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258 articles for “low density”
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Probable Causes of Cracks on selected Buildings at Akrowa in Afigya Kwabre District, Ghana
Abstract: This work evaluated the nature of the foundation soils and cracks on twelve representative buildings at Akrowa, in the Afigya Kwabre District near Kumasi in Ghana. Age, material used whether clay/concrete, dimensions of cracks on the buildings and tests for geotechnical parameters of foundation soils such as moisture content, bulk density, specific gravity, particle size distribution, Atterberg limit and direct shear were carried out on soils from four pits dug …
Published in Journal of Geotechnical Engineering · Vol. 10, Issue 3, 2023 · pp. 29–39 Read article
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Seasonal Variation in the Weibull Parameters from In Situ Measurements and Model: A Case Study in the Bay of Bengal
Abstract: Seasonal variation of wind speed (U10) and its distribution are essential for the design of wind energy converters (WEC). In this study, year-round wind speed observations from a deepwater moored buoy at a location in the Bay of Bengal are used to assess the potential for wind power generation and are used to validate the ERA5 model. Model-U10 distribution is confined to low wind speeds with high occurrence in the …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 15, Issue 1, 2024 · pp. 30–40 Read article
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Power and Area - Aware Recursive Multiplier Architecture Utilizing Polymer Composites for Neural Network Acceleration
Abstract: Approximate computing is widely applied in error - tolerant systems as an effective technique to enhance circuit performance by deliberately allowing occasional inaccuracies instead of strictly ensuring precise results for every computation. Among the fundamental building blocks of digital systems, multipliers play a crucial role in signal processing, control systems, and machine learning applications; however, they demand significant power, silicon area, and timing resources. Leveraging error - tolerant approximate multipliers …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1320–1337 Read article
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A Review on High Electron Mobility Transistors
Abstract: AbstractThe demand for high speed semiconductor devices is increasing in recent years with the rapid development of the high frequency wireless and fiber optical communication systems. High electron mobility transistor (HEMT) is an important device and an excellent candidate for millimeter, sub-millimeter and microwave applications. Also, these devices have high frequency, high speed, low noise, high breakdown voltage, low cost and other power handling capabilities. Due to these reasons, they …
Published in Journal of Semiconductor Devices and Circuits · Vol. 3, Issue 2, 2016 · pp. 1–10 Read article
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Machine Learning Assisted Optimization of Nanoscale MOSFET Parameters Using TCAD Simulation
Abstract: This paper presents a machine learning (ML) assisted framework for the multi-objective optimization of nanoscale bulk n-channel metal-oxide-semiconductor field-effect transistors (nMOSFETs) with a 10 nm physical gate length, high-k HfO₂ gate dielectric, and TiN metal gate. Technology computer-aided design (TCAD) simulations employing drift-diffusion transport, Shockley-Read-Hall recombination, Lombardi mobility degradation, and density- gradient quantum correction models are used to generate a parametric dataset of 2,400 device configurations spanning gate length (L), …
Published in Journal of Microelectronics and Solid State Devices · Vol. 13, Issue 1, 2026 · pp. 10–19 Read article
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Chlorophyll-Mimicking Ti₃C₂Tₓ MXene-Conjugated Polymer Nanocomposites: Nature-Inspired Exciton Funneling Architecture for Ultrahigh Photon-to-Electron Conversion in Organic Solar Cells
Abstract: Green plant photosynthetic machinery is one of the most efficient natural systems for harvesting solar energy and converting it into useable electronic charge. Specifically, chlorophyll molecules in the Light-Harvesting Complex II (LHC-II) achieve nearly unity quantum yield via a well-organized Förster Resonance Energy Transfer (FRET) mechanism that enables excitons to migrate towards reaction centers. This study presents a bio-inspired nanocomposite architecture using two-dimensional Ti₃C₂Tₓ MXene nanosheets functionalized with chlorophyll-mimicking porphyrin …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 · pp. 114–130 Read article
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Energizing Streets: A Feasible Solution for Electric Vehicles
