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Waste Rubber Pre-Treatments And Their Effects On Compressive And Flexural Strength Of Modified Sifcon, Ali Hashim, Basil Al-Shathr Mar 2026

Waste Rubber Pre-Treatments And Their Effects On Compressive And Flexural Strength Of Modified Sifcon, Ali Hashim, Basil Al-Shathr

Engineering and Technology Journal

Slurry-infiltrated fiber concrete (SIFCON) is a comparatively new and unique steel fiber-reinforced concrete (FRC) form. SIFCON possesses many desirable characteristics, including high strength and ductility. Sustainable concrete is one of the most critical types of concrete for the current environment. An enormous volume of waste rubber tires is produced globally due to the expansion of the automobile industry. This study's primary purpose is to assess the impact of employing pre-treated waste rubber tires in slurry-infiltrated fiber concrete on its flexural and compressive strengths. Based on flexural and compressive strengths, an experimental program was conducted to evaluate the flexural and compressive …

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A Proposed New Mix Proportioning Method For Fly Ash-Based Geopolymer Concrete, Mazin Alhifadhi, Tareq Al-Attar, Qais Hasan Mar 2026

A Proposed New Mix Proportioning Method For Fly Ash-Based Geopolymer Concrete, Mazin Alhifadhi, Tareq Al-Attar, Qais Hasan

Engineering and Technology Journal

Global warming on planet Earth results from the high emission of greenhouse gases, especially CO2. The Portland cement industry releases high amounts of CO2 and is responsible for about 5-8% of total emissions. Efforts have been made to look for alternative cementless binders to mitigate the impact on the environment. Geopolymers are one of the highlighted alternatives and can be obtained from the reaction of any aluminosilicate material with an alkaline solution. Aluminosilicate materials are found in byproduct materials such as fly ash. Geopolymer concrete is a promising environmentally friendly option. However, previous conventional mix proportioning methods for fly ash-based …

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Review On The Physicl Properties Of Polyethylene Oxide, Fahad Kamal, Nahida Hameed, Evan Salim, Subash Gopinath Mar 2026

Review On The Physicl Properties Of Polyethylene Oxide, Fahad Kamal, Nahida Hameed, Evan Salim, Subash Gopinath

Engineering and Technology Journal

Solid polymeric electrolytes have become crucial today due to their stability and high conductivity. Recently, lithium ion-doped polymeric electrolytes have gained intense attention for their superior ability to create highly conductive electrolytes for batteries and energy storage. This innovative electrolyte type has displaced many traditional systems due to their flammability and bulkiness. Traditional liquid organic electrolytes pose risks due to their flammable and unstable nature. Solid-state composite electrolytes offer both mechanical stability and electrical conductivity by using solid polymeric matrices like polyethylene oxide and polyurethane reinforced with inert fillers like alumina and titanium dioxide. Polyethylene oxide (PEO)-based materials show promise …

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Implementation Of Hyperbolic Sine And Cosine Functions Based On Fpga Using Different Approaches, Rawasee Yousif, Ivan Hashim, Bassam Abd Mar 2026

Implementation Of Hyperbolic Sine And Cosine Functions Based On Fpga Using Different Approaches, Rawasee Yousif, Ivan Hashim, Bassam Abd

Engineering and Technology Journal

This paper presents the implementations of the hyperbolic sine and cosine functions, which are essential in many digital systems. In the previous eras, these functions were only implemented in software; however, hardware implementations have recently become more significant due to the performance advantages of hardware systems over software implementations. Therefore, these functions can be hardware implemented using various methods such as the CORDIC algorithm, Taylor series, polynomial approximation technique, and LUT approach. This paper focuses on reducing area utilization (logic components), low latency, and reducing power consumption. Five designs are proposed based on different techniques, in which the ROM approach …

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Comparative Study Of Three Saw Configurations For Temperature Sensing, Serhane R., Belkhelfa N. Mar 2026

Comparative Study Of Three Saw Configurations For Temperature Sensing, Serhane R., Belkhelfa N.

