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2026

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Studying The Effect Of A New Mixed Cutting Fluid On Surface Roughness, Mohammed Shaker, Salah Jawad, Maan Tawfiq Aug 2026

Studying The Effect Of A New Mixed Cutting Fluid On Surface Roughness, Mohammed Shaker, Salah Jawad, Maan Tawfiq

Engineering and Technology Journal

This research studied the influence of cutting fluids and cutting parameters on the surface roughness for stainless steel worked by turning machine in dry and wet cutting cases. The work was done with different cutting speeds, and feed rates with a fixed depth of cutting. During the machining process, heat was generated and effects of higher surface roughness of work material. In this study, the effects of some cutting fluids, and dry cutting on surface roughness have been examined in turning of AISI316 stainless steel material. Sodium Lauryl Ether Sulfate (SLES) instead of other soluble oils has been used and …

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Accuracy Assessment Of Digital Elevation Models Produced From Different Geomatics Data, Imzahim Abdulkareem, Zina Samuel, Qassim Abdullah Aug 2026

Accuracy Assessment Of Digital Elevation Models Produced From Different Geomatics Data, Imzahim Abdulkareem, Zina Samuel, Qassim Abdullah

Engineering and Technology Journal

Digital Elevation Models (DEM) are now being used in several geospatial applications. DEMs play an important role in the preliminary surveys for constructing dams and reservoirs, highways, canals, and projects in which earth work is essential. In many remote sensing applications, DEMs have become a significant tool for InSAR (Interferometric Synthetic Aperture Radar) processing, ground cover classification and images ortho-rectification. In this study, the accuracy of DEMs obtained from ALOS V1.1, ASTER V2, SRTM V3 and other obtained from a pair of Pleiades high-resolution (PHR) 1B satellites in a study area were evaluated after comparing them with high accuracy GNSS/RTK …

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New Trend To Measure The Saturation Point And Suction In Granular Soil, Ahmed Al-Gharbawi, Mohammed Fattah, Mahmood Mahmood Aug 2026

New Trend To Measure The Saturation Point And Suction In Granular Soil, Ahmed Al-Gharbawi, Mohammed Fattah, Mahmood Mahmood

Engineering and Technology Journal

There are many methods to measure the suction and saturation point of any soil and the most used is Tensiometer. The objective of this research is to investigate a new trend to measure the saturation point and suction by using soil moisture content sensors (SMCS) and compare the procedure with tensiometer for the granular soil. The soil in this study has been prepared at three relative densities (5%, 35% and 75%) used. The results show that the readings of SMCS become stable when the water content is more than 20% with different relative densities. The relative density did not affect …

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Green Synthesis Of Iron Nanoparticles Using Black Tea Leaves Extract As Adsorbent For Removing Eriochrome Blue-Black B Dye, Dalal Ghanim, Ghayda Al-Kindi, Ahmed Hassan Aug 2026

Green Synthesis Of Iron Nanoparticles Using Black Tea Leaves Extract As Adsorbent For Removing Eriochrome Blue-Black B Dye, Dalal Ghanim, Ghayda Al-Kindi, Ahmed Hassan

Engineering and Technology Journal

Recently, the world has directed to find environmentally friendly and clean materials to be used to treat wastes difficult to treat in the traditional way such as dyes. The object of this study was to synthesize iron nanoparticles using black tea extracts in an environmentally sustainable method. Also, it was developed by supporting with bentonite, used to remove Eriochrome blue-black B dyes from synthesis wastewater of textile factory. From the results, it was noted that black tea leaf extract has reduced iron ions to iron nanoparticles at room temperature. Composite iron nanoparticles were characterized using Scanning Electron Microscope (SEM), and …

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Evaluation Of Eutrophication Levels In Al-Najaf Al-Ashraf Lake, Iraq (Biological And Chemical Study), Suhair Al-Sharifi, Salih Al-Bakri, Sataa Al-Bayati Aug 2026

