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Experimental Study Of Vibration On Pipe Conveying Fluid At Different End Conditions For Different Fluid Temperatures, Kayser Ameen, Mustafa Al-Dulaimi, Ali Hatem Aug 2026

Experimental Study Of Vibration On Pipe Conveying Fluid At Different End Conditions For Different Fluid Temperatures, Kayser Ameen, Mustafa Al-Dulaimi, Ali Hatem

Engineering and Technology Journal

Dynamic behavior of a copper pipe conveying fluid at different fluid temperatures is investigated experimentally. Three types of supports are used, which are simply support - simply support, fixed – fixed support and fixed – free support. The effect of the support's types on the frequency and the amplitude of vibration for the pipe conveying the fluid are studied for various flow temperature. These vibration characteristics were tested at temperatures 50, 65 and 80 ºC


Influence Of Steel Fiber And Spacing Of Stirrups On The Torsion Capacity Of Hybrid Beams, Alyaa Mohammed, Qais Hasan, Kaiss Sarsam Aug 2026

Influence Of Steel Fiber And Spacing Of Stirrups On The Torsion Capacity Of Hybrid Beams, Alyaa Mohammed, Qais Hasan, Kaiss Sarsam

Engineering and Technology Journal

This paper investigates experimentally the torsional behaviour of hybrid reinforced concrete beams composed of reactive powder concrete (RPC) at the outer edges of the cross-section and conventional concrete (CC) at the inner parts of the cross-section. Hybrid reinforced concrete members are used extensively to deal with the members strength requirements related to flexural, shear and torsion in structural systems. The torsion failure is undesirable because of its brittle nature, it is obligatory to avoid this kind of failure in the earthquake areas. Seven reinforced concrete beams, with dimensions (100X200X1500 mm), the interior dimensions of hybrid beams of the cross-sectional area …


Numerical Study Of Bond Stress-Slip Relationship In Large Scale Reactive Powder Concrete Beams, Eyad Sayhood, Sameh Tobeia, Ammar Ali Aug 2026

Numerical Study Of Bond Stress-Slip Relationship In Large Scale Reactive Powder Concrete Beams, Eyad Sayhood, Sameh Tobeia, Ammar Ali

Engineering and Technology Journal

As the reactive powder concrete (RPC) represents one of the ultra-high performance concrete types that recently used in public works and in the presence of several attempts that aims to examine the behavior of RPC, this work aims to theoretically study the bond stress between RPC and steel bars and the corresponding slip for large reactive powder concrete beams by using finite element models done by ANSYS 16.1 software. Where, these numerical models were verified through several comparisons between their results, and the experimental one from previous work, in which good agreement were achieved. The effects of several parameters on …


Ethical Responsibility In The Practice Of Architecture, Abdullah Almaamouri Aug 2026

Ethical Responsibility In The Practice Of Architecture, Abdullah Almaamouri

Engineering and Technology Journal

The research deals with the concept of ethical responsibility as one of the most influential concepts in the process of practicing architecture. It is defined as “systems of ethical principles and engineering rules governing the architect in making decisions of design practice, making them sound, preventing them from making mistakes during the stages of design, and the maintenance “by the commitment to them, result in creative architectural texts benefit the individual and society,” and thus determine the research problem in (Lack of cognitive perception of the role of moral responsibility in the practice of architecture). Therefore, the research aims at …


An Experimental Investigation On Thermal Efficiency Of Flat Plate Tube Solar Collector Using Nanofluid With Solar Tracking Mechanism, Saad Hamidi Aug 2026

An Experimental Investigation On Thermal Efficiency Of Flat Plate Tube Solar Collector Using Nanofluid With Solar Tracking Mechanism, Saad Hamidi

