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1120 articles for “TEM”
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Properties and antimicrobial activity of bacterial nanocellulose composite incorporated with silver nanoparticles based on green synthesis
Abstract: Green silver nanoparticles (AgNPs) synthesized using medical plant extracts as capping and reducing agents demonstrate broad applicability in addressing the threat posed by infections. In this study, we present a sustainable, low-toxicity, and cost-effective bacterial nanocellulose composite with silver nanoparticles based on green synthesis that uses Origanum vulgare as a reducing agent due to numerous biological components. The formation of AgNPs in composite and morphological properties was analyzed using scanning …
Published in Journal of Polymer & Composites · Vol. 12, Issue 1, 2024 · pp. 323–328 Read article
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Automation of 1.5tr Air Conditioning Systems Used in Different Cabins in Different Areas
Abstract: India is the world's most populous country and temperatures in many states regularly exceed 40°C. Therefore, people living in humid climates need a means to control temperature. Scientists have determined that human comfort is between 22°C and 27°C. This research determines all the properties of air relevant to the operation of water pipes. Exploring automation in air conditioning systems with Passive Infrared Sensor is to develop and implement intelligent climate …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 11, Issue 1, 2024 · pp. 1–8 Read article
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Parametric optimization of COF of fabricated AA6082/Si3N4/C/Al2O3 composite
Abstract: In the present experimental investigation AA6082/Si3N4/C/Al2O3 composite was successfully fabri-cated using stir casting technique combined with electromagnetic stirrer for wear resistance applica-tions. The produced AA6082/Si3N4/C/Al2O3 composite exhibits improved tribological and me-chanical and properties, according to the experimental results. The generated composite has a micro-hardness range of 60 to 110 HV and an average UTS of 150 to 200 MPa. The tribological perfor-mance was evaluated using a pin on disc tribometer. …
Published in Journal of Polymer & Composites · Vol. 12, Issue 2, 2024 · pp. 144–152 Read article
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Effect of Nano Metal Oxide Loading Rates on Polymer-Nano Metal Oxide Nanocomposites
Abstract: Many industries, such as those in the fields of medicine, textiles, cosmetics, agriculture, optics, food packaging, optoelectronics, semiconductors, aerospace, building materials, and catalysis, utilise nanoparticles and nanocomposites in a variety of applications. A unique class of materials, polymeric nanocomposites outperform their microparticle counterparts by fusing organic polymers with inorganic nanoparticles. Consequently, they ought to advance the field of engineering applications. The presence of inorganic nanoparticles can significantly alter the properties …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 14, Issue 1, 2024 · pp. 1–12 Read article
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Advancements in Nanostructured Membranes for Gas Separation: A Comprehensive Review
Abstract: Gas separation is vital in petrochemical, pharmaceutical, and environmental industries, yet traditional methods like distillation and cryogenic separation are energy-intensive and inefficient. Nanostructured membranes present a promising alternative, utilizing nanomaterials such as titanium dioxide, silica, carbon nanotubes, zeolite, and metal-organic frameworks to enhance separation efficiency and selectivity while reducing energy consumption. These membranes fall into various categories: polymeric nanostructured membranes, including mixed matrix and thin-film composites; inorganic membranes, such as …
Published in International Journal of Membranes · Vol. 1, Issue 1, 2024 · pp. 31–36 Read article
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Production of Floor Tile Using Recycle Low Density Polyethylene And Groundnut Shell as a Filler
Abstract: The production of flow tile using recycled low density polyethylene and groundnut shell as filler with the particle size of 120µm was carried out in this project . 10 pphr of all the fillers were weighed and mixed with recycled low density polyethylene on two roll mill machines. The result on this work showed that on FTIR five functional groups were identified and they are; OH, C-H, CH2/CH3, C-O, C=H. …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 11, Issue 1, 2024 Read article
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Design of Coal Mine Safety and Monitoring System Using Sensors and IOT
