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164 articles for “Turbine”
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Review on Main Equations for Measuring Spray Properties in Centrifugal Injectors
Abstract: The method of fuel injection has a significant effect on the stability and proper mixing of fuel and oxidizer, which is done by the injector. In other words, the injector is a device that converts fluid into droplets. The faster and better the particle crushing rate, the faster the fluid particles will evaporate, resulting in higher thermal efficiency and higher thrust force. Therefore, how to inject fuel into the combustion …
Published in Journal of Industrial Safety Engineering · Vol. 8, Issue 3, 2021 · pp. 17–23 Read article
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Study and Output Performance of PMSG Based WECS by Using MPPT Control Technique
Abstract: AbstractAs we know, our interests in Renewable Energy Resources are increasing day by day. So, the increasing integration of distributed generation sources is accompanied by problems with primary energy resources and policy issues such as economic efficiency. Due to these problems, we have to move towards various techniques which are able to eliminate the above problems. These techniques are called Maximum Power Point Tracking or MPPT. In this paper, the …
Published in Journal of Instrumentation Technology & Innovations · Vol. 9, Issue 2, 2019 · pp. 41–50 Read article
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Evaluation of J-Integral and Fatigue Crack Growth Rate of Semi-elliptical Crack in Compressor Blade
Abstract: Gas turbine compressor blades are subjected to centrifugal, gas bending and vibratory loads. This repeated loading and unloading can reduce the life of compressor blades. This research aims at the estimation of fatigue crack growth rate of various three-dimensional cracks in a compressor blade considering the J-integral calculations for a semi-elliptical crack, subjected to centrifugal loading. Static stress analysis was carried out to ascertain the critical region or crack zone …
Published in Journal of Mechatronics and Automation · Vol. 1, Issue 2, 2014 · pp. 39–46 Read article
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Effect of Isothermal Ageing on Microstructure and Mechanical Behavior of 0.5Cr-0.5Mo-0.2V Low Alloy Steel
Abstract: Cr-Mo-V based low alloy steels are widely used in thermal power plants because of their ability to withstand elevated temperature and high pressure under continuous operation. With ferrite-pearlite and/or ferrite-bainite microstructures, these steels find their applications in boiler tubes, pressure vessels and steam turbines. Being cost effective is one of the important factors, which draws attention of many industrialists towards low alloyed steels over highly alloyed steels with austenitic matrix. …
Published in Journal of Materials & Metallurgical Engineering · Vol. 5, Issue 3, 2015 · pp. 7–14 Read article
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Evaluation of the Security Risks Associated with the Construction and Operations of a Nuclear Power Plant in the Federal Republic of Nigeria
Abstract: AbstractElectricity is paramount for Nigeria’s economic growth. Both, commercialindustrial and domesticactivities mainly rely on electricity for daily needs and smooth operations. Electricity from nuclear energy will further boost the required national power capacity, projected to be above 10,000 MW. This study addresses some associated security problems that may bedevil a Nigerian Nuclear Power Plant Project with the necessary response arrangements if any security breach arises. Paramount among the problems observed …
Published in Journal of Nuclear Engineering & Technology · Vol. 10, Issue 1, 2020 · pp. 15–23 Read article
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Sustainable Hydrogen for a Green Future: A review of Production and Storage Technologies
Abstract: India, with one of the biggest economies with a GDP of USD 2.7 trillion, is still considered a developing nation. Many Indian rural areas are not under electricity supplying system. That’s why this paper is a solution based on ecofriendly technique. Generally, wind power and Solar power system built on dryclimate rural area (Karnataka, Central Maharashtra, Interior Tamil Nadu, Western Andhra Pradesh). Other side wind power, solar power and mainly …
Published in Journal of Nuclear Engineering & Technology · Vol. 13, Issue 1, 2023 · pp. 23–29 Read article
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A Review on Optimization of cutting parameters for machining Inconel 718 using Grey Relation Analysis