Engineering and Technology Journal

In the present work, flat-plate solar collector (FPSC) in terms of various parameters as well as in respect of lower (Area of FPSC, volume fraction concentration of nanofluids, and mass flow rate) has been studied in this work. The FPSC has been fabricated with 0.192 m2, Dioxide silicon SiO2 (40nm) with the volume fraction of SiO2+Distilled water (0.05, 0.075, and 0.1%) and varying of flow rate (10, 15, 20L/h). These technological devices operate under forced circulation mode of fluid under varying climate conditions. The tracking mechanism has been used in the experiment of FPSC for tracking the sun position during …


Deep Cnn Based Skin Lesion Image Denoising And Segmentation Using Active Contour Method, Hadeel Abdullah, Hala Abduljaleel Aug 2026

Deep Cnn Based Skin Lesion Image Denoising And Segmentation Using Active Contour Method, Hadeel Abdullah, Hala Abduljaleel

Engineering and Technology Journal

Automatic skin lesion segmentation on skin images is an essential component in diagnosing skin cancer. Image de-noising in skin cancer lesion is a description of processing image which refers to image restoration techniques to develop an image in predefined touch. Then de-noising is the crucial step of image processing to restore the right quality image after that which can use in many processes like segmentation, detection. This work proposes a new technique for skin lesion tumor denoising and segmentation. Initially, using Deep Convolution Neural Network (CNN) to eliminate noise and undesired structures for the images. Then, a new mechanism is …


Synthesis And Characterization Of Chitosan- Polyvinyl Alcohol Blend Modified By Genipin And Nanohydroxyapatite For Bone Tissue Engineering, Ishraq Kadhim, Zuhair Abdul Ameer, Assel Alzubaidi Aug 2026

Synthesis And Characterization Of Chitosan- Polyvinyl Alcohol Blend Modified By Genipin And Nanohydroxyapatite For Bone Tissue Engineering, Ishraq Kadhim, Zuhair Abdul Ameer, Assel Alzubaidi

Engineering and Technology Journal

Use nanohydroxyapatite into the polymeric matrix as bioactive material for bone tissue engineering has enormous therapeutic potential because beneficial properties biocompatibility, biodegradability, and consider a major inorganic constituent of the bone matrix. The blended films of Chitosan and Polyvinyl alcohol with Genipin as cross-link agent were studied with and without addition Nanohydroxyapatite. Samples were prepared by solvent casting. The resulting films blended composite were characterized by Fourier transfer infrared (FTIR) spectroscopy, degradation behavior, swelling degree and tensile strength. Degree of swelling, and weight loss of the films blended composite was decreased with an increase of genipin and nanohydroxyapatie concentrations while …


Toxic Effect Of Inhalation Polyurethane In Lungs, Liver, And Kidneys Fume In White Male Mice, Sura Ahmed, Amel Hussain Aug 2026

Toxic Effect Of Inhalation Polyurethane In Lungs, Liver, And Kidneys Fume In White Male Mice, Sura Ahmed, Amel Hussain

Engineering and Technology Journal

In this study, the toxic effect of exposure to inhalation of polyurethane resin fumes by White Male Mice was evaluated over 36 days. The study included the use of the inhalation method in an exposition room filled with the fume chemical to a period of 10, 20 and 40 minutes per day, and were then transferred to the fumigant section of the animal house. The organs of the mice was dissected, and the change of the weight determined. The lungs, liver, kidneys tissues of the exposed mice showed typical structural structures when compared with the control group. The liver cells …


Investigation The Creep-Fatigue Behavior And A.C. Electrical Conductivity Of Aa 6061 Under Ultrasonic Peening, Hussain Al-Alkawi, Ahmed Reja, Mahmood Abbas Aug 2026

Investigation The Creep-Fatigue Behavior And A.C. Electrical Conductivity Of Aa 6061 Under Ultrasonic Peening, Hussain Al-Alkawi, Ahmed Reja, Mahmood Abbas

