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1954 articles for “Performance” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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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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A Novel Approach for Design and Optimization of Slot Antenna for WLAN Applications
Abstract: The simulation, and analysis of a micro-strip fed slot antenna array intended for operation in the 2.4 GHz ISM (Industrial, Scientific, and Medical) band, which is widely used for wireless technologies such as Wi-Fi and Bluetooth. A slot antenna is a type of antenna where a slot (cut or gap) is made on a metal surface, and it radiates electromagnetic waves. Utilizing ANSOFT HFSS software, the antenna's performance is optimized, …
Published in Journal of Microwave Engineering and Technologies · Vol. 12, Issue 1, 2025 · pp. 1–12 Read article
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The Evolution of Ion Propulsion Systems: A Comprehensive Review of Technologies and Applications
Abstract: Field-Emission Electric Propulsion (FEEP) represents a cutting-edge advancement in electric propulsion systems, leveraging the principle of ion emission through intense electric fields to generate precise and efficient thrust for spacecraft. This study explores the working mechanisms, performance characteristics, and applications of FEEP thrusters in the context of modern space exploration. FEEP systems utilize liquid metals, such as cesium or indium, as propellants, which are ionized at the emitter tip and …
Published in Recent Trends in Fluid Mechanics · Vol. 12, Issue 1, 2025 · pp. 16–22 Read article
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Next-Generation Catalysts: Enhancing Efficiency and Selectivity in Chemical Reactions
Abstract: This study investigates the fundamental principles of coatings and their rejuvenation mechanisms, focusing on the development of advanced coatings that not only protect but also restore the performance of degraded surfaces. The article delves into the various types of coatings, including organic, inorganic, and hybrid formulations, emphasizing their distinct characteristics and applications. A significant portion of the study is dedicated to the mechanisms of rejuvenation, where we analyze how specific …
Published in Journal of Catalyst & Catalysis · Vol. 11, Issue 3, 2024 · pp. 24–28 Read article
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Advancing IoT Security through Blockchain-based Approaches
Abstract: The emergence of blockchain technology has revolutionized various industries, including the Internet of Things (IoT), by providing a decentralized and secure platform for data management and transaction processing. However, securing IoT devices and networks remains a significant challenge due to inherent vulnerabilities and the increasing sophistication of cyberattacks. Blockchain-based security approaches have shown promise in addressing these challenges, yet their adoption is hindered by a lack of comprehensive taxonomy and …
Published in Trends in Electrical Engineering · Vol. 15, Issue 1, 2025 · pp. 1–34 Read article
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Design of Integrated DC/DC Converter Topology for Hybrid Vehicle
Abstract: Hybrid vehicles traditionally rely on separate DC/DC converters for both the battery and fuel cell, which often leads to increased size, higher costs, energy losses, and limited performance. This paper presents an improved solution: a compact, integrated DC/DC converter with a non-isolated, multi-port design. This new approach simplifies the system by combining the fuel cell and battery into a single, unified converter, reducing the typical drawbacks of conventional designs. The …
Published in Journal of Instrumentation Technology & Innovations · Vol. 15, Issue 1, 2025 · pp. 25–31 Read article
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A Practical Approach for Privacy Preserving in Cloud Computing Using Fully Homomorphic Encryption Scheme BFV and CKKS
Abstract: Cloud computing is a new type of computing architecture whereby data may be accessed over the Internet along with other services linked to its scalable data centers in the cloud. The risk associated with computing is increased since it provides essential services that are typically provided to any third party, making it more difficult to enable data security, privacy, confidentiality, integrity, and authentication. To reduce security risks, most users choose …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 12, Issue 1, 2025 · pp. 1–8 Read article
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An Overview of Composite Materials: Historical Development, Classification, and Advancements in Natural Fiber-Reinforced Polymer Composites
Abstract: Composite materials have brought about a paradigm shift in numerous industries by integrating distinct components to improve material performance. Consisting of a matrix and reinforcement, composites synergistically combine the unique properties of each constituent to deliver superior strength, enhanced durability, and remarkable flexibility. These attributes have made composite materials indispensable in diverse fields such as automotive, aerospace, construction, and marine engineering. This article provides a comprehensive exploration of the historical …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 158–175 Read article
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A Review: Advancements and Applications of Investment Casting Technology in Aerospace Industries
Abstract: A conventional method for producing intricate and superior metal components is investment casting. It utilizes a wax pattern, a refractory shell, and molten metal to create a near-net-shape product. This method has been around for more than 5,000 years and is still relevant in various industries today, especially in aerospace. Investment casting, also known as lost-wax casting, is essential to the aerospace industry's ability to produce complex, high-performance parts. The …
Published in Journal of Materials & Metallurgical Engineering · Vol. 15, Issue 1, 2025 · pp. 61–66 Read article
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Nano Positioning for Large Scanning Range for XY Mechanism
Abstract: In this study, an XY flexure stage that provides a variety of motion options while reducing incorrect motions is designed and assessed. In the flexure design, the double parallelogram flexure modules are positioned methodically and symmetrically. The performance of the flexure stage is assessed using finite element analysis, and experimental testing is performed to validate the findings. The built-in prototype of the flexure stage has dimensions of 350 mm x …
Published in Journal of Microelectronics and Solid State Devices · Vol. 12, Issue 1, 2025 · pp. 30–35 Read article
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Investigating Flexural Behavior in Cyclic Loading of Fly Ash-Based Green Concrete
