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539 articles for “composition”
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Surveillance System Using UAV
Abstract: In today’s world, there is a growing need of security and protection for people. Even though the technologies are most advanced in current era, the much effected problem faced by every people in a country like India is, their own protection. The criminal activities on humans and animals are increased day-by-day. Also, disasters like natural and man-made causes lot of problems. The fate of these acts is uncontrollable. So, we …
Published in International Journal of Image Processing and Pattern Recognition · Vol. 5, Issue 2, 2019 · pp. 27–33 Read article
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Support Vector Machine-based Flower Image Classification for Commercial Applications
Abstract: Flowers are crucial raw materials in many industries, including pharmaceuticals and cosmetics. Classifying flowers manually is time-consuming, inconsistent, and requires professional judgment from a botanist. Computer-aided flower classification is a promising approach to this problem. Image classification often employs support vector machines (SVMs) as widely favored algorithms. This study evaluated the performance of SVMs for flower image classification. The results showed that SVMs can achieve good accuracy on this task, …
Published in International Journal of Software Computing and Testing · Vol. 9, Issue 2, 2023 · pp. 44–53 Read article
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RESEARCH AND IMPLEMENTATION OF QAM SIGNAL USING TEXAS INSTRUMENTS (TMS320C6713)
Abstract: During the last two decades the growth of digital communication and modulation techniques are widely considered in real time application in order to transfer reliable information with high data rate. Since digital modulation is resistible to noise people show interest in adopting it. Though there is various modulation techniques QAM is one of the most commonly used modulation. The QAM has higher efficiency power which results its application in mobile …
Published in International Journal of Digital Communication and Analog Signals · Vol. 2, Issue 2, 2016 · pp. 26–32 Read article
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Optimal Structure Topology for 11-Level Multilevel Inverter
Abstract: Unlike inverter, multilevel inverter (MLI) is an inverter which works on high power or voltage. It provides a staircase waveform with lower total harmonic distortion. Working on high-power, high-voltage application, they have become more popular. There are some drawbacks also in MLI that it requires a large number of power devices and composite controllability. This paper presents a noble MLI topology using two types of switches, bidirectional and unidirectional. Bidirectional …
Published in International Journal of Digital Communication and Analog Signals · Vol. 4, Issue 1, 2018 · pp. 24–32 Read article
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Modelling of Distance Relays and Impact of TCSC on the Protection of Long Distance Transmission Lines
Abstract: Power system protection is one of the most important and exciting topics, which has been attracting the attention of both academic institutions and utilities ever since the power systems came into being. For the proper operation of the power system, an effective, efficient and reliable protection scheme is desirable. The power system components, which include synchronous machines, bus bars, transformers, transmission lines, distribution systems consisting of complex as well as …
Published in International Journal of Electrical Power System and Technology · Vol. 4, Issue 1, 2018 · pp. 1–15 Read article
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Silicone Coating on Porcelain Insulator
Abstract: Dubai Electricity and Water Authority (DEWA) utilized porcelain insulators in the transmission overhead line system. These insulators reputed to be the best insulators with regard to the design and durability. In spite of satisfactory performance, porcelain insulators have disadvantages such as regular washing and cleaning. Because of the coastal location and industrial pollution of the overhead lines, frequent washing of porcelain insulators is required to ensure interruption free and reliable …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 6, Issue 2, 2020 · pp. 31–37 Read article
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Transient Analysis of self excited Induction generator with ELC
Abstract: — Fast depletion of fossil fuels has drawn attention towards the use of nonconventional energy sources like wind, biomass, tidal/wave, and small hydro potential. In remote locations, harnessing of electrical energy from such local resources can be cheaper and easier compared to grid connection, which involves long transmission lines and associated losses. A micro-hydro system using natural hydro potential with minimal civil works is a strong candidate in this race. …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 2, Issue 2, 2016 · pp. 13–18 Read article