Engineering and Technology Journal

Ultrasonic peening is an innovative surface improvement process used to increase the resistance of aircraft metals and enhance high cycle fatigue life. The process creates residual compressive stresses deep into part surfaces. These compressive surface stresses inhibit the initiation and propagation of fatigue cracks. Aluminum alloys are relatively new materials used in aerospace, marine, automobile, and bridges due to low weight, which has significant advantages compared to the other materials. A major concern in the design of Aluminum alloys subjected to variable loads is fatigue strength and life. In this paper mechanical properties, fatigue strength, fatigue life and A.C.. electrical …


Modelling The Ecosystem Behavior Of Abu-Ziriq Marsh In South Of Iraq Under Different Water Discharges Scenarios, Fuaad Al-Yaseen, Mustafa Al-Mukhtar Aug 2026

Modelling The Ecosystem Behavior Of Abu-Ziriq Marsh In South Of Iraq Under Different Water Discharges Scenarios, Fuaad Al-Yaseen, Mustafa Al-Mukhtar

Engineering and Technology Journal

The marshlands are of fundamental importance to Iraq, a unique ecosystem providing local inhabitants with an essential source of habitat and livelihoods. This paper aims to study the ecosystem behavior of Abu-Ziriq Marsh in the south of Iraq under different scenarios using the Ecosystem Functions Model Program (HEC-EFM) and Hydrologic Engineering Center Data Storage System Visual Utility Engine (HEC-DSSVue). To this end, data was converted from tri-monthly and semi-monthly to daily data using the HEC-DSSVue program. The daily data natural(flow, stage) was used for five years between 2013 and 2018. The prediction process was evaluated using three criteria: correlation coefficient …


Hydraulic Analysis Of Irrigation Network For The Proposed Taq-Taq Dam Using Epanet Software, Ibtisam Karim, Sarmad Sahib Aug 2026

Hydraulic Analysis Of Irrigation Network For The Proposed Taq-Taq Dam Using Epanet Software, Ibtisam Karim, Sarmad Sahib

Engineering and Technology Journal

Analysis of pipe network is the fluid flow through hydraulics network containing inters connected branches, whose aim is to determine the pressure drops and flow rates in the individual parts of the network. In the study using specialized software such as EPANET for automatically solving problems of network. The main objective of this study is to analysis the irrigation network of the proposed Taq-Taq dam using hydraulic simulation software, in order to study the distribution of pressure, velocity and head on the pipe network for the purpose of ensuring the operation of the network efficiently and improve quantity and quality …


Structural And Morphological Investigation Of Cr2o3/Wo3oxides Films Composite Using Modified Spray Pyrolysis Technique, Zena Salman, Farhad Othman, Alaa Abdul-Hamed Aug 2026

Structural And Morphological Investigation Of Cr2o3/Wo3oxides Films Composite Using Modified Spray Pyrolysis Technique, Zena Salman, Farhad Othman, Alaa Abdul-Hamed

Engineering and Technology Journal

Cr2O3/WO3 oxides film composite was successfully synthesized via advanced controlled chemical spray pyrolysis deposition technique using two nozzles. Two solutions of tungstic acid and chromium chloride was sprayed separately at various ratios of (W: Cr) at the same time on a silicon substrate at 500 °C, the film then heat-treated at 400 °C for the 60s. The crystal structure, microstructure and morphology properties of prepared films were studied. Based on characterization techniques, crystallized Cr2O3/WO3 mixed oxides films were investigated by X-ray diffraction after the annealing process, with film thickness of about 500 nm. The SEM and AFM revealed that rough …


Survey Of User To User Recommendation System In Online Social Networks, Sammer Qader, Ayad Abbas Aug 2026

Survey Of User To User Recommendation System In Online Social Networks, Sammer Qader, Ayad Abbas

Engineering and Technology Journal

The widespread use of online social networks (OSN) and their applications by users lead to the lack of knowledge identification of their needs across the vast amount of data, which made the need to create systems that help people to solve the problems and make decisions with more accuracy, an example of these systems is the Recommendation system (RS), which helps users to make decision and save time in search on a commercial or personal level, one of the most critical types of recommendation systems is the friends recommendation system (FRS) . In this survey, several studies have been suggested …


