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1119 articles for “Performance characterization”
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Synthesis and Ion Transport Studies of a New Potassium Ion-Conducting Nanocomposite Polymer Electrolyte
Abstract: The pursuit of safe, efficient, and sustainable energy storage solutions has intensified research on nanocomposite polymer electrolytes, especially for next-generation battery technologies. This work reports the synthesis and ion transport characteristics of potassium ion-conducting nanocomposite polymer electrolytes (NCPEs), emphasizing their structural, electrical, and electrochemical performance. To enhance ionic conductivity and mechanical strength, polymer matrices were reinforced with nanoscale ceramic fillers. A new potassium ion-conducting NCPEs: (1-x)[70PEO:30KCl] + x SiO₂ (where …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1496–1504 Read article
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Performance analysis of cross-slotted patch antenna for wireless system applications
Abstract: A C-band cross-slotted microstrip patch antenna for ice and frost detection in wireless sensing applications. The antenna configurations with distinct cross-slot geometries are designed to investigate their influence on impedance matching, radiation characteristics, and sensing sensitivity. The antennas are modeled and analyzed using Ansys HFSS, and their dimensions are optimized using standard microstrip antenna design equations. Ice and frost accumulation on the antenna surface is identified through measurable shifts in …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 13, Issue 1, 2026 · pp. 35–50 Read article
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Deformation and Densification Behaviour of Sintered Aluminium Alloy and Chromium Carbide Metal Matrix Preforms
Abstract: This paper presents comprehensive experimental results focused on the deformation and densification behavior of sintered AA2618 - 2% Cr3C2 metal matrix preforms. The study specifically examines preforms with varying aspect ratios subjected to a cold upsetting process. To create the powder preforms, an initial theoretical density of 89% was achieved using a cylindrical die on a 600 kN hydraulic press. The sintering process was conducted in an electric muffle furnace, …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 125–131 Read article
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Mechanical and Functional Performance of PET–Kenaf Fiber Hybrid Composites for Domestic Household Applications
Abstract: This research presents a hybrid composite of recycled polyethylene terephthalate (PET) and Kenaf fibers for sustainable household applications. Polyethylene terephthalate from consumer bottles was reinforced with Kenaf fibers at volume fractions of 10–30% and composites were created through compression molding. Mechanical characterization involved tensile, flexural, impact, and hardness testing where appropriate and was standardized according to ASTM standards, while their interfacial interactions were characterized by imaging through SEM. Linear and …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 1482–1498 Read article
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Comparative CFD Analysis of Major and Minor Aerodynamic Modifications for Tall Building Shapes under Wind Loading
Abstract: Aerodynamic performance of tall buildings is significant to structural safety and serviceability under wind. The major and minor aerodynamic changes of the tall building shape are compared with the computational fluid dynamics (CFD) simulation. The base model was a rectangle of 75 m × 75 m × 300 m. Various aerodynamic modifications of shapes were examined: circular, elliptical, tapered, twisted, rounded-corner, and chamfered-corner shapes. Simulations were carried out in the …
Published in Journal of Offshore Structure and Technology · Vol. 13, Issue 2, 2026 · pp. 9–35 Read article
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HFSS-Based Helix Antenna Design Optimization and Simulation
Abstract: This project uses HFSS (High-Frequency Structure Simulator) to simulate, develop, and analyze the performance of a helix antenna for (a particular purpose, such as broadband wireless or satellite communication). Because of their distinctive structural characteristics, helix antennas are well-suited for a variety of high-frequency applications by balancing compactness, high gain, and wide bandwidth. In this work, we parametrically analyze important design parameters including pitch, radius, number of turns, and wire …
Published in Recent Trends in Sensor Research & Technology · Vol. 12, Issue 1, 2025 · pp. 29–35 Read article
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Squeeze Casting of Hybrid Aluminum Matrix Composites: A Critical Review of Process Optimization, Reinforcement Strategies, and Performance Outcomes
Abstract: Increasing demand for lightweight, performance-oriented components in automotive, aerospace, and defense industries has driven advancements in squeeze casting, a hybrid technique merging forging and die-casting advantages to produce near-net-shape aluminum matrix composites (AMCs) with superior mechanical-tribological properties. This review critically examines the interplay of process parameters (e.g., squeeze pressure: 70–150 MPa, melt temperature: 650–800°C), reinforcement characteristics (volume fraction ≤10%, particle size: 10–71µm), and interfacial engineering strategies (flux-assisted bonding, ultrasonic dispersion) …
