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Utilizing Remote Sensing And Aerogeophysical Data For Spatial Decision Support System For Optimal Gold Mineralization Site Identification In North-Central Nigeria, Abdullahi S., Ejepu S. Mar 2026

Utilizing Remote Sensing And Aerogeophysical Data For Spatial Decision Support System For Optimal Gold Mineralization Site Identification In North-Central Nigeria, Abdullahi S., Ejepu S.

Engineering and Technology Journal

This study presents a comprehensive investigation utilizing remote sensing data and aerogeophysical datasets to identify potential economic gold mineralization sites in Zungeru, North-Central Nigeria. The research objectives include understanding the structural setting, mapping lithologic contacts, and detecting hydrothermally altered zones. Spatial suitability analysis was conducted on processed datasets. Feature-Oriented Principal Component Analysis (Crosta approach) was applied to selected Landsat 8 OLI imagery bands for mapping hydroxyl and iron oxide alterations. Additionally, regional topographic lineaments were mapped using SRTM DEM, and subsurface lineaments were identified using aeromagnetic data. Interpretation of the aeromagnetic data revealed complex anomalies associated with various structural characteristics, …

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Applications Of Artificial Intelligence In Nanotechnology, Shahad Eabd Alrida, Ola Obed, Elaf Taha, Thamer Abdullah, Mustafa Hathal, Viola Somogyi Mar 2026

Applications Of Artificial Intelligence In Nanotechnology, Shahad Eabd Alrida, Ola Obed, Elaf Taha, Thamer Abdullah, Mustafa Hathal, Viola Somogyi

Engineering and Technology Journal

Artificial intelligence (AI) is emerging as a prominent technological advancement. It is the act of replicating human intelligence for many purposes. In contrast to conventional methodologies, artificial intelligence (AI) is undergoing tremendous advancements. The present state of artificial intelligence (AI) technology enables them to effectively address numerous intricate difficulties with proficiency comparable to a human's. The significance of advancements in AI is particularly evident in machine learning, where the techniques and algorithms are effectively applied to address many problems, including those in nanotechnology. In contemporary nanotechnology, it is crucial to expedite the search for the most favorable synthesis parameters while …

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A Model Predictive Control-Based Statcom For Weak Grid Voltage Enhancement, Adeola Balogun, Emeka Esenwa, Sunday Adetona, Ayobami Olajube, Ayokunle Awelewa, Frank Okafor Mar 2026

A Model Predictive Control-Based Statcom For Weak Grid Voltage Enhancement, Adeola Balogun, Emeka Esenwa, Sunday Adetona, Ayobami Olajube, Ayokunle Awelewa, Frank Okafor

Engineering and Technology Journal

This paper presents a model predictive control (MPC) technique for the control of reactive power flow from a static synchronous compensator (STATCOM) into a weak power system network. The MPC strategy enables the STATCOM to mitigate weak phase voltage magnitudes in a distribution grid. The weak voltage magnitudes usually emanate from large inductive loads connected to the grid’s point of common coupling (PCC). The MPC utilizes a finite control set of voltage vectors to minimize a cost function, which reduces the errors between set references and the corresponding predicted variables. The references in the cost function are set by two …

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Control System Design Of A Pin-On-Disc Wear Machine Using Plc, Huda Mohammed, Khansaa Salman Abed, Ahmed Reja Mar 2026

Control System Design Of A Pin-On-Disc Wear Machine Using Plc, Huda Mohammed, Khansaa Salman Abed, Ahmed Reja

Engineering and Technology Journal

This study presents the design and implementation of a control system for a Pin-on-Disc wear testing machine using a Programmable Logic Controller (PLC). The novel approach employed involves adjusting the applied pressure on the pin, rather than the conventional method of altering weights, to evaluate the impact of varying loads on the wear rate. This method enhanced the accuracy of wear results by 25% compared to traditional techniques. The control system was developed and implemented with a Human-Machine Interface (HMI) that interacts with the PLC to control and monitor key parameters, including applied load, temperature, rotational speed, sliding time, and …

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Anfis Control Of Four-Quadrant Dc/Dc Chopper For Wireless Ev Charging, Hawraa Hameed, Hosham Anead, Khalid Sultan Mar 2026

