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730 articles for “thermal”
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Nanotechnology-Enhanced Battery Management System for Passive Cell Balancing in Lithium-Ion Polymer Batteries for Electric Vehicles
Abstract: The automotive industry is swiftly moving towards eco-friendly innovations, with electric vehicles (EVs) taking center stage in this transformation. A crucial component of these vehicles is the battery, particularly lithium-ion polymer batteries, which exhibit superior performance compared to other battery types. However, these batteries are sensitive to both overvoltage and undervoltage conditions, posing potential safety risks. Additionally, imbalances between individual cells can degrade battery performance and reduce its service life. …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 26, Issue 3, 2024 · pp. 27–34 Read article
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Optimizing MEMS-Based Energy Harvesting with Piezoelectric and Thermoelectric Polymer Composites
Abstract: This research explores the development and performance of polymer-based composites, particularly Polyvinylidene Fluoride (PVDF) and Electro active Polymers (EAPs), in MEMS-based energy harvesting systems. PVDF, a flexible piezoelectric material, is combined with ceramic powders such as lead zirconatetitanate (PZT) to enhance its piezoelectric response while retaining mechanical flexibility. EAPs, including ionic polymer-metal composites (IPMCs) and dielectric elastomers, are investigated for their ability to generate electrical power from mechanical deformations, offering …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 221–237 Read article
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Risk Assessment of Nitration Process Using HAZOP and Fault Tree
Abstract: The present study addresses the safety issues associated with the nitration reactions. Since the nitration reaction is highly exothermic in nature exhibiting intense heat during the operation and may explode if wrongly handled, the risk assessment of nitration reaction is absolutely necessary. In the present work, the production of Ortho Nitro Chloro Benzene (ONCB) and Para Nitro Chloro Benzene (PNCB) is considered to perform the risk assessment of the nitration …
Published in Journal of Industrial Safety Engineering · Vol. 11, Issue 3, 2024 · pp. 18–23 Read article
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Synergistic Procurement and Molecular Characteristics of Full Grain Leather in Advanced Material Engineering
Abstract: This article explores the molecular characteristics and engineering processes involved in the production and application of full-grain leather, recognized for its premium quality due to its intact granular structure. Full-grain leather, undivided into split layers, maintains a robust and durable molecular composition, making it a preferred material in high-quality garment manufacturing. The study emphasizes the role of leather conditioners in restoring the molecular suppleness and moisture retention of leather, crucial …
Published in International Journal of Advance in Molecular Engineering · Vol. 2, Issue 2, 2024 · pp. 8–13 Read article
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Experimental Investigation of Heat Transfer Rates in Water Coils Under Various Flow Conditions
Abstract: This study investigates the influence of various flow conditions on heat transfer rates in water coils through experimental analysis. Water coils, crucial for efficient thermal management in industrial applications, were tested under different flow rates and orientations to assess their impact on heat transfer performance. The experiment involved measuring heat transfer coefficients and pressure drops for coils subjected to flow rates ranging from 0.5 to 5 L/min and comparing results …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 11, Issue 2, 2024 · pp. 36–42 Read article
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Innovative Thin Film Technologies for Energy and Environmental Applications
Abstract: This article explores recent advancements in thin film technologies, focusing on their applications in photocatalysis, energy storage, and gas sensing. It highlights the growth of zinc oxide (ZnO) films via thermal evaporation for photocatalytic dye degradation, achieving up to 99.6% efficiency at pH 2. The study also examines vanadium pentoxide (V2O5) as a promising cathode material for lithium-ion batteries, discussing its structural characteristics and challenges related to conductivity and stability. …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 11, Issue 3, 2024 · pp. 33–38 Read article
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Optimizing Fin Parameters to Enhance Passive Heat Dissipation in Photovoltaic Panels
