Research Paper
Elevated Temperature Corrosion of Mechanical Properties and Fatigue Life of 7025 Aluminum Alloy
Elevated Temperature Corrosion of Mechanical Properties and Fatigue Life of 7025 Aluminum Alloy

Mohammed H. Alwan; Hussain J. Al-Alkawi; Ghada A. Aziz

Volume 40, Issue 1 , January 2022, Page 1-7

https://doi.org/10.30684/etj.v40i1.1587

Abstract
  Aluminum alloys are widely used in aircraft industry where good corrosion resistance, light weight and high strength are the primary requirements. In the present study, attempts have ...  Read More ...
Research Paper
Thermal Performance of an Evacuated-Tube Solar Collector Using Nanofluids and an Electrical Curtain Controlled by an Artificial Intelligence Technique
Thermal Performance of an Evacuated-Tube Solar Collector Using Nanofluids and an Electrical Curtain Controlled by an Artificial Intelligence Technique

Hussam J. Rashid; Khalid F. Sultan; Hosham S. Anead

Volume 40, Issue 1 , January 2022, Page 8-19

https://doi.org/10.30684/etj.v40i1.2021

Abstract
  This paper studies the improvement of an evacuated tube solar collectors(ETSCs) performance in two way. The first is by adding a finned electronic curtain in front of the solar collector. ...  Read More ...
Research Paper
Corn Oil Performance’s A Bio Cooling Fluid in Electric Distribution Transformer
Corn Oil Performance’s A Bio Cooling Fluid in Electric Distribution Transformer

Ahmed A. Khudhair; Mohammed H. Jabal; Samar J. Ismail

Volume 40, Issue 1 , January 2022, Page 20-30

https://doi.org/10.30684/etj.v40i1.2031

Abstract
  Biodegradable (Vegetable) fluids are considered as environmentally friendly fluids and possess an abundant benefit, they are wildly available by means of renewable sources compared ...  Read More ...
Research Paper
Design and Implementation of an Electromechanical Brake System
Design and Implementation of an Electromechanical Brake System

Haider N. Faisal; Farag M. Mohammed; Jamal A. Mohammed

Volume 40, Issue 1 , January 2022, Page 31-39

https://doi.org/10.30684/etj.v40i1.2150

Abstract
  Nowadays, hydraulic brakes are already being replaced by electromechanical brakes (EMB) to improve quick-response brakes, efficient fuel consumption, environmentally sound, simple maintenance, ...  Read More ...
Research Paper
The Combining Effect of Inclination Angle, Aspect Ratio and Thermal Loading on the Dynamic Response of Clamped-Clamped Pipe Conveying Fluid
The Combining Effect of Inclination Angle, Aspect Ratio and Thermal Loading on the Dynamic Response of Clamped-Clamped Pipe Conveying Fluid

Jabbar H. Mohmmed; Mauwafak A. Tawfik; Qasim A. Atiyah

Volume 40, Issue 1 , January 2022, Page 40-48

https://doi.org/10.30684/etj.v40i1.2159

Abstract
  The investigation of the vibration of pipes containing flowing fluid is very essential to obtain an understanding of their dynamic behavior and prevent their catastrophic failure due ...  Read More ...
Research Paper
Optimization Process for Biodiesel Production From Waste Cooking of Vegetable Oil by Microwave Irradiation
Optimization Process for Biodiesel Production From Waste Cooking of Vegetable Oil by Microwave Irradiation

Raheek I. Ibrahim; Ahmed H. Reja; Abeer J. Kadhim

Volume 40, Issue 1 , January 2022, Page 49-59

https://doi.org/10.30684/etj.v40i1.1981

Abstract
  Biodiesel is the main alternative to diesel fuel today. The waste cooking vegetable oil can be used as a basic material in its preparation. Microwave irradiation is used in its production ...  Read More ...
Research Paper
Design and Implementation of Remote Real-Time Monitor System for Prosthetic Limbs
Design and Implementation of Remote Real-Time Monitor System for Prosthetic Limbs

Hussein A. Mansoure; Hadeel N. Abdullah

Volume 40, Issue 1 , January 2022, Page 60-65

https://doi.org/10.30684/etj.v40i1.2187

Abstract
  Persons with Lower-limb amputations experience movement restrictions resulting in worsening their life quality. Wearable sensors are often utilized to evaluate spatial and temporal ...  Read More ...
Research Paper
Flow Improvement and Viscosity Reduction for Crude Oil Pipelines Transportation Using Dilution and Electrical Field
Flow Improvement and Viscosity Reduction for Crude Oil Pipelines Transportation Using Dilution and Electrical Field

