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116 articles for “energy recovery”
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Nanostructure-Induced Thermoelectric Enhancement in Bi2Te3 Nanorod Design, Analysis, and Performance Evaluation
Abstract: Thermoelectric materials capable of efficient energy conversion near room temperature are critical for waste heat recovery applications. In this work, solution-grown Bi2Te3 nanorods were synthesized via a trioctylphosphine-assisted thermal decomposition route, and the influence of surfactant-induced nanostructuring on their thermoelectric properties was systematically investigated. Structural analysis using X-ray diffraction and Rietveld refinement confirmed the formation of rhombohedral Bi2Te3 with the emergence of Bi2Te3–BiTe nanocomposites at higher surfactant concentrations. Electron microscopy …
Published in Research & Reviews : Journal of Physics · Vol. 15, Issue 2, 2026 · pp. 26–37 Read article
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Some Creep-Rupture Data Analytics as Applied to AISI 310S Superalloy Austenitic Stainless Steel Sheets at Elevated Temperatures and High Applied Stresses
Abstract: Creep-rupture of AISI 301S stainless steel is analyzed at 973-1073K and 40-150MPa. Various creep curves and creep rate curves are compared to understand the effect of temperature and applied load. Creep deformation and creep fracture mechanisms are manipulated from concerned mechanism maps. Creep deformation follows high temperature climb. Creep activation energy so obtained is 345KJ/mol. It is larger than activation energy for self-diffusion in pure FCC iron (that is 270-311kJ/mol). …
Published in Journal of Materials & Metallurgical Engineering · Vol. 9, Issue 2, 2019 · pp. 54–58 Read article
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Production, Characterization and Toxicological Evaluation of Eco-Friendly Flavolipid Biosurfactant
Abstract: At present majority of surfactants are chemically synthesized. Nevertheless, in recent years, much attention has been directed towards biosurfactants due to their broad range of functional properties, there are cheaper as they can be produced from alternative sources. They have applications in the fields, such as: oil recovery process, as an additive in food processing industry, pharmaceuticals preparations, energy saving technologies etc. As they are being microbial derivatives, it is …
Published in Research and Reviews: A Journal of Toxicology · Vol. 4, Issue 1, 2014 · pp. 16–21 Read article
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Advance Mineral Practices Techniques
Abstract: In recent years, the field of mineral processing has witnessed significant advancements aimed at improving the efficiency, sustainability, and economic viability of mineral extraction and processing techniques. These advancements encompass a broad spectrum of practices, from ore sorting and comminution to flotation and tailings management. This paper reviews the latest innovations in mineral processing, focusing on key areas such as: Ore Sorting and Pre-Concentration: Implementation of sensor-based sorting technologies that …
Published in International Journal of Minerals · Vol. 1, Issue 1, 2024 · pp. 16–22 Read article
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Exploring the Path to Strategic Investment: An In-Depth SWOT Analysis of Renewable Energy in Afghanistan
Abstract: This study employs SWOT analysis to assess Afghanistan's renewable energy (RE) sector, crucial for achieving its 2030 vision and Paris Agreement commitments. Strengths include RE potential, power sector reform, feed-in tariffs, and donor support. Weaknesses involve security, technical, commercial, and financing hurdles. Opportunities stem from rising energy demand,climate awareness, and decreasing RE costs, while threats include power import reliance, low cost recovery, and policy instability. To attract sustainable foreign direct …
Published in Journal of Nuclear Engineering & Technology · Vol. 13, Issue 3, 2023 · pp. 6–22 Read article
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Comparative Analysis of Low-Power Adiabatic Techniques
Abstract: In today’s modern era, new revolutionary designs are replacing old traditional bulky designs. Due to advancements in technology, low-power designs are in demand. Advantages of adiabatic technique can be used for overcoming disadvantages of typical CMOS such as dissipated energy loss. Adiabatic techniques are extremely reliant on parameter changes. In this paper, the merits of adiabatic techniques are depicted on the basis of parameter variations. By the use of SPICE …
Published in Journal of VLSI Design Tools and Technology · Vol. 4, Issue 2, 2014 · pp. 53–58 Read article
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Adoption of Heat Recovery Technology in Sintering Process to Reduce Carbon Imprint