Abstract: This study explores passive cooling techniques to enhance the thermal management of photovoltaic (PV) modules, which is crucial for maintaining efficiency. A computational fluid dynamics (CFD) model, using ANSYS Fluent, was developed to evaluate three fin shapes: rectangular, trapezoidal, and triangular, attached to the back of PV modules. The study varied parameters such as fin count, thickness, and length to determine optimal configurations for cooling. Among the designs, triangular fins …
Published in International Journal of Radio Frequency Innovations · Vol. 2, Issue 2, 2024 · pp. 25–35 Read article
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A Comprehensive Review of FinFet Technology: Advantages, Challenges and Applications
Abstract: This has been complemented by improvements on the new layers that have surpassed the manufactures planar transistor by the new FinFET (Fin Field-Effect Transistor), which enhance modern demands on high performance, small size and low power consumption. This review is for a timely information on the latest development on FinFET technology, such as by curbing leakage currents by 50 percent and enhancing its speed by 30 percent proving that FinFETs …
Published in Journal of Semiconductor Devices and Circuits · Vol. 11, Issue 3, 2024 · pp. 1–12 Read article
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IP Transcendence: Unifying IPv6 Over IPv4 Network
Abstract: Dynamic routing also called adaptive routing like traditional glass optical fiber, POF uses a polymethyl methacrylate (PMMA) core with a fluorinated polymer cladding, resulting in a larger core diameter that simplifies alignment and splicing. POF's adaptability is one of its main benefits. Because of their fragility and stiffness, ordinary glass fibers would not be practicable in certain situations where POF can be put. POF is a great option for intricate …
Published in International Journal of Electrical Power and Machine Systems · Vol. 2, Issue 1, 2024 · pp. 36–42 Read article
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Electrical Measurements on La-modified Four-Layered Aurivillius Ceramics
Abstract: Bismuth layered structure ferroelectric (BLSF) of Aurivillius family is found to be attractive owing to its scientific and technological point of view. These materials have potential ferroelectric applications owing to the fact of its high Curie temperature, high temperature piezo-devise and ferroelectric random access memory (FRAM), applications. In addition, Bi-modified compounds have shown improved ferroelectric properties. However, the plausible reason for improving ferroelectric properties in Bi-modified is still unclear. The …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 157–170 Read article
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Impact of Shape, Size and Crystal Structure on Vacancy Related Properties of Gold Nanoparticles
Abstract: It is necessary to consider defects to explain the electron movement, thermal transport and mechanical properties of materials. In the present study, a simple quantitative model for cohesive energy of nanoparticles is extended to determine the size, shape and crystal structure effect on vacancy formation energy, vacancy entropy, and vibrational frequency in free surface Au nanoparticles. Vacancy entropy variation with size has been studied for spherical, regular octahedral, regular hexahedral …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 223–229 Read article
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Optical Along with Magnetic Properties of Doped Nano-Structured Mos2 Nano-Films by Spin Coating
Abstract: The supernatant containing 2D nano-flakes of Molybdenum di-sulphide (MoS2) are synthesized and collected using wet chemical synthesis process. The dispersed MoS2 nano-flakes solution is having strong absorbance values at 627 nm and 690 nm conforming to an energy band gap BG of 1.79 eV and 1.98 eV. Thereafter, MoS2 thin films with and without magnetic doping (cobalt) are deposited on n type silicon by spin coating technique. These samples are …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 297–302 Read article
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Machinability of Metal Matrix Composites using Wire Electric Discharge Machining: A Review
Abstract: Metal Matrix composites [MMCs] are increasingly being applied in the automotive and aerospace industries as high-performance substitutes for traditional materials. Due to these properties, namely, high strength-to-weight ratio, outstanding fracture toughness, and low density, a vast array of uses is feasible. We can control the properties of MMCs directionally as well, which makes them the perfect choice for military uses and marine and sports equipment. The machining of MMCs plays …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 303–311 Read article
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Isolated Bidirectional Flyback Converter in EV Charging and V2G Systems: A State-of-the-Art-Review