Noor I. Jalal; Raheek I. Ibrahim; Manal K. Oudah

Volume 40, Issue 1 , January 2022, Page 66-75

https://doi.org/10.30684/etj.v40i1.2192

Abstract
  One of the great challenges in pipeline transportation of heavy crude oil is the effect of viscosity on flow rate. By using viscosity reduction techniques, crude oil flow ability can ...  Read More ...
Research Paper
Manufacturing and Calibration of Conical Springs Lateral Stiffness Meter
Manufacturing and Calibration of Conical Springs Lateral Stiffness Meter

Muhammad S. Tahir; Shakir S. Hassan; Jumaa S. Chiad

Volume 40, Issue 1 , January 2022, Page 76-81

https://doi.org/10.30684/etj.v40i1.2201

Abstract
  The spring is an important mechanical part of which widely used in many industrial applications. There is an urgent need to know its stiffness property before use in any application. ...  Read More ...
Experimental Exergetic And Energetic Analysis of Different (PV) Array Configurations
Experimental Exergetic And Energetic Analysis of Different (PV) Array Configurations

Dalya A. Omer; Mahmoud M. Mahdi; Ahlam L. Shuraiji

Volume 40, Issue 1 , January 2022, Page 82-89

https://doi.org/10.30684/etj.v40i1.2052

Abstract
  It is well known that photovoltaic (PV) can be connected in parallel, series, and parallel series. In this study, four PV panels are connected in four different ways, i.e., 4panels ...  Read More ...
A Comparative Experimental Study Analysis of Solar Based Thermoelectric Refrigerator Using Different Hot Side Heat Sink
A Comparative Experimental Study Analysis of Solar Based Thermoelectric Refrigerator Using Different Hot Side Heat Sink

Nora F. Numan; Mahmmoud M. Mahdi; Majida K. Ahmed

Volume 40, Issue 1 , January 2022, Page 90-98

https://doi.org/10.30684/etj.v40i1.2058

Abstract
  The heat sink influences heat dissipation at the hot junction of the Peltier module and, hence, affects the performance of the thermoelectric refrigerator. The present work compares ...  Read More ...
Heat Transfer in Electronic Systems Printed Circuit Board: A Review
Heat Transfer in Electronic Systems Printed Circuit Board: A Review

Mustafa E. Kadum; Ahmed A. Imran; Sattar Aljabair

Volume 40, Issue 1 , January 2022, Page 99-108

https://doi.org/10.30684/etj.v40i1.2113

Abstract
  Thermal regulation has now become a staple in the design of electronic devices. As a result of technological advances in the electronic industry, component miniaturization and thermal ...  Read More ...
Experimental Investigation of Artificial Cavities Effect of Single-Phase Fluid Flow and Heat Transfer in Single Microchannel
Experimental Investigation of Artificial Cavities Effect of Single-Phase Fluid Flow and Heat Transfer in Single Microchannel

Qahtan A. Al-Nakeeb; Ekhlas M. Fayyadh; Moayed R. Hasan

Volume 40, Issue 1 , January 2022, Page 109-119

https://doi.org/10.30684/etj.v40i1.2122

Abstract
  In this paper, an experimental study has been conducted to investigate the influence of artificial cavities (artificial nucleation sites, ANS) in a single microchannel on the characteristics ...  Read More ...
Evaluating the Adhesive Properties of Four Types of Conventional Adhesives
Evaluating the Adhesive Properties of Four Types of Conventional Adhesives

Muhanad H. Mosa; Mohsin N. Hamzah

Volume 40, Issue 1 , January 2022, Page 120-128

https://doi.org/10.30684/etj.v40i1.2137

Abstract
  The development of manufacturing technology led to the appearance of various products that need effective types of adhesives with good strength and durability in different types of ...  Read More ...
A-Review for the Cooling Techniques of PV/T Solar Air Collectors
A-Review for the Cooling Techniques of PV/T Solar Air Collectors

Wisam H. Saleh; Abdullateef A. Jadallah; Ahlam L. Shuraiji

Volume 40, Issue 1 , January 2022, Page 129-136

https://doi.org/10.30684/etj.v40i1.2139

Abstract
  A solar thermal collector is one of the most popular applications of solar energy. It is a photovoltaic (PV) cell system with a thermal collector system, this system is utilized in ...  Read More ...
Experimental and Numerical Flexural Properties of Sandwich Structure with Functionally Graded Porous Materials
Experimental and Numerical Flexural Properties of Sandwich Structure with Functionally Graded Porous Materials

