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International Journal of Energetica
ISSN 2543-3717 · University of El Oued · 128 articles in the index
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Journal Article
Floating Photovoltaic Systems: Expanding Renewable Alternatives to Combat Greenhouse Gas Emissions
Extreme weather events like droughts, floods, heatwaves, and cyclones are increasingly linked to climate change, leading to fatalities, infrastructure damage, and the displacement of thousands. CO2 emissions primarily drive this climate change from burning fossil fuels. South Africa (SA), the…
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Journal Article
Energy-Efficient Islanding Detection Using CEEMDAN and Neural Network Integration in Photovoltaic Distribution System
This paper proposes an enhanced islanding detection method based on complete ensemble empirical mode decomposition with adaptive noise (CEEMDAN) and a pattern recognition neural network (PANN). Negative sequence voltage data from both islanding and non-islanding scenarios were acquired through…
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Journal Article
Design and simulation of HTL-free CuBi2O4 based thin film solar cells for performance efficiency above 36%
The quest for efficient and sustainable energy solutions has propelled the exploration of novel materials and strategies for enhancing the performance of thin-film solar cells (TFSCs). This work presents a comprehensive investigation into the potential of CuBi2O4 based TFSCs as a viable candidate…
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Journal Article
Characterization of Silica in sandstone rocks for Advanced Energy Applications
Silica (SiO2), represents a main component used in various applications such as the manufacture of photovoltaic cells and fiberglass. Despite this importance, the use of silica in Algeria remains limited due to the quality of the material or unknown for some deposit. In this work, we carried out an…
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Journal Article
Statistical Modelling of Outage Events, Available Capacity, and Foreign Exchange Rate with Grid-Connected Power Generation in Nigeria.
Electricity is one of the major factors that influence the level of growth of an economy, as well as human development. With applications in diverse spheres of life, it is at the core of human productivity and economic growth. Nations therefore, continually strive to ensure adequate and secured…
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Journal Article
Innovations in Blade Design for Enhancing Wind Turbine Efficiency: A Review of Aerodynamic, Structural, and Material Advancements
This paper reviews the most significant aerodynamic, structural, and material advances in wind turbine blades. If the market is to be more sustainable, wind turbine efficiency becomes an important consideration. The article highlights the aerodynamic innovations that refine blades to optimize…
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Journal Article
Energetic Ionospheric Upwelling: A Case Study of Velocity Distribution and Ion Flux Observed by the EISCAT Svalbard Radar
When outflow of heavy ions such as O+ occurs, the atmospheres of planets are gradually loss. The ions being depleted in the ionosphere, under favourable conditions, upwell into the underlying magnetosphere and forms a substantial part of plasma in the magnetosphere. The motion of the heavy ions…
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Journal Article
Application of Grey Wolf Optimization Algorithm for Maximum Power Point Tracking of Solar Panels
One of the applications of evolutionary algorithms is increasing the efficiency of photovoltaic (PV) systems. The main problem with using standard algorithms like the Incremental Conductance (IC) controller for maximum power point tracking (MPPT) under partial shading conditions (PSC) is that they…
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Journal Article
Design and Economic Evaluation of a Photovoltaic Water Pumping System for Tomato Irrigation in El Oued, Algeria
This paper explores the design, economic assessment, and operation of a photovoltaic water pumping system for irrigating tomatoes in Terifaoui, El Oued, Algeria. Terifaoui's desert climate and lack of grid access make it a suitable candidate for a solar-powered irrigation system. The system design…
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Journal Article
Dust Accumulation Effects on the Performance of Photovoltaic Panels: An Experimental Study in the Algerian Region of El-Oued
This paper examines the dust accumulation impact on the performance of photovoltaic panels in the Algerian region of El-Oued, where two similar photovoltaic panels were analyzed: a clean reference photovoltaic panel (PVr) and a dirty targeted photovoltaic panel (PVt) with 14.5 g/m² of dust. The…
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Journal Article
Evaluating the Impact of Absorber Geometry on Solar Still Efficiency: A Comparative Study of Square and Round Absorbers
Solar stills have been used for many years in areas with limited access to fresh water, such as desert regions or remote locations. They are simple to construct using readily available materials and require no energy input other than sunlight. Additionally, solar stills are low-maintenance and can…
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Journal Article
Design, Implementation, and Analysis of a Local Pelton Turbine
This study investigates the performance characteristics of a locally designed Pelton turbine, focusing on the relationship between rotational speed, torque, and mechanical power output. Understanding these dynamics is crucial for optimizing turbine efficiency in various applications. Our…
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Journal Article
Effect of preparation rotation speed on structural properties of CH3NH3PB1-xSnxCl3 using spin coating methods
Perovskite-based hybrid organic-inorganic solar cells that use the methylammonium lead tri-iodide (CH3NH3PbI3) have demonstrated ever-increasing energy conversion efficiency and low processing costs, comparable to that of high-efficiency silicon-based solar cells. However, it is suffuring from…
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Journal Article
Prediction of the Insulating Paper State of Power Transformers Using Artificial Neural Network
Power transformers are considered the heart of power systems. The malfunction or undesirable outage of the power transformer will cause a tremendous revenue loss for the utilities. Therefore, a regular or preventive test must be accomplished on the transformer to check its state. Some standards…
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Journal Article
Electrical Characteristics Analysis of High-Efficiency SnS Solar Cells
The simulation of SnS homojunction solar cells involved systematically adjusting key parameters, such as doping concentration and layer thickness, to optimize their photovoltaic performance. The study identified that optimal efficiency is achieved with a carrier concentration of 5.5 × 1015 cm⁻³ in…
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Journal Article
Technical Performance of Grid-Connected Rooftop Solar PVs
This paper presents a comprehensive analysis of the technical performance of grid-connected rooftop solar photovoltaic (PV) systems deployed in five locations along the solar belt of Ghana, namely Sakumono, Wa, Bolgatanga, Kumasi, and Kintampo. These locations were selected based on their diverse…
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Journal Article
Effect of Rubber Thickness on the Performance of Conventional Solar Stills under El Oued city climate (Algeria)
Our study focuses on examining the performance of conventional solar stills in an arid region, specifically investigating the impact of rubber material and its thickness on the distillation process. Four solar stills were tested, including a reference solar still (SSR) and three modified solar…
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Journal Article
Developed nonlinear model based on bootstrap aggregated neural networks for predicting global hourly scale horizontal irradiance
This research study examines the use of two models of artificial intelligence based on a single neural network (SNN) and bootstrap aggregated neural networks (BANN) for the prediction value of hourly global horizontal irradiance (GHI) received over one year in Tamanrasset City (Southern Algeria)…
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Journal Article
Numerical and experimental characterization of internal heat and mass transfer during convective drying of papaya (Carica papaya L.) in a drying air stream
This work consisted of simulating convective heat and mass transfers during the drying of papaya in a parallel air stream. The aim of this work was to simultaneously couple the two-dimensional heat and mass transfer equations in the product in order to predict the drying kinetics of the papaya…
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Journal Article
Heat Exchanger Design for the Production of Synthesized Gold Nanoparticles
This study aims to develop and analyze the design of heat exchangers in the production of gold nanoparticles (AuNPs) by the biosynthesis method using Sargassum horneri (SH) extract. The simple design of this heat exchanger (HE) uses the shell and tube type, the one-pass tube, and the fluids are…