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1353 articles for “simulation studies”
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Comparative Analysis of Energy Storage System’s Hybridization for Electric Vehicles: Evaluating Lithium-Ion Batteries, Supercapacitors, and Fuel Cells on Performance Metrics
Abstract: High-performance energy storage systems (ESS) in electrically powered cars are becoming more and more necessary as transportation options become more environmentally conscious. This research provides a thorough comparison of hybrid energy storage systems (HESS) that link fuel cell technology, supercapacitors, and batteries made of lithium ion. Critical performance metrics are assessed for each technology, including energy density, power density, efficiency, lifecycle durability, thermal performance, cost and sustainability. It summarizes the …
Published in International Journal of Machine Systems and Manufacturing Technology · Vol. 3, Issue 1, 2025 · pp. 12–29 Read article
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Accuracy Improvement for Propeller Cavitation Noise Prediction Using UDF
Abstract: Recently, there has been an increase in demand for propulsion systems with higher hydrodynamic performance and lower underwater-radiated noise, as environmental issues are gaining more attention in addition to the traditional military necessity. It is important to reduce cavitation noise when designing propellers of the ships, especially for oceanographic research vessels because they use acoustic instruments and cavitation noise can interfere with their operation. It is well known that, when …
Published in Journal of Experimental & Applied Mechanics · Vol. 16, Issue 2, 2025 · pp. 18–26 Read article
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ML-Enhanced Self-Healing Fiber-Reinforced Polymer Composites with Embedded IoT Sensors for Damage Prediction
Abstract: Fiber-reinforced polymer (FRP) composites are widely used in aerospace and structural systems; nevertheless, the potential for microcracking and fatigue-induced performance degradation remains an obstacle with respect to improved service life. Traditional self-healing methods, while performing well on a chemical level, often lack real-time diagnostic awareness and adaptive control. To circumvent this, we developed a machine-learning augmented self-healing FRP composite, in which a DCPD–Grubbs catalytic matrix was combined with IoT sensor …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 188–208 Read article
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Exploration of Diverse Epoxy-Based Surface Coating Methods for Enhancing Anticorrosion Characteristics
Abstract: Epoxy-based polymers, commonly referred to as polyepoxides, constitute one of the most versatile and widely adopted categories of polymeric materials due to their exceptional structural, mechanical, and chemical characteristics. Their unique macromolecular framework enables strong interfacial bonding, high mechanical stability, and superior resistance to environmental and chemical degradation, positioning them as advanced alternatives to many traditional organic corrosion inhibitors that often fail under prolonged exposure to aggressive conditions When polyepoxides …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 167–177 Read article
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An Analytical Study on Learning Difficulties in Estimation Theory Among Undergraduate Engineering Students
Abstract: Estimation Theory is a critical mathematical foundation for all engineering disciplines, enabling learners to model uncertainty, analyse signals, and derive optimal estimators. However, undergraduate students frequently struggle with its abstract properties, complex derivations, and prerequisite statistical concepts. This study investigates the key learning difficulties faced by students across multiple engineering branches using diagnostic tests, structured questionnaires, and interviews. The findings reveal that students commonly experience challenges related to weak probability …
Published in Research & Reviews : Journal of Statistics · Vol. 15, Issue 1, 2026 · pp. 37–41 Read article
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Criticality Verification for Open Pool storage of MTR Spent fuel Elements using MCNP5 Code
Abstract: Abstract:This study aims to verifying the nuclear criticality criteria in spent fuel repository. The repository is an open pool type that is used temporary to store the spent fuel elements removed from the core of 22 MW power of open pool research reactor. The repository could receive up to 800 of spent fuel elements of material testing reactor (MTR) type. Arrangement configuration of spent fuel elements in the repository must …
Published in Journal of Nuclear Engineering & Technology · Vol. 10, Issue 2, 2020 · pp. 26–30 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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Effects of Fracture Properties on Oil Recovery in Tight Reservoirs
Abstract: Unconventional reservoirs, characterized by low permeability are gradually becoming a force to reckon with in today’s world owing to the rapid depletion of conventional resources. However, low oil production from tight reservoirs can be mitigated by implementing hydraulic fracturing. In this study, Schlumberger’s eclipse-100 simulator was used to simulate various scenarios in order to determine the best fracture geometry and the effects of fracture properties on oil recovery. The properties …
Published in Journal of Petroleum Engineering & Technology · Vol. 6, Issue 3, 2016 · pp. 12–31 Read article
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Development of Mathematical Model to Predict Annual Runoff in Port Harcourt City, Rivers State, Nigeria
Abstract: This paper is aimed at monitoring and predicting annual runoff of Port Harcourt city for a classified area type and flat land of 0–5% slope. Mathematical models were developed to monitor and simulate annual runoff of an area type of 30% impervious (paved), 50% impervious (paved) and 70% impervious (paved) within the Port Harcourt city. The analysis of annual rainfall and annual runoff data gives a coefficient of determination of …
Published in Journal of Water Resource Engineering and Management · Vol. 5, Issue 2, 2018 · pp. 29–36 Read article
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A New Method for Measuring Overall Reliability and Performance in Growing Computer Networks with Static and Variable Connections
Abstract: ABSTRACTThis paper presents a computational study on the performance of reliability measures by using optimized ANN for computer networks with fixed and varying link reliabilities. This paper focus on the design of minimum cost reliable computer networks when a set of nodes, their topology, and links are given to connect them. A comparative study of various approaches for evaluating reliabilities has been studied such as Monte Carlo simulation methods and …
Published in Journal of Computer Technology & Applications · Vol. 1, Issue 1-3, 2011 · pp. 1–14 Read article
