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Enhancing Performance Of Double-Slope Solar Stills Through Optimization Of Heat Addition Methods: A Comprehensive Analysis, Mariam Murad, Wissam Alawee, Hayder Dhahad, Z.M. Omara Mar 2026

Enhancing Performance Of Double-Slope Solar Stills Through Optimization Of Heat Addition Methods: A Comprehensive Analysis, Mariam Murad, Wissam Alawee, Hayder Dhahad, Z.M. Omara

Engineering and Technology Journal

This comprehensive research paper reviews the latest techniques to enhance the productivity of double-slope solar stills by providing quantitative data on key research outcomes. With the global water scarcity crisis and the need for effective desalination technology, this study focuses on solar-based desalination techniques and their specific application in double-slope solar stills. This paper offers a comprehensive and quantitative analysis of heat addition methods in double-slope solar stills by examining published research findings, providing valuable insights for researchers and practitioners. The study reveals significant improvements in productivity through various modifications. Evaporation enhancement, heat transfer enhancement, and condensation enhancement have proven …

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3d Printing For Wind Turbine Blade Manufacturing: A Review Of Materials, Design Optimization, And Challenges, Ahmed Zarzoor, Alaa Jaber, Ahmed Shandookh Mar 2026

3d Printing For Wind Turbine Blade Manufacturing: A Review Of Materials, Design Optimization, And Challenges, Ahmed Zarzoor, Alaa Jaber, Ahmed Shandookh

Engineering and Technology Journal

Wind energy has become an easy-to-harness source by converting captured wind currents into electrical energy. Powerful and customizable wind turbines are used to convert wind energy efficiently. However, wind turbine development in terms of structure is still an active area of research aiming at efficiently building capable and long-lasting turbines. Additive manufacturing technology, particularly 3D printing, has revolutionized multiple industries, including its potential to create wind turbine blades with high cost-effectiveness and optimizable shapes and rigid structures. In this review, various 3D printing-based techniques, including Fused Deposition Modelling (FDM), Continuous Fiber Reinforcement (CFR), Stereolithography (SLA), and 3D Printing-enhanced Large-Scale Additive …

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Theoretical And Experimental Investigation Of The Effect Of Heat Flux To Lift Water In A Solar Bubble Pump, Ihab Omar, Ahmed Saleh, Ahmed Alhusseny Mar 2026

Theoretical And Experimental Investigation Of The Effect Of Heat Flux To Lift Water In A Solar Bubble Pump, Ihab Omar, Ahmed Saleh, Ahmed Alhusseny

Engineering and Technology Journal

In remote areas, a scarcity of accessible water poses a significant predicament, and sun-powered propelling contraptions offer promising solutions. It is possible to collect solar energy with the goal of raising a fluid. Bubble pumps are used in the process of creating two-phase flows via the boiling of fluids in diffusion-absorption refrigeration cycles. In this investigation, a solar-powered bubble pump lifted the water. EES, which stands for engineering equation solver, was used in order to carry out the theoretical study of the bubble pump technology. Based on the results, it was determined that the void fraction displays a pattern that …

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The Impact Of Electronic Control Systems On Improving The Performance Of The Solar Heater, Ekram Alaskaree, Younus Breesam Mar 2026

The Impact Of Electronic Control Systems On Improving The Performance Of The Solar Heater, Ekram Alaskaree, Younus Breesam

Engineering and Technology Journal

In this study, the effect of an electronic control system (ECS) on the performance of a solar heater fabricated from recycled materials was investigated . The study found that the maximum thermal energy output before installing the ECS stood at 378 W, which was significantly improved to 450 W after integration, indicating a commendable enhancement in the efficiency of the solar heater. The thermal efficiency of the solar heater also saw a substantial jump from 71.7% to 82% after connecting the ECS. The study also uncovered the temperature disparity between the trapped and ambient air (max. ΔT = 20.4 °C) …

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Computational Insights Into The Thermal Performance Enhancement Of Solar Air Heater Channel Through Metal Foam Integration, Kadhim Al-Chlaihawi, Moayed Hasan, Ali Kaied Mar 2026