Abstract: The construction industry is increasingly embracing sustainable materials, and geopolymer concrete (GPC) has emerged as a promising eco-friendly alternative to Ordinary Portland Cement (OPC). Derived from industrial by-products such as fly ash, GPC offers significant environmental advantages by reducing greenhouse gas emissions associated with conventional cement production. This study explores the monotonic and cyclic performance of fly ash-based GPC, with a focus on its mechanical and structural behavior. Key properties, …
Published in Journal of Structural Engineering and Management · Vol. 12, Issue 1, 2025 · pp. 1–5 Read article
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Protective Coatings for High-Temperature Applications: Challenges and Innovations
Abstract: High-temperature environments impose significant challenges on materials used in a variety of industrial applications, where components are exposed to extreme heat. These environments can cause a range of issues, including material degradation through processes like corrosion, oxidation, and thermal cycling, which can severely limit the performance, durability, and overall lifespan of components. Over time, these issues may lead to component failure, increased maintenance costs, and even unplanned shutdowns in industrial …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 12, Issue 2, 2025 · pp. 1–9 Read article
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An overview of Nanocrystalline Hydrogenated Silicon Thin film Transistor
Abstract: This article elaborates and comprehends an overview on nc-Si:H TFT's, detailing and highlighting the topics like fabrication methodology, properties/stability, modelling, characterization techniques, challenges and futuristic scope/applications.With the growing demands in commercialization of Solar Cells (low-cost photo voltaic devices), Large Area Displays (like OLED’s), Thin film electronics (FPD applications), pixel switches, wearable/flexible electronics and so on, has prompted researchers to develop nc-Si:H TFT's (an alternative solution) which can out perform the …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 27, Issue 2, 2025 · pp. 1–23 Read article
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A Critical Review on Carbon Fiber Reinforcement in Various Applications
Abstract: Carbon fiber, celebrated for its outstanding mechanical properties and impressive strength-to-weight ratio, has become a critical material in various industries. This review journal, An In-Depth Study of Carbon Fiber Reinforcement in Diverse Applications, delves into the recent advancements and innovations in carbon fiber technology. The exploration includes its integration into aerospace, automotive, civil engineering, sports equipment, and renewable energy sectors. The aerospace industry leverages carbon fiber for constructing lightweight, fuel-efficient …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 490–502 Read article
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Securing IoT Wilderness with VHDL
Abstract: The Internet of Things (IoT) has revolutionized connectivity by integrating billions of devices and reshaping industries. However, this vast network also brings substantial security concerns. From compromised sensors to hijacked industrial control systems, the vulnerabilities within IoT devices can have far-reaching consequences. Hardware Security Modules (HSMs) provide a reliable and secure environment for performing cryptographic operations and safeguarding sensitive data. This article explores the crucial role of VHDL (VHSIC Hardware …
Published in International Journal of VLSI Circuit Design & Technology · Vol. 3, Issue 1, 2025 · pp. 29–40 Read article
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A Review Natural Ventilation by Using Solar Chimney
Abstract: A solar chimney is an effective and sustainable ventilation technology designed to enhance airflow within residential and commercial buildings by utilizing natural convection. Operating on principles like a traditional fireplace, a solar chimney harnesses solar energy to generate an upward air movement, creating a pressure difference that drives passive ventilation. The system comprises a vertical shaft, usually constructed with heat-absorbing materials, which captures solar radiation and heats the enclosed air. …
Published in International Journal of Electrical Power and Machine Systems · Vol. 3, Issue 1, 2025 · pp. 22–28 Read article
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Advancements in Heat Exchanger Design for Improved HVAC System Efficiency
Abstract: Due to their direct impact on usage of energy, operational effectiveness, and environmental sustainability, heat exchangers have become vital components of the air conditioning, ventilation, and heating (HVAC) systems. The growing demand for energy-efficient HVAC solutions has driven extensive research and development efforts aimed at improving heat exchanger performance. Traditional designs, such as shell-and-tube and fin-and-tube heat exchangers, have long been utilized in HVAC applications. Nevertheless, these traditional types frequently …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 12, Issue 1, 2025 · pp. 44–52 Read article
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Formation and Fabrication of A 3D- Printed Polymer Propeller for Improved Propulsion and Minimal Acoustic Emission: A Comparative Study for Small Unmanned Vehicles
Abstract: The current research focuses on a comparative analysis of propeller designs to identify an option that enhances thrust efficiency while minimizing acoustic noise. The study evaluates three distinct types of propellers: the traditional three-blade propeller, the Sharrow propeller, and a novel aero propeller featuring an air foil-shaped cross-section. To facilitate a hands-on analysis, these propellers were produced using 3D printing technology, specifically employing ABS filament through a Fused Deposition Modelling …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 252–261 Read article
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Solar Panel Maintenance and Prevention System
Abstract: Solar energy has emerged as a sustainable and efficient alternative to conventional energy sources. However, maintaining solar panels is crucial to ensure optimal performance and longevity. Accumulation of dust, dirt, and environmental debris can significantly reduce energy efficiency, leading to increased operational costs and potential system failures. To overcome this issue, we suggest an IoT- based Solar Panel Maintenance and Prevention System that facilitates automated cleaning and preventive maintenance via …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 16, Issue 2, 2025 · pp. 29–34 Read article
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Enhanced Biodiesel Production Via Encapsulation of Yeast Cells in Biocompatible Polymers
Abstract: Yeast-based biodiesel production offers a sustainable alternative to conventional fossil fuels. However, factors like harsh environmental conditions and shear stress during processing can limit yeast cell viability and overall biodiesel yield. This study explores the potential of encapsulation technology using biocompatible polymers to improve yeast performance in biodiesel production. Encapsulation can create a protective barrier for yeast cells, shielding them from harsh environments and shear stress during processing. This protection …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 57–62 Read article