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Perovskite-Silicon Thin Film Based Tandem Solar Cell
Abstract: A perovskite-microcrystalline silicon-based thin-film tandem solar cell was designed and investigated, where perovskite and microcrystalline cells used as top and bottom cells, respectively, for better and higher light absorption utilizing the very high open-circuit voltage. The study was carried out for simulation results of quantum efficiency and short circuit current based on different thicknesses of the top and bottom cell-intrinsic layer. A very good short circuit matched current has been …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 22, Issue 2, 2020 · pp. 23–29 Read article
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Construction of an Ultrasonic Pest Repeller
Abstract: An ultrasonic pest repeller (UPR) was constructed to repel pest like rodent from home in order to prevent damage and possible infections or diseases caused by rodents. Rodents can perceive ultrasonic sound of frequencies within the range of 20 to 65 kHz. Our UPR when tested emit varying ultrasonic frequencies approximately within the range of 20 to 50 kHz. We found that these varying frequencies are like sound produced by …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 2, Issue 1, 2013 · pp. 1–15 Read article
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Modelling of An Electric Tractor Powertrain using MATLAB/Simulink
Abstract: Lithium-ion battery pack technology is the current trend in the automotive industry. For this study, the authors have selected NMC 18650 lithium-ion cells to design a battery pack for electric tractors and simulating the electric tractor powertrain model to gauge and size the battery pack configuration parameters. The tractor parameters have been selected by comparing with some Indian and Japanese electric tractors. The simulation has been carried out using MATLAB/Simulink …
Published in Journal of Experimental & Applied Mechanics · Vol. 12, Issue 2, 2021 · pp. 1–14 Read article
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Advancements, Hurdles, and Applications in Quantum Computing
Abstract: Using the ideas of quantum mechanics, quantum computing has become a paradigm shift in computing, enabling computations to be completed tenfold quicker than with traditional computers. This study investigates the current status of quantum computing, looking at the notable advancements, ongoing difficulties, and potential uses that could completely change a range of industries. By utilizing the principles of superposition and entanglement, quantum computers can potentially solve complex problems that classical …
Published in Recent Trends in Parallel Computing · Vol. 11, Issue 2, 2024 · pp. 11–29 Read article
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Numerical Simulation of Crack Growth in Dynamic Loading Conditions
Abstract: Because it is crucial for forecasting structural failures in engineering applications, crack formation in materials under dynamic loading circumstances has become a crucial study topic. In this work, finite element methods (FEM) are used to numerically simulate fracture propagation in dynamic stress situations. The impact of loading rates, material characteristics, and crack geometries on crack growth patterns are assessed in a thorough parametric research. The work uses sophisticated computational methods …
Published in International Journal of Fracture Mechanics and Damage Science · Vol. 2, Issue 2, 2024 · pp. 30–34 Read article
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Simulation And Analysis of Radio Frequency Energy Harvesting System Operating at 2.45 GHz Frequency
Abstract: — This paper proposed study of an RF energy harvesting system at 2.45 GHz using a rectifier and an antenna so called rectenna. Inset-fed micro-strip rectangular patch antenna array is fabricated. The rectifier circuit, employing Schottky diodes (HSMS-2850), converts AC power from the antenna to DC for RF detection. Analysis of the antenna's design and parameters such as directivity, return loss, gain, and VSWR is done using high-frequency simulator software …
Published in Journal of Microwave Engineering and Technologies · Vol. 11, Issue 1, 2024 · pp. 7–15 Read article
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Assessment of Environmental Impact of Power Generation in Banking Industry
Abstract: Energy consumption of using diesel generators to power banks is a contributor to greenhouse gas (GHG) emissions. This paper presents an assessment of environmental impact of power generation in banking. HOMER-optimization and simulation software tool was used to study the environmental impact of banks powered by diesel generators. The environmental impact of powering banks with diesel generators was assessed by quantifying the emissions generated in terms of pollution and the …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 3, Issue 1, 2013 · pp. 13–21 Read article
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Electromechanical Modeling of Microscale Fluidic Systems with Electro Kinetic
Abstract: Due to their capacity to carry out complex fluid manipulations at the microscale, microfluidic systems have become more popular in a variety of applications. For a variety of industries, including biomedical diagnostics, chemical analysis, and environmental monitoring, achieving precise and effective fluid control is essential. The electromechanical modeling of microscale fluidic systems using electro kinetic actuation is the main topic of this research study. We propose a thorough framework for …
Published in International Journal of Electro-Mechanics and Material Behaviour · Vol. 1, Issue 1, 2023 · pp. 18–22 Read article
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A New Computational Method for Dust and Gas Dynamics in Protoplanetary Discs
Abstract: The simultaneous evolution of dust and gas in protoplanetary discs regulates essential events in planet formation, such as dust accumulation, migration, and the initiation of gravitational instabilities. Nevertheless, precisely modelling this interaction continues to provide a significant computing problem owing to the extensive variety of spatial and temporal scales involved. In this study, we introduce an innovative computational framework for simulating dust-gas dynamics in protoplanetary discs, integrating a two-fluid hydrodynamical …
Published in International Journal of Universe · Vol. 1, Issue 2, 2025 · pp. 35–46 Read article
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Investigating the Dynamics of Vortex Shedding in Bluff Body Flows
Abstract: In engineering applications, bluff body flows are commonplace. They are typified by the creation of vortices in the wake zone, a phenomena called vortex shedding. The current study uses a mix of computer simulations and experimental data to examine the dynamics of vortex shedding inbluff body flows. A range of bluff body designs were investigated, and the flow characteristics were analyzed using computational fluid dynamics (CFD) and high-resolution particle image …
Published in Journal of Experimental & Applied Mechanics · Vol. 14, Issue 3, 2023 · pp. 18–23 Read article