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902 articles for “temperatures”
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Unification and DC Conductivity of PDMS/NiNPs Nanocomposite
Abstract: The DC conductivity of nickel nanoparticles–polydimethylsiloxane (NiNPs–PDMS) composite materials has attracted considerable attention due to their promising applications in flexible electronics, sensors, and energy storage devices. The electrical performance of these composites is largely governed by the formation of conductive networks within the insulating polymer matrix. Incorporating nickel nanoparticles into PDMS introduces conductive pathways that significantly enhance DC conductivity once a critical percolation threshold is reached.Several key factors influence the …
Published in Research & Reviews : Journal of Physics · Vol. 15, Issue 1, 2026 Read article
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Entropy Analysis of Unsteady MHD Bioconvective Nanofluid between Parallel Disks under Squeezing Motion and Multiple Slip Conditions.
Abstract: This research offers valuable insights for improving heat transfer and minimizing entropy generation in engineering systems that involve nanofluids and microorganisms. It investigates the unsteady squeezing bioconvection flow of a nanofluid between two parallel disks, with a focus on entropy generation, flow dynamics, heat transfer, and the concentration of both nanoparticles and microorganisms. The lower disk is stretched horizontally and subjected to suction, while the upper disk moves vertically, creating …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 28, Issue 1, 2025 · pp. 17–40 Read article
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Development and Performance Evaluation of GO–ZnO/PU Hybrid Nanocomposite Coatings for Improved Optical Transmission, Cooling, and Self-Cleaning in PV Systems
Abstract: The performance of solar photovoltaic (PV) modules with time is affected by thermal heating, dust buildup, and exposure to ultraviolet (UV) light; as a result, the power loss increases rapidly during the use condition. In this study, a polyurethane (PU) nanocomposite, fabricated with graphene oxide and zinc oxide (GO–ZnO), is invented and examined. Improvements in heat management, light transmission, and dirt resistance are planned for PV glass surfaces. The nanocomposite …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 243–249 Read article
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Investigations of A Solar Dryer With Thermal Storage
Abstract: This study presents the design, building, and performance evaluation of a low-cost mixed-mode natural convection solar cabinet dryer in conjunction with a latent heat thermal energy storage system. The work's goal is to reduce post-harvest losses in rural and semi-urban areas by offering an effective and reasonably priced method of preserving agricultural goods. The dryer is made out of a transparent polycarbonate lid to allow for solar heat gain, an …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 13, Issue 1, 2026 Read article
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Thermo-Mechanical Vibration Analysis of Simply Supported Laminated and Flat Plates Under Harmonic Loading
Abstract: This paper delves into a numerical exploration of the vibration characteristics and frequency response of two types of plates: a simply supported rectangular laminated plate and a simply supported flat plate. These plates are subjected to concentrated harmonic forces within a thermal environment. The determination of the critical buckling temperature guides the assessment of thermal load effects. Analytical formulations, incorporating first-order shear deformation theory (FSDT) to consider shear deformation and …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 1519–1530 Read article
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Analyzing Thermal Expansion in Polymer Composites Through Heat Transfer Simulations
Abstract: Although lightweight and strong, polymer composites require careful handling in environments where temperatures shift. Their usefulness in fields like aviation, vehicle manufacturing, and electronic devices comes from customizable heat behavior alongside favorable mechanical traits. Yet variation in size due to heating or cooling remains a concern hard to dismiss. As conditions change, expansion occurs - sometimes enough to disrupt fit, alignment, or function within complex systems. This response to warmth …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 Read article
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Characterization of Mechanical and Viscoelastic Properties of Ceramic Nanoparticle-Reinforced Polymer Composites
Abstract: This study examines the mechanical and viscoelastic properties of polymer composites reinforced with ceramic nanoparticles, specifically focusing on enhancing the performance of the material through the incorporation of alumina nanoparticles. The composites were produced by embedding alumina nanoparticles into an epoxy matrix, and their properties were assessed using tensile, flexural, and dynamic mechanical analyses (DMA). The tensile tests showed a remarkable 40% increase in tensile strength and a 35% enhancement …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 71–82 Read article
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Thermal Performance Analysis and Optimization of Pin-Fin Heat Sink Using CFD, Taguchi Method, and Machine Learning
Abstract: Efficient thermal management is essential for improving the performance and reliability of modern engineering systems and electronic devices. This study presents the design, simulation, and optimization of a pin-fin heat sink using SolidWorks for three-dimensional modeling and ANSYS for thermal and computational fluid dynamics (CFD) analysis. Four different pin-fin geometries, namely square, pentagon, octagon, and circular fins, are considered to evaluate their thermal performance under varying operating conditions. Aluminum is …
Published in Trends in Mechanical Engineering & Technology · Vol. 16, Issue 2, 2026 Read article
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Evaluation of Heat Stress Exposure to Occupational Workers at Workplace
Abstract: Heat stress is considered as an occupational health hazard encountered in indoor as well as outdoor environments. In industries, many operations are carried out which involve either heat generating sources like boiler, furnace, dryers etc. or hot operations like welding, melting, glass blowing and pouring. Moreover, the extremes of temperature in summer also add to the level of exposure to heat stress. Exposure of occupational workers to heat stress can …
Published in Journal of Industrial Safety Engineering Read article
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Design and Simulation of Forging Die Towards Improving Life of Closed Die
Abstract: Forging is the metal forming process which is used for forming complex shaped component with geometrical accuracy. More than fifty percent of the forgings are processed through this way. Forged components required in many engineering sectors, most of them in the automotive sector. The majority of the safety critical component and load bearing structural components are process through it. By using forging process production of complex component is faster with …
