Hydraulique
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Item Transfert des eaux de dessalement à partir de la station de pompage d'Aouebelil vers l'ouvrages de stockage 1000 m3(2025) FRIFRA, MOHAMED; BENICHOU, ZINE DINE; NEHARI, AbderrahmaneThis thesis aims to study and analyze the project of transferring desalinated water from the Aouebelil pumping station to a storage reservoir with a capacity of 1000 m3, in order to improve the supply of drinking water to the Aouebelil municipality. The work addresses different types of water conveyance (gravity, pressurized, or mixed), technical calculations (economic diameter, head loss, manometric height), as well as the components of pumping stations. A detailed study of the area (geography, population, climate, infrastructure, water resources) was conducted, with an estimation of future needs up to 2052. This project represents a significant contribution to improving hydraulic services in the region, relying on credible scientific sources.Item DIMENSIONNEMENT DE LA STATION DE DEMINERALISATION A IN AMENAS WILAYA D’ILLIZI(2025) BENDOUMA, KHADIJA; NEHARI, AbderrahmaneWater demineralization has become essential in southernAlgeriawhere the onlyavailable water resource, groundwater, isoftenhighlysalinized. This technique makesit possible to transformthis water unfit for consumptioninto a valuableresource for local populations. Our workaims to measure the performance of the reverse osmosisdemineralization plant of In Amenas in the wilaya of Illizi by evaluating the quality of the water produced. The water qualityassessmentwascarried out at the inlet, in the middle and at the outlet of the treatmentprocess. The monitoring of certain physicochemicalparameters (water conductivity, pH, [cl2] and turbidity) showedthat the water producedmeets the standards of potability (very good quality). This studyItem Multi-Criteria Analysis of Seawater Desalination Plants in Algeria: Development of a Spatial Database and Performance Evaluation Software(2025) ZAIMI, NADIR; NEHARI, ABDE ARRAHMANE; MOSTEFAOUI, LEILAThis study aims to develop a comprehensive database containing all the technical and spatial information related to seawater desalination plants in Algeria, using Geographic Information Systems (GIS). The work focuses on collecting and organizing available data regarding the location of these plants, their production capacity, and the type of technology used, within an accurate spatial database framework. The Global Mapper software was used to input and analyze the data and to create thematic maps that illustrate the geographic distribution of the plants along the Algerian coastal strip. Additionally, the Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) will be employed to rank the desalination plants based on their performance, using a set of technical, environmental, and social criteria. This contributes to informed decision-making and the determination of intervention priorities. This study offers a practical tool to support relevant stakeholders in planning and monitoring desalination projects, highlighting the critical role of these plants in enhancing national water security amid climate change and increasing pressure on traditional water resources.Item Étude comparative d'un systéme épuration par la boue activée et MBBR pour la STEP de Hammam Bouhdjer(2025) BELAIDI, AMINA; BOUZIDANI, ZAHIA; Nehari, AbderrahmaneWastewater poses a major threat to the environment and human beings, both directly and indirectly, which is why it is important to treat and recycle it given the water shortage. In this regard, we conducted a comparison between two biological treatment processes: "activated sludge and MBBR", in order to compare them and select the most compact one. As part of this research, we calculated wastewater flow rates by 2052 and performed a complete design of all structures for each process, with the aim of sizing a future wastewater treatment plant for the towns of HAMMAME BOUHDJER and AURESS el MAIDA by 2052.Item ETUDE DE CREATION D’UN PERMIMETRE D’IRRIGATION A PARTIR DU BARRAGE DE SEKLAFA WILAYA –LAGHOUAT-(2025) BENMIRA, Mohamed Touhami; BENCHKOR, Hassiba; ABABOU, .HWater is a strategic issue for Algeria. The main objective of this dissertation is to design an irrigation project for the laghouat region, perimeterof 1675 ha, using water from the Seklafa dam. The study is based on a detailed analysis of climatic, soil, and agronomic conditions to determine the most suitable crops and assess water requirements. It emphasizes the use of modern irrigation techniques, such