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832 articles for “simulation analysis”
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Numerical Analysis of Cyclone Separator
Abstract: The fluid dynamics of a three-dimensional cyclone separator were studied computationally. Commercial CFD software package, Fluent was used for the simulation. A multiphase Eulerian-Eulerian model incorporating the kinetic theory of granular flow (KTGF) was applied for simulating the air-solid movement. Momentum exchange coefficients were calculated using the Gidaspow drag functions. The kinetic energy fluctuation of mixture was characterized by varying the pressure values from 98Pa to 180Pa. Further computational and …
Published in Emerging Trends in Chemical Engineering · Vol. 5, Issue 1, 2018 · pp. 10–19 Read article
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Modeling and Analysis of the Impact of Natural Gas Composition Variations on Combustion in a Dual Fuel Compression Ignition Engine
Abstract: The desire to meet rising energy demands while simultaneously adhering to stringent climate policies has propelled advanced combustion technologies and alternative fuels. Natural gas (NG) is an attractive, domestically-available alternative that has been shown to achieve high efficiencies when used on dual fuel engines. However, the composition of NG can vary significantly depending on the source and these variations may detrimentally impact engine operation. To study these effects, a dual …
Published in Journal of Automobile Engineering and Applications · Vol. 5, Issue 2, 2018 · pp. 1–14 Read article
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Comparison of RSM and ANN Modeling Approaches in Predicting the Laser Phase Transformation Hardening Parameters on the Heat Input and Hardened-Bead Profile Quality of Unalloyed Titanium
Abstract: In the present work, laser transformation hardening (LTH) of unalloyed titanium, nearer to ASTM Grade 3 of chemical composition was investigated using CW 2kW, Nd: YAG laser. The laser process variables such as laser power, scanning speed, and focused position play a major role in deciding the laser hardened bead quality. Two methods, Response Surface Methodology (RSM) and Artificial Neural Network (ANN) were used to predict the heat input and …
Published in Journal of Materials & Metallurgical Engineering · Vol. 5, Issue 1, 2015 · pp. 36–59 Read article
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An Integrated Simulation Framework for Predicting Dielectric Breakdown and Electrical Aging in Epoxy-Silica Composite Insulation Systems
Abstract: This paper provides a combined computation approach in forecasting the dielectric breakdown and electrical aging within epoxy-silica composite of insulation system. The approach will consist of a three-complementary methodology (a combination of computing electric field using the finite element analysis, estimation of the probability of failures or breakdowns using Weibull statistics, and prediction of degradation tendencies using artificial neural networks). The epoxy-silica composites are of 10-40 volumes fillers. The simulations …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 339–376 Read article
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Time Domain Analysis in an On-chip High Speed RLCG Interconnection Network at 0.18 µm Technology
Abstract: In this model, the time domain waveform is evaluated for calculation of delay time, peak time, settling time, damping ratio and natural frequency for a second order RLCG interconnect network. It can also be used for multiple interconnect systems but for higher order systems it is ignored due to accurate analysis. The model is applied to a single resistance-inductance-capacitance-conductance model which can also be extended to multi-interconnect systems to analyze …
Published in Journal of VLSI Design Tools and Technology · Vol. 1, Issue 1-2-3, 2011 · pp. 57–67 Read article
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Analysis and Evaluation of the Electric Vehicles Carbon Footprint: Application to Environmental Urban Areas
Abstract: This paper analyzes and evaluates the carbon footprint of electric vehicles, Hybrid Electric Vehicle (HEV), Plug-in Hybrid Vehicle (PHEV), and Electric Vehicle (EV). A complete survey of the transformation process of fossil fuels like petrol, gas, or carbon into electricity for the batteries of electric vehicles represents the goal of this work, following the well-known methodology “from well to wheel”. A comparative analysis of urban cars powered by internal combustion …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 13, Issue 2, 2023 · pp. 27–47 Read article
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Analysis and Implementation of Folding and Interpolating Analog to Digital Converter using Submicron CMOS Technology