Published in Journal of VLSI Design Tools and Technology Read article
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Comparative Study of Symmetric and Asymmetric Oxide Double Gate Junction less FET
Abstract: we carry out the performance of symmetric oxide (HfO2+HfO2) and asymmetric oxide (SiO2+HfO2) n-type junction less field-effect transistor (JLFET) based on two- dimensional Poisson equation. This study is accomplished by simulating a symmetric and asymmetric double gate JLFET on Sentaurus, Technology Computer Aided Design (TCAD) simulator for Silicon (Si) material at room temperature and varying temperature in between 300-360 k. Based on device simulation we find that the asymmetric oxide …
Published in Journal of Semiconductor Devices and Circuits Read article
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Evaluation of Tectona Grandis Leaf Extract As A Green Corrosion Inhibitor for Aluminium in 1M NaOH
Abstract: A kind of tropical hardwood tree called the Tectona grandis tree that is indigenous to India. The name "teak tree" is another common name for this kind of tree. It is a member of the plant family that is referred to as Lamiaceae. The primary purpose of this research is to investigate whether or not the plant extract has a corrosion-inhibiting quality. In this study, an aqueous extract of Tectona …
Published in Journal of Polymer & Composites · Vol. 2, Issue 2, 2023 · pp. 41–50 Read article
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Increasing Total Solar Irradiance on Far Future Climate: General Atmospheric Circulation
Abstract: The total solar irradiation at the top of the atmosphere is the primary forcing mechanism for the Earth's Climate System. In this work, we used the addition of 10% in the radiation value (from 1360 Wm−2 to 1496 Wm−2) to simulate the Earth's climate system in the habitable zone inner orbit. Two tenyear- long fully coupled simulations using the Community Earth System Model were performed; the CONTROL experiment was configured …
Published in Research & Reviews : Journal of Space Science & Technology Read article
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Thermal Analysis of Piston
Abstract: Analysis of thermal changes of piston, in an automobile an engine is heart of automobile likely in engine that actual mean to piston, who having very important role in the engine, Piston is always subjected to various loads mainly subjected to thermal and mechanical stresses. The role of piston is very clear i.e. transmit or the guide the piston rod which is connected to crankshaft while transmitting piston has to …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation Read article
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Phase Behaviour Study of a Mesogen in a Solvent Role of Molecular Rigidity and Configurational Entropy
Abstract: The phase behaviour of a nematogen 4’-n-pentyloxy-4-biphenylcarbonitrile (POBPCB) has been studied with respect to the translational and orientational motions. The charges of atoms and their dipole moments have been estimated by implementing the complete neglect differential overlap (CNDO/2) method. The long-range interactions have been analyzed using modified Rayleigh- Schrodinger Perturbation theory together with the multicentred-multipole expansion scheme. The “6- exp” potential function has been considered to study the short-range interactions. …
Published in Research & Reviews : Journal of Physics Read article
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Parametric Study of Fused Deposition Modelling Process During Fabrication of Acrylonitrile Butadiene Styrene (ABS) Based Injection Molding Die
Abstract: The purpose of this study is to dictate an optimum process parameter during the fabrication of additively manufactured acrylonitrile butadiene styrene (ABS) based injection mold using fused deposition modelling methodology based additive manufacturing process and to assess the quality of the infection mold by analyzing the surface roughness of the injection mold, and the time taken in the manufacturing of the mold. The ABS PRO+ filament is used in manufacturing …
Published in Journal of Polymer & Composites · Vol. 10, Issue 1, 2022 Read article
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Techno-economic Assessment of a Domestic Refrigerator with Aluminium-based Suction Line and Capillary Tube
Abstract: The present work reports the experimental performance evaluation of aluminum suction line-based domestic refrigerators. Furthermore, it compared domestic refrigerators with conventional copper capillary tubes and suction lines using R600a as a refrigerant. Performance parameters: energy consumption, ice-making time, and pull-down time was reduced significantly compared to conventional copper suction and capillary tube. Refrigerants having Ambient temperature for ice making test and pull down were initially set at 43°C and that …
Published in Journal of Polymer & Composites Read article
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Thermal-hydraulic Behaviour of Corrugated Pipe Configurations
Abstract: Heat exchangers have a wide range of applications and can be found in a variety of different industries, including chemical reactors, nuclear power plants, and solar energy generation. It is required to do thermal optimization on heat exchangers in order to decrease the size, cost, and energy requirements of the heat exchangers while simultaneously improving their capacity to transmit heat. In these types of businesses, heat exchangers frequently make use …
Published in Journal of Polymer & Composites Read article
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The Role of Cholesterol in Biological Membranes
Abstract: Cholesterol plays the role of a regulator that ensures the correct packaging of the lipid part of the membrane, which is necessary for its normal operation, by influencing on the mobility of the fatty acid tails of membrane lipids: if the membrane is too rigid and there is a danger of "freezing" of fatty acid chains, cholesterol causes it to liquefy, since the chains in its presence become more mobile; …
Published in International Journal of Cell Biology and Cellular Functions · Vol. 1, Issue 1, 2023 Read article
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Production of Disinfectant Using Aloe Vera (Aloe barbadensis miller) Plant Extracts
Abstract: This research work demonstrates the production of a disinfectant using aloe vera (Aloe barbadensis Miller) as main source of the raw material. The liquid content of the aloe vera was extracted using mechanical and unit operation mechanisms and the obtained raw material was subjected to heating to evaluate the effect of temperature on the characteristics of the physiochemical properties of pH, total ash, crude fat, fibre and protein, total carbohydrate, …
Published in International Journal of Pollution: Prevention & Control · Vol. 1, Issue 1, 2023 · pp. 17–30 Read article