as sprinklers and drip irrigation, to optimize water distribution, enhance yields, and ensure the medium- and long-term profitability of the project.Item Performance de la station d’épuration Ain el kihel : Analyse et Simulation(2025) CHELLALI, Mohamed; Bentahar, KheiraWastewater is one of the main sources of pollution resulting from domestic, industrial, and commercial activities. With increasing urbanization and population density, the volume of wastewater continues to grow, leading to serious environmental and health challenges. Therefore, the implementation of effective treatment systems has become an urgent necessity to protect public health and preserve ecosystem balance. This study focuses on evaluating the performance of the Aïn El Kihal wastewater treatment plant, which uses the activated sludge process for treating domestic wastewater. Two main approaches were adopted in this work : A physico-chemical analysis of the influent and effluent, aimed at assessing the plant’s effectiveness in pollutant removal. A numerical simulation using the GPS-X software, an advanced tool used to model treatment processes and identify performance improvement strategies. As part of the plant’s performance monitoring, a comparison was carried out between the experimental results obtained from laboratory analyses and those generated by the simulation software. This comparison revealed a good correlation between the data, demonstrating both the reliability of the plant's performance and the accuracy of the digital modeling. High removal efficiencies were recorded for key biological and physical parameters such as BOD5,COD, NH4+, and TSS.Item Dimensionnement d'une station d'épuration a bio disque à AIN BEIDA commune de HAMMAM BOUHDJER(2025) Elgharbi, hanaa; Benteguig, kawtar; benchekor, hassibaThis study aims to determine the sizing of the various structures that make up the Ain Beida wastewater treatment plant. The design is based on the expected influent load projected for the year 2050. The treatment system operates using biological disk technology. We estimated the daily wastewater flow rates and the equivalent population. Based on this data, we calculated the required sizes of the treatment basins and the optimal dimensions of the biological disks, ensuring compliance with current environmental standards. The study also considers future expansion needs in response to the city’s anticipated demographic growth.Item Alimentation en eau potable de la zone d’expansion touristique de MADAGH- Commune de BOUZEDJAR(2025) Nedjadi, Mustapha Mortada; Bentaieb, Kamel; NehariThis study focuses on the potable water supply for the tourist area of Madagh, which falls under the administrative jurisdiction of the Bouzedjar municipality. Within a sustainable territorial planning approach, the absence of basic infrastructure—particularly access to drinking water—is identified as a major obstacle to the site's tourism development. A thorough territorial diagnosis is conducted to assess available resources and identify gaps and constraints. The goal is to propose effective, realistic, and sustainable technical solutions that address both current and future needs while integrating economic, social, and environmental dimensions to ensure the overall coherence of the project.Item DIMENSIONNEMENT D’UN OUVRAGE DE STOCKAGE POUR RECUPERATION DES EAUX USEES EPUREES A DES FINS D’IRRIGATION _CAS LA STEP DE AIN TEMOUCHENT_(2025) MOKRANE, FATIMA ZOHRA; DOUINI, TAKWA; Benaicha, mohamedThis research explores the reuse of treated wastewater for agricultural irrigation by designing a dedicated storage and distribution facility. The project supports sustainable water resource management in semi-arid environments. Based on the performance analysis of the Ain Temouchent wastewater treatment plant, treated water quality was assessed against international standards for agricultural reuse. A monthly water balance methodology was employed to determine the optimal storage capacity, accounting for crop demand, system losses, and site constraints. The study confirms the technical viability of implementing a wastewater reuse system.Item Essai d’élaboration de la méthodologie de modélisation 3D des nappes aquifères(2025) BENYAGOUB, ASMA; HAOUARI, FODIL; KADDOUR, HAKIMGroundwater represents a vital resource in various fields essential to the lives of individuals and communities. Like dams, it acts as a natural reservoir for rainwater and is typically exploited through well drilling. However, this process requires not only accurate knowledge of the location of groundwater