Abstract: India is the second largest steel producer in the world after China. The 2017 National Steel Policy of India set out the ambitious plan of 250 MT steel production and per capita consumption to around 160 kg by 2030. The dominant iron-making route is blast furnace (BF), which is an energy-intensive process based on fossil fuel consumption. The steel industry contributes around 7% of all greenhouse gas (GHG) emissions. India …
Published in Journal of Materials & Metallurgical Engineering · Vol. 12, Issue 3, 2022 · pp. 38–44 Read article
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Advances and Challenges in the Development of High-performance Silicon Carbide (SiC) Power Devices
Abstract: Due to its distinct features, silicon carbide (SiC), a wide-bandgap semiconductor material, has attracted a lot of attention lately. SiC has superior electrical characteristics compared to silicon, making it an attractive material for high-performance power electronic devices. SiC-based devices can operate at higher temperatures, higher voltages, and higher switching frequencies, which can result in increased power density and efficiency. Recent advances in SiC device technology have led to the development …
Published in Journal of Semiconductor Devices and Circuits · Vol. 9, Issue 3, 2022 · pp. 15–20 Read article
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Design and Implementation of a Bidirectional Long-Range Communication System for Disaster Management Applications
Abstract: In times of natural disasters like earthquakes, floods, landslides and cyclones, the normal communication lines are frequently cut, thus reducing the ability of the affected people and the relief team to communicate vital information. Cellular networks and Internet-based communication systems could be compromised in the event of a loss of power, damage to infrastructure or network congestion. Thus, it is necessary to have a communication system that will be dependable, …
Published in Journal of Communication Engineering & Systems · Vol. 16, Issue 2, 2026 Read article
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Self-tuning Adaptive Control of Rotor Voltage of Doubly Fed Induction Generator in Wind Farms
Abstract: The dynamic performance of a doubly fed induction generator (DFIG) in the wind farms can be enhanced through appropriate converter controls. This article presents a self-tuning control strategy for a DFIG rotor voltage which employs pole-shift technique in the discrete system model. From a large number of simulation studies involving various types of disturbances covering a range of operating conditions, it was observed that the online adaptive model based control …
Published in Journal of Control & Instrumentation · Vol. 8, Issue 1, 2017 · pp. 17–29 Read article
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Optimizing Power Generation from Building Ventilation Systems: A Study on Exhaust Fan Efficiency
Abstract: Due to population growth, the world's energy consumption has increased dramatically in both wealthy and developing nations in recent years, and by 2042, it is predicted to have doubled or more. Since a few years ago, the use of innovative sustainable power sources to meet energy demands has been gradually increasing. We've chipped away at a different idea because of this. As an alternative energy source, renewable energy (RE) resources …
Published in International Journal of Electrical Power and Machine Systems · Vol. 1, Issue 2, 2023 · pp. 22–27 Read article
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Recycling and Reinforcement of Retired EV Battery Materials in Polymer Composites for Sustainable Engineering Applications
Abstract: The rapid proliferation of electric vehicles (EVs) has led to a substantial increase in lithium-ion battery waste, necessitating sustainable strategies for material recovery and reuse. This review explores the valorization of retired Electrical Vehicle batteries within polymer and composite systems, highlighting second-life applications as a promising pathway toward circular material utilization. Batteries retaining 70–80% of their original capacity remain suitable for extended use; however, beyond conventional energy storage, their constituent …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 362–371 Read article
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Optimization Strategies for Finned-Tube Gas Coolers in CO2 Heat Pump Systems: A Review
Abstract: In order to reduce CO2 emissions through increased energy use flexibility, this article examines existing energy solutions. It focuses on demand-side management tools such as electric vehicles and heat pumps, as well as storage possibilities. The aim is to shift to sustainable energy sources by striking a balance between non-renewables (coal, gas) and renewables (solar, wind). This is demonstrated by the notable decrease in the usage of oil-fired boilers and …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 14, Issue 3, 2024 · pp. 11–20 Read article
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The Analysis of the TEG Peltier Heat Collecting Device in the 1.5 HP Split Unit Air Conditioning System