Abstract: This paper presents folding and interpolating ADC with resolution of 5 bit. The simulation result is carried out using 0.18 μm CMOS process technology with supply voltage 1.8 V. This folding and interpolating ADC consumes less power than other, and it is 10 mW. The rate of conversion is 50 MS/S. So, it is suitable for low power application and medium resolution portable devices. Keywords: Folding ADC, interpolating, ADC, low …
Published in Journal of VLSI Design Tools and Technology · Vol. 7, Issue 1, 2017 · pp. 35–40 Read article
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Simulation and Performance Based Comparison of Artificial Intelligence Based Shunt Active Power Filter in High Frequency Aircraft System for Power Quality Improvement
Abstract: Synchronous reference frame strategy for extracting reference currents for shunt active power filters have been optimized by using fuzzy logic control and adaptive tabu search algorithm respectively; their performances have been compared. The acute analysis of comparison of the compensation capability based on THD and speed will be done and recommendations will be given for the choice of technique to be used. The simulated results using MATLAB model are shown …
Published in Trends in Electrical Engineering · Vol. 6, Issue 1, 2016 · pp. 32–41 Read article
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Robust Access Control Mechanisms Using VHDL Programming for IoT Security
Abstract: The Internet of Things (IoT) devices are increasingly becoming targets for criminal actors. A compromised device can result in data breaches, denial-of-service attacks, and even physical damage. While software-based security solutions are important, they are susceptible to attacks and often impose significant overhead, negatively impacting both performance and battery life. A viable alternative is provided by hardware-based security, which takes advantage of the inherent security benefits that are associated with …
Published in Journal of VLSI Design Tools and Technology · Vol. 15, Issue 2, 2025 · pp. 6–1`9 Read article
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Machining-Induced Surface Integrity Optimization of High-Carbon Alloy Steel for Enhanced Polymer–Metal Composite Interface Performance
Abstract: The functional performance and structural reliability of polymer–metal hybrid composites are strongly influenced by the surface integrity of metallic substrates used for interfacial bonding and load transfer. In this context, machining-induced surface characteristics play a critical role in determining adhesion behavior, dimensional stability, and mechanical compatibility within composite architectures. The present study investigates the hard turning performance of a newly developed high-carbon alloy steel intended for composite-integrated structural applications, with …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 1531–1546 Read article
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High-speed CMOS ADCs Design
Abstract: This paper presents the design of high-speed subranging and flash analog to digital data converters (ADC) including the design of efficient operational amplifier to meet the performance requirements of these data converters for the specifications laid down targeted to the SCL 1.2 μm CMOS Foundry. The design starts from the specification of the circuit, its theoretical analysis for the parameter estimations of the transistors as well as the circuit’s design. …
Published in Journal of VLSI Design Tools and Technology · Vol. 2, Issue 1-2-3, 2012 · pp. 59–74 Read article
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Comparative Study and Analysis of Composite Bridge and Concrete Bridge for Moving Loads
Abstract: Composite Bridges are mainly used in the construction of various flyovers to minimize the traffic flow. Composite highway bridges are subjected to many dynamic actions with different magnitudes due to the action of different types of vehicles. Depending on the magnitude and intensity and many other adverse effects the structural system and performance may compromise and that may lead to a reduction of the expected bridge life. A composite (steel …
Published in Trends in Transport Engineering and Applications · Vol. 9, Issue 2, 2022 · pp. 1–9 Read article
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Multi Objective Optimization in Turning Parameters of Al 6463 using Principal Component Analysis
Abstract: AbstractIn multi objective optimization, weight criterion of each objective is important for producing better and accurate solutions. Now a day, due to the growing requirement of the higher precision apparatus for its useful aspect, machining time (MT) and material removal rate (MRR) of a machined part plays a significant role in the modern manufacturing process. This study focuses on optimizing CNC turning parameters on Al 6463 based on principal component …
Published in Journal of Materials & Metallurgical Engineering · Vol. 7, Issue 2, 2017 · pp. 6–15 Read article
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Integration of Vertical Axis Wind Turbines into Urban Environments: Feasibility and Design Considerations