Evaluation Of Eutrophication Levels In Al-Najaf Al-Ashraf Lake, Iraq (Biological And Chemical Study), Suhair Al-Sharifi, Salih Al-Bakri, Sataa Al-Bayati

Engineering and Technology Journal

Within Al-Najaf lake, that is one of the important shallow lakes in Iraq, the lake facing tremendous pressure due to encroachments, discharge of untreated domestic and industrial waste, drainage water from cultivated orchards, dumping of solid waste and illegal diversion of water and currently it's still suffering from these problems and neglect. The study aimed to evaluate the eutrophication status. Eutrophication is a grave problem in lakes, a knowledge about the eutrophic state help in providing a make efficient realization of the eutrophic problem.This study conducted to assess the Eutrophication level with a scale 0 – 100 depending on the …

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Analysis Of Wear, Tensile And Thermal Properties Of Poly Methyl Methacrylate Filled With Licorice Particle And Pomegranate Peels, Reem Mohammed, Marwah Attallah Aug 2026

Analysis Of Wear, Tensile And Thermal Properties Of Poly Methyl Methacrylate Filled With Licorice Particle And Pomegranate Peels, Reem Mohammed, Marwah Attallah

Engineering and Technology Journal

In the present work, analysis of wear behavior, tensile and thermal properties have been done for two sets Poly Methyl Methacrylate samples which is reinforced through licorice particles and pomegranate peels particles. Wear rate resistance is evaluated based on Taguchi’s experimental design L9 (MINITAB 18) under the three factors: weight fraction of fillers (1%, 2%, 3%, 4% and 5% wt.) sliding time (5, 8 and 11 min) and load applied (10, 15and 20N) using a pin-on-disk device. Results display that the samples (Poly Methyl Methacrylate +5% licorice particles and 5% pomegranate peels particles) show the best resistance wear of (0.045×10-6 …

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Incorporation Of Iraqi Rocks In The Production Of Eco-Friendly Cement Mortar, Rawnaq Mahdi, Aseel Al-Zubaidi, Hassan Hashim Aug 2026

Incorporation Of Iraqi Rocks In The Production Of Eco-Friendly Cement Mortar, Rawnaq Mahdi, Aseel Al-Zubaidi, Hassan Hashim

Engineering and Technology Journal

This work reports on the incorporation of Flint and Kaolin rocks powders in the cement mortar in an attempt to improve its mechanical properties and produce an eco-friendly mortar. Flint and Kaolin powders are prepared by dry mechanical milling. The two powders are added separately to the mortars substituting cement partially. The two powders are found to improve the mechanical properties of the mortars. Hardness and compressive strength are found to increase with the increase of powders constituents in the cement mortars. In addition, the two powders affect water absorption and thermal conductivity of the mortar specimens which are desirable …

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Comparative Study Of Specifications Between Local And Imported Water Pumps And An Energy-Efficient Local Developed Pump, Maryam Abdul Wahid, Lamyaa Dawood Aug 2026

Comparative Study Of Specifications Between Local And Imported Water Pumps And An Energy-Efficient Local Developed Pump, Maryam Abdul Wahid, Lamyaa Dawood

Engineering and Technology Journal

Conserving energy is one of those important requirements of the environment. In this research, an eco-friendly power saving Water pump [Air coolers] is developed. This development is based on GQFD. The model of this developed Water pump is drawn by a CAD solid model (version 7, Autodesk AutoCAD 2011). The electrical motor is responsible for the rotation of the pillar and further distributes Water inside the Air cooler [regardless of the size]. In the developed model motor is canceled where the rotation is throughout attachment to the Air cooler. A further prototype of this model is made were common and …

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Investigation The Electrode Wear Rate And Metal Removal Rate In Edm Process Using Taguchi And Anova Method, Safaa Ghazi Aug 2026

Investigation The Electrode Wear Rate And Metal Removal Rate In Edm Process Using Taguchi And Anova Method, Safaa Ghazi