beneath the surface, but also its depth, quality, and storage capacity—posing significant technical and scientific challenges. This thesis serves as an introduction and general overview of this important field, aiming to establish an effective methodology for three-dimensional modeling of aquifer systems. This modern tool provides deeper insight into groundwater behavior and supports its sustainable management. The study begins by presenting the fundamental concepts related to aquifers, including their types and hydrodynamic properties. It then explores techniques for collecting topographic, geological, climatic, and hydrological data, with a focus on the role of Geographic Information Systems (GIS). Furthermore, the research investigates digital modeling tools such as MODFLOW and GMS, as well as 3D visualization techniques, through the analysis of interpolation methods, layer representation, and interactive modeling. Ultimately, the work proposes a comprehensive scientific methodology for accurately representing aquifer layers, with the objective of supporting decision- making in the management of groundwater resources.Item Investigation of Factors Influencing NOx Emissions in Gas Turbine Generators of a Natural Gas Liquefaction Facility(2025) ELMEZOUAR, Abdel Rafik; ABDALLAH BERRABEH, Ben ali; DR.CHOUAT NadjatThis thesis presents an experimental investigation into the factors influencing nitrogen oxide (NOx) emissions from Frame 6 gas turbines equipped with Dry Low NOx (DLN) systems within a natural gas liquefaction complex. These pollutants represent a major challenge for the energy industry, as their emissions can exceed regulatory limits even with advanced control technologies in place. The study combines a theoretical review of NOx formation mechanisms with a rigorous experimental campaign, utilizing in-situ gas analysis, fuel gas chromatography, and real-time operational data collection. The results demonstrate that fuel gas density and composition, particularly the levels of nitrogen and ethane, have a more decisive influence on NOx production than the fuel's overall calorific value. These findings underscore the need for a systemic, multi-parameter approach to emissions control and open pathways for developing advanced predictive models to optimize the environmental performance of industrial gas turbines.Item Analyse expérimentale et optimisation des systèmes de dessalement solaire pour une production durable d’eau(2025) GHORZI, Redouane; Dr. MILOUD ABID OussamaWater has become a critical global challenge, closely tied to human development, while the search for sustainable sources grows increasingly urgent. Algeria faces severe water scarcity and relies on seawater desalination. However, conventional methods remain costly and energy-intensive. This study presents an experimental approach using a parabolic solar concentrator for saltwater distillation, providing an economical and eco-friendly alternative. The system operates solely on solar energy and was optimized for maximum efficiency. Our findings demonstrate that a 3-meter-diameter parabolic reflector paired with a copper absorption chamber delivers optimal performance.Item Gestion du réseau d’alimentation en eau potable du pôle urbain -Ahmed ZABANA- (Wilaya d’Oran)(2025) Lahcene, Ghania; Amar Belarbi, Feryel; Mr Benaicha.MThe work carried out as part of this final dissertation, entitled "Management of a drinking water supply network in the AHMED ZABANA urban center in the wilaya of ORAN," focuses on the study of the hydraulic behavior of the locality's water supply network. The proposed method is based on the management of a drinking water network using EPANET software. This management of a drinking water network can be determined from the simulation results provided by the software (pressure, velocity, etc.). After tracing the network, we will enter the node data (node heights and flow rate) and pipe data (diameter and material type), then proceed with the simulation and interpretation of the results.Item Gestion du réseau d’alimentation en eau potable du pôle urbain -Ahmed ZABANA- (Wilaya d’Oran)(2025) Lahcene, Ghania; Amar Belarbi, Feryel; Benaicha, mohamedThe work carried out as part of this final dissertation, entitled "Management of a drinking water supply network in the AHMED ZABANA urban center in the wilaya of ORAN," focuses on the study of the hydraulic behavior of the locality's water supply network. The proposed method is based on the management of a drinking water network using EPANET software. This management of a drinking water network