Published in Journal of Materials & Metallurgical Engineering · Vol. 15, Issue 2, 2025 · pp. 52–60 Read article
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Investigation on Direct Torque Control of BLDC Motor Using Various Controllers
Abstract: BLDC Stands for brushless DC Motor. Direct torque control is a type of a vector control. Direct Torque control consist of two control loops one is speed control and other one is torque control. For the purpose of speed control several speed controllers are used in this work such as PI, PID Controller and Fuzzy Controller. PID Controller was used for better speed response, no steady state error but due …
Published in Journal of Instrumentation Technology & Innovations · Vol. 11, Issue 2, 2021 · pp. 19–30 Read article
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Innovative Wireless Charging Solutions for Electric Vehicles
Abstract: As the automotive industry's future arises, electric vehicles (EVs) are at the forefront of zero-emission transportation technology. Although conventional plug-in charging stations are widely utilized, wireless power transfer (WPT) is an alternative. WPT may be used as either dynamic charging equipment for moving cars or static charging systems for parked cars. This study addresses the distinction between plug-in and wireless charging, the mechanics of wireless charging, various kinds of charging …
Published in International Journal of Electro-Mechanics and Material Behaviour · Vol. 2, Issue 1, 2024 · pp. 11–17 Read article
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Study on Chemical Insights into Alzheimer's Disease: Amyloid Beta and Tau Protein Interactions
Abstract: Background: Alzheimers disease (AD) is the most prevalent form of dementia, affecting millions of individuals worldwide and posing significant challenges to healthcare systems. The disease is characterized by a gradual decline in cognitive functions, particularly memory, reasoning, and the ability to perform daily activities. Aim & objective: To study chemical insights in alzheimers disease, especially amyloid beta and tau protein interactions Results & discussion: The results of this review highlight …
Published in International Journal of Brain Sciences · Vol. 2, Issue 1, 2025 · pp. 37–46 Read article
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Enhanced Heat Transfer in Double Pipe Heat Exchanger with Circular Fins Using Copper Nanofluid and Twisted Tape Inserts: A Computational Study
Abstract: The enhancement of convective heat transfer in a double-pipe heat exchanger utilizing circular finned twisted tape inserts and helical screw-tapes with centre rods, in conjunction with copper oxide nanofluid as the heat transfer medium was studied in this project. Computational Fluid Dynamics (CFD) simulations were conducted across Reynolds numbers ranging from 500 to 5000 to analyse heat transfer characteristics. The investigation focuses on Nusselt number improvement and friction factor analysis …
Published in Journal of Thermal Engineering and Applications · Vol. 12, Issue 1, 2025 · pp. 11–22 Read article
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Study on the Mechanical Properties of Additively Manufactured Metallic Structures
Abstract: A revolutionary technology that has made it possible to produce intricate metallic structures with customized mechanical properties is additive manufacturing, or AM. An extensive analysis of the mechanical properties of metallic components made using additive manufacturing processesis presented in this paper. The study explores how material choice, post-processing techniques, and process parameters affect the mechanical behavior of AM metallic structures. By examining tensile strength, fatigue characteristics, hardness, ductility, impact resistance, …
Published in Journal of Experimental & Applied Mechanics · Vol. 14, Issue 3, 2023 · pp. 1–6 Read article
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Polypyrrole-Based Conductive Polymer-Gated Single Electron Transistor with Deep Neural Network Assistance for Biomedical Energy Harvesting and Charge Detection
Abstract: The increasing demand for intelligent biomedical monitoring systems has accelerated research into ultra-low-power sensing technologies capable of operating with high sensitivity and minimal energy consumption. Conductive polymers have attracted considerable attention for biomedical and nanoelectronic applications due to their tunable electrical properties, biocompatibility, and environmental stability. Among them, Polypyrrole (PPy) is a promising functional polymer that can enhance charge transport and electrostatic coupling in nanoscale devices. In this work, a …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 Read article
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Performance Enhancement of Microstrip Patch Antenna Using Metasurface