Computational Insights Into The Thermal Performance Enhancement Of Solar Air Heater Channel Through Metal Foam Integration, Kadhim Al-Chlaihawi, Moayed Hasan, Ali Kaied

Engineering and Technology Journal

The two-dimensional numerical simulations focused on fluid flow and heat transfer within a solar air heater (SAH) channel incorporating copper metal foam with a porosity of 90% were carried out in this study. The Local Thermal Non-equilibrium (LTNE) and Darcy-Extended Forchheimer (DEF) models were employed to predict fluid and thermal transport in the partially porous SAH channel. In the free flow zone, the  turbulence model was utilized. The thermal and thermo-hydraulic performances of SAH were examined concerning several factors, including pore density ( ), Reynolds number ( ), and dimensionless foam height ( ). The results demonstrate that inserting a …

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The Influence Of Micro Channel On The Performance Of Low Concentrator Parabolic Collector Systems With Phase Change Material, Jenan Hamdi, Jalal Jalil, Ahmed Reja Mar 2026

The Influence Of Micro Channel On The Performance Of Low Concentrator Parabolic Collector Systems With Phase Change Material, Jenan Hamdi, Jalal Jalil, Ahmed Reja

Engineering and Technology Journal

Increasing global economic development leads to a continuous increase in energy demand, considering the limited conventional resources of energy as well as the impact on the environment associated with its use. The primary disadvantage of solar energy is that it is only accessible during the day. Thermal energy storage systems can overlook this flaw since they can store energy throughout the day for use at night. This paper presents a new cooling technique for low-concentration parabolic collectors with microchannel and Phase Change Material (PCM). A test model consisting of a parabolic concentrator was designed and fabricated to test the parabolic …

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Microwave Dielectric Properties Of Zn1-Xcuxwo4 (X= 0, 0.03)/Polymer Composites, Lamees Faeq, Saad Farid, Fadhel Hashim Mar 2026

Microwave Dielectric Properties Of Zn1-Xcuxwo4 (X= 0, 0.03)/Polymer Composites, Lamees Faeq, Saad Farid, Fadhel Hashim

Engineering and Technology Journal

The rapid growth in wireless telecommunication systems has spurred a strong interest in lightweight, compact, and cost-effective materials. One promising solution for achieving these characteristics is using polymer matrix ceramic-reinforced composites. In this context, complex oxide materials, specifically Zn1-xCuxWO4 (where x=0 and x=0.03), were used to reinforce three different polymer matrices: epoxy, polyurethane, and silicone rubber. The primary objective was to create composites with low loss factors and high dielectric constants, essential qualities for telecommunications systems. To create the complex oxides, the solid-state reaction method was employed. In particular, the X-ray diffraction (XRD) analysis confirmed that Zn0.97Cu0.03WO4 exhibited a monoclinic …

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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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Assessing The Influence Of Climate Change On Sediment Dynamics In The Proposed Makhool Dam Reservoir, Iraq, Nisreen Rasheed, Mahmoud Al-Khafaji, Imzahim Alwan Mar 2026

Assessing The Influence Of Climate Change On Sediment Dynamics In The Proposed Makhool Dam Reservoir, Iraq, Nisreen Rasheed, Mahmoud Al-Khafaji, Imzahim Alwan

Engineering and Technology Journal

Makhool Dam is a proposed structure on the Tigris River in the Salah al-Din Governorate, northwest of Baiji. The reservoir's sediment sources encompass the Tigris River, the Greater Zab River, and the Lesser Zab River. Climate change exerts a significant influence on both sediment accumulation within the dam reservoir and associated water resources. This paper specifically investigates the impact of climate change on sediment dynamics within the Makhool Dam reservoir. HEC-RAS 6.3.1 has been used to simulate the sediment dynamics and flow for the three rivers entering the reservoir. The SSP2-4.5 and SSP5-8.5 emission scenarios were applied to the 2021-2040, …

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Dynamic Displacement Of Sheet Pile Walls Adjacent To The Railway Track, Kather Naji, Mohammed Al-Neami, Mahmood Mahmood Mar 2026