Anfis Control Of Four-Quadrant Dc/Dc Chopper For Wireless Ev Charging, Hawraa Hameed, Hosham Anead, Khalid Sultan

Engineering and Technology Journal

Wireless charging of electric vehicles (EVs) poses issues like power ripples that reduce battery lifetime. This study proposes a four-quadrant DC/DC chopper controlled by an adaptive neuro-fuzzy controller (ANFIS) for wireless EV charging. The system is modeled and simulated in Matlab/Simulink. Compared to a PI-PSO controller, the proposed ANFIS control reduced the ripple factor in power over half to about 0.7% and optimized stability and efficiency. Though settling time increased, the difference in rise time was negligible. Future work will improve dynamic response. The ANFIS-controlled DC/DC chopper enhances wireless charging performance with minimal power ripples for safe, efficient EV power …

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Realization Of An All-Optical D And T Flip Flops With Nano-Structure Using Hybrid Plasmonic Waveguides, Saif Abdulwahid, Ahmed Wadday, Sinan Abdul Sattar Mar 2026

Realization Of An All-Optical D And T Flip Flops With Nano-Structure Using Hybrid Plasmonic Waveguides, Saif Abdulwahid, Ahmed Wadday, Sinan Abdul Sattar

Engineering and Technology Journal

Surface waves are electromagnetic waves propagating along the interface between a metal and an insulator. Surface waves break the diffraction limits and enable light to propagate in sub-wavelength structures. That opens the field of electro-opto devices. The main drawbacks of surface waves that move in the Plasmonic Waveguides (PWs) are propagation loss and low light confinement. Using a combination of the plasmonic waveguide and a Dielectric Waveguide (DW), the defect of the surface waves can be enhanced, and the Hybrid Plasmonic waveguide (HPW) is introduced. In this research, the design of an all-optical flip flop with 400 nm × 400 …

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Effect Of The Material Properties Of The Rotor-Disc On The Performance Of Eddy Current Braking Systems, Ahmed Salman, Jamal Mohammed, Farag Mohammed Mar 2026

Effect Of The Material Properties Of The Rotor-Disc On The Performance Of Eddy Current Braking Systems, Ahmed Salman, Jamal Mohammed, Farag Mohammed

Engineering and Technology Journal

Failure of traditional brakes occurs due to raised temperatures and the formation of structural fractures caused by wear and strain. For resolving mechanical brake problems, consider employing contactless braking technology, also known as eddy current braking, which offers a smoother deceleration. This research aims to assess the suitability of multi-materials for designing brake discs (ECBs) for use in automobiles. The choice of material for the rotor disc is crucial in the design of eddy current brakes. Different material factors impact the performance of these brakes. Therefore, there is a need for a material that possesses superior mechanical properties, high electrical …

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Effect Of Nano And Nanocomposite Coating On Pool Boiling Heat Transfer, Ali Al-Obaidy, Ekhlas Fayyadh, Amer Al-Dabagh Mar 2026

Effect Of Nano And Nanocomposite Coating On Pool Boiling Heat Transfer, Ali Al-Obaidy, Ekhlas Fayyadh, Amer Al-Dabagh

Engineering and Technology Journal

High heat generation is the main problem that sophisticated electronic devices can suffer. The pool boiling process can offer an excellent heat dispassion at constant temperatures. Therefore, it is one of the most powerful cooling processes used in nuclear power plants, data centers, air conditioning, etc. Because of that, enhancing pool boiling has become a goal of many recent investigations. The current paper presents an experimental study to evaluate the effect of nano and nanocomposite coating on the performance of pool boiling of deionized water under atmospheric pressure. Four surfaces made of copper were used in this study: smooth, CNT …

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Parametric Analysis For Performance And Emissions Of Gasoline Direct Injection Engine Using Mathematical Modelling, Omar Yousif, Mahmoud Mashkour Mar 2026

Parametric Analysis For Performance And Emissions Of Gasoline Direct Injection Engine Using Mathematical Modelling, Omar Yousif, Mahmoud Mashkour

