properties and geometry. Advancements made in stress wave propagation are focused at the necessity to understand dynamic history of structures subjected to applied loads. Stress travels with different velocities in different bodies depending upon material characteristics, crystal structure etc. Forces applied on bodies at short intervals of time result in …
Published in Journal of Materials & Metallurgical Engineering · Vol. 8, Issue 2, 2018 · pp. 1–6 Read article
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Prediction and Optimization of Laser Transformation Hardening Parameters of Unalloyed Titanium Using RSM
Abstract: The optimization abilities in Design-expert software were used to optimize the laser phase transformation hardened bead profile parameters, i.e., to maximize hardened bead width (HBW) and to minimize, the heat input (HI), hardened depth (HD) and angle of entry of hardened bead profile (AEHB) in continuous wave (CW) Nd:YAG laser transformation hardening of unalloyed titanium sheet with 1.6 mm thickness. The mathematical models were developed from Response Surface Methodology (RSM) …
Published in Journal of Materials & Metallurgical Engineering · Vol. 5, Issue 1, 2015 · pp. 1–11 Read article
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Design conceptualization and computational analysis of cryogenic engine nozzle -ABYOM
Abstract: The main purpose of this paper is to design a cryogenic engine nozzle with specified dimensions using CATIA V5 software and analyze the nozzle using ANSYS software. The realizable k-ε viscous model was used for calculation and the Hydrogen (H2) had retained as an ideal gas. The CFD simulations were done on the nozzle to find the pressure, density, velocity, and temperature. In the graph, there are 500 points streamlined …
Published in Journal of Materials & Metallurgical Engineering · Vol. 12, Issue 2, 2022 · pp. 14–23 Read article
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Electromagnetic Transients of a Sagging Conductor above Lossy Earth—Effect of its Loading and of the Earth Parameters
Abstract: This paper addresses the electromagnetic transients of a non-uniform overhead transmission line conductor with due consideration of its receiving-end load, its sag and of the earth parameters. The concept of the complex penetration depth is adopted in the formulation of the line’s equations in the s-domain. A relation for the conductor height as a function of the longitudinal co-ordinate is derived and incorporated in the analysis. The two simultaneous differential …
Published in Journal of Power Electronics and Power Systems · Vol. 7, Issue 3, 2017 · pp. 47–59 Read article
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Electromagnetic Transients and Frequency Characteristics of a Loaded Horizontal Conductor above Lossy Earth
Abstract: This paper addresses the electromagnetic transients and the frequency characteristics of a thin conductor horizontally suspended above lossy earth. The analysis takes into consideration the receiving-end termination and the earth parameters. The effect of the ground return is represented by incorporating the concept of the complex penetration depth in the formulation of the line’s equations in the s-domain. The resulting simultaneous differential equations governing the voltage and current are solved …
Published in Journal of Power Electronics and Power Systems · Vol. 8, Issue 1, 2018 · pp. 29–41 Read article
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A Contribution to the Frequency and Transient Analysis of High Voltage Bushings
Abstract: The paper suggests a method for determining the frequency characteristics and transient response of capacitively graded high voltage bushings. It is based on an s-domain circuit model that describes the grading conducting foils and the insulating layers. In most cases, they are of different axial lengths. A system of simultaneous differential and algebraic equations is derived taking these differences into account. Its closed-form solution, subject to the boundary conditions, can …
Published in Journal of Power Electronics and Power Systems · Vol. 9, Issue 1, 2019 · pp. 15–26 Read article
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Modeling and Simulation of a Chaotic Oscillator Using Mathematica
Abstract: This paper suggests a modified methodology for the modeling and simulation of a chaotic oscillator. Its analysis and the pertinent results of an efficient Mathematica simulation program dealing with a typical Chua's circuit are presented and discussed. The derived computer code is based on the application of state-variables in the time domain. The program yields the circuit’s currents and voltages and indicates their sensitivities to changes in the numerical values …
Published in Journal of Power Electronics and Power Systems · Vol. 11, Issue 1, 2021 · pp. 28–37 Read article
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A New Description of Multi-phase Flow Behavior at Boundary Layers of Low-permeability Porous Media
Abstract: At present, the recovery factor of low permeability oilfield in China is only about 20%, which is enormously lower than the recovery factor index of 60% by using water-chemical flooding in medium and high permeability layer. There are a lot of causes that resulted in low recovery factor, among them that the complex pore structure, tiny throat, large pore throat ratio and non-Darcy flow in low-permeability oil layer are the …
Published in Journal of Petroleum Engineering & Technology · Vol. 3, Issue 1, 2013 · pp. 1–7 Read article
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Non-linear Singular Integral Equations for Multiphase Flows in Petroleum Reservoir Engineering
Abstract: A very important problem of petroleum reservoir engineering is investigated by the present research. Consequently, an innovative and groundbreaking mathematical approach is introduced for the determination of the properties of the earth subsurface, when oil reserves together with water are moving through porous media. So, the multiphase flow problem of petroleum together with water is reduced to the solution of a non-linear singular integral equation, which is numerically solved by …
Published in Journal of Petroleum Engineering & Technology · Vol. 2, Issue 1-3, 2012 · pp. 73–82 Read article
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Infinite Possibilities Unlocking the Future and Scope of Startup Communities
Abstract: The country is an international leader in development. India is implementing a significant change into measures that support new businesses with an atmosphere that encourages business in the current generation.A newly formed company is a fledgling business founded by a few businessmen to produce distinctive unique one-of-a-kind items or offerings. It seeks to promote originality and hasten the development of innovations."A upstart is an inadequate, fast-growing, adaptable, and vulnerable commercial …
Published in Journal of Production Research & Management · Vol. 13, Issue 1, 2023 · pp. 1–5 Read article
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Analysis of Partially Infilled Frames
Abstract: The design of building structures is usually carried out without considering the effect of masonry infill. Currently, seismic design codes (Eurocode 8-Part 1, ASCE 41-06) contain provisions for the calculation of stiffness of fully infilled frames mainly by modelling infill as a diagonal strut. However, such provisions are not provided for infilled frames with openings. The main objective of the study was to validate the equations relating the lateral stiffness …
Published in Journal of Structural Engineering and Management · Vol. 3, Issue 1, 2016 · pp. 1–6 Read article
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Selection of Best Natural Fibre for Retrofitting of Structure by Using AHP
Abstract: Ordinary concrete has certain characteristics such as; it is relatively strong in compression but weak in tension and tends to be brittle. To neutralize this weakness of concrete some natural reinforcement is provided to concrete and subsequent concrete is called fibre reinforced concrete. There are many types of natural fibres which are used in concrete as a reinforced material to increase the properties of concrete such as; Sisal, Coir, Hemp, …
Published in Journal of Structural Engineering and Management · Vol. 2, Issue 2, 2015 · pp. 13–19 Read article