Dynamic Displacement Of Sheet Pile Walls Adjacent To The Railway Track, Kather Naji, Mohammed Al-Neami, Mahmood Mahmood

Engineering and Technology Journal

Due to the scarcity of experimental laboratory research on the effect of repetitive stress resulting from the railway on retaining walls, this study presents an investigation of an experimental laboratory model to study the effect of repetitive loads resulting from the railway on the adjacent retaining wall through several factors. The results of an experimental investigation of horizontal displacements of steel sheet pile walls behind excavations in the sand adjacent to railway tracks are presented. A series of model tests have been carried out in which the effect of sand density, horizontal distance between the railway and the sheet wall, …

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Solving Westergaard Half-Space Problems Using Potential Theory, Charles Ike Mar 2026

Solving Westergaard Half-Space Problems Using Potential Theory, Charles Ike

Engineering and Technology Journal

The Westergaard half-space problem has been solved using the potential theory in this work. It is a classical theme in elasticity theory that seeks to find the displacements and stresses in the half-space caused by known boundary loads. It has important applications in analyzing stresses and displacement fields in soil due to applied points and distributed loads on the boundary caused by structures placed on the soil. It is governed by stress–strain, strain-displacement, and equilibrium equations. Horizontal inextensibility is assumed in developing the problem, simplifying the displacement formulation to a three-dimensional (3D) Laplace equation. The potential theory is applied to …

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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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An Empirical Investigation And Computational Modeling Of Volatile Organic Compound (Vocs) Elimination From Aqueous Solutions By Means Of Pervaporation, Salam Rasheed, Salah Ibrahim, Asmaa Abbas, Raed Al-Jaboori, Zeinab Jawad, Low Chun, Qusay Alsalhy Mar 2026

An Empirical Investigation And Computational Modeling Of Volatile Organic Compound (Vocs) Elimination From Aqueous Solutions By Means Of Pervaporation, Salam Rasheed, Salah Ibrahim, Asmaa Abbas, Raed Al-Jaboori, Zeinab Jawad, Low Chun, Qusay Alsalhy

Engineering and Technology Journal

The present study harnessed a commercially available polydimethylsiloxane (PDMSTM4060) membrane designed for the selective separation of soluble benzene (C6H6) and toluene (C7H8) compounds from an aqueous solution employing pervaporation (PV). Two distinct mathematical models, namely the universal quasi-chemical (UNIQUAC) model and the conventional driving force model, were formulated to replicate the intricate transport mechanisms of both organic solvent and water across these membranes. These models were instrumental in projecting the membrane's performance across diverse operational scenarios. The anticipated results were rigorously compared with experimental data to validate the projected outcomes for non-ideal volatile organic compounds (VOCs)-water systems within the membrane. …

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Investigating The Effect Of Various Parameters On The Yield Of Graphene Obtained Through Graphite Exfoliation Using Co2 Supercritical Fluid, Shahab Saeedi, Javad Sargolzaei Mar 2026

Investigating The Effect Of Various Parameters On The Yield Of Graphene Obtained Through Graphite Exfoliation Using Co2 Supercritical Fluid, Shahab Saeedi, Javad Sargolzaei

Engineering and Technology Journal

Due to its high penetration force and low viscosity, the Supercritical carbon dioxide (scCO2) can spread between the graphite layers, overcome van der Waals forces, and transform graphite into multilayer graphene. The results of the test plan with the Design Expert software and also the use of these results in the laboratory showed that the parameters of temperature, pressure, initial amount of graphite, addition of surfactant and solvent auxiliary, the duration of sample placement in the device, the duration of carbon dioxide gas release from the device, and the time and power of ultrasonic and centrifuge operations can accelerate the …

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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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Image Encryption Based On S-Box And 3d-Chaotic Maps And Secure Image Transmission Through Ofdm In Rayleigh Fading Channel, Jenan Namuq, Fadhil Hasan, Alaa Ali Mar 2026

Image Encryption Based On S-Box And 3d-Chaotic Maps And Secure Image Transmission Through Ofdm In Rayleigh Fading Channel, Jenan Namuq, Fadhil Hasan, Alaa Ali

