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46 articles for “free energy change”
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Impact of Shape, Size and Crystal Structure on Vacancy Related Properties of Gold Nanoparticles
Abstract: It is necessary to consider defects to explain the electron movement, thermal transport and mechanical properties of materials. In the present study, a simple quantitative model for cohesive energy of nanoparticles is extended to determine the size, shape and crystal structure effect on vacancy formation energy, vacancy entropy, and vibrational frequency in free surface Au nanoparticles. Vacancy entropy variation with size has been studied for spherical, regular octahedral, regular hexahedral …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 223–229 Read article
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Hybrid Wind-Solar and Battery Power System for Fluctuation Free Output
Abstract: This manuscript presents the hybrid renewable energy system using wind-solar and DC-DC CUK converter and three phase dc to ac converter with LC filter. The wind and solar are environment friendly and abundantly available energy sources in India. The solar and wind are intermittently available renewable energy resources, resulting into the generation of fluctuating output from the hybrid system, which will damage the electrical appliances designed to operate on the …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 9, Issue 3, 2018 · pp. 27–39 Read article
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Analysis of Solar Tracking System
Abstract: AbstractThe utilization of renewable energy resources to produce the electrical power is a rising trend in various countries worldwide. This is especially because these energies help to reduce the greenhouse gases; therefore, don’t become a destructive factor on the ozone layer (O3) and the environment. Besides, the fossil energies are always exposed to price deviation and will eventually end, while the renewable energies don’t show such problems and are freely …
Published in Journal of Advancements in Robotics · Vol. 3, Issue 3, 2016 · pp. 1–8 Read article
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Analysis of the Wave Function of Perturbed Ionospheric Waves for Communication Signals
Abstract: Our daily communications and navigational systems rely on the ionospheric conditions, and this sensitive region of the atmosphere is traversed and governed by radio and global positioning system (GPS) signals which broadcast on bouncing off the ionosphere to reach their destinations. All the communication signals can be interfered with modifications because of the changes in the ionosphere's density and its composition so that large percentage of the free electrons in …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 13, Issue 3, 2024 · pp. 13–20 Read article
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Computational Simulations in Drug Discovery: Modeling Protein Folding and Drug Binding
Abstract: Computational simulations have become essential tools in drug discovery, offering unprecedented insights into molecular behavior at the atomic level. These simulations, particularly in the domains of protein folding and drug binding, allow for the exploration of complex biological systems that are often difficult to study experimentally. Protein folding, a critical aspect of drug discovery, involves the transition of a polypeptide chain from an unfolded to a biologically active structure. Understanding …
Published in Research and Reviews : Journal of Computational Biology · Vol. 14, Issue 1, 2025 · pp. 23–29 Read article
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Sustainable Development of Photo Voltaic Array with Boost Convertor Controller
Abstract: Solar energy is the most vital energy resource now a day since it is clean, pollution free, and inexhaustible. Semiconductor gave the crucial support due to its rapid growth in the power electronics techniques. In this paper, the maximum power point technique is used to increase the output efficiency of PV arrays. The output power of PV arrays changes with weather conditions, which means solar irradiation and atmospheric temperature. A …
Published in Journal of Microelectronics and Solid State Devices · Vol. 3, Issue 3, 2016 · pp. 22–31 Read article
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A Brief Review on Localization in Wireless Sensor Network
Abstract: Wireless sensor devices have a huge range of usage in observation, watch and ward etc. Unlike ad hoc networks, WSNs are limited through sensors’ restricted power, energy and computational ability. Sensor nodes don’t have mondial ID cause of the huge quantity of overhead and giant number of sensors. The responsibility of every sensor node is to recognize the changes in its particular region or area. Localization of a sensor node …
Published in Journal Of Network security · Vol. 5, Issue 1, 2017 · pp. 1–10 Read article
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Effect of Radiation Dose, Dose Rate and Annealing Temperature on Edible Potato Starch by Spectroscopic Methods
Abstract: Potato starch (PS) is a favorite food choice in different forms. During its storage and applications the PS is exposed to different radiations. In the present study the authors attempt to compare radiation effects (gamma and Electron beam of same radiation dose) in PS by Electron spin resonance (ESR) and Fourier transform infrared (FTIR) methods. ESR spectra of gamma irradiated PS appeared to have resolved shapes than the electron beam …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 198–209 Read article
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Analysis of Size and Shape Dependence of Thermophysical Properties of Nanomaterials
Abstract: A simple qualitative model, named Qi model which is further extended to Bond energy model has been expressed in terms of melting temperature to explain the shape and size effect on Debye temperature ( ) and Einstein temperature ( ) of nanomaterials. It is known that properties of materials drastically change with size reduction to nanorange and increase in the number of surface atoms with respect to volume of the …
Published in Journal of Polymer & Composites · Vol. 12, Issue 6, 2024 · pp. 258–264 Read article
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Estimation of Effective Storage Time in Post-thawing and Washing Cryopreserved Red Blood Cells using Mechanical Properties of Membrane by Dielectrophoresis
Abstract: Aim: The aim of the study is to estimate most effective storage time after thawing and washing in cryopreserved red blood cells(RBCs), using the mechanical properties of red blood cells(RBCs) membrane by dielectrophoresis. Materials and Methods: The mechanical properties of the RBCs membrane(elasticity, electric capacity and interactive energy) were calculated by mathematical model made from dielectrophoresis on RBCs. In addition, estimating the most effective storage time after thawing and washing …