Engineering and Technology Journal

The experimental work of this paper leads to electrical discharge machining (EDM). A system for machining in this process has been developed. Many parameters are studied such as current, pulse on-time, pulse off time of the machine. The main aim of this work is to calculate the metal removal rate (MRR) and electrode wear rate (EWR) using copper, electrodes when machining tool steel H13 specimens of a thickness (4mm).Different current rates are used ranging from (30, 42, and 54) Amp, pulse on-time ranging from (75, 100, and 125) and pulse off time ranging from (25, 50, and 75) found that …

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Optimum Design Of Journal Bearings Dimensions For Rotating Machines, Tariq Hammza, Ehab Abas, Nassear Hmoad Aug 2026

Optimum Design Of Journal Bearings Dimensions For Rotating Machines, Tariq Hammza, Ehab Abas, Nassear Hmoad

Engineering and Technology Journal

The values of Many parameters which involve in the design of fluid film journal bearings mainly depend on the bearing applied load when using the conventional design method to design the journal bearings, in this study, as well as applied bearing load, the dynamic response and critical speed have been used to calculate the dimensions of journal bearings. In the field of rotating machine, especially a heavy-duty rotating machines, the critical speed and response are the main parameters that specify bearing dimensions. The bearing aspect ratio (bearing length to bore diameter) and bearing clearance have been determined based on rotor …

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Optimization Of Cutting Parameters In Milling Process Using Genetic Algorithm And Anova (March 2020), Marwa Ibraheem Aug 2026

Optimization Of Cutting Parameters In Milling Process Using Genetic Algorithm And Anova (March 2020), Marwa Ibraheem

Engineering and Technology Journal

In this present work use a genetic algorithm for the selection of cutting conditions in milling operation such as cutting speed, feed and depth of cut to investigate the optimal value and the effects of it on the material removal rate and tool wear. The material selected for this work was Ti-6Al-4V Alloy using H13A carbide as a cutting tool. Two objective functions have been adopted gives minimum tool wear and maximum material removal rate that is simultaneously optimized. Finally, it does conclude from the results that the optimal value of cutting speed is (1992.601m/min), depth of cut is (1.55mm) …

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The Solubility Of Phosphogypsum And Recovery Of Heavy And Radioactive Elements, Waleed Rashid, Israa Alkadir, Moayyed Jalhom Aug 2026

The Solubility Of Phosphogypsum And Recovery Of Heavy And Radioactive Elements, Waleed Rashid, Israa Alkadir, Moayyed Jalhom

Engineering and Technology Journal

The essential purpose of this paper is to illustrate and inspect the leaching characteristics of Iraqi Phosphogypsum (PG). The paper presents the results of the dissolution characteristics of heavy and radioactive elements from PG, which is a by-product result from the industry of phosphate fertilizers. Leachability of heavy and radioactive elements in deionized water that has been inspected under various states of leaching, including solid/liquid ratio (10, 20 and 50 /1g/L) and temperatures (25, 45 and 85 °C), with constant other parameters such as string speed (300 rpm) and contact time (60 minutes). For the most analysis elements, the progressive …

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Study The Ductility Of Aluminum Alloy Processed By Asymmetric Rolling Process, Adil. Jaber Aug 2026

Study The Ductility Of Aluminum Alloy Processed By Asymmetric Rolling Process, Adil. Jaber

Engineering and Technology Journal

Asymmetric rolling refers to the conditions wherein velocities or diameters of two work rolls are different. Compared to symmetrical rolling, asymmetric rolling is more effective on microstructure modification and texture evolution. Intense shear deformation can be introduced into asymmetric rolling to enhance the ductility and formability of aluminum alloy and this is the aim of current research. The process of the asymmetrical rolling was done on specimens with different reductions (10%,15%, and 20% reductions). Then the tensile test was conducted at room temperature at the strain rate range between 0.33×10-3s-1 - 3.33×10-3s-1 to study the ductility property of the asymmetric …