Engineering and Technology Journal

The study aims to estimate the performance and emissions of a gasoline direct injection (GDI) engine by analyzing parameters such as engine speed between 2000 and 6000 rpm, compression ratio (CR) between 9 and 13, and the start of ignition between 140 and 180 deg. A thermodynamic mathematical model was developed using MATLAB to simulate the two-zone combustion process of a four-cylinder, four-stroke direct injection engine operating on gasoline at specified parameters. The results showed that parameter variations greatly affect the performance and emissions of the GDI engine. The highest values of in-cylinder pressure, burned and unburned temperature, cumulative engine …

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Effect Of Tool Profile On Micro Hardness, Forming Limit, And Final Thickness In Incremental Hole Flanging Process Of Dc01 Steel And Aa1050 Sheet Metals, Hunar M. Ali, Hameed Lafta, Ayad Shahab Mar 2026

Effect Of Tool Profile On Micro Hardness, Forming Limit, And Final Thickness In Incremental Hole Flanging Process Of Dc01 Steel And Aa1050 Sheet Metals, Hunar M. Ali, Hameed Lafta, Ayad Shahab

Engineering and Technology Journal

The present study delves into the incremental hole flanging process applied to AA1050 and DC01 sheet metals with 0.7 and 1 mm thicknesses. Employing a distinctive lathe-based fixture, the process utilizes a proposed tool profile and fixture incorporating mutually spinning and rolling motions. The investigation covers three forming angles (72°, 90°, and 45°) and three different rotational forming speeds (170, 350, and 525 RPM). The primary objective is to assess the impact of tool forming angle, forming speeds on microhardness, thickness ratio, and forming limit diagram. The study employs a microhardness test, measurements of flange height, and final thickness. Results …

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Experimental Analysis And Combustion Characteristics Of Briquettes From Different Wood In Nigeria, Oluwaseyi Alabi, Timothy Adeyi, Sakiru Ekun Mar 2026

Experimental Analysis And Combustion Characteristics Of Briquettes From Different Wood In Nigeria, Oluwaseyi Alabi, Timothy Adeyi, Sakiru Ekun

Engineering and Technology Journal

The increasing demand for sustainable and renewable energy sources has prompted extensive research into alternative biomass fuels, particularly in regions like Nigeria, where traditional wood-based fuels are prevalent. A comprehensive experimental analysis of briquettes derived from various wood sources found in Nigeria aims to assess their combustion characteristics and potential as a viable alternative to traditional fuels. The selected wood species include indigenous varieties known for their abundance and accessibility. This study examines the physical and thermal properties of briquettes made from six wood types commonly found in Nigeria: Ayo, Obobo, Obeche, Araba, Afara, and Eku. From the experiment study, …

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Design And Manufacturing Of Custom 3d Printed Bone Implants, Zaineb Neamah, Luma Al-Kindi, Ghassan Al-Kindi Mar 2026

Design And Manufacturing Of Custom 3d Printed Bone Implants, Zaineb Neamah, Luma Al-Kindi, Ghassan Al-Kindi

Engineering and Technology Journal

In medical surgery, a customized implant is often required to meet surgical requirements, especially in cases with complicated or traumatic deformities. The emerging techniques of additive manufacturing, e.g., 3D printing, may help provide a quick response to such needs, provided that a valid approach capturing required implant shape data is generated and processed to better suit 3D printing. Different materials, including biocompatible polymer and metal, may suit medical-surgical applications. In this paper, an investigation is conducted to assess 3D printing technology use as part of a full system, from capturing implant shape data to producing the customized implant. The investigation …

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Experimental And Multi-Optimization Investigation Of Machining (X210) Alloy Steel Using Angled Edm Electrodes, Ahmed Abbas, Ali Khleif Mar 2026

Experimental And Multi-Optimization Investigation Of Machining (X210) Alloy Steel Using Angled Edm Electrodes, Ahmed Abbas, Ali Khleif

Engineering and Technology Journal

Electrical Discharging Machining (EDM) offers broad capabilities that allow it to be used in the manufacturing, automotive, and aviation industries, as well as practically all disciplines of conductive material machining. This experimental and numerical work aims to use EDM to evaluate the surface of Alloy Steel (X210). The experiments used the EDM copper electrode with a novel horizontal flushing hole. The findings of the investigations have been analyzed so that the best settings for the input process factors can be determined. Alloy tool steel (X210) is cut in dimensions by the Wire EDM (dk7740) (15 × 15 × 10 mm) …