Abstract: Energy is the basic demand for the evolution of the advanced globe. The energy extracted from force is called potential energy which has visually no fuel expense. Thus, utilization of this energy can reduce the overall cost and can increase the output productivity. This project utilizes the force created from vehicle hump as an alternative and recyclable energy source. Electricity is generated by substituting the conventional speed breakers with a …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 9, Issue 2, 2018 · pp. 62–68 Read article
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Solutions to Problems Faced in Well Log Analysis in fractured metamorphic Reservoir Systems Due To Multiple Porosities and Lithology’s
Abstract: Metamorphic rocks are the most bottomless non-terrigenous sedimentary rock and are made essentially out of transformative minerals. Most metamorphic rocks shape from calcareous stores that collect in marine conditions running from salt marshes to reefs to profound sea bowls. Unmistakable and one of a kind parts of transformative rocks are their dominatingly intrabasinal starting point, their essential reliance on natural exercises for their constituents and their powerlessness to change by …
Published in Journal of Petroleum Engineering & Technology · Vol. 9, Issue 1, 2019 · pp. 36–42 Read article
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Evaluation of Physico-mechanical Properties of Aluminium-based Matrix Reinforced with SiC and Porcelain for Automotive Components
Abstract: The present study examines an effort to synthesize the composition of the hybrid metal matrix, by using aluminium-based matrix reinforced with silicon carbide and ceramic porcelain material. Weight reduction and reliability of components are the main priorities when developing automotive parts, it is essential to select and use materials with a high strength to weight ratio. It was feasible to identify an appropriate material for automotive applications by using this …
Published in Journal of Automobile Engineering and Applications · Vol. 6, Issue 3, 2019 · pp. 37–43 Read article
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Concrete Compressive Stress-Induced Crack Analysis and the Main Causes of Concrete Cracks in Construction
Abstract: The findings of experimental investigations into the micromechanical behaviour of concrete under various loading scenarios are presented in this work. Concrete specimens with normal and high strengths were examined under uniaxial compression in constrained spaces. Injection of a low melting point alloy was done into the concrete specimens' pores and fissures. To preserve the load-induced stress microcracks and the pictures from the cross sections of the concrete specimens photographed by …
Published in Journal of Experimental & Applied Mechanics · Vol. 13, Issue 2, 2022 · pp. 11–15 Read article
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Evaluation of Sustainable Waste Materials in Asphalt Paving Mixtures
Abstract: Generating recycled tires, disposable plastic bottles and waste engine oil are important problem in Iraq and there is need to solve it . The waste materials can be considered as an alternative materials in road pavement technology and the using of these materials would be a solution to converse the environment from pollution in one hand and modifying the asphalt paving materials on the other hand. The two waste materials …
Published in Trends in Transport Engineering and Applications · Vol. 6, Issue 1, 2019 · pp. 12–19 Read article
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Identification of Groundwater Potential Zone of Chhatrapati Sambhajinagar Tehsil Using Remote Sensing and GIS Technique
Abstract: Groundwater is one of the most vital and renewable natural resources, playing a key role in sustaining domestic, agricultural, and industrial activities, particularly in semi-arid regions like Chhatrapati Sambhajinagar tehsil in Maharashtra. The growing population, rising water demand, and irregular rainfall patterns have resulted in a pressing need to locate potential groundwater zones for sustainable water management. This research employs Remote Sensing (RS) and Geographic Information System (GIS) techniques to …
Published in Journal of Water Resource Engineering and Management · Vol. 12, Issue 2, 2025 · pp. 61–73 Read article
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Evaluate The Engineering Properties of Low Load-Carrying Capacity of Expansive Soil by Using Magnesium Chloride and Dry Leaf Ash Powder
Abstract: The swell-shrink behavior of expansive soils poses numerous challenges with the substructure and distress in infrastructures such as buildings, pavements, breast walls, etc. The behavior of expanding soil has been carefully examined by geotechnical engineers, who have then put adequate management techniques into place. Present investigation intends to investigate potential benefits of dry leaf ash (DLA) powder and magnesium chloride (MgCl2) to enhance geological characteristics of soil, particularly addressing problems …
Published in Journal of Geotechnical Engineering · Vol. 12, Issue 1, 2025 · pp. 33–45 Read article
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Investigation of Electro-optical Characteristic and Structure Optimization of PMMA: Bepq2/BCP/Tpbi Blue Highly Efficient OLED Device