Engineering and Technology Journal

Data security is vital if transferred over a wireless network or stored on a personal computer. The essential properties of chaos, such as initial state sensitivity and unpredictability, make it a crucial candidate for encryption applications. This paper proposes a 3D chaotic map and a cascaded S-Box that can be combined to get a high-efficiency and complex cryptographic algorithm. The first stage is ciphering using a 3D cat map, the second stage is an S-box based on a 3D Henon map, and the third stage is another ciphering stage using a 3D Henon map. This study combines various encryption techniques, …

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Performances Study Of Psk And Ask Modulation Technique Under Atmospheric Turbulence In Fso Communication System, Esraa Al – Gazzi, Ekbal Ali, Assel Mohammed Mar 2026

Performances Study Of Psk And Ask Modulation Technique Under Atmospheric Turbulence In Fso Communication System, Esraa Al – Gazzi, Ekbal Ali, Assel Mohammed

Engineering and Technology Journal

The performance and reliability of a free-space optical (FSO) communication system can be greatly increased using various methods. The primary goal of each technique is to reduce the effect of disturbances that lead to intensity or phase fluctuations in the system's receiver. Recent issues include increased data consumption and a crowded radio frequency spectrum, where free-space optical communication (FSOC) has changed the way people share information in a big way. In place of wired communication systems, it is possible to transport voice, video, and data effectively through air. High speed, cost savings, small buildings, low power consumption, energy economy, maximum …

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Fpga Implementation Of Efficient Adaptive Filter Incorporating Systolic Architecture, Harith Thannoon, Ivan Hashim Mar 2026

Fpga Implementation Of Efficient Adaptive Filter Incorporating Systolic Architecture, Harith Thannoon, Ivan Hashim

Engineering and Technology Journal

This paper introduces an approach that capitalizes on the retimed delay concept to enhance adaptive filters' operational efficiency. In particular, it introduces an adaptive filter configuration with minimal critical path delay. The adaptive filters, namely Least Mean Square (LMS), Recursive Least Square (RLS), and Affine Projection (AP) have been meticulously designed through the utilization of the Xilinx System Generator (XSG). The approach is based on a systolic architecture, which aims to reduce the critical path delay by minimizing the number of processing elements, including adders and multipliers, in each iterative process. Notably, the critical path of the proposed filters has …

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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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Analyzing Energy Performance And Assessing Dry Moisture Content Of Briquettes Through Numerical Investigations, Oluwaseyi Alabi, Timothy Adeyi, Sakiru Ekun Mar 2026

Analyzing Energy Performance And Assessing Dry Moisture Content Of Briquettes Through Numerical Investigations, Oluwaseyi Alabi, Timothy Adeyi, Sakiru Ekun

Engineering and Technology Journal

This study presents a comprehensive numerical investigation into the energy evaluation and determination of dry moisture content of briquettes, a vital aspect of renewable energy production. Utilizing advanced computational fluid dynamics (CFD) modeling and simulations, we explored key parameters impacting briquette combustion, such as moisture content, size, density, and temperature profiles. The research demonstrates that these factors significantly influence combustion behavior, with the CFD model accurately predicting mass loss curves and burnout times. The process was completed in 10 minutes, reaching a temperature of 300K and yielding gases consisting of CO2, CO, and H2O, while the devolatilization front was assumed …

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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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Application Of Discrete Wavelet Transform For Condition Monitoring And Fault Detection In Wind Turbine Blades: An Experimental Study, Ahmed Ogaili, Mohsin Hamzah, Alaa Jaber, Ehsan Ghane Mar 2026

Application Of Discrete Wavelet Transform For Condition Monitoring And Fault Detection In Wind Turbine Blades: An Experimental Study, Ahmed Ogaili, Mohsin Hamzah, Alaa Jaber, Ehsan Ghane