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Adsorption Desulfurization Of Actual Heavy Crude Oil Using Activated Carbon, Yusra Abd Al-Khodor, Talib Albayati Aug 2026

Adsorption Desulfurization Of Actual Heavy Crude Oil Using Activated Carbon, Yusra Abd Al-Khodor, Talib Albayati

Engineering and Technology Journal

The strict new regulations to reduce the sulfur content of fuel require new economical and efficient ways to remove the sulfur from the organic sulfur components. In the current work, sulfur was removed from the actual crude oil containing 2.5 wt.% from southern Iraq, specifically the Halfaya Oil Field was studied using adsorption desulfurization with activated carbon (AC). The effects of different operating conditions, including the dose of AC (0.2-1.0 gm), time (15–120 min) and temperature (30–50°C) were investigated. The best operating conditions were obtained as 0.8 gm AC, 90 minutes and 50℃, respectively. Langmuir, Freundlich and Temkin isotherm models …

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The Effects Of Sunlight On Particle Matter & Radiation Pollution In Baghdad Airport Area, Fatima Hameed, Faris Mohammed, Abdul Hameed Al-Obaidy Aug 2026

The Effects Of Sunlight On Particle Matter & Radiation Pollution In Baghdad Airport Area, Fatima Hameed, Faris Mohammed, Abdul Hameed Al-Obaidy

Engineering and Technology Journal

The gasses emitted from the various activities, in addition to particle matter (PM10) play a major role in air quality deterioration. Particles matter and radiation are two of the most important parameters that exist in airports and were evaluated considering the variations in sunlight energy. The measured values were collected from eleven sites, which were chosen based on their influence by aviation activities. The measurements were compared to the (Iraqi Regulations and U.S EPA) for particle matter. While for radiation, the measurements were compared with the U.S. National Institute of Health (NIH), International Commission on Radiological Protection (ICRP), and the …

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Redesign Of Water Filter Workshop Using Slp, Nrjis Bassim, Luma Al-Kindi Aug 2026

Redesign Of Water Filter Workshop Using Slp, Nrjis Bassim, Luma Al-Kindi

Engineering and Technology Journal

Workshop and factory design is one of the most important problems facing companies to enhance their performance and productivity. Facility layout issue is a fundamental fragment of accommodations planning which have a target of organize all manufacturing entities to be located as a facility having the objective to improve manufacturing processes for an organization. The aim of this paper is to study, evaluate and then creating an improved water filter workshop adopting Muther’s (SLP) Systematic Layout Planning Procedure for increasing production and utilizing spaces. The case study in this paper is a practical one for the existing layout in Al-Faris …

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Extraction Of Zirconium From Iraqi Bauxite Ore, Israa Aziz, Moayyed Jalhom, Muhanad Kheriallah Aug 2026

Extraction Of Zirconium From Iraqi Bauxite Ore, Israa Aziz, Moayyed Jalhom, Muhanad Kheriallah

Engineering and Technology Journal

This research is devoted to the study of the extraction of zirconium from Iraqi Bauxite Ore by using hydrometallurgical method. The chemical analysis was done to the bauxite ore by using X-ray florescence, X-ray diffraction and atomic absorption spectroscopy. Zirconium Extraction was performed via three stages; the first stage is leaching of bauxite with sodium hydroxide for alumina leaching. The second stage is leaching of zirconium species from the remained powder produced from stage one after washing with deionized water and, nitric acid (HNO3 solutions). The results of the first stage has reflected the recovery of 42.27 % of Al2O3 …

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Properties And Behavior Of Starch Biopolymer Concrete, Waleed Abbas, Hawraa Mohsen Aug 2026

Properties And Behavior Of Starch Biopolymer Concrete, Waleed Abbas, Hawraa Mohsen