can be determined from the simulation results provided by the software (pressure, velocity, etc.). After tracing the network, we will enter the node data (node heights and flow rate) and pipe data (diameter and material type), then proceed with the simulation and interpretation of the results.Item Protection des ouvrages hydraulique contre l’érosion(2024) Belmadani, Mounia; Hassaine, Mohamed; Nehari, AbderrahmaneErosion is a natural phenomenon that poses significant challenges to the durability and stability of hydraulic structures such as dams, dikes, and canals. This thesis explores various strategies and techniques for protecting hydraulic structures against water-induced erosion. The main objective is to analyze the mechanisms of erosion, identify the factors contributing to the wear of hydraulic structures, and propose effective solutions to minimize these impacts. The methodology adopted combines a review of existing literature on different types of erosion (fluvial, hydraulic, etc.), the use of numerical models to simulate the impact of various environmental factors on structures, as well as case studies on hydraulic structures in Algeria and elsewhere. These studies help to understand how geological and hydrological characteristics influence erosion. The results show that the use of techniques such as riprap, geotextiles, and concrete linings is effective in reducing erosion. Additionally, regular maintenance and monitoring of structures play a crucial role in preventing damage. This thesis also highlights the importance of adapting protective solutions to local specificities, taking into account geological and climatic conditions. In conclusion, this work contributes to a better understanding of the challenges posed by erosion of hydraulic structures and proposes an integrated approach to enhance their protection, ensuring their longevity and efficiency.Item LA VALORISATION ORGANIQUE DESBOUES DE LA STEP(2023) Slaimi, adel; Berradja, mouhamed chikh; Berralem, nasradin es said; NEHARI, ABDERRAHMANEItem ETUDE DU RESEAU D’ASSAINISSEMENT DE VILLAGE EL GUETNA ( Hassi El Ghala )(2023) HADDOU, Amar; M.BenaichaItem Dimensionnement d’un réseau d’irrigations d’un champ agricole D’Ain Témouchent(2023) El afifi, Abdelghafar Rachad Kamel; Zellat, Leila; Benchekor, HassibaItem Etude préparatoire pour la modélisation des nappes aquifère d’Ain Témouchent(2023) BENYOUCEF, Hadjer; BENDJEBBAR, Farah; Baghli.NLes réserves d'eau de la région de la wilaya d‘Ain Témouchent se trouvent menacées face à de la diminution sensible du niveau des eaux souterraines ces dernières années. Cette diminution est due à la rareté des eaux de pluie, à l'impact de la sécheresse et à l‘augmentation des besoins en eau en raison de l'augmentation rapide de la population. Dans ce contexte, cette étude vise à mettre en évidence l'existence d'un changement du niveau piézométrique de la nappe en fonction de la quantité de pluie et son irrégularité dans zone d'étude. Pour atteindre cet objectif, nous avons utilisé logiciel QGIS et plusieurs données (quantité des précipitations, niveau de la nappe phréatique, les coordonnées des stations et forages), et méthodes (l‘indice de précipitation standarisé SPI, la méthode double cumule, test de Wilcoxon, la loi normale, cumul écart à la moyenne). Les résultats de cette étude ont montré l'existence d'interruptions ces dernières années, se manifestant par une modification des précipitations et l'apparition d'alternances de périodes de sécheresse. Ils sont également montrés l'effet de ce changement sur le niveau des eaux souterraines, qui a été considérablement réduit.Item Susceptibilité des sols algériens à la culture du pistachier dans un contexte de lutte contre la désertification(2023) Belkadi, aymane chihab Eddine; Mellouk, Miloud daïe Eddine; BAGHLI-MERABET NLe pistachier l'Atlantique est une espèce à large répartition géographique. Nous pouvons le trouver dans le nord et dans le sud. Dans ce travail, nous nous sommes concentrés sur l'étude des types de pistaches rencontrés dans différentes régions en Algérie en termes de mesures des arbres d'une part, et d'analyse du sol dans lequel ces arbres poussent d'autre part. dans un contexte de lutte contre la désertification et dans le même temps le changement climatique en Algérie, le pistachier est un arbre très intéressant avec le diamètre allant jusqu'à 3 mètres et les racines profondes et une biomasse très importante. Les résultats de notre étude, à contrario, ont révélé des obstacles climatiques (humidité, gel et pluie) quant à sa culture à Ain Témouchent.