Engineering and Technology Journal

This paper demonstrates three SAW configurations' electrical and mechanical behaviors: a one-port resonator, a two-port resonator, and a delay line that works as temperature sensors of around 440 MHz characteristic frequencies. We investigate the sensitivity of the sensors for temperatures up to 200 °C. A linear behavior of the frequency shift versus temperature is observed; the resulting sensitivity of the sensors is evaluated at 22.74 ppm/°C for the one-port resonator, 23.17 for the two-port resonator, and 3.83 ns/°C for the delay line structure. The electromechanical coupling coefficient (k2) is 0.492 % for the delay line, 0.489 % for the one-port …

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The Energy-Efficient Control Solutions Of Smart Street Lighting Systems: A Review, Issues, And Recommendations, Tarek Abedin, Chong Tak Yaw, Siaw Paw Koh, M.A. Hannan, Sieh Kiong Tiong, Kok Hen Chong, Ahmed N Abdalla, Kharudin Ali Mar 2026

The Energy-Efficient Control Solutions Of Smart Street Lighting Systems: A Review, Issues, And Recommendations, Tarek Abedin, Chong Tak Yaw, Siaw Paw Koh, M.A. Hannan, Sieh Kiong Tiong, Kok Hen Chong, Ahmed N Abdalla, Kharudin Ali

Engineering and Technology Journal

The smart street-lighting system (SSLS) is a leading candidate in the smart city. By the time of the last 15 cycles, many meaningful improvements have been executed in the SSLS with the impact of the internet of things technologies and universal networking devices. Conventional smart street lighting systems are restricted to wireless sensor networks, mobile devices, and old lighting control systems. This article presents a comprehensive treatment of network designs, namely communication, control, and wireless sensor-based smart street lighting system by deploying based on their existing system architecture, and network topologies including leading with it a host of privileges. In …

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The Effect Of Vibrating Inner Cylinder On Natural Convective Heat Transfer In Concentric And Eccentric Horizontal Cylindrical Annuli, Baydaa Khudhair, Adel Saleh, Ali Ekaid Mar 2026

The Effect Of Vibrating Inner Cylinder On Natural Convective Heat Transfer In Concentric And Eccentric Horizontal Cylindrical Annuli, Baydaa Khudhair, Adel Saleh, Ali Ekaid

Engineering and Technology Journal

In this study, natural heat convection caused by centric and vertically eccentric long horizontal cylinders under the influence of vibration is experimentally investigated. The internal wall of the annulus is heated and kept at a constant heat flux, while the outside wall is cooled and maintained at a constant temperature. The vibration frequency impacts the annular convection heat transfer process and the effects of the Rayleigh number, heat flow, and eccentricity. This work employed a moderate, laminar-ranging Rayleigh number from (5×104 to 6.48×106), while the eccentricity range is varied from (-0.667, 0, and+0.667). The investigation is carried out at five …

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Smart Robot Vision For A Pick And Place Robotic System, Momena Mohammed, Mohanned Al-Khafaji, Tahseen Abbas Mar 2026

Smart Robot Vision For A Pick And Place Robotic System, Momena Mohammed, Mohanned Al-Khafaji, Tahseen Abbas

Engineering and Technology Journal

The main contribution of this paper is to develop an innovative algorithm to accurately detect and identify the shape and color of objects under various light intensities and find their location to be manipulated by a pick-and-place robotic arm. Workpieces of various shapes and colors are dispersed on the robot's work plane and manipulated according to its specifications. The proposed algorithm utilizes the HSV color model to distinguish between different object colors and shapes. The S channel is used to detect the shapes of objects. After that, a series of filters (Median, Bilateral, and Gaussian) are applied to reduce the …

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Martensitic Stainless Steel Brazing By Using Ag-Cu- Ti As Active Filler Metal Alloys, Salemah Muhammed, Fadhel Hashim, Ayad Hassan Mar 2026

Martensitic Stainless Steel Brazing By Using Ag-Cu- Ti As Active Filler Metal Alloys, Salemah Muhammed, Fadhel Hashim, Ayad Hassan