Engineering and Technology Journal

Starch act as natural polymer has been got from Wheat, Tapioca, and Corn. Corn starch has been investigated as biopolymer and has been added to concrete in different percentages (0%, 0.5%, 1%, and 1.5%) by cement weight and the study shows the effect of using starch on some properties of concrete in the fresh state ( slum and fresh density) and at hardened state (compressive strength, splitting tensile strength and flexural strength) at 28 days. The mix proportion was(1:2.3:2.3) (cement: sand: gravel) respectively and at constant w/c equal to 0.47.The results indicate that the optimum percentage of starch addition was …

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Effect Of Sic-Cu Electrode On Material Removal Rate, Tool Wear And Surface Roughness In Edm Process, Yousif Laibi, Saad Shather Aug 2026

Effect Of Sic-Cu Electrode On Material Removal Rate, Tool Wear And Surface Roughness In Edm Process, Yousif Laibi, Saad Shather

Engineering and Technology Journal

Electrical discharge machining (EDM) is one of the most common non-traditional processes for the manufacture of high precision parts and complex shapes. The EDM process depends on the heat energy between the work material and the tool electrode. This study focused on the material removal rate (MRR), the surface roughness, and tool wear in a 304 stainless steel EDM. The composite electrode consisted of copper (Cu) and silicon carbide (SiC). The current effects imposed on the working material, as well as the pulses that change over time during the experiment. When the current used is (8, 5, 3, 2, 1.5) …

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The Formability And Elongation Of Aluminum Alloys Aa5083 And Aa3003 For Micro-Truss Sandwiches Manufacturing, Arwa Tawfeeq, Matthew Barnett Aug 2026

The Formability And Elongation Of Aluminum Alloys Aa5083 And Aa3003 For Micro-Truss Sandwiches Manufacturing, Arwa Tawfeeq, Matthew Barnett

Engineering and Technology Journal

The development in the manufacturing of micro-truss structures has demonstrated the effectiveness of brazing for assembling these sandwiches, which opens new opportunities for cost-effective and high-quality truss manufacturing. An evolving idea in micro-truss manufacturing is the possibility of forming these structures in different shapes with the aid of elevated temperature. This work investigates the formability and elongation of aluminum alloy sheets typically used for micro-truss manufacturing, namely AA5083 and AA3003. Tensile tests were performed at a temperature in the range of 25-500 ○C and strain rate in the range of 2x10-4 -10-2 s-1. The results showed that the clad layer …

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Path Planning Of Mobile Robot Using Improved Artificial Bee Colony Algorithm, Rkaa Kamil, Mohamed Mohamed, Bashra Oleiwi Aug 2026

Path Planning Of Mobile Robot Using Improved Artificial Bee Colony Algorithm, Rkaa Kamil, Mohamed Mohamed, Bashra Oleiwi

Engineering and Technology Journal

A modified version of the artificial Bee Colony Algorithm (ABC) was suggested namely Adaptive Dimension Limit- Artificial Bee Colony Algorithm (ADL-ABC). To determine the optimum global path for mobile robot that satisfies the chosen criteria for shortest distance and collision–free with circular shaped static obstacles on robot environment. The cubic polynomial connects the start point to the end point through three via points used, so the generated paths are smooth and achievable by the robot. Two case studies (or scenarios) are presented in this task and comparative research (or study) is adopted between two algorithm’s results in order to evaluate …

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Absorption Of Carbon Dioxide Into Aqueous Ammonia Solution Using Blended Promoters (Mea, Mea+Pz, Pz+Argk, Mea+Argk), Farah Al-Sudani Aug 2026

Absorption Of Carbon Dioxide Into Aqueous Ammonia Solution Using Blended Promoters (Mea, Mea+Pz, Pz+Argk, Mea+Argk), Farah Al-Sudani

