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532 articles for “Cu-water”
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MANAGEMENT OF CURRENT WATER RESOURCES IN BAHR AN-NAJAF BASIN IN IRAQ
Abstract: Water resources management is the activity of planning, developing, distributing and managing the optimum use of water resources. With hot and dry climate in Iraq combined with lack of water resources management, water is one of the most central issues. Utilizing adequate management techniques, optimal use of the available water within Iraq can be achieved. This paper focuses on management of the current water resources in Bahr An-Najaf area (251 …
Published in Journal of Water Resource Engineering and Management · Vol. 5, Issue 2, 2018 · pp. 1–11 Read article
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A Review on Waterjet Cutting of Difficult to Cut Material (Titanium, Inconel)
Abstract: The AWJ is among the modern type of machining with significant advantages over the previously used type machining. The measuring of the cutting depth is very important in progress abrasive waterjet (AWJ) machining system. While cutting Ti-6Al-4V under waterjet, it is important to measure the cutting depth of the required material at the instant of cutting.
Published in Journal of Production Research & Management · Vol. 10, Issue 2, 2020 · pp. 1–2 Read article
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Modeling and Optimization of Continuous Gas Lift Performance in Libya Oil Field
Abstract: With a massive number of oil and gas field becoming mature, the upstream engineering is facing new challenge. How to develop , or at least steady production while keeping obtainable reserves at their existing level, As matter of fact unstable production in gas lift wells. The Key issues most operators encounter with oil fields are the effects of high water production that may lead to wells died and decrease in …
Published in Journal of Petroleum Engineering & Technology · Vol. 8, Issue 3, 2018 · pp. 40–48 Read article
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Homogeneous and Heterogeneous Analysis of Water and Ethylene Glycol Based Cu Nano-particle
Abstract: The flow of heat in water Ethylene glycol (C2H6O2) copper based small size particles between two parallel freezing discs along with homogeneous and heterogeneous reactions are greatly and heavily affected by magnetic field. Here, I have considered Magnetic Hydro Dynamics effect perpendicular to the plane surface, while, bottom disk will be considered to be porous. The basic equations such as Navier-stokes, energy, Homogenous and Heterogonous reactions will be used for …
Published in Recent Trends in Fluid Mechanics · Vol. 9, Issue 3, 2022 · pp. 44–55 Read article
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Optimal Selection of Control Factors in Abrasive Water Jet Cutting of Titanium Grade 5
Abstract: The Technique for Order Preference by Similarity Ideal Solution (TOPSIS) approach was used to carry out optimization studies on an abrasive water jet (AWJ) cutting process with multiweapon characteristics based on Multi Criteria Decision Making Methodology (MCDM). The process parameters water jet pressure, traverse rate and standoff distance are optimized with multiresponse characteristics, including the depth of penetration (DOP) smooth zone (SR) . The optimized results obtained from this approach …
Published in Recent Trends in Fluid Mechanics · Vol. 9, Issue 1, 2022 · pp. 38–42 Read article
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A Technical Review on Evaluation of Vegetable Oil in Water-Emulsion Cutting Fluid in Machining Steel with Coated Carbide Tool
Abstract: In metal cutting industries, Metal working fluids (MWFs) or Metal cutting fluids (MCFs) are used; they act as coolant as well as lubricant. In industries synthetic and petroleum based cutting fluid as well as coolant produce negative effect on human health, ecology and environment. When tool and work piece are engaged with each other while machining due to engagement they produce heat. The metal cutting fluids effect on heat generation …
Published in Journal of Materials & Metallurgical Engineering · Vol. 7, Issue 3, 2017 · pp. 26–34 Read article
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Water/Oil Cresting Optimization in Horizontal Wells: Experimental Study
Abstract: In recent years, the application of horizontal wells has been predominant and successful in minimizing cresting scenarios due to significant reservoir exposure of its laterals. Cresting is a natural phenomenon known to occur when an imbalance of viscous and gravitational forces exists in a reservoir. This study experimentally investigates the effect of varying the inclined section of the horizontal well using a simple, practical and inexpensive cresting optimization technique. The …