Abstract: Inconel 718 is a nickel-cobalt based super alloy. It provides several advantages including high corrosion resistance and high temperature resistance. Thus the demand for such materials has rapidly increased. It is mostly used in aerospace, steam turbine, bearing industry and nuclear applications. Nickel-based super alloys such as Inconel 718 are known as one of the most difficult-to-cut materials. It is due to their mechanical and chemical properties and tool life …
Published in Journal of Polymer & Composites · Vol. 6, Issue 2, 2018 · pp. 1–5 Read article
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A Novel Sensorless Vector Control of High-speed Hysteresis Motor Drive
Abstract: Hysteresis motors are super high speed motors that used in special industries such as high-speed centrifuges, micro gas turbines, and etc. They are basically synchronous motors; however they can works in asynchronous mode. In most reported applications it is controlled in open-loop scheme and there isn’t any considerable research on closed-loop control of this type of motor due to its special and limited applications. This papers presents a novel filed …
Published in Journal of Power Electronics and Power Systems · Vol. 2, Issue 3, 2012 · pp. 1–7 Read article
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Mitigation of Flicker and Harmonics in Grid Connected DFIG for Power Quality Improvement
Abstract: This paper focuses on the mitigation of voltage harmonics and flicker of a grid connected doubly fed induction generator for wind energy conversion system. The harmonics have been mitigated by an active series filter and flicker levels have been minimized by optimal control of wind turbine output reactive power. The effectiveness of the proposed mitigation strategies has been analyzed for various grid conditions and different wind speeds. The flicker levels …
Published in Journal of Power Electronics and Power Systems · Vol. 4, Issue 2, 2014 · pp. 12–23 Read article
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Control of a Grid-Connected Variable Speed Permanent Magnet Synchronous Generator Based Wind Power Generation System
Abstract: Variable speed wind turbines are more efficient compared to their fixed speed counterparts since maximum power is extracted over a wide range of wind speeds. In this work a grid-connected wind power generation system is modeled and implemented in Matlab/Simulink using a permanent magnet synchronous generator. A back to back space vector pulse width modulated voltage source converter converts the variable frequency generator currents and voltages into DC, then back …
Published in Journal of Power Electronics and Power Systems · Vol. 6, Issue 2, 2016 · pp. 8–24 Read article
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Comparative Analysis of Artificial Intelligence-based MPPT Algorithms for Wind Energy System
Abstract: By extracting maximum possible power from a wind generator system, the efficiency of the system can be increased. Radial basis function (RBF), feed forward back propagation (FFBP) and adaptive neuro-fuzzy inference system (ANFIS) are recognized as the universal estimators. This paper presents a single network based maximum power point tracking (MPPT) of a wind turbine system using these algorithms. The single network based maximum power extraction method is simple and …
Published in Journal of Power Electronics and Power Systems · Vol. 10, Issue 3, 2020 · pp. 7–18 Read article
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Optimizing the Integration of Photovoltaic and Wind Energy Systems for Enhanced Efficiency
Abstract: This work provides a novel approach for integrating a large-capacity doubly excited induction generator (DFIG)-based wind energy system with solarphotovoltaic (PV). The suggested plan offers a practical PV-grid integration solution by utilising DFIG’s grid and rotor side power converters to pump PV power into the grid. This eliminates the requirement for a separate converter for PV power processing. Compared to a comparable rated inverter utilised in traditional PV-grid systems, the …
Published in Journal of Power Electronics and Power Systems · Vol. 13, Issue 2, 2023 · pp. 34–52 Read article
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Planning Operations in Business Markets — Key Strategies and Applications
Abstract: Business buyers are those buyers who buy products either for resale or use those products to produce other goods and services, which they supply to their own customers in other markets. Market driven manufacturing companies are more focused on customers as they exhibit the ability to observe the market trends earlier than their competitors. These big firms such as industrial products’ manufacturers cum suppliers have several product divisions arranged according …
Published in Journal of Production Research & Management · Vol. 11, Issue 2, 2021 · pp. 43–57 Read article