Engineering and Technology Journal

Brazing fillers for joining applications are essential to advanced material design and fabrication. Several types of brazing fillers have been developed in recent decades to join similar or different engineering materials. Important parts of automotive and aircraft components, including steel, are often joined by brazing. In this study, Similar samples of martensitic stainless steel were welded by the brazing method, using effective silver-based metal alloys. The brazing welding is done in inert gas atmosphere furnaces, by placing the samples in a special container filled with argon gas during the welding period and at a flow rate (10 to 15 minutes) …

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Nano-Structured Thin Films For Hydrogen-Permeation Barrier Applied On Aisi 1018 Steel Used In Petroleum Applications, Neam Mohammed, Bahaa Mahdi, Amin Thamir Mar 2026

Nano-Structured Thin Films For Hydrogen-Permeation Barrier Applied On Aisi 1018 Steel Used In Petroleum Applications, Neam Mohammed, Bahaa Mahdi, Amin Thamir

Engineering and Technology Journal

Hydrogen embrittlement is a diffusible Hydrogen that is harmful to the toughness of iron. It follows, therefore, that the harmful influence of diffusible Hydrogen can be mitigated by preventing its entry into steel. This approach was achieved by usingthree coating layersas a coating nanostructure thin layer by DC sputtering on steel structural (AISI l018) and hydrogen charging (HC) effect on uncoated and different Nano coated tensile specimens. The first layer was Titanium as a bonding layer, the second layer was TiO2 with Al2O3, and the third layer was Al2O3. Using a titanium Nano layer coating on AISI1018 steel tensile specimens …

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Soft Computing Models To Predict The Compaction Characteristics From Physical Soil Properties, Hunar Hama Ali Mar 2026

Soft Computing Models To Predict The Compaction Characteristics From Physical Soil Properties, Hunar Hama Ali

Engineering and Technology Journal

In almost every earthwork, it is essential to compact soil so that the densest possible state of the soil can be achieved. The suitability of soil for earthworks relies on the compaction characteristics; Optimum Moisture Content (OMC), and Maximum Dry Density (MDD). The determination of the compaction characteristics in the laboratory, for a vast volume of soil, is time-consuming. Therefore, for the initial assessment of soil, it is crucial to determine the compaction characteristics from physical soil properties. In this work, three different models of the Artificial Neural Network (ANN), M5P-tree, and Multiple Linear Regression (MLR) are used to predict …

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Stress Analysis Of Transversely Loaded Isotropic Three-Dimensional Plates Using A Polynomial Shear Deformation Theory, Festus Onyeka, B. Mama, Chidobere Nwa-David Mar 2026

Stress Analysis Of Transversely Loaded Isotropic Three-Dimensional Plates Using A Polynomial Shear Deformation Theory, Festus Onyeka, B. Mama, Chidobere Nwa-David

Engineering and Technology Journal

An exact solution for the bending attributes of a thick rectangular plate under transverse loading is modeled herein using three-dimensional (3-D) elasticity plate theory and fourth-order polynomial shear deformation function. Precluding coefficients of shear correction, this model captured the effect of shear deformation along with the transverse normal strain stress. The expression for total potential energy was derived from a 3-D kinematic and constitutive relation the equilibrium equation was developed and employed from the energy functional transformation to get the relationship between slope and deflection. Exact polynomial functions were obtained from the outcome of the equilibrium equation and with the …

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E-Voting System Based On Ethereum Blockchain Technology Using Ganache And Remix Environments, Hind Hassan, Rehab Hassan, Ekhlas Gbashi Mar 2026

E-Voting System Based On Ethereum Blockchain Technology Using Ganache And Remix Environments, Hind Hassan, Rehab Hassan, Ekhlas Gbashi