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Classification of Electrical Conduits and Fittings in a Construction Project
Abstract: Building wiring is the electrical wiring and related devices such as meters, switches and light fittings used in buildings or other structures. Electrical wiring uses insulated conductors. Wires and cables are rated by the circuit voltage, temperature and environmental conditions (moisture, sunlight, oil, chemicals) in which they can be used, and their maximum current. Wiring safety codes vary by country and the International Electro-technical Commission (IEC) is attempting to standardize …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 3, Issue 2, 2017 · pp. 1–6 Read article
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Solar Energy-based Induction Cooking System
Abstract: Enrollment warming is seen as an ideal cooking development, whose prominent advantages consolidate contactless energy move, controllable warming rate, and prosperity. In family applications, it is normal that this approach should supplant ordinary gas ovens focusing on a more feasible future. The extension in energy usage connected with this example can't be overlooked, while conveyed age (DG) stands apart as a conspicuous answer for relieving the effect on the power …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 8, Issue 1, 2022 Read article
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Polymeric and Modified Nanofibers and Its Application
Abstract: Polymeric nano-fiber based materials and their application is one of the research areas in materials science and nanotechnology. Nano-fibrous materials are receiving extensive research interest for applications in diverse fields as biosensors, optical and chemical sensors, stimuli-responsive or "smart" materials, bioreactors, drug delivery carriers, antibacterial materials, tissue engineering scaffolds, clean energy, electronic and semiconductive materials, reinforced nano-composites, affinity membranes, etc. This is because of their important and interesting characteristics such …
Published in International Journal of Applied Nanotechnology · Vol. 2, Issue 2, 2016 · pp. 11–17 Read article
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Synthesis and Characterization of Magnetite-Pectin-Alginate Hybrid and Bionanocomposite
Abstract: It is a one pot synthesis of hybrid bionanocomposite comprising of inorganic magnetite with stabilizer biopolymer pectin and alginate in co-precipitation method using sodium hydroxide and ammonium hydroxide as precipitating agents. A lot of comparison and investigation has been done in particle size of nanocomposite by changing the stoichiometric ratio of both magnetite and biopolymer concentration and drying condition of composite. The nanocomposite has been characterized using infrared spectroscopy (FTIR), …
Published in International Journal of Applied Nanotechnology · Vol. 3, Issue 1, 2017 · pp. 18–22 Read article
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Zinc oxide/Chitosan biocompatible nanocomposites: Preparation, Characterization and its use in Congo red dye photodegradation
Abstract: Zinc oxide/chitosan biocompatible nanocomposites have been successfully synthesized by co-precipitation method. The samples were characterized by X-ray diffraction (XRD), Scanning electron microscope (SEM), Energy dispersive X ray Flurescence spectroscopy (EDAX) and Fourier transformation infrared spectroscopy (FTIR). The photocatalytic efficiency and photostability of the sample was investigated systematically for Congo red degradation under solar light irradiation. UV-vis Spectroscopy was employed to investigate the optical properties and photocatalysis behavior of the Zinc …
Published in International Journal of Applied Nanotechnology · Vol. 3, Issue 2, 2017 · pp. 27–39 Read article
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Recent Advancement of Nanotechnology in Plant Disease Management
Abstract: Nanoparticles are small size particles having potential to work in large surface area. Size of nanoparticles vary from 1-100 nm. The composition of nano-formulation should break down quickly in the soil and sluggishly in plants with remnant levels under the regulatory standards in foodstuffs. The nanoparticle synthesis methods can be categorized into bottom-up or top-down method Physical- Ball milling, nanolithography, pulsed laser, electrochemical; Chemical- Vaccum deposition and vaporization, chemical vapor …
Published in International Journal of Applied Nanotechnology · Vol. 7, Issue 2, 2021 · pp. 34–42 Read article
