Search
139 articles for “Surface energy”
-
Review on Energy Resources by Hydropower Plant
Abstract: Water falling from a high potential to a low potential generates hydropower, a renewable energy source. The potential energy of falling water is used to power a hydro turbine, which generates hydro energy. The rotor of the electrical generator is linked to this turbine. The water cycle is reliant on the sunlight. Hydro energy is a type of energy that can be used to operate machinery or generate electricity by …
Published in International Journal of Energetic Materials · Vol. 7, Issue 2, 2021 · pp. 19–25 Read article
-
Thermodynamic Analysis of Evacuated Tube Solar Collector based Water Heating System: Experimental Approach
Abstract: Energy from the sun is the most profuse and least extracted source of energy ever used in the history of usable resources. Current work aims to harness solar energy for heating water and put it into use by maximizing its effect through evacuated tube solar collector (ETSC). In this work, the effect of low mass flow rates on thermodynamic performance (energy efficiency, exergy efficiency and rate of irreversibility) of an …
Published in International Journal of Electrical Power System and Technology · Vol. 11, Issue 1, 2025 Read article
-
RIS-Assisted 6G Wireless Communication: BER, Security Gain and Multi-Metric Performance Analysis
Abstract: Reconfigurable Intelligent Surfaces (RISs) provide programmable control over wireless signal propagation and are emerging as a promising technology for enhancing the reliability, energy efficiency, coverage, and physical-layer security of sixth generation (6G) wireless networks. This paper presents a unified simulation-based performance evaluation of conventional SISO, 4G SIMO, and 6G multi-antenna communication systems, followed by an RIS-assisted reliability and security analysis under Rayleigh fading conditions. The simulation results demonstrate that antenna …
Published in International Journal of Broadband Cellular Communication · Vol. 11, Issue 2, 2026 Read article
-
Studies on Interaction of SDS with HPMC Using Central Composite Design
Abstract: The conductivity measurements were used to study the interaction between non-ionic biopolymers, hydroxypropyl methyl cellulose (HPMC) and the anionic surfactant- sodium dodecyl sulphate (SDS) in aqueous solutions of different concentrations and at temperatures along with the use of Response Surface Methodology (RSM). Calculations were made of the free energies of aggregation ΔGagg, micellization (Gmic), and transfer (Gt), all of which are connected to the bonding interaction between the surfactant and …
Published in International Journal of Green Chemistry · Vol. 8, Issue 2, 2022 · pp. 20–33 Read article
-
A Review on Layer Formation Studies in Selective Laser Melting of Steel Powders and Thin Wall Parts Using Pulse Shaping
Abstract: This paper advances the conclusions of the selective laser melting (SLM) of tool steel and stainless steel powders. The characteristic feature is the melting of single layers in deep powder beds by a continuous CO2 laser. First, effect of development parameters on the surface roughness for each material is examined. Based on these results combined with visual observation of the solidified tracks, the question is then discussed as how the …
Published in International Journal of Manufacturing and Materials Processing · Vol. 3, Issue 1, 2017 · pp. 9–15 Read article
-
Heat Exchanger Technology and Applications: Groundsource Heat Pump System for Buildings Heating and Cooling
Abstract: Some emphasis has recently been put on the utilisation of the ambient energy from ground source and other renewable energy sources in order to stimulate alternative energy sources for heating and cooling of buildings. Geothermal heat pumps (GSHPs), or direct expansion (DX) ground source heat pumps, are a highly efficient renewable energy technology, which uses the earth, groundwater or surface water as a heat source when operating in heating mode …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 4, Issue 2, 2018 · pp. 58–85 Read article
-
An Evaluation of Cracks Repairing Techniques in Metals
Abstract: Cracks are surface that develop in a material. Dissemination energy derived from mechanical, thermal, chemical, and metallurgical effects, or a grouping of these may affect crack beginning and growth. Numerous types of cracks exist in metals and can be characterized as grinding, solidification, cooling, crater, machining tears, plating, centerline, pickling, heat treatment, fatigue, creep, stress corrosion and hydrogen cracks. Cracks can grow and lead to complete fracture of the component …
Published in International Journal of Composite Materials and Matrices · Vol. 3, Issue 1, 2017 · pp. 9–15 Read article
-
Thermodynamic and Kinetic Characterization of Aluminum Corrosion and Inhibition Adsorption of Vernonia Amygdalina Fruit Extract IN 0.5N H2SO4
Abstract: Anti-corrosive efficacy of ethanolic extract of Vernonia amygdalina fruit extract on corrosion of aluminum in 0.5N H2SO4 acidic solution was explored by mass loss measurement at rise in temperature between 303-343 K for 24 hours immersion period. The I.E. (η%) has been noticed prominently high (62.92%) at concentration 0.45% at 303 K. An inhibitor adsorption on the surface aluminum have been found to be best fitted Langmuir adsorption isotherm. It …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 9, Issue 1, 2023 · pp. 20–27 Read article
-
Hydrodynamic Study Through Computational FluidDynamics of Radial Flow Membrane Module
Abstract: Historically Crossflow Membrane modules came first in the membrane-based separation (MBS)process. Its high shear generation overcomes two non-idealities concentration polarization andsubsequent fouling. Primarily, high shear generation and large surface area create a positive domainfor large applications. Thereafter, feed flow rate-dependent shear generation creates a hindrance.This obstruction is overcome with Dynamic Shear Enhanced Membrane Filtration Pilot (DSEMFPs).Low surface area is a vital drawback of DSEMFPs. This radial flow membrane module with …
Published in International Journal of Polymer Science and Engineering · Vol. 10, Issue 1, 2024 · pp. 8–15 Read article
-
Porous Carbon Materials for Electrochemical Energy Storage