Engineering and Technology Journal

Abstract—In the second decade of the twenty-first century, blockchain is considered one of the most popular computer technologies. Blockchain is a zero-trust network, making it a potent tool for various services provided that people are ready to believe and invest in it. In the Ethereum world, the blockchain runs on smart contracts, self-executing applications that come at the cost of security. As technology is used increasingly, Election is facing new issues of trust and management. Therefore, E-voting systems are increasingly acceptable because they are more accurate, reliable, practical,6 and secure. This research purpose is to propose a decentralized elections application …

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Improved Design For The High Gain Wideband Matrix Amplifiers Using Differential Cells And Microwave Cmos Technology, Saeed Ridha, Azad Kareem, Ashwaq Hameed Mar 2026

Improved Design For The High Gain Wideband Matrix Amplifiers Using Differential Cells And Microwave Cmos Technology, Saeed Ridha, Azad Kareem, Ashwaq Hameed

Engineering and Technology Journal

The Matrix Amplifier is a structure designed to increase the gain of the wideband distributed amplifiers. A matrix amplifier is used to improve the pass-band gain while preserving the dispersed design-wide characteristics to use the multiplicative gain mechanism. In this paper, the matrix distributed amplifier methodology is developed using differential cells instead of active amplifier cells to improve the wideband characteristics. Shunt capacitances are connected in the centerline to absorb the peaking impact at a cut-off frequency and reduce gain ripples. As an application of the ideas and concepts of matrix amplifiers, a modified step-by-step design of rows 4 and …

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Cnn-Based Visual Localization For Autonomous Vehicles Under Different Weather Conditions, Shahad Ghintab, Mohammed Hassan Mar 2026

Cnn-Based Visual Localization For Autonomous Vehicles Under Different Weather Conditions, Shahad Ghintab, Mohammed Hassan

Engineering and Technology Journal

Autonomous vehicles (AV) are expected to improve, transform, and revolutionize ground transportation. Previous techniques are dependent on localization employing pricey inaccuracy Global Positioning sensor. Furthermore, the performance loss is caused by drifting errors of Simultaneous Localization and Mapping. Regarding categorizing and analyzing texture, cameras are much more accessible and practical. This work contributes to obtaining high accuracy for AV localization and reducing errors in predicted positions. Based on the light, accurate, and robust proposed Convolutional Neural Network (CNN), it will scale down the computational complexity and shorten the training time. Considering various weather and time of day conditions such as …

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A Modification Of Shortest Path Algorithm According To Adjustable Weights Based On Dijkstra Algorithm, Luay Jabbar, Eyad Abass, Sundus Hasan Mar 2026

A Modification Of Shortest Path Algorithm According To Adjustable Weights Based On Dijkstra Algorithm, Luay Jabbar, Eyad Abass, Sundus Hasan

Engineering and Technology Journal

It is possible to represent the road map on the paper and study it using Dijkstra`s algorithm to find the shortest path on the real earth. Dijkstra`s Algorithms are used for calculating the shortest path from source to sink to enable query operations that follow. Dynamic shortest-route techniques are needed to accommodate the modifications within the underlying community topology. Every solution includes figuring out the nodes whose shortest routes could be impacted through the updates and producing a list of affected vertices and their updated shortest pathways. In this work, the advent of the retroactive priority queue information structure makes …

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Reliability Assessment Based On Optimal Dgs Planning In The Distribution Systems, Ali Jaleel, Mohammed Abd Mar 2026

Reliability Assessment Based On Optimal Dgs Planning In The Distribution Systems, Ali Jaleel, Mohammed Abd

Engineering and Technology Journal

Due to increased load demands, distribution systems suffer from high power losses, low voltage levels, high current, and low reliability. To solve these problems, integrate distributed generator units (DG) into the distribution system. DG units are among the most popular methods of improving distribution system reliability, power losses, and bus voltage improvement through the placement and selection of distributed generator units in an optimal location and size. This work proposed Enhanced Particle Swarm Optimization (EPSO) technology to find the optimum location and size of DG units to reduce power losses, improve bus voltage level, and employed the Transient Electricity Analyzer …

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Gaussian Process For Gps Receiver Predictor And Ins Gps Integration, Nawras Ahmed, Sameir Aziez, Ali Khenyab Mar 2026