Engineering and Technology Journal

Effective structural monitoring maximizes efficiency in wind turbines, a crucial renewable energy asset. Using advanced condition monitoring techniques is crucial for reliability. This experiment shows how to use DWT and FFT for wind turbine blade fault detection. DWT allowed for multiresolution analysis of vibration signals from a healthy and eroded lab-scale turbine blade under controlled wind speeds. A 5-level DWT decomposition identified frequency sub-bands with localized fault information. The FFT post-processing of level 5 approximation coefficients revealed precise modal frequency shifts between blade states. The healthy blade showed a dominant 16 Hz mode that matched operational dynamics. Erosion caused a …

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Experimental Study Of The Double Pipe Heat Exchanger For Heat Transfer And Pressure Drop Characteristics Of The Grooved Tube, Natiq Fadhil, Amer Aldabbagh, Falah Hatem Mar 2026

Experimental Study Of The Double Pipe Heat Exchanger For Heat Transfer And Pressure Drop Characteristics Of The Grooved Tube, Natiq Fadhil, Amer Aldabbagh, Falah Hatem

Engineering and Technology Journal

Experiments are conducted to investigate the heat transfer and pressure drop characteristics of corrugated tubes and rod baffles in a shell-and-tube heat exchanger. One of the effective techniques to improve heat transfer is to use corrugated tubes. This article investigates rod baffles with varied corrugation depths and corrugated tubes for (1 start). In the heat exchanger's shell side, where a constant wall temperature was attained on the tube side, water was employed as the working fluid after being heated at the wall. Corrugation ratios (e/dh) of 0.1 and 0.13, pitch (p) of 10, 20, and 30mm, and two types (x/d) …

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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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Enhancing The Solar Still Performance Using Different Designs Of Absorber With Heat Storage Materials And Different Wick Materials: A Review, Lujain Hyal, Jalal Jalil, Abduljabbar Hanfash Mar 2026

Enhancing The Solar Still Performance Using Different Designs Of Absorber With Heat Storage Materials And Different Wick Materials: A Review, Lujain Hyal, Jalal Jalil, Abduljabbar Hanfash

Engineering and Technology Journal

Despite water covering more than two-thirds of the planet, improving potable water production technologies is a significant issue because of the increased demand for treated water. Solar desalination presents a simple, costless energy and friendly technology which utilizes solar energy and gives great incentive to decrease pollution effects produced by burning fossil fuels. In order to address the global drinking water shortage, particularly in rural and distant locations, this technique can be employed to give pure water to people using a solar still, which in many respects, is one of the most significant feasible uses of solar energy and perfect …

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Phase Change Material In Glazing Windows System: A Review, Mina Nsaif, Mounir Baccar, Jalal Jalil Mar 2026

Phase Change Material In Glazing Windows System: A Review, Mina Nsaif, Mounir Baccar, Jalal Jalil

Engineering and Technology Journal

As far as thermal insulation is concerned, phase change materials (PCM) have a very good potential to be excellent insulation materials due to their thermal properties like low thermal conductivity and high latent heat. The researchers started to incorporate the walls and windows with PCM to reduce the internal surface temperature and indoor temperature of the room. This paper focuses on double and triple-glazed windows’ thermal performance, different filling insulation materials, ventilation windows, and thermochromic glazing. In addition, a detailed discussion on the effect of changing the thickness and the thermal characteristics of the PCM and its influence on the …

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Analyzing The Impact Of Fdm Parameters On Compression Strength And Dimensional Accuracy In 3d Printed Pla Parts, Hind Abdulridha, Tahseen Abbas Mar 2026

Analyzing The Impact Of Fdm Parameters On Compression Strength And Dimensional Accuracy In 3d Printed Pla Parts, Hind Abdulridha, Tahseen Abbas

Engineering and Technology Journal

Fused deposition modeling (FDM) is an additive manufacturing (AM) technique frequently used to create prototypes and parts with intricate geometrical designs. It is gaining popularity since it enhances products by removing the need for expensive equipment. The materials used, the printing process, and the parameters influence the mechanical properties of printed objects. The quality and functionality of the parts are impacted by FDM process parameters. This study focused on the impact of six parameters on the mechanical and physical properties of samples printed using the FDM machine (Creality Ender-5 Pro). The infill density percentage, infill pattern, layer thickness, shell thickness, …

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