Published in Journal of Petroleum Engineering & Technology · Vol. 10, Issue 3, 2020 · pp. 35–46 Read article
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Experience from Polymer-EOR on Offshore Heavy Oil Field in Bohai Bay, China
Abstract: In this paper, a review work based on the polymer flood for offshore heavy oil reservoir is presented. In recent years, the CNOOC has launched quite a few chemical EOR projects at offshore oilfields in the Bohai Bay, China. With the useful life of platform and the present production state, polymer flooding is considered and already proved as an important technology for the strategic development of offshore heavy oil fields …
Published in Journal of Petroleum Engineering & Technology · Vol. 3, Issue 1, 2013 · pp. 14–19 Read article
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Assessment of the Current Situation of Drinking Water in the Al Jufra Region–Libya
Abstract: Rainwater, groundwater and surface water are considered the most important sources of water for most Arab countries in general. Most Libyan cities depend mainly on groundwater for drinking water sources. Al-Jufra is one of the areas that has suffered from a lack of water resources in recent years as a result of urban, population and agricultural development. And as it occupies an important geographical area in the center of the …
Published in Journal of Water Resource Engineering and Management · Vol. 9, Issue 2, 2022 · pp. 13–18 Read article
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Revitalization of Regional Water Schemes in Nigeria: Current Issues and Policy Recommendations
Abstract: It is a fundamental human right to have access to clean, reliable water, but in Nigeria, inadequate regional water schemes and their decline have created a serious water crisis. This paper highlights the critical issues facing regional water schemes in Nigeria and proposes a path forward for revitalization. The issues are multifaceted, encompassing aging infrastructure, insufficient maintenance, mismanagement, population growth, and environmental challenges. These issues have contributed to a decline …
Published in Journal of Water Resource Engineering and Management · Vol. 11, Issue 3, 2024 · pp. 8–19 Read article
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Efficiency analysis of the floating breakwater with mooring system
Abstract: Floating structures are new advance method for the water based structures. Floating structures can eliminate land issue. The floating structures are being used since ancient time for emergency and temporary purposes. For permanent structures the floating structure should overcome and completely resistant to water forces i.e. wave forces, water current forces, and wind forces and water static forces. In which the wave forces and water forces are major forces which …
Published in Journal of Offshore Structure and Technology · Vol. 11, Issue 2, 2024 · pp. 50–56 Read article
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Study of Water and Ethylene Glycol Based Cu Nanoparticles inside Parallel Disks with VMHD
Abstract: In this article, we have developed a mathematical model for water and ethylene glycol based copper nanoparticles between two parallel Disks under the influence of variable magnetic field. Parametric study for the flow field, temperature variation and magnetic field are performed from the set of Navier-Stokes, Energy and from the Maxwell equations. Coupled system of PDE’s are converted into system of ODE’s by means of similarity transformations. Effects of various …
Published in Recent Trends in Fluid Mechanics · Vol. 9, Issue 3, 2022 · pp. 34–43 Read article
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Affordable Water Pricing for Slums Dwellers in Dhaka Metropolitan Area: The Case of Three Slums
Abstract: Ensuring affordable and equitable access to safe water for all in urban areas is a major water management challenge for Bangladesh. Both the availability and the quality of water are declining in the poor urban areas, especially in Dhaka, the capital of Bangladesh. Lack of access to affordable drinking water in the slums of Dhaka metropolitan area (DMA) poses a major challenge for Bangladesh to achieve target 6.1 of the …
Published in Journal of Water Resource Engineering and Management · Vol. 3, Issue 1, 2016 · pp. 15–33 Read article
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Stability Analysis of Pontoons under Breakwater and Mooring System