Gaussian Process For Gps Receiver Predictor And Ins Gps Integration, Nawras Ahmed, Sameir Aziez, Ali Khenyab

Engineering and Technology Journal

Global Positioning System (GPS) has become important and necessary in daily life.  It is possible to reach any destination using GPS, which is included in many lands and marine applications.  In this work, GPS was applied to a real navigation boat, integrated with the inertial navigation system (INS) device, and installed on the boat. The navigational devices were linked to the (mission planer) program, through which the results of the navigation process were shown. The system can provide better navigation performance accuracy and reliability due to the integration between GPS and INS. The data extracted from the navigation devices are …

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The Effect Of Eichhornia Crassipes Biodiesel/Lpg Dual-Fuel On Performance And Emissions In A Single-Cylinder Compression Ignition Engine, Hawraa Mohammed, Mahmoud Mashkour Mar 2026

The Effect Of Eichhornia Crassipes Biodiesel/Lpg Dual-Fuel On Performance And Emissions In A Single-Cylinder Compression Ignition Engine, Hawraa Mohammed, Mahmoud Mashkour

Engineering and Technology Journal

This study investigates the effects of Eichhornia Crassipes Biodiesel (ECB) with liquefied petroleum gas (LPG) dual-fuel on diesel engine performance and exhaust emissions characteristics. A four-stroke, single-cylinder and water-cooled diesel engine was used. The engine was operated with pure Iraqi diesel (PID) as a reference fuel, 40% ECB-60% PID, and duel fuel mode (DFM) (40% ECB-60% PID-2.4 l/min LPG). The experimental testing was carried out at 1500 rpm constant engine speed, compression ratio 18, and time injection 23° bTDC under various load conditions (25%, 50%, 75%, and 100%) full load. Using a gas analyzer, the engine emissions, including carbon dioxide …

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The Effect Of Rectangular Grooves On The Lubrication Mechanism In An Inclined Slider Bearing, Muhannad M.Mrah, Ammar S.Hamid Merza Mar 2026

The Effect Of Rectangular Grooves On The Lubrication Mechanism In An Inclined Slider Bearing, Muhannad M.Mrah, Ammar S.Hamid Merza

Engineering and Technology Journal

This research aims to study the effect of rectangular grooves on the lubrication mechanism in an inclined slider bearing. Reynolds' equation was used in the theory part to calculate the pressure gradient in a one-dimensional fluid film. The tilted sliding bearing compared the practical results, where the researcher manufactured and developed the device by adding pressure sensors along with the pad. These sensors will give accurate readings because they will read the pressure directly from the bottom of the pads without manometer tubes. Four pads were manufactured, one without grooves and three with rectangular grooves, varying slot widths (3, 5, …

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Omnidirectional Mobil Robot With Navigation Using Slam, Hiba Najim, Iman Kareem, Wisam Abdul-Lateef Mar 2026

Omnidirectional Mobil Robot With Navigation Using Slam, Hiba Najim, Iman Kareem, Wisam Abdul-Lateef

Engineering and Technology Journal

As mobile robots have become widespread in indoor environments with narrow and crowded corridors, such as institutions, the demand for mobile robots has recently increased, especially for service purposes (homes, hospitals, and nursing homes for the elderly). The most important factor of autonomous navigation is the mobile robot's awareness of its surroundings, with the robot's ability to move from one place to another smoothly and safely in terms of avoiding obstacles. In this paper, a mobile robot with multi-directional wheels was designed to work in indoor environments and narrow corridors. SLAM was used to map the environment in which the …

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Investigation Of Offshore Wind Turbine Structure Deflection Using Experimental Work, Numerical, And Theoretical Approach, Hayder Ali, Hassan M. Alwan, Israa Al-Esbe, Kochneva V Mar 2026

Investigation Of Offshore Wind Turbine Structure Deflection Using Experimental Work, Numerical, And Theoretical Approach, Hayder Ali, Hassan M. Alwan, Israa Al-Esbe, Kochneva V

