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480 articles for “Energy Efficiency”
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Battery Charging System Based on the IoT
Abstract: In this Paper, a smart microgrid system's battery operation and performance were tracked using a battery charging system based on the internet of things (IoT). Due to the shifting global geography of electrical distribution and consumption, energy storage systems (ESS) are among the electrical power systems with the fastest rising market share. Traditional monitoring, detection, and optimization techniques for battery modules have drawbacks, such as a challenge balancing charging speed …
Published in International Journal of Electrical Power System and Technology · Vol. 8, Issue 2, 2022 · pp. 1–8 Read article
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An Energetic Materials for Sustainable Solutions
Abstract: Nanomaterials are typically described as engineered substances possessing at least one dimension between 1 and 100 nm. Materials at the nanoscale display distinctive or enhanced characteristics, such as increased chemical reactivity, superior sensing performance, and improved mechanical properties. Nanotechnology provides a straightforward, rapid, clean, and cost-effective approach for synthesizing a wide range of organic compounds, encouraging many researchers to transition from conventional synthetic techniques. This article aims to highlight the …
Published in International Journal of Energetic Materials · Vol. 12, Issue 1, 2026 · pp. 7–12 Read article
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Tetrahydro-dibenzo[a,d][7]annulene-5,11-dihydrazone and Magnesium oxide Used to Control the Corrosion of Aluminium in Chloride ions Environment
Abstract: Chloride ions interact with aluminium in marine atmosphere to form corrosion cell. Due to this corrosion reaction occurs on their surface, aluminium is oxidized into Al3+. The corrosion reaction accelerates deterioration in metal and it produces galvanic, pitting, stress, crevice, intergranular corrosion. Chloride ions decrease internal and external strength of aluminium metal. It is a very important metal so used in different appliances for e.g. road, water, air transports, housing, …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 6, Issue 2, 2020 · pp. 35–48 Read article
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Application of Solar Nano-photocatalysis in the Pretreatment of Reverse Osmosis Seawater Desalination
Abstract: The reverse osmosis membrane is very sensitive to contaminations present in seawater which makes the pre-treatment step very important to ensure maximum efficiency of the RO process. The photocatalysis can be used to replace the conventional chemical pretreatment process. Semiconductors photocatalysts are used to oxidize contaminated seawater. It can decompose organic matter into smaller compound and low poisonousness inorganic matter thereby increase life span of RO membrane. This research aims …
Published in International Journal of Applied Nanotechnology · Vol. 3, Issue 1, 2017 · pp. 11–17 Read article
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Conversion of Heat Absorbed (Waste Heat) in a Building for Electricity Generation Using a Thermoelectric Generator
Abstract: This study investigates the feasibility of thermoelectric generators (TEGs) for recovering waste heat from building systems and converting it into electrical energy through the Seebeck effect. A journal-scale simulation framework integrating ANSYS thermal modeling with MATLAB/Simulink electrical analysis was developed to evaluate TEG deployment on building envelope surfaces at the Federal Polytechnic Nyak Shendam, Nigeria. Results demonstrate a proportional increase in electrical output with rising temperature gradients, confirming predictable thermoelectric …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 12, Issue 1, 2026 · pp. 8–16 Read article
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Sonochemical Synthesis of Copper Nanoparticles:Process Fundamentals, Scale-Up Challenges, andIndustrial Opportunities
Abstract: The sonochemical synthesis of copper nanoparticles (Cu NPs) has emerged as a powerful and widely investigated strategy in nanomaterials research, owing to the unique physicochemical conditions generated during ultrasonic irradiation. Acoustic cavitation induced by sonication produces transient microenvironments characterized by extremely high local temperatures, pressures, and rapid cooling rates, which collectively enable efficient reduction of copper precursors into nanoscale particles. These conditions cannot be easily achieved through conventional synthetic routes, …
Published in International Journal of Chemical Engineering and Processing · Vol. 12, Issue 2, 2026 · pp. 37–43 Read article
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Suitability of Methyldiethanolamine (MDEA) and Piperazine (PZ) for Improving CO2 Absorption Efficiency Using Rotating Packed Bed (RPB) Technology: A Modeling and Simulation Study