Abstract: Energy recycling is a different approach to creating a green environment in the modern world. Global energy usage is highest for air conditioning. Commonly air conditioning used to maintain indoor temperature. Split unit air conditioning systems are well-known for their small-area applications in Malaysia. Nevertheless, the condensing unit's heat discharge results in environmental waste. As a result, in this experiment, one peltier device employing a thermoelectric generator (TEG) module was …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 12, Issue 3, 2025 · pp. 14–21 Read article
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Catalyst-Driven Innovations in Waste Management: From Degradation to Resource Recovery for Circular Economy
Abstract: Waste management has long been a critical challenge for modern societies, with the dual goals of minimizing environmental impact and maximizing resource recovery. Due to their large ecological footprints, conventional waste disposal techniques like landfilling and incineration have been shown to be unsustainable. In response, the focus has shifted toward innovative solutions that not only degrade waste but also recover valuable resources. Catalysts, with their remarkable ability to accelerate chemical …
Published in Journal of Catalyst & Catalysis · Vol. 11, Issue 2, 2024 · pp. 08–16 Read article
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Production and Characterization of Biosurfactant from Indigenous Bacterium Bacillus amyloliquefaciens USTBb: Feasibility in Microbial Enhanced Oil Recovery
Abstract: In the present study, the production and characterization of biosurfactant by an indigenous Bacillus methylotrophicus USTBb (GenBank accession no.KF496216) was investigated. This bacterial strain was isolated from crude oil contaminated aqueous medium was identified to be a persuasive producer of biosurfactant using crude oil as the sole carbon and energy source. Growth parameters were optimized, with the aim of increasing biosurfactant productivity. Maximum biosurfactant production (5.5 g L-1) by strain …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 4, Issue 1, 2014 · pp. 42–55 Read article
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Compact PV-PCM System with Heat Recovery Unit for Cogeneration System
Abstract: This paper studies the feasibility of developing a compact system based on a photovoltaic panel with a heat exchanger embedded in a phase change material (PCM) attached to the rear side of the panel. The system generates electric energy at the PV panel, and thermal energy using the removed heat from the panel. The paper analyzes the improvement in PV panel efficiency and the Coefficient of Performance (COP) of the …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 14, Issue 1, 2024 · pp. 13–24 Read article
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Validation of Atomic Absorption Spectroscopy (AAS) for Trace Elements Analysis of Environmental Samples
Abstract: The investigation focused on the validation of the methodology used in determining the presence of specific trace elements in environmental soil concern. Atomic Absorption Spectroscopy (AAS) available in Gombe State University, Nigeria was employed in analyzing the elemental concentrations on the certified values in three reference materials obtained from the International Atomic Energy Agency (IAEA) and National Institute of Standards & Technology (NIST). The elements determined were Cd, Co, Cr, …
Published in Research & Reviews : Journal of Physics · Vol. 6, Issue 2, 2017 · pp. 8–13 Read article
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Advancements in Ore Beneficiation Technologies: A Review of Modern Extraction Methods
Abstract: Ore beneficiation plays an essential role in the mining industry, as it facilitates the extraction of valuable minerals from their ores while ensuring maximum efficiency and minimal environmental impact. Beneficiation technologies have evolved significantly over time, leading to improvements in metal recovery rates and reduced waste generation. These advancements have enabled the mining industry to address increasing resource demands, with a particular focus on sustainability and cost-effectiveness. In this review, …
Published in International Journal of Minerals · Vol. 2, Issue 1, 2025 · pp. 36–40 Read article
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Engineering Strategies for Environmental Sustainability, Green Societies and Way Forward Out of Covid-19 Impacts
Abstract: Environmental health, carbon credits and energy resuscitation and engineering interventions require special attention for public health, greener societies and environmental sustainability. This paper investigated the menace of covid-19 and highlighted strategies for handling the pandemic for green societies, environmental health and economic sustainability. The study recognized concern and effort of health practitioners, engineers, environmental health consultants, hospital designers, operators and health-care workers for effective control of this pandemic. Social distancing …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 11, Issue 2, 2021 · pp. 40–51 Read article