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Evaluating Land Use Land Cover Classification Based On Machine Learning Algorithms, Basheer Jasim, Oday Jasim, Amjed Al-Hameedawi Mar 2026

Evaluating Land Use Land Cover Classification Based On Machine Learning Algorithms, Basheer Jasim, Oday Jasim, Amjed Al-Hameedawi

Engineering and Technology Journal

Image classification depends substantially on the remote sensing method to generate maps of land use and land cover. This study used machine learning algorithms for classifying land cover, evaluating algorithms, and choosing the best way based on accuracy assessment matrices for land cover classifications. Satellite images from the Landsat by the United States Geological Survey (USGS) were used to classify the Babylon Governorate Land Use Land Cover (LULC). This study employed multispectral satellite images utilizing a spatial resolution of 30 meters and organized the data using three different algorithms to see the most accuracy. The process of categorization was carried …

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Drought Forecasting Model For Future Climate Change Effects In A Regional Catchment Area In Northern Iraq, Nasser Muhaisen, Thair Khayyun, Mustafa Al-Mukhtar Mar 2026

Drought Forecasting Model For Future Climate Change Effects In A Regional Catchment Area In Northern Iraq, Nasser Muhaisen, Thair Khayyun, Mustafa Al-Mukhtar

Engineering and Technology Journal

Climate change plays a crucial role in shaping the hydrological dynamics of rivers owing to its immediate implications on the driving meteorological parameters. Therefore, Understanding climate change and its implications is essential for sustainable water resource management. This study aims to assess the extent of climate change and its effects on streamflow in the Mosul Dam watershed Under three global warming Representative Concentration Pathways scenarios (i.e., 2.6, 4.5, and 8.5) based on mean climate data extracted from four Global Circulation Models (i.e., Beijing Climate Center, China, Commonwealth Scientific and Industrial Research Organization, Australia, Met Office Hadley Center, United Kingdom, and …

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Recycling Of Waste Papers: Yield And Quality Of The Ash-Derived Materials, Ubong Robert, Sunday Etuk, Okechukwu Agbasi, Prosperity Ambrose, Rowland Adewumi Mar 2026

Recycling Of Waste Papers: Yield And Quality Of The Ash-Derived Materials, Ubong Robert, Sunday Etuk, Okechukwu Agbasi, Prosperity Ambrose, Rowland Adewumi

Engineering and Technology Journal

This research was designed to assess the yield and quality of ash prepared from different types of waste papers. Waste newspapers, writing papers, and cartons were selected for combustion to obtain the ashes and coded as WNPA, WWPA, and WCPA, respectively. The waste papers were incinerated simultaneously in separate but identical incinerators at 850 ℃. An experiment on the yield of the ashes was performed on two days before the ashes obtained were mixed based on the type of waste papers from which they were derived. The results showed that irrespective of the day and time, the WCPA was the …

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Effect Of The Stochastic Weibull Parameters On The Reliability Of The Dialysis Machine, Sofiene Fenina, Souheyl Jendoubi, Faker Bouchoucha Mar 2026

Effect Of The Stochastic Weibull Parameters On The Reliability Of The Dialysis Machine, Sofiene Fenina, Souheyl Jendoubi, Faker Bouchoucha

Engineering and Technology Journal

Dialysis machines operate in an uncertain environment with several sources of disturbances; therefore, it is necessary to take account of the uncertainties during all their life phases. This paper presents a study of the random reliability of the dialysis machine in a stochastic environment through the two-parameter for Weibull distribution. The shape and scale parameters were estimated through analytical and graphical methods based on the failure history of the devices. The formulation of the analytical methods and their exploitation using numerical simulations was one of the objectives of this work. The uncertainties in the stochastic environment of the machines are …

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Impact Of The Upfc On The Optimal Transmission Switching For Cutting Down Market Power Cost, Sunday Adetona, Makanjuola Adetola, Frank Okafor, Nwabueze Ubakanwa Mar 2026