Emad Njim; Sadeq H. Bakhi; Muhannad Al-Waily

Volume 40, Issue 1 , January 2022, Page 137-147

https://doi.org/10.30684/etj.v40i1.2184

Abstract
  Functionally graded porous materials (FGPMs) are porous structures with a porosity gradient distributed over the entire volume. They have many applications in the aerospace, marine, ...  Read More ...
Experimental Investigation on the Effect of Adding Butanone to Gasoline in SI Engine Emissions and Performance
Experimental Investigation on the Effect of Adding Butanone to Gasoline in SI Engine Emissions and Performance

Abed Al-Khadhim M. Hassan; Sadeq A. Jassam

Volume 40, Issue 1 , January 2022, Page 148-158

https://doi.org/10.30684/etj.v40i1.2207

Abstract
  This research is performed to study and investigate the influence of adding some ketone compounds on performance, emissions, and heat balance of spark ignition engine. The compound ...  Read More ...
Blind Assistive System based on Real Time Object Recognition using Machine learning
Blind Assistive System based on Real Time Object Recognition using Machine learning

Mais R. Kadhim; Bushra K. Oleiwi

Volume 40, Issue 1 , January 2022, Page 159-165

https://doi.org/10.30684/etj.v40i1.1933

Abstract
  Healthy people carry out their daily lives normally, but the visually impaired and the blind face difficulties in practicing their daily activities safely because they are ignorant ...  Read More ...
Development the Mechanical Properties of the Acrylic Resin (PMMA) by Added Different Types of Nanoparticles, Used for Medical Applications
Development the Mechanical Properties of the Acrylic Resin (PMMA) by Added Different Types of Nanoparticles, Used for Medical Applications

Sura H. Ahmed; Waffa M. Salih

Volume 40, Issue 1 , January 2022, Page 166-171

https://doi.org/10.30684/etj.v40i1.2017

Abstract
  This research is studying the effect of reinforcement the acrylic resin (PMMA) by two types of nanoparticles, which included: Walnut shell (WSP) and Talc particles (TP) that practical ...  Read More ...
Solving Mixed-Model Assembly Lines Using a Hybrid of Ant Colony Optimization and Greedy Algorithm
Solving Mixed-Model Assembly Lines Using a Hybrid of Ant Colony Optimization and Greedy Algorithm

Huthaifa Al-Khazraji; Sohaib Khlil; Zina Alabacy

Volume 40, Issue 1 , January 2022, Page 172-180

https://doi.org/10.30684/etj.v40i1.2153

Abstract
  The assembly line balancing problem deals with the assignment of tasks to work stations. Mixed-model assembly line problem is a type of assembly line balancing problem at which two ...  Read More ...
Effect of Machining Parameters on Surface Roughness and Metal Removal Rate for AISI 310 L Stainless Steel in WEDM
Effect of Machining Parameters on Surface Roughness and Metal Removal Rate for AISI 310 L Stainless Steel in WEDM

Muayad M. Ali; Abbas F. Ibrahim

Volume 40, Issue 1 , January 2022, Page 181-188

https://doi.org/10.30684/etj.v40i1.2060

Abstract
  Wire electrical discharge machining (WEDM) is a non-traditional machining process that is widely used in the machining of conductive materials. This paper presents the investigation ...  Read More ...
The Effect of Process Parameters on the Compression Property of Acrylonitrile Butadiene Styrene Produced by 3D Printer
The Effect of Process Parameters on the Compression Property of Acrylonitrile Butadiene Styrene Produced by 3D Printer

Sabreen A. Oudah; Hind B. Al-Attraqchi; Nassir A. Nassir

Volume 40, Issue 1 , January 2022, Page 189-194

https://doi.org/10.30684/etj.v40i1.2118

Abstract
  Additive manufacturing (AM) by Fused Deposition Modelling (FDM) provides an innovative manufacturing method for complex geometry components. 3D printers have become easily accessible ...  Read More ...
The Effect of Secondary Slow on Droplets Behavior in Gas-Liquid Mixing Process Downstream of a Curved Duct
The Effect of Secondary Slow on Droplets Behavior in Gas-Liquid Mixing Process Downstream of a Curved Duct

Abdulsattar J. Mohammed; Akeel A. Nazzal

Volume 40, Issue 1 , January 2022, Page 195-206

https://doi.org/10.30684/etj.v40i1.2152

Abstract
  Experimental and numerical investigations are carried out on water injection in a humidification process of air traveling steadily through the curved part with a constant cross-section. ...  Read More ...
Optimization of Design Parameters for Manufacturing a Radial Active Magnetic Bearing with 12-Poles
Optimization of Design Parameters for Manufacturing a Radial Active Magnetic Bearing with 12-Poles