Abstract: The paper proposes the application of a network of wireless sensors deployed within coal mining safety systems to oversee the operational environment and bolster safety protocols within coal mines. The system consists of master controllers and slave controllers, where the slave controllers detect dangers and send alerts to the master controller through Wi-Fi, enabling quick action to be taken. The system is powered by the NodeMCU microcontroller and includes various …
Published in Journal of Thermal Engineering and Applications · Vol. 11, Issue 1, 2024 · pp. 1–7 Read article
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Triple Fire Shield for EV Batteries: Prevention, Mitigation and Design Innovations
Abstract: The paper introduces the Triple Fire Shield, a threefold approach aiming to improve the safety and reliability of electric vehicle batteries. Overcharging, overheating, or physical damage to battery can lead to thermal runaway which in turn lead to fire. Due to this, introduction of a safety strategy is necessary for ensuring the protection of the passenger. Prevention of thermal runaway is achieved through temperature management methods such as Battery Management …
Published in Journal of Thermal Engineering and Applications · Vol. 11, Issue 1, 2024 · pp. 28–35 Read article
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Advancements in Battery Monitoring for Electric Vehicle Optimization
Abstract: The shift towards electric vehicles (EVs) is inevitable as we move towards a more sustainable future, necessitating the development of more efficient EV technologies. Central to any EV is its battery management system (BMS), comprised of intricate electronic circuits like converters and inverters. The BMS is crucial for optimizing battery performance by monitoring and regulating key parameters such as current, voltage, state of charge (SOC), and temperature. Because of its …
Published in Journal of Thermal Engineering and Applications · Vol. 11, Issue 1, 2024 · pp. 8–13 Read article
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PCM with Multiple Node Injections
Abstract: Phase-Changing Materials (PCM) are currently being investigated for use as heat storage in solar energy applications. To analyze the temperature profile, morphing tree structures are used to simulate the melting algorithm of Phase Changing Material with increasing branch numbers. The melting behavior is simulated for invading lines of heat, which range from single-lined, zero branch insertions, to insertions with two branched lines. The research aims to address the growing demand …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 14, Issue 1, 2024 · pp. 2–7 Read article
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Cultural Geomorphological Investigation of the Area around Twelve Jyotirlinga in India
Abstract: The cultural geomorphological investigation of the area around the twelve Jyotirlinga in India presents a comprehensive scientific exploration of the geological and geomorphological aspects of these sacred sites. Originally believed to be 64 in number, the twelve Jyotirlinga represent the most revered and holy places dedicated to Lord Shiva. These temples, distributed across the Indian subcontinent, exhibit a remarkable geographical arrangement in a distinctive spiral pattern. Based on aerial positions …
Published in Journal of Remote Sensing & GIS · Vol. 15, Issue 1, 2024 · pp. 47–70 Read article
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Parametric optimization of residual stress of TiO2 composite coating
Abstract: The primary objective was to develop a composite coating by utilizing the HVOF thermal spray technique and including TiO2. The substrate was covered with a high-quality composite layer utilizing the HVOF coating process. The TiO2-based powder and carbon powder were initially combined in the mixer for deposition. The composite powders were applied via an HVOF torch, namely the PT F4 model. The firearm frequently produces a high-speed flow of extremely …
Published in Journal of Polymer & Composites · Vol. 12, Issue 2, 2024 · pp. 295–301 Read article
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Assessment of Fire Resistance of Offshore Structures under Special Environmental Loads: Emphasizing Structural Integrity and Safety Measures for Extreme Conditions
Abstract: Offshore structures are exposed to a myriad of environmental challenges, including high temperatures and fire hazards, necessitating robust fire resistance measures to ensure structural integrity and the safety of personnel and facilities. This study aims to evaluate the fire resistance of offshore structures under special environmental loads, with a focus on the structural integrity and safety measures in place to withstand extreme conditions. The research methodology includes a comprehensive review …
Published in Journal of Offshore Structure and Technology · Vol. 11, Issue 1, 2024 · pp. 1–9 Read article
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Smart Helmet Driven by Arduino Features Adaptive Sensors and Wireless Communication Technology