Abstract: Abstract This study aims to comprehensively investigate the performance of Savonius rotor wind turbines through a combination of numerical simulations and experimental testing. Initially, 3-dimensional CAD software Solidworks and ANSYS will be utilized to design detailed models of the turbines. Numerical meshes will then be generated around these models using FLUENT software, incorporating the k-ε turbulence model to simulate fluid flow fields. Parameters such as drag coefficient, lift coefficient, pressure …
Published in Journal of Aerospace Engineering & Technology · Vol. 14, Issue 2, 2024 · pp. 20–25 Read article
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Review on Improving the Fuel Efficiency of a Hydraulic Excavator using various Optimization methods
Abstract: Due to global warming & rising energy cost, it has become the need of society to develop new techniques for pollutant emission & reduction of fuel consumption. This paper provides a comprehensive review of recent research on the energy-saving technology for minimizing the specific fuel consumption up to a certain level. The development, application and performance of hybrid hydraulic excavation system were analysed. These developed model system can be optimized …
Published in Trends in Mechanical Engineering & Technology · Vol. 9, Issue 3, 2019 · pp. 7–12 Read article
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Fluid-Structure Interaction Simulation of Parachute by Eulerian-Lagrangian penalty method
Abstract: In general, modeling and simulation of a model consisting of fluid and solid combinations has been considered difficult, and it has become impossible in terms of computer dependencies and accuracy to be analyzed by Fluent or other programs. The parachute evaluation process, which is historically based on a large amount of experimental data, necessitates many falling experiments. These tests can be costly and time-consuming, and they don't always allow for …
Published in Recent Trends in Fluid Mechanics · Vol. 11, Issue 2, 2024 · pp. 15–22 Read article
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Performance Analysis of Bridgeless Converter Based SMPS used for Welding Application
Abstract: Abstract: This paper deals with performance analysis bridgeless converter based switched mode power supply (SMPS) of improved power quality. Power Factor Correction (PFC) based bridge less SMPS having so many applications in the area of welding power supply with IPC. This topology based on the constant voltage output and output current varied according to load changes. In the proposed topology, it is replaced the front end diode bridge rectifier with …
Published in Journal of Electronic Design Technology · Vol. 10, Issue 1, 2019 · pp. 27–33 Read article
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Optimization and CFD Analysis of Fin-Enhanced Cooling Systems for Improved PV Efficiency
Abstract: This study is about optimizing and doing a CFD (Computational Fluid Dynamics) analysis of fin-enhanced cooling systems to improve the efficiency of photovoltaic (PV) systems. Photovoltaic (PV) panels are sensitive to temperature changes; the temperature influences the performance and lifespan of these panels. High temperatures cause their electrical output to reduce, thereby limiting their performance. In order to address this problem, several coolants such as air, liquid, phase change materials, …
Published in Journal of Power Electronics and Power Systems · Vol. 15, Issue 1, 2025 · pp. 19–29 Read article
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Synthesis and Photoluminescence Dynamics of Europium (III) and Terbium (III) Co-doped of GdSrAl3O7 Color-Tunable Nanophosphors
Abstract: A series of Europium (III) and Terbium (III) co-doped GdSrAl3O7 color-tunable nanophosphors were synthesized by a simplistic, streamlined and self-propagating, urea-assisted solution combustion synthesis process. The structural and luminescence characteristics of synthesized Eu3+/Tb3+ co-doped Gadolinium Strontium Aluminate nanocrystalline phosphors were validated using powder X- ray diffraction (PXRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy dispersive X- ray analysis (EDAX), and photoluminescence spectra studies. The morphological studies revealed that …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 1069–1082 Read article
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Analysis of Dispersion Compensation System for PON using Different Schemes
Abstract: In this paper, dispersion compensation techniques are discussed for better communication. Different schemes like pre-compensation, post- compensation and symmetrical compensation of DCF with NRZ and Manchester modulation format. To compensate the dispersion of fiber, DCF is used. Simulations have been analysed by using OptiSystem 7.0 simulator. Results are compared in terms of BER, Q-factor and total received power.Keywords: Dispersion Compensation, Dispersion Compensation Fiber (DCF), Passive Optical Network (PON), Q-factor, BER.Cite …
Published in Journal of Communication Engineering & Systems · Vol. 9, Issue 3, 2019 · pp. 28–34 Read article