Impact Of The Upfc On The Optimal Transmission Switching For Cutting Down Market Power Cost, Sunday Adetona, Makanjuola Adetola, Frank Okafor, Nwabueze Ubakanwa

Engineering and Technology Journal

The exercise of market power by the strategic generating companies (gencos) in the deregulated wholesale electricity market (WEM) should be mitigated, as it results in higher wholesale prices of electricity and a drop in competition in the WEM. Consequently, Optimal Transmission Switching (OTS) has been proposed as a means by which the System Operator in the WEM can use to mitigate it. It is also imperative that the effect of the Unified Power Flow Controller (UPFC) on reducing the cost due to the market power using OTS must be investigated. Therefore, this study used the Fast Voltage Stability Index (FVSI) …

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Detection Of Arabic Sign Language By Machine Learning Techniques With Pca And Lda, Mosab Hassan, Atheer Sabri, Alaa Ali Mar 2026

Detection Of Arabic Sign Language By Machine Learning Techniques With Pca And Lda, Mosab Hassan, Atheer Sabri, Alaa Ali

Engineering and Technology Journal

People need a communication channel and a way to communicate with a person or group. Deaf people communicate with others through sign language. The remarkable and rapid development in image and video recognition systems has made researchers use this development to solve many problems, including sign language for the deaf, and reduce their suffering in communicating with ordinary people. This work aims to use and apply machine learning technology to build an automatic recognition system for Arabic Sign Language (ArSL). In this work, images of ArSL characters were recognized using four classification techniques (Naïve Bayes (NB), Decision Trees (DTs), and …

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Lora Sensor Node Mounted On Drone For Monitoring Industrial Area Gas Pollution, Muthna Fadhil, Sadik Gharghan, Thamir Saeed Mar 2026

Lora Sensor Node Mounted On Drone For Monitoring Industrial Area Gas Pollution, Muthna Fadhil, Sadik Gharghan, Thamir Saeed

Engineering and Technology Journal

One of the biggest threats to human health is air pollution, which significantly influences people. Due to challenges like industrial and rural locations, where sensing frequently falls short of providing sufficient information about air quality, it is challenging to collect data close to pollution sources. Government-led statically deployed stationary monitors are typically used for air quality monitoring. However, many emissions that contribute to air pollution are erratic and unpredictable. A significant problem for environmental protection will be how to monitor air pollution emissions dynamically and efficiently. It can fulfill two objectives. The first is that if the Unmanned Aerial Vehicle …

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The Electrical And Mechanical Aspects Of Aluminum And Copper Resistance Spot Weld Joints, Marwah Fakhri, Ibtihal Mahmood, Ahmed Al-Mukhtar Mar 2026

The Electrical And Mechanical Aspects Of Aluminum And Copper Resistance Spot Weld Joints, Marwah Fakhri, Ibtihal Mahmood, Ahmed Al-Mukhtar

Engineering and Technology Journal

Resistance spot welding (RSW) is widely used in the automotive industry, particularly for copper-aluminum alloys in electric cars. RSW joint conductivity is crucial for electric vehicles. Welded parts may fracture due to tension, altering conductivity. The study examines resistance spot post-weld joint metallurgy and deformation-induced conductivity changes. The electric resistance of similar and dissimilar RSW joints was examined during tensile tests. Metallurgical tests for RSW joints revealed an increase in grain size from the base metal (BM) to the heat-affected zone (HAZ) and finally the fusion zone (FZ). Satisfactory shear tension strength results were obtained for dissimilar joints (Al-Cu) at …

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Improving The Charging Rate And Energy Recovery Of Triplex Tube Heat Storage-Based Pcm With Mono/Hybrid Nanoparticles, Ibrahim Sadiq, Sattar Aljabair, Abdulhassan Karamallah Mar 2026

Improving The Charging Rate And Energy Recovery Of Triplex Tube Heat Storage-Based Pcm With Mono/Hybrid Nanoparticles, Ibrahim Sadiq, Sattar Aljabair, Abdulhassan Karamallah