Abstract: Equipped with wireless communication technology, sensors, and a microprocessor, the Arduino-Futured Smart Helmet constitutes an incredibly powerful and efficient device. The microcontroller serves as the brains of the helmet, receiving and processing data from the sensors and guiding the other components as necessary. This technology allows the helmet to monitor its surroundings and respond to them immediately. The integrated sensors in the helmet measure temperature, humidity, and fluctuations in the …
Published in Journal of Materials & Metallurgical Engineering · Vol. 14, Issue 1, 2024 · pp. 7–13 Read article
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Standard Manufacturing Procedure of Rajavarta Bhasma Prepared from two Varieties
Abstract: Rasaaushadhi are the backbone of Ayurveda therapeutics. Bhasma Kalpana comprises of conversion of metals and minerals into suitable form. In Rasashastra, Rajavarta (lapis lazuli) is one among Uparatna (semi-precious stone) and used as a Bhasma in Prameha (polyuria), Kshaya (emaciation), Pandu (pallor) and many more. However besides its therapeutic uses, it remains unexplored by scholars of Rasashastra. In present era, two types of Rajavarta are available in market based on …
Published in Journal of AYUSH: Ayurveda, Yoga, Unani, Siddha and Homeopathy · Vol. 13, Issue 2, 2024 · pp. 14–23 Read article
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Optimization of An Intercooler Used in Multi Stage Compressor Using with and Without Baffels
Abstract: Thermal and CFD analysis is done on the intercooler. CFD analysis is done under different boundary conditions. The materials considered for shell and tube intercooler are Aluminum, Titanium and Copper for thermal analysis and compared for better material. The input of heat transfer coefficient for thermal analysis is taken from output of CFD analysis. The intercooler's pressure gradients, temperature distributions, and fluid flow patterns can all be understood using CFD …
Published in International Journal of Energy and Thermal Applications · Vol. 2, Issue 1, 2024 · pp. 1–8 Read article
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Smart Home Safety Using Fire and Gas Detection System
Abstract: In a world where technology is advancing at a rapid pace, one goal of smart homes is to protect the safety of the house and, most importantly, the people who live there. An essential part of our suggested systems' functionality is the inclusion of fire and gas detection sensors. The increasing use of smart homes has shown new ways of increasing security and safety through including intelligent techniques in proper …
Published in Recent Trends in Fluid Mechanics · Vol. 11, Issue 1, 2024 · pp. 35–43 Read article
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Numerical simulation and Artificial neural network illustration of phase-change material integrated into lattice structures printed in 3D
Abstract: This work examines the phase change material (P.C.M.) deposited in various lattice formations—such as “S.C., B.C.C., and F.C.C”.—at varied characteristics. The test concentrates on comprehending heat transport properties and thermal activity throughout the “melting and solidification processes”. The heater's maximum temperature, P.C.M. “melting and solidification”, and Nusselt number are among the essential factors examined. According to the findings, the heater's maximum temperature drops as porosity increases. Although the Nusselt values …
Published in Journal of Polymer & Composites · Vol. 12, Issue 2, 2024 · pp. 175–183 Read article
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Climate Change & Its Impacts: Understanding the Global Climatic Trends
Abstract: One of the most pressing environmental issues of our time is climate change, which is caused by human activity such as the burning of fossil fuels, deforestation, and industrial operations. This paper examines the underlying mechanisms of climate change, focusing on the role of greenhouse gases in the Earth's atmosphere and their impact on global temperature rise. Through a comprehensive analysis of historical climate data and current trends, we highlight …
Published in International Journal of Climate Conditions · Vol. 1, Issue 1, 2024 · pp. 38–43 Read article
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Producer Gas Generation by Utilizing Paddy Straw as a Biomass Feedstock in an Open Core Downdraft Gasifier
Abstract: In present day scenario, the burning of paddy straw seriously affects the environment in India. This paper research work is utilized to solve the above-mentioned problem. In this research work, a downdraft gasifier is used for the gasification process of paddy straw for generating Producer gas (PG). The process is carried out with air as gasifying agent. The gas composition, calorific value, temperature, and efficiency are taken as performance characteristics …
Published in Journal of Polymer & Composites · Vol. 12, Issue 3, 2024 · pp. 301–310 Read article