Experimental Investigation Of Sub-Cooled Flow Boiling In Metallic Microchannel, Suha Mohammed, Ekhlas Fayyadh Aug 2026

Experimental Investigation Of Sub-Cooled Flow Boiling In Metallic Microchannel, Suha Mohammed, Ekhlas Fayyadh

Engineering and Technology Journal

Experiments in microchannel heat sink were carried that examine the deionized water two-phase boiling heat transfer. The heat sink consisted of a single microchannel having 300μm wide nominal dimensions and 300μm height (hydraulic diameter of 300μm). The heat sink formed of oxygen-free copper with 72mm length and 12mm width. Experimental operation conditions spanned the heat flux (78-800) kW/m2, mass flux (1700 and 2100) kg/m2.s at 31K subcooled inlet temperature. The boiling heat transfer coefficient is measured, and compared with existing correlations. The results show that higher mass flux leads to a higher boiling heat transfer coefficient and the dominants mechanism …


Design And Control Of A Full-Scale Quarter Car Test Rig For Semi-Active Suspension System, Bahaa-Aldin Abdullah, Mohsin Hamzah, Ammar Merza Aug 2026

Design And Control Of A Full-Scale Quarter Car Test Rig For Semi-Active Suspension System, Bahaa-Aldin Abdullah, Mohsin Hamzah, Ammar Merza

Engineering and Technology Journal

Passive hydraulic dampers are commonly used in the automotive suspension system. Nevertheless, they are suffering from a significant drawback owing to the changing of its characteristics at high-frequency; as a result, decreasing the ride quality due to the increase of the transmitted force, especially at high frequency excitations. The present work developed a semi-active suspension system to solve this problem with its effect. A Sky-hook control strategy is used to suppress the positional oscillation of the sprung mass in the presence of road irregularities via the use of the electrohydraulic (EH) damper, as an objective. In order to apply the …


Effect Of Laser Peening On The Microhardness And Roughness Of Al-7277 Alloy, Mays Hashim, Abdul Hadi Judran, Razi Al Azawi Aug 2026

Effect Of Laser Peening On The Microhardness And Roughness Of Al-7277 Alloy, Mays Hashim, Abdul Hadi Judran, Razi Al Azawi

Engineering and Technology Journal

The purpose of the study conducted was an analysis of the influence of pulse density per area unit of LSP on (7277AL Alloy) regarding the surface characterization, roughness achieved and microhardness. The samples, which were used in this investigation, are 7277Al Alloy. Specify the laser parameter used in this study effect on sample surface properties were studied. Such as laser energy, and laser pulses number the results reveal that the microhardness enhancement by 80%, while the surface roughness increased by 69% when laser energy of 360mj and the number of laser pulses of 100 pulse were applied. X-ray fluorescence analyses …


The Air Bubbles Effect For Underwater Optical Wireless Communication Using 650 Nm Wavelength, Salah Adnan, Mazin Ali, Fatima Hakwar Aug 2026

The Air Bubbles Effect For Underwater Optical Wireless Communication Using 650 Nm Wavelength, Salah Adnan, Mazin Ali, Fatima Hakwar

Engineering and Technology Journal

In this research, texts were sent by pulse width modulation(PWM) in the channel of clean water usingArduino hardware and software for an underwater wireless opticalcommunication system (UWOC). The air bubbles device utilized thedisturbance at different distances from the transmitter source within thechannel of clean water. The total length of the channel is (1) m. In thisstudy, the source of transmitter wavelengths 650 nm was used with thepower of 80mw. The results showed that the received power was 32 mWin the clean water, while when air bubbles pump within the channel ofclean water at 0.2m, 0.5m and 0.8m away from the …


An Overview On Most Effective Dras In Crude Oil Pipelines, Raheeq Ibrahim, Manal Odah, Dhoha Shafeeq Aug 2026