Engineering and Technology Journal

Latent thermal energy storage systems are widely utilized to match the inequality between heat supply and demand. Despite these systems' wide range of uses in various applications, their high potential is limited by the slow charging rate. The target of this study is to augment the thermal performance of paraffin-based on triplex tube heat storage by dispersion of two different types of conductive mono nanoparticles (Al2O3, CuO) and hybrid Nano additives of various volume fractions (0.4, 0.8, 1.6, 3.2%) into paraffin wax. The experimental work involves measurements and preparation of the considered Nano-PCM. The enthalpy porosity model and finite volume …

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State-Of-The-Art Review Into Signal Processing And Artificial Intelligence-Based Approaches Applied In Gearbox Defect Diagnosis, Asaad Dubaish, Alaa Jaber Mar 2026

State-Of-The-Art Review Into Signal Processing And Artificial Intelligence-Based Approaches Applied In Gearbox Defect Diagnosis, Asaad Dubaish, Alaa Jaber

Engineering and Technology Journal

Various industrial applications, including rotating and reciprocating machinery, depend on gears. Therefore, a sudden breakdown of the gears could result in substantial financial losses. Due to this, extensive studies have focused on defect diagnosis. Both machinery maintenance decisions and preventive maintenance techniques have been aided by vibration analysis. An increased vibration is a warning sign that a machine is about to malfunction or break down. Observing and evaluating the machine's vibration pulses can identify the nature and extent of the issue and, as a result, predict when the machine will fail. The vibration signal may identify gearbox defects early on …

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Enhancing Wind Tunnel Computational Simulations Of Finite Element Analysis Using Machine Learning-Based Algorithms, Luttfi Al-Haddad, Alaa Jaber, Latif Ibraheem, Sinan Al-Haddad, Naseem Ibrahim, Fawaz Abdulwahed Mar 2026

Enhancing Wind Tunnel Computational Simulations Of Finite Element Analysis Using Machine Learning-Based Algorithms, Luttfi Al-Haddad, Alaa Jaber, Latif Ibraheem, Sinan Al-Haddad, Naseem Ibrahim, Fawaz Abdulwahed

Engineering and Technology Journal

Wind tunnels are essential for examining aircraft model aerodynamics, accurately simulating real-world conditions, and enhancing design and performance evaluations. This study introduces a novel technique to improve the time and accuracy of stress distribution forecasts in wind tunnel simulations. This method combines Finite Element Analysis (FEA) with two regression models: Support Vector Machine (SVM) and k-Nearest Neighbors (kNN). The investigation begins with a thorough analysis of ANSYS fluent flow data, which reveals intricate fluid dynamics details within the wind tunnel. A comparative analysis of stress projections, supplemented by Root Mean Square Error (RMSE) metric, demonstrates the proposed methodology’s viability. High …

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Investigating The Effect Of Electroplated Coatings On Single-Phase Fluid Flow And Heat Transfer In Microchannel, Hasan Hussein, Ekhlas Fayyadh, Moayed Hasan Mar 2026

Investigating The Effect Of Electroplated Coatings On Single-Phase Fluid Flow And Heat Transfer In Microchannel, Hasan Hussein, Ekhlas Fayyadh, Moayed Hasan

Engineering and Technology Journal

A significant heat flux affects the efficacy and durability of most equipment. Cooling these devices is the primary concern, prompting specialists to propose and investigate various solutions. For these applications, microchannels are regarded as a possibility. Experiments were conducted in this study to determine the effect of an electroplating coating on the characteristics of a single-phase flow. As the working fluid for the experiments, deionized water was used. During the investigations, a microchannel of 0.3mm width and 0.7mm depth with an average roughness of 18.64 nm was machined; the inlet temperature was maintained at 30°C, and the Reynolds number ranged …

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An Analytical Solution To Buckling Of Thick Beams Based On A Cubic Polynomial Shear Deformation Beam Theory, Charles Ike Mar 2026

An Analytical Solution To Buckling Of Thick Beams Based On A Cubic Polynomial Shear Deformation Beam Theory, Charles Ike