Abstract: Carbon dioxide (CO2) capture and storage (CCS) is an essential technology for reducing atmospheric CO2 emissions and mitigating climate change, especially in fossil-fuel power generation. However, the high cost of CCS technologies has hindered their widespread adoption. In this study, we modeled CO2 removal using a rotating packed bed (RPB) technology using Visual Fortran and Aspen Plus software. We made use of a blended amine solution including different molar concentration …
Published in International Journal of Chemical Engineering and Processing · Vol. 9, Issue 2, 2023 · pp. 9–15 Read article
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Lead (II) Ion Biosorption from Aqueous Solution ontoHexadecyltriammonium Bromide (HDTMA-Br) Modified Dry Water Hyacinth
Abstract: Heavy metal release into the environment by industrial activities has become a persistent problem,with these contaminants continually increasing in concentration. Heavy metals not only circulatethrough ecosystems but also accumulate in organisms over time, which elevates their toxic effectsalong the food chain. This research was conducted to explore the efficiency of biosorption inremoving lead (II) ions from aqueous solutions using water hyacinth powder modified withhexadecyltriammonium bromide (HDTMA-Br), a cationic surfactant. The …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 10, Issue 2, 2025 Read article
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A study on effects of mass flow rate and compressor pressure ratio on gas turbine cycle performance
Abstract: Gas turbines are rotating machines that work based on the energy of gases from combustion. Each gas turbine includes a compressor to compress air, a combustion chamber to mix air with fuel and ignite it, and a turbine to convert the energy of the hot, compressed gases into mechanical energy. Gas turbines have many advantages over steam turbines, such as small volume, quick installation, quick start-up, easy operation and the …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 8, Issue 2, 2022 · pp. 1–8 Read article
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Magnesium Doped Ammonium Di Hydrogen Phosphate
Abstract: New mixed crystals of Ammonium magnesium sulphate heptahydrate (AMgS) are synthesized by slow evaporation solution growth process using water as solvent. Close observation of FTIR and XRD profiles of doped and undoped samples reveal some minor structural variations. Energy dispersive spectra shows the presence of Mg (II) in the doped crystals. The sample's purity is verified through thermal analyses. SEM images exhibit defect centers due to dopants incorporation into ADP …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 9, Issue 1, 2023 · pp. 40–52 Read article
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A Review on Perovskite Solar Cells
Abstract: A solar cell is a device that converts directly sunlight into electricity. crystal structure as CaTiO3 known as the perovskite structure. Perovskite solar cells are recorded with 26% efficiency with low processing cost and high stable characteristics. In this report, few problems are highlighted which is needed to be resolved for much better perovskite solar cell like toxicity, durability, cost-effectiveness. we present the lead-free perovskite light absorbers for solar cell …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 3, Issue 1, 2017 · pp. 36–40 Read article
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Nanotechnology Across Scales: Scientific Fundamentals,Industrial Innovation, and Ethical Concerns
Abstract: Nanotechnology, the manipulation and application of materials at the nanoscale (1–100 nanometers), hastransformed several scientific and industrial fields. This article examines nanotechnology’s “length” – itshistory, progress, and future – and “breadth” – its many applications and interdisciplinary reach.Nanotechnology drives groundbreaking innovation across diverse domains, such as medicine, electronics,energy, and environmental science, rooted in the principles of quantum physics and advanced materialsscience. This essay delves into not only the technological advancements …
Published in International journal of Nanobiotechnology · Vol. 11, Issue 2, 2025 Read article
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A Novel Honey Badger Optimization MPPT Control for a High Gain Non-Isolated DC–DC Converter for PV Applications
Abstract: The Pulse-width modulation (PWM), a technique used by DC-DC power converters, is currently a hot topic in a variety of applications, including those utilising renewable energy sources. Thus, A novel, The development of a very effective non-isolated converter. To extract the maximum PV system power. In varying weather conditions, maximum power is used to control PV system loading. The maximum power of a PV system is controlled using a fractional …
Published in International Journal of Electrical Power System and Technology · Vol. 9, Issue 1, 2023 · pp. 38–50 Read article
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Corrosion Protection of Copper Metal by Nanocoating in Nitrogen dioxide Environment