An Overview On Most Effective Dras In Crude Oil Pipelines, Raheeq Ibrahim, Manal Odah, Dhoha Shafeeq

Engineering and Technology Journal

The flow of crude oil in pipelines suffers from a problem of fluid flow pressure drop and high-energy consumption for pumping especially in low temperatures environment. Flow can be enhanced using viscosity either reduction or drag reduction techniques. Drag reduction is considered as the most effective and most applicable method. The technique contributes in reducing the frictional energy losses during the flow by addition of little doses of materials knowing as drag-reducing agents. The present work focuses on more recent and most applicable drag-reducing agents used in crude oil flow enhancement via pipelines.


Investigation The Morphological Characteristics Of The Particulate Matter Emissions From The Oxygenated Fuels Combustion In Diesel Engines, Mohammed Fayad, Bashar Al-Ogaidi Aug 2026

Investigation The Morphological Characteristics Of The Particulate Matter Emissions From The Oxygenated Fuels Combustion In Diesel Engines, Mohammed Fayad, Bashar Al-Ogaidi

Engineering and Technology Journal

Understanding the size and morphological properties of particulate matter (PM) is essential to improve analysis of the process of PM formation in diesel engines. These will help to reduce undesirable environmental impact and health effects. A scanning mobility particle sizer (SMPS) and thermal gravimetric analysis (TGA) were used to study the changes in size characteristics of PM/soot and soot reactivity. Furthermore, improve the oxidation of soot particles in diesel engines is necessary under the range of different fuel combustions. Oxygenated fuels (e.g., ethanol blend, E10 and butanol blend, B16) were used in this experimental study to show how insignificant changes …


A Compact Single-Feed Patch Antenna With Frequency And Polarization Diversity, Fayyadh Ahmed Aug 2026

A Compact Single-Feed Patch Antenna With Frequency And Polarization Diversity, Fayyadh Ahmed

Engineering and Technology Journal

A new compact single feed square ring patch antenna using meandered 4λ transformer is designed, for frequency and polarization diversity. The proposed antenna is constructed from a square ring patch antenna, and two orthogonal meandered cascaded 4λ transformer (OMCT), incorporated with six switches for frequency and polarization reconfiguration purposes. The OMCT with switches is necessary to get good impedance bandwidth (BW) and axial ratio bandwidth (ARBW) for circular polarization state. In addition, it utilized to excite the antenna at two orthogonal locations, with equal magnitude and quadratic in phase, for achieving circular polarization mode at resonant frequencies 2.44GHz, 4.7GHz, and …


Recycling Of Waste Paraffin Wax By The Addition Of Sio2 Nano-Powders To Improve Thermal Conductivity, Aseel Al-Zubaidi Aug 2026

Recycling Of Waste Paraffin Wax By The Addition Of Sio2 Nano-Powders To Improve Thermal Conductivity, Aseel Al-Zubaidi

Engineering and Technology Journal

Paraffin wax is an important material used in thermal energy storage (TES) systems. The thermal conductivity of the material is an important parameter that decides the degree of exploitation of the paraffin wax in TES systems. The thermal conductivity is improved by the addition of silicon oxide nanoparticles (1%, 2%, 4%, and 6%) to the paraffin wax. The average size of the SiO2 particles is equal to 38 nm. The addition of SiO2 nano-particles at very small ratios was found to enhance the thermal conductivity of the paraffin wax considerably. SiO2 nanoparticles, add to paraffin wax, have a significant effect …


Point Cloud Pre-Processing And Surface Reconstruction Based On Chord Algorithm Technique, Ali Al-Badairy, Ahmed Al-Duroobi, Maan Tawfiq Aug 2026

Point Cloud Pre-Processing And Surface Reconstruction Based On Chord Algorithm Technique, Ali Al-Badairy, Ahmed Al-Duroobi, Maan Tawfiq