Abstract: Performance enhancement of microstrip patch antenna using metasurface provides a thorough analysis of how a metasurface integration technique might improve the performance of a microstrip patch antenna. The 4×4 array of square components metasurface measuring 51.6 × 51.6 × 3.1016 mm is merged with the microstrip patch antenna, which has dimensions A=13.5 mm, B=12 mm, and C=1.2 mm. The radiation box dimensions (100 mm × 100 mm × 55 mm), …
Published in Journal of Microwave Engineering and Technologies · Vol. 11, Issue 3, 2024 · pp. 20–27 Read article
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Advanced Fiber-Reinforced Polymer Composites: Processing, Nano-Modified Adhesive Technologies, Interfacial Engineering, Durability, and Structural Applications—A Comprehensive Review
Abstract: Fiber reinforced polymer (FRP) composites are considered to be one of the most universal categories of advanced engineering materials owing to their unique properties such as outstanding strength-to-weight ratio, corrosion resistance, fatigue durability, and wide opportunities for design. Innovations in the fields of fiber reinforcement, polymer matrix system, composite manufacturing technologies, and nano-modified adhesives technology have greatly extended the range of applications of this type of materials in aerospace, automotive, …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 980–990 Read article
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Performance Analysis of DG FinFET for Ultralow-power Subthreshold Applications
Abstract: Subthreshold operating region of transistor shows huge potential toward satisfying demand of ultralow power (ULP) consumption from handheld portable devices. However, operating device with such small subthreshold leakage current as a switching current gives huge penalty in their operating frequency. For subthreshold operating region key design goal is to boost the speed of the device. DG FinFET device shows excellent device characteristics in subthreshold operating region. In this paper, 1-bit …
Published in Journal of Electronic Design Technology · Vol. 1, Issue 1-3, 2011 · pp. 26–33 Read article
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Comparison of 11-Atom Armchair Graphene Nanoribbons and Zig-Zag Carbon Nanotubes in Polymer Composites Under Various Bias Voltages: A Study of Electronic and Transmission Properties
Abstract: In this research, 11-atom zig-zag carbon nanotubes (ZCNTs) and 11-atom armchair graphene nanoribbons (AGNRs) were studied under applied bias voltages at 50, 150, and 300 millivolt levels. The focus was on understanding their behaviour concerning transmission qualities, current-voltage (I-V) characteristics, and energy-momentum (E-K) diagrams. The Non-Equilibrium Green's Function (NEGF) approach was employed to analyse various electronic properties for ZCNTs and AGNRs, including transmission, E-K relationships, and I-V characteristics. The results …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 126–134 Read article
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Utilization of Construction Chemicals: Need of Concrete Manufacturing
Abstract: Chemical industry is a boon for recent advancement in various fields of engineering, especially civil engineering. Chemicals are playing vital role in construction field focusing. Construction is a complex combination of physical and chemical actions. Physical aspect takes care of aesthetics and exterior appearance while chemical aspect deals with life and performance of the constructed structure. Accordingly, chemistry cannot be separated from any construction activity. Concrete is one of those …
Published in Emerging Trends in Chemical Engineering · Vol. 7, Issue 3, 2020 · pp. 1–4 Read article
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Lyapunov-Stable Adaptive Fractional-Order Interval Type-2 Fuzzy Control for Robust Anti-Lock Braking Under Uncertain Road Adhesion Conditions
Abstract: This paper proposes a Lyapunov-stable Adaptive Fractional-Order Interval Type-2 Fuzzy Logic Controller (FO-IT2FLC) for robust anti-lock braking system (ABS) control under nonlinear vehicle dynamics and uncertain road adhesion conditions. The proposed framework integrates fractional-order error dynamics to capture memory-dependent tire–road interaction, interval Type-2 fuzzy inference to model uncertainty via footprint-of-uncertainty representation, and a Lyapunov-based adaptive learning mechanism for real-time parameter tuning. A rigorous stability proof guarantees boundedness of all closed-loop …
Published in Journal of Control & Instrumentation · Vol. 17, Issue 2, 2026 · pp. 31–41 Read article
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Effect of Aluminium Nitride Layer on the Electrical Performance of Microelectronic HEMTs
Abstract: AbstractIn this simulation work, a series of simulation outputs are reported related to the AlGaN/GaN single-heterojunction high electron mobility transistors (HEMTs). The effect of aluminium nitride nucleation layer on the drain characteristics is significant in single-heterojunction AlGaN/GaN HEMTs. The effects of drain voltage and gate voltage on the drain current are studied in the designed and simulated device structures. This simulation work may be a useful prediction to fabricate the …
Published in Journal of Microelectronics and Solid State Devices · Vol. 4, Issue 3, 2017 · pp. 9–12 Read article