Abstract: The growing adoption of electric vehicles (EVs) and the potential of Vehicle-to-Grid (V2G) technology underscore the importance of efficient and reliable isolated bidirectional DC-DC converters in EV charging systems. The market for electric vehicles (EVs) is expanding at an exponential rate due to the worldwide trend towards sustainable transportation, with electric mobility emerging as a crucial way to lower carbon emissions and rely less on fossil fuels. This review examines …
Published in International Journal of Electrical Power and Machine Systems · Vol. 2, Issue 2, 2024 · pp. 23–32 Read article
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Maintaining Load Without Battery Backup Using Solar Panel
Abstract: Adaptable for maintenance of electrical loads by discharging loads without relying on conventional battery banks, depending on usage and requirement of solar energy. The only system that will receive free electricity for the rest of its life and last for about 20 to 25 years is this one. This system's batteries need ongoing inverter maintenance at least every two to five years. Therefore, we require a solution strategy of some …
Published in International Journal of Electrical Power and Machine Systems · Vol. 2, Issue 2, 2024 · pp. 17–22 Read article
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Na-Air Battery: The Battery of the Future—A Review
Abstract: Metal-ion batteries came into the limelight with the invention of Zn-ion battery as early as 1878, but its commercial viability came into picture in 1990 and lithium-ion cell in 1977. Since then, a number of metals have been experimented upon and similar rechargeable secondary storage batteries like Al-ion, Na-ion, Sn-ion, Mg-ion, K-ion have been developed. In this type of battery, electrochemical dynamics involves the movement of only one kind of …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 15, Issue 3, 2024 · pp. 1–19 Read article
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Enhancing Energy Efficiency in HVAC Systems: A Comprehensive Study of EC+ Fans, VFDs, and AI Integration
Abstract: This research paper explores the integration of EC+ fans with Variable Frequency Drives (VFDs) and Permanent Magnet (PM) motors to enhance energy efficiency and operational performance in heating, ventilation, and air conditioning (HVAC) systems. An extensive energy audit was conducted at the BidP plant in Bangalore, focusing on air handling units (AHUs) in Hangar 101. The audit revealed substantial variations in fan efficiency, secondary fan performance, power consumption, and airflow …
Published in Trends in Machine design · Vol. 11, Issue 3, 2024 · pp. 44–54 Read article
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Thermoelectric Generator Plate-based EV Charging Solutions
Abstract: The International Institute of Refrigeration estimates that air conditioning and refrigeration use 15% of the world's electricity and contribute to the emission of CO2, HCFCs, and other harmful chemicals. Global warming is one of the many negative effects of using such refrigerants on our environment. The efficiency of the car is impacted by the increased fuel consumption for air conditioning. Thermoelectric air conditioning can be utilized to solve the emission …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 11, Issue 3, 2024 · pp. 1–13 Read article
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Nanocomposites of Polyethylene-Closite 20A: Preparation and Characteristics
Abstract: Low-density polyethylene/closite 20A nanocomposites with different organoclay contents were made in the current study by a melt mixing technique with two different compatibilizers of varying contents: low molecular weight oxidized polyethylene and low molecular weight trimethoxysilyl modified polybutadiene. The inclusion of compatibilizers and concentrations of organoclay were analyzed in relation to the mechanical and thermal properties of the nanocomposites. The dispersibility of the silicate clay in the nanocomposites was investigated …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 15, Issue 1, 2025 · pp. 01–12 Read article
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From Molecular Mechanics to Nanocomposites: Engineering Polytetrafluoroethylene (PTFE) for High-performance Coating Applications
Abstract: Polytetrafluoroethylene (PTFE) exhibits remarkable chemical inertness, hydrophobicity, antifriction, self-lubrication, and high-temperature resilience, making it an ideal polymer for various industrial applications, including coatings for medical implants, machinery parts, and corrosion-resistant structures. This study presents a comprehensive analysis of PTFE’s structural properties, focusing on helix reversals within its helical carbon-fluorine chains and their effects on mechanical behavior. The phase transitions of PTFE at temperatures from ambient to high (198°C and above) …
Published in International Journal of Advance in Molecular Engineering · Vol. 2, Issue 2, 2024 · pp. 14–19 Read article