Engineering and Technology Journal

3D laser scanner is one of the modern technologies, which used to obtain the geometric information about the 3D scanned object surface. But, there are some problems that are associated with this technique such as the huge number of obtained points which require high memory to save and the required data processing processes. This paper proposed a data simplification algorithm for point cloud of a scanned object using 3D laser scanner (Matterand Form) in a manner to extract the necessary geometric features, which arerepresented by points for a 3D object. This algorithm based on theinstantaneous calculation of chord height of …


Smoothing Smartphone Gps Raw Measurements, Tariq Ataiwe, Abbas Khalaf, Israa Mohammed Aug 2026

Smoothing Smartphone Gps Raw Measurements, Tariq Ataiwe, Abbas Khalaf, Israa Mohammed

Engineering and Technology Journal

This  research aims  to  investigate  the  smoothing  of  the  pseudo-range raw  measurements  of  the  smartphone  using  a  Hatch  filter.  The  measurements  of  smartphones  suffer  from  high  noise  generated  from  low-cost  antennas  and  oscillators, which are designed to work in a certain way. These types of low-cost antennas  and  oscillators  are  entirely different  from  geodetic  instruments,  which  are  designed  for  high  accuracy  positioning.  The  GPS  measurement  data  were  collected   using   a   Huawei   P10   device,   41   minutes   and   24   seconds   GPS   observation  time  with  sampling  intervals  of  1  second  using  Geo++  Android  application.  The  GPS  measurements  are  processed  using  standalone  (epoch  by …


Complex Surface Representation And Machining Time Estimation Upon Three Types Of End Mill Cutter, Rasha Marzoog, Ahmed A. Alduroobi Alduroobi, Sawsan Al-Zubaidy Aug 2026

Complex Surface Representation And Machining Time Estimation Upon Three Types Of End Mill Cutter, Rasha Marzoog, Ahmed A. Alduroobi Alduroobi, Sawsan Al-Zubaidy

Engineering and Technology Journal

The accuracy of data transition between CAD and CAM has been playing a great role in the product life cycle, and eventually, the product quality. As products complexity increased, the need to robust technique to data transition increased. On the other hand, Machining simulation facilitates deciding the process parameters. The aim of the present research is divided into two aims: first: building a free form surface and transforming its data accurately from CAD to CAM without any distortion. Second: study the milling process using different end cutters geometry and make a comparison between those in terms of machining time at …


Vacuum Effect On The Performance Of Solar Air Collector With Micro-Channel Absorber Plate, Jalal Jalil, Nashwa A.Abdulkadhim Abdulkadhim Aug 2026

Vacuum Effect On The Performance Of Solar Air Collector With Micro-Channel Absorber Plate, Jalal Jalil, Nashwa A.Abdulkadhim Abdulkadhim

Engineering and Technology Journal

In this study, the effect of vacuum with micro-channel techniqueon solar air collector performance is investigated experimentally. Vacuumspace reduces the loss of heat for the absorption plate by conduction andthus improves the solar collector performance. It has been demonstratedthat the solar collector is evacuated to 0.1 bar of pressure for absorber-tocover spacing of 4cm. An absorber plate was manufactured from Aluminummetal with 30 rectangular micro-channels (length 0.9, width 0.004, height0.0008 m) is constructed with measurements facilities of velocity,temperature and differential pressure. The tests are carried out indoor usingsolar simulator. Results showed that the performance of solar collectorincreases with vacuum about …


Effect Of Potassium Chloride And Potassium Sulphate Electrolyte Solutionon Surface Roughnessand Material Removal Rate In Electro Chemical Machining (Ecm), Heba Qasim, Shukry Aghdeab Aug 2026

Effect Of Potassium Chloride And Potassium Sulphate Electrolyte Solutionon Surface Roughnessand Material Removal Rate In Electro Chemical Machining (Ecm), Heba Qasim, Shukry Aghdeab