Engineering and Technology Journal

Absorption of CO2 into promoted-NH3 solution utilize a packed column (1.25 m long, 0.05m inside diameter) was examined in the present work. The process performance of four different blended promoters monoethanolamine (MEA)+ piperazine (PZ), piperazine (PZ)+ potassium argininate (ArgK) and monoethanolamine +potassium argininate was compared with unpromoted-NH3 solution by evaluated the absorption rate (φ_(CO_2 )) and overall mass transfer coefficient (K_(G,CO_2.) a_v) over the operating ranges of the studied process variables (1-15Kpa initial partial pressure of CO2, 5-15 Liter/min gas flow rate, 0.25-0.85 Liter/min liquid flow rate). The results exhibit that the absorption behavior and efficiency can be enhanced by …

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Study Of The Influence Of Different Variables On Clathrate Practical Applications In Phenol Removal, Riyadh Al- Mukhtar, Shurooq Remedhan, Marwa Hussin Aug 2026

Study Of The Influence Of Different Variables On Clathrate Practical Applications In Phenol Removal, Riyadh Al- Mukhtar, Shurooq Remedhan, Marwa Hussin

Engineering and Technology Journal

In this work, effluent wastewater treated by using cyclopentane-water Clathrate system to treat water contaminates with phenols at concentrations (300, 250, 200, 150, 100 and 50) ppm in order to investigate the capability of process performance. Clathrate or hydrate are strong crystal structures including water (host particles) and little particles (guest particles). The experiments were conducted at different cyclopentane-water volume ratios (1: 2 and 1: 4). The work was done in a 250 ml glass cell with an electric mixer at a constant speed of 280 cycles per minute. Phenol was highest removal percent at 300ppm at 1: 4volume ratio …

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Enhancement Of Edm Performance By Using Copper-Silver Composite Electrode, Saad Shather, Abbas Ibrahim, Zainab Mohsein, Omar Hassoon Hassoon Aug 2026

Enhancement Of Edm Performance By Using Copper-Silver Composite Electrode, Saad Shather, Abbas Ibrahim, Zainab Mohsein, Omar Hassoon Hassoon

Engineering and Technology Journal

Discharge Machining is a non-traditional machining technique and usually applied for hard metals and complex shapes that difficult to machining in the traditional cutting process. This process depends on different parameters that can affect the material removal rate and surface roughness. The electrode material is one of the important parameters in Electro –Discharge Machining (EDM). In this paper, the experimental work carried out by using a composite material electrode and the workpiece material from a high-speed steel plate. The cutting conditions: current (10 Amps, 12 Amps, 14 Amps), pulse on time (100 μs, 150 μs, 200 μs), pulse off time …

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Optimal Model Reference Control Scheme Design For Nonlinear Strict-Feedback Systems, Musadaq Hadi, Hazem Ali Aug 2026

Optimal Model Reference Control Scheme Design For Nonlinear Strict-Feedback Systems, Musadaq Hadi, Hazem Ali

Engineering and Technology Journal

In this paper, a new design of the model reference control scheme is proposed in a class of nonlinear strict-feedback system. First, the system is analyzed using Lyapunov stability analysis. Next, a model reference is used to improve system performance. Then, the Integral Square Error (ISE) is considered as a cost function to drive the error between the reference model and the system to zero. After that, a powerful metaheuristic optimization method is used to optimize the parameters of the proposed controller. Finally, the results show that the proposed controller can effectively compensate for the strictly-feedback nonlinear system with more …

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Improved Y-Source Single-Stage Transformerless Micro-Inverter For Pv Residential Applications, Firas Salih, Oday Ahmed Aug 2026

Improved Y-Source Single-Stage Transformerless Micro-Inverter For Pv Residential Applications, Firas Salih, Oday Ahmed

Engineering and Technology Journal

Y-Source Impedance Network (YSN) is one of the most suitable for providing high voltage gain. It generatesa high voltage gain by using a small shoot-through duty cycle, which makes it suitable in applications require a wide range of input voltages such as the Photovoltaic (PV) power plants. However, traditional (YSNs) are unable to boost low voltages in certain applications to the DC-link voltage (about 400V) since it requires a high number of the turns ratio. Higher turns ratio implies higher leakage inductance resulting in higher DC-link voltage spikes. Also, traditional YSNs have high voltage stresses across the components. In this …