Abstract: The climate change and energy demand promote the rapid development of electrochemical energy-storage devices. Due to an excellent chemical stability, high electronic conductivity and large specific surface area, porous carbon materials have always been considering as a promising candidate for electrochemical energy storage. This focus review summaries recent advances in the synthesis of various porous carbon materials electrochemical energy storage devices like lithium-ion batteries, supercapacitors, lithium-ion hybrid capacitors have been …
Published in International Journal of Energetic Materials · Vol. 4, Issue 2, 2018 · pp. 13–16 Read article
-
Review on Thermoelectrical Generator and Software Analysis of Exhaust System
Abstract: In this century global warming is a very concerning issue. Vehicles are day-by-day increasing on roads, which emits harmful hot gases to environment. Due to exhaust gases and unwanted pollution TEG is a concept to utilize the heat energy of an engine for other works purposes. A major part of energy is being engaged in such issues. Here a study of conservation is being followed. TEG thermo-electric generator is a …
Published in International Journal of Mechanics and Design · Vol. 6, Issue 2, 2020 · pp. 38–45 Read article
-
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
-
Porous Silicon and its Nanoparticles: A Theoretical Study
Abstract: It is very simple and cost consuming technique of fabrication of porous silicon film over silicon substrate and synthesizing the porous silicon and silicon nanoparticles. The etch reactions in RIVPSE process forms the porous structures without need of complex and expensive equipments. The luminescent porous film can be fabricated using this sample technique with any cost effecting methods such as extra energy excitation like plasma or ultraviolet photon and additional …
Published in International Journal of Applied Nanotechnology · Vol. 5, Issue 1, 2019 · pp. 14–18 Read article
-
Functional Rubber Particles and Their Applications- A Review
Abstract: Functional rubber powders (FRPs) are emerging as a potential class of materials derived primarily from end-of-life tires (ELTs) and other rubber scraps through mechanical, cryogenic, or de-vulcanization methods. These powders act as high-performance additives or reinforcing fillers in various engineering applications due to their low cost, improved surface properties, customizable particle sizes, and ability to undergo further chemical reactions. This review provides an overview of the production technologies, focusing on …
Published in International Journal of Chemical Separation Technology · Vol. 11, Issue 2, 2025 · pp. 8–16 Read article
-
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
-
Deep Learning Techniques for Optimizing Resource Allocation and Sustainability in the Next Generation of 6G Wireless Networks
Abstract: The upcoming sixth generation (6G) of wireless communication networks aims to meet challenging requirements such as ultra-reliable low-latency services, massive connectivity for billions of smart devices, and intelligent automation across highly diverse environments. Along with these goals, the issues of energy efficiency and environmental sustainability are becoming equally important, as the rising number of users and traffic volumes will directly increase power demand and carbon emissions. To lower total energy …
Published in International Journal of Broadband Cellular Communication · Vol. 11, Issue 2, 2026 Read article
-
Aerogel to Study Nano-composite
Abstract: This article has linked to economic aerogel utility of build as by apply of thermal insulation from high and low temptation than usual subscription. Aerogel for building construction always esteemed to be damp proof reticulated architected formation. Space mission is inclusive afterwards as an energy absorber. Typified composite form mostly subjected to class as notified form after solidification on drying gelatinous composes from carbon, clay and silica. Multifunctional material characteristics …
Published in International Journal of Polymer Science and Engineering · Vol. 7, Issue 1, 2021 · pp. 1–10 Read article
-
Synthesis and Characterization of Polymer-Based Organic–Inorganic Hybrid Materials viaSol–Gel Processing: A Review of Gelatin–Silica, Gelatin–Silica–Titania and HPMA-Based Systems
Abstract: Organic–inorganic hybrid materials have emerged as a versatile class of advanced materials that integrate the flexibility and functionality of organic polymers with the thermal, mechanical, and chemical stability of inorganic networks. Among the available fabrication routes, the sol–gel process has gained considerable attention because of its simplicity, low processing temperature, compositional flexibility, and ability to tailor material properties at the molecular level. The present review discusses the synthesis and characterization …
Published in International Journal of Polymer Science and Engineering · Vol. 12, Issue 2, 2026 Read article
-
Design and Analysis of Metal-Organic Frameworks for Gas Adsorption and Storage
Abstract: Metal-Organic Frameworks (MOFs) represent a class of highly porous materials formed by the coordination of metal ions with organic linkers, exhibiting exceptional potential for gas storage applications due to their high surface area, tunable pore sizes, and structural versatility. The synthesis and characterization of MOFs intended for the effective storage of gases like carbon dioxide, methane, and hydrogen are the main topics of this work. Solvothermal Hectic strategies, including solvothermal, …
Published in International Journal of Metallurgy and Alloys · Vol. 10, Issue 1, 2024 · pp. 25–30 Read article
-
Ti3C2Tx Based Batteries and Super Capacitors
Abstract: A rise in energy necessities of the modern era entails the most actual, cost-effective, and long-lasting supplies for electrical energy sources. Because of the exceptional chemical and physical properties of 2D materials and their broad range of applications in energy storage devices, photo-catalysis, electronics, bio-sensors, gas sensors, water purification, and other fields, 2D MXene-basednanomaterials have attracted a lot of attention. However, MXenes and their derivatives have plentiful intrinsic restrictions in …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 9, Issue 2, 2023 · pp. 29–52 Read article