Abstract: Floating pontoons are the new advance method and technology in construction industry. Land issue is very common issue in various countries. Constructing on waters and in the waters is the only option to overcome the land issue. Also, the construction of the bridges and other water-based structures also can be constructed by using pontoons. Pontoons are being used in the construction since ancient time Including temporary bridges and small shelters. …
Published in Journal of Water Resource Engineering and Management Read article
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Stability Analysis of Pontoons Under Breakwater and Mooring System
Abstract: Floating pontoons are the new advanced method and technology in the construction industry. Land issues are very common issues in various countries. Constructing on and in the waters is the only option to overcome the land issue. Also, the construction of the bridges and other water-based structures can be constructed by using pontoons. Pontoons have been used in construction since ancient times. This includes temporary bridges and small shelters. It’s …
Published in Journal of Water Resource Engineering and Management · Vol. 11, Issue 2, 2024 · pp. 29–37 Read article
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Biopolymer Substitution and Impact on Cuttings Transport of a Lightweight Water-Based Drilling Fluid
Abstract: The aim is to determine the impact of substitution of a local material for another, on rheological properties and hole cleaning capability. A local biopolymer Mucuna solannie was used as a substitute for another biopolymer, Detarium microcarpum, primarily as a viscosifier in a water-based drilling fluid. Tests were carried out using standard equipment and specifications. Variations in transport efficiency and required minimum fluid flow rate at same cuttings concentration (CC) …
Published in Journal of Petroleum Engineering & Technology · Vol. 7, Issue 2, 2017 · pp. 54–64 Read article
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Water Level Detection and Auto-cutoff
Abstract: The focus of this study is to explore Internet of Things and implement it to overcome a daily and reallife challenge. Additionally, we will talk about potential barriers to development. Throughout the study, we would cover the concept of Internet of Things, dealing with the definitions given in the past. We would also talk about the basic communication models of IoT (Internet of Technology) Devices. Moreover, we would consider a …
Published in Journal of Communication Engineering & Systems · Vol. 13, Issue 1, 2023 · pp. 33–40 Read article
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Performance Evaluation of Concrete with Binary and Ternary Blends of Fly Ash, Silica Fume, and Fiber Reinforcement
Abstract: This study evaluates the effect of ground granulated blast furnace slag (GGBS) as a partial replacement for cement on the mechanical properties of concrete, focusing on compressive and split tensile strength. Concrete mixes were prepared with GGBS replacement levels of 0%, 25%, and 50% and subjected to different curing methods, including water curing, steam curing, and conceal curing. These curing methods were selected to investigate their impact on hydration, strength …
Published in Journal of Construction Engineering, Technology & Management · Vol. 15, Issue 3, 2025 · pp. 40–45 Read article
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Coordinating Supply and Demand of Water to Confront Water Security in Mysuru-Nanjangud LPA: A System Dynamics Approach
Abstract: Mysuru-Nanjangud Local Planning Area is one of the Tier-II City in the state of Karnataka. Next to Bangalore, it has a high significance in potential urban development. By the year passes, demographic transitions are increasing with respect to birth rate, death rate, periurban extension, immigration and emigrations within study area. The major challenges to local authority are to meet the requirement in terms of supplying clean and safe water to …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 5, Issue 3, 2017 · pp. 26–33 Read article
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Experimental Study of Geopolymer Concrete in Construction of Rigid Pavement
Abstract: Geopolymer concrete is an inorganic alumino-silicate polymer. In the present experimental study of geopolymer concrete, the ground granulated blast furnace slag, fly ash, sodium hydroxide solution of molarity 14 and sodium silicate solution of molarity 14 are used to prepare geopolymer concrete mixture. The ground granulated blast furnace slag used here is taken from Jindal Steel and Power Limited, Raigarh. Different proportions of the constituents are mixed to get different …
Published in Trends in Transport Engineering and Applications · Vol. 4, Issue 2, 2017 · pp. 24–29 Read article