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Numerical And Experimental Explorations For The Formability Of Drawing Square Cups Through Deep Drawing Operation (January 2020), Nareen Obaeed Aug 2026

Numerical And Experimental Explorations For The Formability Of Drawing Square Cups Through Deep Drawing Operation (January 2020), Nareen Obaeed

Engineering and Technology Journal

This study aims to examine the formability of drawing cups having square shapes through direct deep drawing process on a single action press through one pass. This can be accomplished by conducting an FE simulation and performing an experimental investigation on steel substrate type AISI 1008 blank with diameter and thickness dimensions 80, 0.5 mm respectively. To explore and analyze the formability of such a drawing process, two process parameters have been included in this work which is the speed of punch (30 and 300 mm/min) and the lubrication state (with machine oil and dry drawing). Both direct and indirect …

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Effect Of Polyvinyl Pyrrolidone On Polyvinyl Chloride-Graft-Acrylamide Membranes, Maha Al-Bahate, Kadhum Shabeeb, Bassam Khalil Aug 2026

Effect Of Polyvinyl Pyrrolidone On Polyvinyl Chloride-Graft-Acrylamide Membranes, Maha Al-Bahate, Kadhum Shabeeb, Bassam Khalil

Engineering and Technology Journal

Polyvinyl-chloride (PVC) was dehydrochlorinated by alkaline-solution (NaOH) in determining molarity (3.0 M) followed by grafting with acrylamide (AM) monomer onto dehydrochlorinated PVC (DHPVC) backbone by free-radical graft copolymerization to produce new grafted polymer referred as graft 3M. Then investigated the effect of polyvinyl pyrrolidone (PVP) addition on the grafted polymer. Membranes from pure PVC, graft 3M, and graft 3M/ PVP were synthesis via a phase inversion method. The successful AM grafting onto PVC was confirmed by characterization of the membranes by Atomic Force Microscopy (AFM) and Field Emission Scanning Electron Microscope (FESEM) analysis, porosity, pore size, and contact angle measurements. …

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Nonlinear Finite Element Analysis Of High Strength Fiber Reinforced Concrete Beams, Zinah Abdul Hussein Aug 2026

Nonlinear Finite Element Analysis Of High Strength Fiber Reinforced Concrete Beams, Zinah Abdul Hussein

Engineering and Technology Journal

This research work presents a nonlinear finite element investigation on the behavior of high strength fiber reinforced concrete beams. This investigation is carried out in order to get a better understanding of their behavior throughout the entire loading history. The three- dimensional 20-node brick elements are used to model the concrete, while the reinforcing bars are modeled as axial members embedded within the concrete brick elements. The compressive behavior of concrete is simulated by an elastic-plastic work-hardening model followed by a perfectly plastic response, which terminate at the onset of crushing. In tension, a fixed smeared crack model has been …

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Study The Effect Of Machine Efficiency In Production Lines Balancing, Rasha Marzoog, Sawsan Al-Zubaidy, Ahmed Alduroobi Aug 2026

Study The Effect Of Machine Efficiency In Production Lines Balancing, Rasha Marzoog, Sawsan Al-Zubaidy, Ahmed Alduroobi

Engineering and Technology Journal

Production Line Balancing (PLB) is the technique of assigning the operations to workstations in such a way that the assignment minimizes the idle time between workstations. PLB aims to equator the workload in each workstation to assure maximum production flow. By adding machine in specific configurations is one treatment which leads to this leveling in workload. This research studies the different efficiencies of the added machine and the effect of these efficiencies on line balancing to select the machine with suitable efficiency. This will be led to reduce the idle time between workstations and increasing production flow. The work time …

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