Engineering and Technology Journal

Electrical energy from offshore wind turbines is an important source of clean, renewable energy production. One of the reasons for the low efficiency of wind turbines is the change in the flow angle of attack, denoted by the symbol (α), as a result of the deflection of the structure. The study aims to know the values of the maximum deflection of the proposed structure under the environmental conditions of the Arabian Gulf water area. Our research adopted a novel approach to extracting results; the characteristics of sea waves were extracted from the experimental work after fixing five sea waves, knowing …

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Determination Of Draught Requirement Of Single-Furrow Mouldboard Plough In Sandy Loam Soil In Yola, Northeastern Nigeria, Kabri, U. Mar 2026

Determination Of Draught Requirement Of Single-Furrow Mouldboard Plough In Sandy Loam Soil In Yola, Northeastern Nigeria, Kabri, U.

Engineering and Technology Journal

The draught requirement of a single-furrow animal-drawn mouldboard plough implement was determined on sandy loam soils from June to July 2021 at Modibbo Adama University, Yola. The effect of speeds (0.65, 0.83, and 1.05 ms-1) and depths (8, 13, and 18 cm) upon the draught was investigated. Soil analysis, animal specification, and results of tillage experiments are reported. A pair of oxen weighing 538 kg was used as a power source.  A 1 x 3 x 3 factorial experimental design was arranged in a Randomized Complete Design (RCD) for the study on a test plot of 50 m long x …

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Numerical And Experimental Investigation Of Heat Transfer Enhancement By Hybrid Nanofluid And Twisted Tape, Noor Hamza, Sattar Aljabair Mar 2026

Numerical And Experimental Investigation Of Heat Transfer Enhancement By Hybrid Nanofluid And Twisted Tape, Noor Hamza, Sattar Aljabair

Engineering and Technology Journal

This paper presents an experimental and numerical study to investigate the heat transfer enhancement in a horizontal circular tube using hybrid nanofluid (CuO, Al₂O₃/ distilled water) and fitted with twisted tape (typical twisted tape, with twist ratios (TR=9.2). Under fully developed turbulent flow and uniform heat flux conditions, the studied hybrid nanofluid concentrations are (=0.6, 1.22, and 1.8% by volume). The experimental test rig includes all the required instruments to study the heat transfer enhancement. All the tests were carried out with a Reynolds number range of 3560-8320 and uniform heat flux (13217.5 W/m². The twisted tape, manufactured from polylactic …

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Numerical Investigation Of Thermal-Hydraulic Performance Of Printed Circuit Heat Exchanger With Different Fin Shape Inserts, Ali Aljelawy, Amer Aldabbagh, Falah Hatem Mar 2026

Numerical Investigation Of Thermal-Hydraulic Performance Of Printed Circuit Heat Exchanger With Different Fin Shape Inserts, Ali Aljelawy, Amer Aldabbagh, Falah Hatem

Engineering and Technology Journal

The printed circuit heat exchanger is one of the most recent important heat exchangers, especially in the nuclear power plant and aerospace applications, due to its very compact geometry and small print foot. This paper presents a 3D numerical investigation of the thermo-hydraulic performance of PCHE with a new non-uniform channel design configuration. The new channel design consists of two different fins and shape inserts: the diamond and biconvex shapes. The influence of two design parameters on the heat exchanger performance was studied and optimized, the longitudinal and transverse pitch length (Pl) and (Pt). Air with constant properties as the …

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Design And Implementation Of A Smart Greenhouse Automated And Conditioned By Solar Power System, Sura Hassan, Abdullateef Jadallah, Ghassan Bilal Mar 2026

Design And Implementation Of A Smart Greenhouse Automated And Conditioned By Solar Power System, Sura Hassan, Abdullateef Jadallah, Ghassan Bilal