Published in Research and Reviews: Journal of Oncology and Hematology · Vol. 10, Issue 1, 2021 · pp. 31–39 Read article
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Renovation, Modernisation and Uprating of Hydropower Station
Abstract: Although hydropower has been used since ancient times to grind floor and to perform other tasks, the world’s first hydro electrical power generation started in England in 1881. Hydropower facilities now generate nearly a quarter of the world's electricity. Hydropower is produced in more than 150 nations throughout the world. Hydropower has many advantages over other conventional sources of power and so it is the main attractive source for developers. …
Published in Journal of Control & Instrumentation · Vol. 13, Issue 1, 2022 · pp. 1–6 Read article
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Enhancing Health, Safety, and Environmental Awareness through Animation: A Multifaceted Approach
Abstract: Animation is a process of visualizing different modes of communication by making an illusion of motion in sequences, which makes an easy medium between the maker and the viewer. Animation design is poised to revolutionize the realms of environment, health, and safety in the future world. This study explores the pivotal role of animation in these domains and its potential impact on shaping a more sustainable and secure future. Concerning …
Published in Research and Reviews: A Journal of Health Professions · Vol. 14, Issue 1, 2024 · pp. 58–68 Read article
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SCIENTISTS REINVENT LOW ENERGY NUCLEAR REACTION (LENR)/COLD FUSION
Abstract: Two of the researchers of The University of Utah, USA in 1989 named Dr. Martin Fleishmann and Stanley Pons declared that they had discovered a sustained nuclear fusion reaction at room temperature during electrolysis experiment that could solve the problem of energy requirement on this planet. The cold fusion reaction, also called low energy nuclear reaction (LENR) takes place at room temperature, unlike conventional fusion reaction where temperature required is …
Published in Trends in Mechanical Engineering & Technology · Vol. 14, Issue 3, 2024 Read article
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Study of Radioactive Productivity in Swiss Albino Mice of Herbal Project by Plant Extract
Abstract: Use of ionising radiation for both peaceful and military purpose has increased the exposure risk to living organisms. Gamma radiation, X-Rays and various isotopes are the most common source of human exposure. Radon products, Nuclear weapons, use of atomic energy in industries, isotopes in the field of medicine institutes of research are the other sources from which man may receive radiation. Ionizing radiations generate reactive oxygen species (ROS) through radiolysis …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 2, Issue 3, 2012 · pp. 20–33 Read article
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Electron beam irradiation studies of polyethylene maleic anhydride on their Chemical and Thermal properties.
Abstract: The electron beam (e-beam) irradiation effects on polyethylene maleic anhydride (MANPE) are investigated by spectroscopic and thermal methods. The MANPE irradiated with electron beam to a radiation dose of 30, 60 and 90 K Gy and the resultant changes in their chemical structure and thermal properties have been investigated by Electron spin resonance (ESR), Fourier transform infrared spectroscopy (FTIR), differential scanning calorimetry (DSC), X-ray diffraction (XRD) and scanning electron microscopy …
Published in Journal of Polymer & Composites · Vol. 6, Issue 2, 2018 · pp. 17–30 Read article
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Hydrodynamic Stability of Parallel Flow and Rotating Flow of Inviscid Fluid Dynamics
Abstract: AbstractStream unsteadiness and fierce change can be all around clarified utilizing another proposedhypothesis - Energy slope hypothesis (Dou, 2005). In this hypothesis, the strength of a streamrelies upon the general size of vitality slope in streamwise heading and that transverse way, ifthere is no work input. In this note, it is indicated dependent on the vitality slope hypothesisthat inviscid non-uniform stream is flimsy if the vitality transverse way isn't consistent. …
Published in Journal of Aerospace Engineering & Technology · Vol. 10, Issue 2, 2020 · pp. 1–14 Read article
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Smart Control Systems for Solar Electric Vehicles: A Microcontroller and Sensor-Based Approach
Abstract: The use of electric vehicles has significantly increased during the last ten years. Some actions being taken to halt climate change and reverse the effects of global warming include the following. An electric car that is powered by solar energy—generated by solar panels mounted on the outside of the vehicle—is known as a solar vehicle. As everyone knows, middle-class families cannot afford the constantly growing costs of gas and new …
Published in Journal of Microelectronics and Solid State Devices · Vol. 11, Issue 3, 2024 · pp. 33–43 Read article
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Vapor Compression Refrigeration System
Abstract: Refrigeration has been achieved in a variety of methods throughout history, but due to their efficiency anddurability, vapor-compression refrigeration systems (VCRS) have become the favored option. A vapor-compression refrigeration system, in essence, is a system that uses liquid refrigerant in a closed systemthat circulates it through four stages of compression and expansion, transforming it from liquid to vapor.As a result of this change, heat is either absorbed or ejected by …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 8, Issue 3, 2021 · pp. 30–33 Read article
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A Mini Review of Synthesis and Applications of Functionally Graded Materials
Abstract: Material composition or microstructure varies gradually along the thickness over a specific volume in functionally graded material (FGM) that results in spatial change in properties like thermal conductivity, strength, stiffness, electrical, magnetic, and light properties, etc. Application of the concept of FGM leads to a single product that has multiple properties in it as demanded by the operational or functional requirements of the product under service conditions. It also allows …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 54–65 Read article
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Corrosion and Corrosion Protection of Unio in Carbonic Acid Medium
Abstract: Unio is a calciferous animal, and its outer surface is made of calcium carbonate. It usually happens in sources of sweet water. They create carbonic acid by absorbing carbon dioxide. It changes the pH of sweet water sources thus water becomes acidic. It develops corrosive environment for Unio. Carbonic acid interacts with Unio to form corrosion cells on the interface of Unio. This acid oxidizes calcium carbonate into calcium ions …
Published in Journal of Water Pollution & Purification Research · Vol. 12, Issue 1, 2025 · pp. 22–31 Read article