Abstract: Nitrogen dioxide is an acidic gas. It absorbs moisture to produce nitric acid. It creates corrosive medium for copper metal. It forms corrosion cell on the surface of copper and accelerate corrosion reactions. The corrosion cell formation is written as: Cu|Cu2+||H+|H2 thus corrosion reactions start and copper is oxidized into Cu2+surface and it is oxidized into Cu2+ whereas H+ ion is reduced into H2. Nitric acid environment copper exhibits galvanic, …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 8, Issue 1, 2022 · pp. 1–11 Read article
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Wind-Solar Cogeneration on the Grid Using Voltage-Source Converters
Abstract: The paper presents a cost-effective configuration for a Grid-Connected Wind-Photovoltaic Cogeneration system. In addition, topology provides an independent tracking of the maximum power point for both wind and solar to maximize renewable energy use. The solar is correlated with grid via Voltage Source Inverter (VSI), wind turbine based on a permanent magnet synchronous generator is correlated with the utility grid via Voltage Source Rectifier (VSR). The intermediate circuit capacitor was …
Published in International Journal of Electrical Power System and Technology · Vol. 9, Issue 2, 2023 · pp. 23–28 Read article
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Red Yeast as a Sustainable Platform for Bio-Oil and Natural Pigment Production
Abstract: Oleaginous yeast represents a promising biotechnological platform for the sustainable production ofbio-oil, an alternative to fossil-derived fuels. These microorganisms can accumulate lipids up to 20–70% of their dry cell weight, primarily in the form of triacylglycerols that are structurally similar toplant and animal oils. Among them, certain species exhibit distinctive red or pink pigmentation andare collectively referred to as red yeasts. These yeasts not only synthesize significant amounts ofstorage lipids …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 12, Issue 1, 2026 · pp. 12–16 Read article
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Nanocomposites – Enhancing Mechanical Properties Through Nanoengineering
Abstract: Nanocomposites represent a groundbreaking development in material science, leveraging the unique properties of nanoscale reinforcements to revolutionize the performance of traditional composite materials. By integrating nanomaterials, such as carbon nanotubes, graphene, nanoclays, and metal nanoparticles into a polymer, ceramic, or metal matrix, nanocomposites exhibit significantly enhanced mechanical properties, including improved strength, toughness, and durability. These improvements arise from superior interfacial interactions, efficient load transfer mechanisms, and increased resistance to mechanical …
Published in International Journal of Composite and Constituent Materials · Vol. 11, Issue 1, 2025 · pp. 46–52 Read article
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Mechanisms and Applications of Self-Healing Materials: Towards Sustainable Structural Solutions
Abstract: Self-healing material is an innovative invention within material science, which possesses the ability for self-repair of damages with a view to prolong the life of various structure types. Bioinspired self-healing materials and their applications is reviewed in this study by underlining their examples and significance for infrastructure, aerospace, automotive, marine, and energy sectors. The main mechanisms are intrinsic and extrinsic self-healing processes, along with advanced fabrication techniques such as microencapsulation, …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 11, Issue 1, 2026 · pp. 1–26 Read article
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Performance Characterization of Couette FlowMembrane Module Through Computational FluidDynamics
Abstract: Membrane-based separation has been in rigorous applications in health services since the last fewdecennia. Dynamic Shear Enhanced Membrane Filtration Pilots (DSEMFPs) is a promising membranemodule. The first reported DSEMFPs was a Couette flow type module in 1985. It was used for collectingplasma from donors. This module consists of two concentric cylinders. The outer one is fixed while theinner one is rotating, having a membrane on the outer surface of it. …
Published in International Journal of Composite Materials and Matrices · Vol. 10, Issue 1, 2024 · pp. 1–5 Read article
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Transformer-Less Dynamic Voltage Restorer Employing an Asymmetrical Seven-Level Inverter with Reduced Number of Switches for Improving Power Quality
Abstract: In modern power system, power quality is one of the major concerns. It has become important, especially with the introduction of smart grid, grid-connected renewable energy systems and sophisticated devices, whose performance is very sensitive to the quality of power supply that results in a failure of end-use equipment. One of the major power quality disturbance dealt here is the voltage sag. To solve this problem, custom power devices are …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 4, Issue 1, 2018 · pp. 31–38 Read article