Engineering and Technology Journal

Electrochemical machining (ECM) is nontraditional machiningwhich is used to remove metal by anodic dissolution. In this study themetal workpiece (WP) was stainless steel (AISI 316) and potassiumchloride (KCl) and potassium sulphate (K2SO4) solutions were used aselectrolyte, and the tool was used from copper. In this work theexperimental parameters that used were concentration of solution,current and voltage as input. While surface roughness (Ra) and materialremoval rate (MRR) were the output. The experiments on electrochemicalmachining with using concentration (10, 20 and 30) g/l, current (2, 5 and10) A and voltage (6, 12 and 20)V. Gap size between tool and WP (0.5)mm. The …


Effect Of Radial Clearance On Stress And Strain Distribution In The Astral Deep Drawing, Waleed Jawad, Ali Ikal Aug 2026

Effect Of Radial Clearance On Stress And Strain Distribution In The Astral Deep Drawing, Waleed Jawad, Ali Ikal

Engineering and Technology Journal

In this paper, an astral die was designed and constructed to produce anastral cup in the deep drawing operation by experimental work and numericalsimulation. The influence of radial clearance on drawing load, cup high, thedistribution of stress, strain and thickness along the side wall, minor and majoraxis were also studied. The deep drawing process was carried out to produce anastral cup with an inner dimension of (41.5mm × 34.69mm), and (30mm) heightdrawn from a blank sheet with a thickness of (0.7) and diameter (80) made of lowcarbon steel. A commercial program (ANSYS18.0) was used to perform thenumerical simulation. Three types …


A Hybrid Neural-Fuzzy Network Based Fault Detection And Isolationsystem For Dc Motor Of Robot Manipulator, Arkan Jassim, Abbas Issa, Qusay Jawad Aug 2026

A Hybrid Neural-Fuzzy Network Based Fault Detection And Isolationsystem For Dc Motor Of Robot Manipulator, Arkan Jassim, Abbas Issa, Qusay Jawad

Engineering and Technology Journal

In this paper, the detecting and isolating fault that occurs in (actuator and sensor) in robot manipulator, which is used as a mathematical model were proposed for fault detection, where the neural network was used to detect the fault. The neural network was trained on the data set obtained from the Input/output on the (DC motor).The output of the sensor or actuator was compared with the output of the model (neural network) after that the residual signal is used to detect the fault. The fuzzy logic circuit was used for fault isolation that is depending on the residual signal from …


Characteristics Of Artificial, Gypsified And Natural Gypseous Soils Under Dry Condition, Wisam Yaqoob, Falah Rahil, Moammed Al-Neami Aug 2026

Characteristics Of Artificial, Gypsified And Natural Gypseous Soils Under Dry Condition, Wisam Yaqoob, Falah Rahil, Moammed Al-Neami

Engineering and Technology Journal

Gypseous soil characteristics were studied types many researchers, but the bearing capacity of sandy gypseous soil with different preparing of the soil models were tested in dry condition under static and cyclic loads in this study, three types of gypseous soils are prepared (artificial, gypsified and natural gypseous soils). The laboratory tests were needed to evaluate geotechnical soil properties. The main objective of this study is testing of the soil models in dry condition for measuring earth pressures with displacements of the soil models under monotonic and repeated loads within relatively large manufactured physical model. The results found that the …


A Cooperation Of Fog Computing And Smart Gateways In A Secure And Efficient Architecture For Iot-Based Smart Homes, Amin Seno, Sahar Alshammari Aug 2026

A Cooperation Of Fog Computing And Smart Gateways In A Secure And Efficient Architecture For Iot-Based Smart Homes, Amin Seno, Sahar Alshammari

Engineering and Technology Journal

Nowadays Internet of Things (IoT) is growing to be a serious factor in numerous areas of our daily life style. Internet of Things brings different opportunities of intelligence to important aspects such as health, payments, energy management, industrial sectors, transportation and also many other specialties. It is important to notice that the interaction between these two part the embedded equipment and Cloud based web services is such a common or prevalent scenario of Internet of Things deployment. When it comes to the security point of view, jointly users (consumer) and smart devices need to reassure and establish a secure and …