Abstract: In this Investigation, the energy level structure of the Spiro-MeOTAD/PMMA: Bepq2/BCP/Tpbi/LiF OLED has been investigated to explain the method of electron-hole charge carrier pair recombination and the light generation. The Maxwell-Boltzmann statistics model was applied to optimize the structure to reduce the band gap between conductive layers. We found the simulated results J–V, J-Illumination flux, and Current Efficiency (CE) characteristics when we applied forward bias. Inconclusive results determined the threshold …
Published in Journal of Polymer & Composites · Vol. 11, Issue 5, 2023 · pp. 56–68 Read article
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Energy Harvesting Circuits with Piezoelectric Material: Design, Integration, and Optimization
Abstract: Piezoelectric energy harvesters (PHE) have drawn significant interest as a method of harvesting environment energy to power because of its compatibility and high energy density. Integrating piezoelectric energy harvesters into wireless sensor networks, Internet of Things (IoT)) devices, and wearable electronics enhances their functionality and also increases sustainability. This integration can be lead to the development of self-powered devices that can operate continuously without the need for external power sources. …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 1028–1039 Read article
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Site Suitability Analysis for Artificial Recharge of Groundwater using GIS and Remote Sensing Techniques: A Study of Mandya District, Karnataka, India
Abstract: The present work is conducted to identify the artificial recharge sites for recharging the groundwater level using GIS and Remote sensing techniques. The scarcity of ground water is keep on increasing day by day due to anthropogenic activities includes decrease in land cover and increase in land use, but the climatic conditions are also severely affected and results in decrease in rainfall and increase in land surface temperature. Most of …
Published in Journal of Water Resource Engineering and Management · Vol. 2, Issue 3, 2015 · pp. 10–22 Read article
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Thermoacoustic Properties of 1-Propanol-n-Hexane and 1-Propanol-Cyclohexane Binary Mixtures: A Comparative Study at 298.15 K
Abstract: This study reports the measurement of ultrasonic velocity (U), viscosity (η), and density (ρ) for the binary liquid mixtures 1-propanol–n-hexane and 1-propanol–cyclohexane at 298.15 K over the full composition range (mole fraction 0.1–0.9). From the experimentally measured data, several important thermodynamic and acoustic parameters, including isentropic compressibility (βₐ), acoustic impedance, intermolecular free length, free volume (Vf), and internal pressure (πᵢ), were systematically derived to assess the magnitude and nature of …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 17, Issue 1, 2026 · pp. 19–31 Read article
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Development And Quality Evaluation of Energy Ball Sing Oats and Pumpkin Seed
Abstract: Energy balls are a nutritious snack option, ideal for breakfast or mid-day consumption, composed of dry fruits, seeds, and dietary fiber. They serve as a source of slowly digesting carbohydrates, micro- and macronutrients, with energy primarily derived from carbohydrates like jaggery powder and dry dates powder containing fructose, glucose, and dextrose. The primary ingredients, pumpkin seeds, and oats are packed with health benefits. Pumpkin seeds provide dietary fiber, plant-based omega-3 …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 15, Issue 1, 2025 · pp. 16–29 Read article
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Assessing the Poisson Ratio of Reinforced Earth under Static and Dynamic Stresses
Abstract: Poisson’s ratio is an essential property of the soil strength and it is a measure of the amount of lateral strain in the soil sample caused due to the longitudinal strain of the soil. An attempt has been made in the present work to detect the variation in the Poisson ratio for reinforced and asphalt stabilized soil when tested under static and dynamic compressive stresses. Soil embankment model was prepared …
Published in Journal of Geotechnical Engineering · Vol. 10, Issue 1, 2023 · pp. 50–56 Read article
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Soil Gas Radon Concentration in a Residential Area of Surrey (BC) Canada using LR-115 type II Plastic Detector
Abstract: Soil gas radon concentration measurement studies have been carried out globally to determine the health hazard effects of radon due to its seepage in indoor air of dwellings. It is a useful parameter for geochemical exploration of Uranium and earthquake precursory studies. Most of the countries, including Canada, have designed building codes to reduce the radon entry indoors. The purpose of this study is to determine radon concentration in a …
Published in Research and Reviews: A Journal of Toxicology · Vol. 12, Issue 3, 2022 · pp. 1–6 Read article