Engineering and Technology Journal

Photosynthesis requires additional energy. Such energy can be obtained by building a greenhouse, which traps sunlight's heat. The primary challenge in greenhouse growing is stabilizing temperature swings. Adapting conventional heating and cooling systems can provide additional energy to the greenhouse. In the greenhouse, solar energy is a vital energy source that is directly connected to the power supply. The greenhouse control systems have been adapted and implemented to meet the demands of plant cultivation due to wireless automation, design, control, and monitoring services. This study provides an effective automation system for greenhouses. It lowers the power, leads to consumption, and …

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Nonlinear 3d Finite Element Model For Round Composite Columns Under Various Eccentricity Loads, Dara Mawlood, Serwan Rafiq Mar 2026

Nonlinear 3d Finite Element Model For Round Composite Columns Under Various Eccentricity Loads, Dara Mawlood, Serwan Rafiq

Engineering and Technology Journal

Composite columns are often used in constructing high-rise structures because they can reduce the size of a building's columns while increasing the usable area in the floor plan. This research aimed to develop a nonlinear 3D finite element analysis model using the ABAQUS, version 6.13-4, of various round composite column designs with varied multi-skin of tubes for solid and hollow columns subjected to various eccentricity loads (90, 180 mm). Extended data to another 12 specimens of composite columns by numerical method, based on six references experimental data of composite columns. The results of ABAQUS data in this study show that; …

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Ecotourist And Picnic Area Assessment Using Ahp Analytical Tools In Sulaimani– Tourism Region, Iraq, Awa Ahmad, Ako Hama, Imzahim Alwan Mar 2026

Ecotourist And Picnic Area Assessment Using Ahp Analytical Tools In Sulaimani– Tourism Region, Iraq, Awa Ahmad, Ako Hama, Imzahim Alwan

Engineering and Technology Journal

Renovation of the naturally existing area for ecotourist and investments that attracting site-visitors, picnickers and tourists for Iraq, Kurdistan Region, Sulaimani need to promote a reliable decision-making technique so as to raise the level of the tourist-based economy. In this study, the most available public well known and recognized tourist and picnic area by the people and associated governmental directories were studied and assessed for their tourism reliability and capacity. The study area of this research covered tourist area and they were forty-three (43) locations and all the related data collected, analyzed and categorized as main and sub-main criterions. The …

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Analytical Solution For The Static Bending Elastic Analysis Of Thick Rectangular Plate Structures Using 3-D Plate Theory, Festus Onyeka, Chidobere Nwa-David, Thompsom Edozie Mar 2026

Analytical Solution For The Static Bending Elastic Analysis Of Thick Rectangular Plate Structures Using 3-D Plate Theory, Festus Onyeka, Chidobere Nwa-David, Thompsom Edozie

Engineering and Technology Journal

In the current work, an analytical solution for static bending analysis of the thick rectangular plate structure was obtained using three-dimensional plate theory. First, the energy equation was formulated from the static elastic principles and transformed into a compatibility equation through general variation to get the slope and deflection relationship. The solution of the compatibility equation gave rise to the exact polynomial deflection function. In contrast, the coefficient of deflection and shear deformation of the plate was obtained from the governing equation through the direct variation method. These solutions were used to obtain the characteristic expression for analyzing the displacement …

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Potential Impact Of Global Warming On Climate And Streamflow Of Adhaim River Basin, Iraq, Fouad Saeed, Mahmoud S. Al-Khafaji, Furat Al-Faraj Mar 2026

Potential Impact Of Global Warming On Climate And Streamflow Of Adhaim River Basin, Iraq, Fouad Saeed, Mahmoud S. Al-Khafaji, Furat Al-Faraj

Engineering and Technology Journal

Global warming induces to increase of greenhouse gases in the atmosphere and plays a crucial role in determining the future trend in climatology and hydrology of a watershed. This paper aims to investigate the implications of global warming on future climate and its consequents on streamflow of the Adhaim River Basin (ARB). For this purpose, the Long Ashton Research Station-Weather Generator (LARS-WG) and Soil and Water Assessment Tool (SWAT)-Based models were implemented. The climate and hydrologic records for the period 1990-2019 were used as a Reference Period (RP) and projected to 2080 under Representative Concentration Pathways (RCPs 2.6, 4.5, and …

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