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Comparative studies of Oxidation and hot corrosion behaviors of uncoated and detonation gun sprayed Cr3C2-25NiCr coating on SA-213 boiler steel at 8000C
Abstract: Fe-based alloys suffer oxidation and hot corrosion when the surfaces were in contact with air (oxidation) as well as the salty atmosphere (Hot corrosion) at elevated temperatures. In these atmospheric conditions, non-protective oxide Fe2O3 was formed on the surface of alloys. Oxidation and hot corrosion have been recognized as a major problem in the applications of the diesel engine, boilers, gas turbines, and chemical power plant etc. Detonation-gun sprayed Cr3C2-25NiCr …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 6, Issue 1, 2019 · pp. 17–22 Read article
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Wind Forecasting Using Various Neural Networks in Machine Learning
Abstract: Wind Power Forecasting, as the name applies is a process in which data of past is used to tell what kind of output can be expected from a wind turbine in the foreseeable future. Machine learning, can be said to be a derivation of artificial intelligence that makes it possible for the system to learn automatically and improve upon itself from faults, without needing to tell the system to do …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 8, Issue 2, 2021 · pp. 32–43 Read article
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Reservoir Operation Using Particle Swarm Optimization
Abstract: Ideal operation of the reservoir is thoughtful in the current circumstances of water deficiency being faced by the country, due to perceivable universal increase in the water demand for numerous requirements. Water resources projects required enormous funds, money and manpower to reach the desired objective and operate the reservoir in best way a reservoir operation is needed. Depending upon reservoir characteristics and need of surrounding area it is required to …
Published in Journal of Water Resource Engineering and Management · Vol. 5, Issue 3, 2018 · pp. 1–7 Read article
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A Review of Experimental and Numerical Investigation on the Heat Transfer in Micro-Channel Heat Exchanger for Various Nano Fluids
Abstract: AbstractA tremendous amount of work has been carried out on micro and nanoscale heat exchanger. Cooling requirement is increasing day by day in field of, high performance Aircraft gas turbine engines, Heat pumps, Air conditioning, Heat recovery ventilators, Integrated circuits (IC), VLSI devices, Computer chips, Printed circuit boards and biomedical applications etc. Many investigators focused on parameters such as Reynolds number, cross cut length, pressure drop, particle concentration of Nano …
Published in Recent Trends in Fluid Mechanics · Vol. 5, Issue 3, 2018 · pp. 1–7 Read article
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Load Sharing control Between Wind Energy & Diesel Generator
Abstract: AbstractThe disturbed expansion in energy request has represented a significant issue for the power frameworks security and dependability, and henceforth has happened to central issue. The weaknesses of ordinary wellspring of energy have cleared way for environmentally friendly power sources. The impact of the breeze turbine in the lattice framework concerning the power quality estimations are-the dynamic power, receptive power, variety of voltage, glint, sounds, and electrical conduct of exchanging …
Published in Recent Trends in Fluid Mechanics · Vol. 8, Issue 2, 2021 · pp. 37–47 Read article
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Voltage and Frequency Control of a Self Excited Induction Generator Using VSI
Abstract: In remote areas of a country where it is impossible or too expensive to access main power lines, one solution to obtain electric power is to use a small stand-alone hydro power plant. In such a situation, the turbine is been driven by a steady flow of water in a river. It is preferable to use a self-excited induction generator, due to its low cost an ruggedness. The voltage and …
Published in Trends in Electrical Engineering · Vol. 4, Issue 2, 2014 · pp. 13–20 Read article
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Implementation of a Solar PV-Wind Hybrid System using MATLAB/SIMULINK
Abstract: This paper presents the simulation and analysis and control of a hybrid system based on solar and wind system employing a dc-dc boost converter and permanent magnet synchronous generator. Maximum power point tracking controllers of solar PV and wind system are operating on perturb and observe method that extract the maximum power from solar and wind sources. It requires the sensing of dc voltage and current output of solar PV …
Published in Trends in Electrical Engineering · Vol. 5, Issue 3, 2015 · pp. 59–70 Read article