Engineering and Technology Journal

This paper presents analytical solutions for the buckling of thick beams. The Bernoulli-Euler beam theory (BEBT) overestimates their critical buckling load. This paper has derived a cubic polynomial shear deformation beam buckling theory (CPSDBBT) from first principles using the Euler-Lagrange differential equation (ELDE). It develops closed-form solutions to differential equations using the finite sine transform method. The formulation considers transverse shear deformation and satisfies the transverse shear stress-free boundary conditions. The governing equation is developed from the energy functional, Õ, by applying the ELDE. The domain equation is obtained as an ordinary differential equation (ODE). The finite sine transformation of …

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Solar Photovoltaic Thermal Cells Performance Improvement Using Jet, Phase Change Material And Nanoparticles Cooling Technology: A Review, Mays Shaeli, Monier Baccar, Jalal Jalil Mar 2026

Solar Photovoltaic Thermal Cells Performance Improvement Using Jet, Phase Change Material And Nanoparticles Cooling Technology: A Review, Mays Shaeli, Monier Baccar, Jalal Jalil

Engineering and Technology Journal

The cooling of solar photovoltaic (PV) cells is reviewed in this study. The critical analysis aims to increase PV cell life span and electrical efficiency. To improve the caliber of future studies, this paper examines the implications of earlier studies as well as technical specifics for optimization. Additionally, some of the benefits and drawbacks of various cooling methods are explored. The PV cells cool rate and the PV system's jet impingement cooling technology in PV systems are more effective than any conventional PV cooling systems. Phase change material (PCM) is one of the effective methods used to cool PV cells, …

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Studying The Influence Of Variable Inlet Guide Vane With The Physical Faults On The Performance Of Industrial Gas Turbine At Part-Load Operation, Waleligne Salilew, Zainal Abdul Karim, Tamiru Lemma Mar 2026

Studying The Influence Of Variable Inlet Guide Vane With The Physical Faults On The Performance Of Industrial Gas Turbine At Part-Load Operation, Waleligne Salilew, Zainal Abdul Karim, Tamiru Lemma

Engineering and Technology Journal

This research work presents a gas turbine performance investigation. Researchers have put efforts into this field of study; however, the influence of the concurrence of variable inlet guide vane (VIGV) drift, fouling, and erosion on the three-shaft gas turbine’s performance during part-load operation has remained unexplored. Therefore, this study addresses this gap. First the gas turbine design point and off-design performance model have been developed by utilizing the original engine manufacturer data provided. The accuracy of the models was validated, and the maximum mean absolute percentage error of the design point performance model is shown at exhaust temperature prediction, it …

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Investigating The Impact Of Process Parameters On Thinning And Formability In Aluminum Alloy Aa 1050 Incremental Sheet Metal Forming, Safaa Ghazi, Aqeel Bedan, Maher Salloom Mar 2026

Investigating The Impact Of Process Parameters On Thinning And Formability In Aluminum Alloy Aa 1050 Incremental Sheet Metal Forming, Safaa Ghazi, Aqeel Bedan, Maher Salloom

Engineering and Technology Journal

ISMF is a potential manufacturing technology that uses progressive deformation to create complicated shapes. ISMF produces sheet metal consecutively using targeted tool movement. This innovative method increases component precision, material waste reduction, and design flexibility. A tool is moved along a set path over a flat metal sheet while twisting forces are applied to get the needed shape. SPIF could be used in the medical equipment, aerospace, automotive, and building industries, but it is only profitable in certain situations because it is slower than other sheet-forming methods. SPIF-based die-less making makes it easier to shape. To make cone-shaped structures with …

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Single Variable Thick Plate Buckling Problems Using Double Finite Sine Transform Method, Charles Ike Mar 2026

Single Variable Thick Plate Buckling Problems Using Double Finite Sine Transform Method, Charles Ike

Engineering and Technology Journal

This paper derives buckling solutions for single variable thick plate buckling problems using the double finite sine transform method (DFSTM). The problem governing partial differential equation (GPDE), originally formulated by Shimpi and others, uses a refined plate theory (RPT) and accounts for transverse shear deformations, rendering it applicable to thick plates. The thick plate is simply supported and subjected to (i) uniform uniaxial compressive load in the x direction. (ii) uniform biaxial compressive load in the x and y axes. The DFSTM was applied to the GPDE, and the problem transformed into an algebraic equation, which was simpler in this …

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