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From Fireworks to Rocket Fuel: What to Understand from Solid Propellants
Abstract: Solid propellants are high-energy materials that are used to propel and thrust missile systems and rockets. Despite the fact that they have a long history dating back to the employment of black powder over two millennia, performance gains expectations and the requirement for" insensitive weapons" that are resilient to unintentional ignition have motivated much study and development in the last half-century subjecting to the formation of SRMs engines (main combustion …
Published in International Journal of Applied Nanotechnology · Vol. 9, Issue 1, 2023 · pp. 1–12 Read article
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Significance of RDX – A Highly Explosive Energetic Material
Abstract: Plastic demolition explosives containing RDX and PETN as major energetic components. Torpex: 42% RDX, 40% TNT, and 18% powdered aluminium. The mixture was designed during World War II and used mainly in underwater ordnance. It is made from other chemicals known as hexamine, ammonium nitrate, nitric acid, and acetic acid. A small amount of HMX is also formed in making cyclotrimethylene-trinitramine (RDX), another explosive similar in structure to HMX. Composition …
Published in International Journal of Energetic Materials · Vol. 3, Issue 2, 2017 · pp. 23–26 Read article
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Low-graded coals to upgrade
Abstract: Coal can be defined as a chemically and physically heterogenous, “combustible”, sedimentary rock consisting of both organic and inorganic materials. Organically, coal consists primarily of carbon, hydrogen, and oxygen, with lesser amounts of sulphur and nitrogen. Inorganically, coal consists of a range of ash-forming compounds distributed throughout coal. Major types of analysis are proximate analysis, ultimate analysis and calorific value analysis. Heat value or calorific value determines energy content of …
Published in International Journal of Energetic Materials · Vol. 5, Issue 2, 2019 · pp. 42–60 Read article
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Value Addition of Quartz Gemstones through Gamma Irradiation
Abstract: Color enhancement of gemstones through gamma irradiation is an established technology throughout the world. By value addition, the traders earned manifold prices to these colorless stones as compared to the fresh ones. For the color enhancement of these semi-precious stones, optimized doses of irradiations are required. To get the optical properties of the stones and to investigate the crystal lattice and chemical composition, X-Ray diffraction (XRD) and energy dispersive X-ray …
Published in International Journal of Energetic Materials · Vol. 5, Issue 2, 2019 · pp. 61–67 Read article
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Performance Evaluation of the Power Cartridge in the Closed Vessel for Water-Jet Application
Abstract: The power cartridges are generally called as gas generator devices utilized in disruptor system to generate a high velocity water jet. This high velocity water-jet helps in the damage of suspected improvised explosive devices (IEDs). The closed vessel (CV) methodology for performance evaluation in respect of the power cartridge is explained in this research paper. To determine the performance, the CV is fabricated. The gas pressure generated by the power …
Published in International Journal of Energetic Materials · Vol. 7, Issue 1, 2021 · pp. 1–12 Read article
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Study of Isotropic Property
Abstract: This article is constitutive from as forged as well compounded form. Isotropy is uniformity in various orientations. Isotropy is composed of Greek isos meant by equal and tropos meant by way. Precise definable consequence is subjective to depend on material property i.e., same when tested in different directions. A common example of isotropy is inclusive as of glass, plastics, and metals. Alter subject area is studied as inequality, given by …
Published in International Journal of Energetic Materials · Vol. 7, Issue 2, 2021 · pp. 1–7 Read article
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Analysis of Mechanical and Corrosion Properties of AISI50110 (EN31) Steel With and Without Heat Treatment
Abstract: The mechanical properties of steel decide its applicability for a particular condition. Heat treatment processes are commonly used to enhance the required properties of steel. The material was machined to ASTM standards and then different tests like microstructure analysis, hardness test, impact test, etc. were carried out after the heat treatment processes. All the tests were carried out in the mechanical workshops and laboratories under the supervision of their respective …
Published in International Journal of Metallurgy and Alloys · Vol. 1, Issue 1, 2015 · pp. 24–41 Read article