Mohamed N. Hamad; Muhannad Z. Khalifa; Jamal A. K. Mohammed

Volume 40, Issue 1 , January 2022, Page 207-216

https://doi.org/10.30684/etj.v40i1.2202

Abstract
  This research aims to design an Active Magnetic Bearing (AMB) after performing an optimization process via reducing the number of poles and by reducing air gap, Dia. Yoke, and Z-length ...  Read More ...
Improvement of Surface Roughness in Single Point Incremental Forming Process by the Implementation of Controlled Vibration
Improvement of Surface Roughness in Single Point Incremental Forming Process by the Implementation of Controlled Vibration

Reham A. Nema; Mauwafak A. Tawfik; Muthanna H. Sadoon

Volume 40, Issue 1 , January 2022, Page 217-225

https://doi.org/10.30684/etj.v40i1.2244

Abstract
  Vibration implementation that assists metal forming has many advantages, such as enhancement of surface equality, reducing the forming force and decreasing the stresses. The technology ...  Read More ...
Modeling and Simulation of Telescopic Hydraulic for Elevating Purposes
Modeling and Simulation of Telescopic Hydraulic for Elevating Purposes

Istabraq H. Abed Al-Hady; Farag M. Mohammed; Jamal A.K. Mohammed

Volume 40, Issue 1 , January 2022, Page 226-232

https://doi.org/10.30684/etj.v40i1.2253

Abstract
  The hydraulic cylinder is widely used in industry as the load lifting structures. A telescopic hydraulic cylinder is a special design of a cylinder with a series of gradually smaller ...  Read More ...
Electromechanical Design and Manufacturing of Dynamic Buckling Test Rig Under Various Temperature Conditions
Electromechanical Design and Manufacturing of Dynamic Buckling Test Rig Under Various Temperature Conditions

Shaymaa M. Mshattat; Hussain J.M Al-Alkawi; Ahmed H. Reja

Volume 40, Issue 1 , January 2022, Page 233-240

https://doi.org/10.30684/etj.v40i1.2276

Abstract
  A column is a structural member that bears an axial compressive load and is more likely to fail due to buckling compared to material strength. Some of these columns work at a high temperature ...  Read More ...
Effect of Temperature and Humidity Factors on Water Production Using Solar Energy with Smart Controlling
Effect of Temperature and Humidity Factors on Water Production Using Solar Energy with Smart Controlling

Ghusoon A. Aboud; Hashim A. Hussein; Ali H. Numan

Volume 40, Issue 1 , January 2022, Page 241-248

https://doi.org/10.30684/etj.v40i1.2282

Abstract
  The aim of the current work is to study the effect of temperature and humidity factors on the production of water from humid air using clean energy, as we have noticed that both factors ...  Read More ...
Control of PV Panel System Temperature Using PID Cuckoo Search
Control of PV Panel System Temperature Using PID Cuckoo Search

Fadi M. Khaleel; Ibtisam A. Hasan; Mohammed J. Mohammed

Volume 40, Issue 1 , January 2022, Page 249-256

https://doi.org/10.30684/etj.v40i1.2307

Abstract
  In this study, the PV panel behavior as a nonlinear system had been studied well. The main contribution of this work was cooling the PV panel temperature to get the optimal power using ...  Read More ...
Design of a Sliding Mode Controller for a Prosthetic Human Hand’s Finger
Design of a Sliding Mode Controller for a Prosthetic Human Hand’s Finger

Hussein Sh. Majeed; Saleem K. Kadhim; Alaa A. Jaber

Volume 40, Issue 1 , January 2022, Page 257-266

https://doi.org/10.30684/etj.v40i1.1943

Abstract
  In this research paper, the modeling and control of a tendon-driven, instead of joint motors, the prosthetic finger that mimics the actual human index finger were deliberated. Firstly, ...  Read More ...
A Modified Kalman Filter-Based Mobile Robot Position Measurement using an Accelerometer and Wheels Encoder
A Modified Kalman Filter-Based Mobile Robot Position Measurement using an Accelerometer and Wheels Encoder

Ali Madhloom; Firas A. Raheem; Azad R. Kareem

Volume 40, Issue 1 , January 2022, Page 267-274

https://doi.org/10.30684/etj.v40i1.2082

Abstract
  Position measurement is an essential process of mobile robot navigation. In this research, a Kalman Filter is applied to locating a mobile robot furnisher with an encoder and accelerometer. ...  Read More ...
Effect of the Waste Rubber Tires Aggregate on Some Properties of Normal Concrete
Effect of the Waste Rubber Tires Aggregate on Some Properties of Normal Concrete

Abdul R. Kamel; Ahmed H. Ali; Nahedh Mahmood; Mohammed M. Kadhum

Volume 40, Issue 1 , January 2022, Page 275-281

https://doi.org/10.30684/etj.v40i1.2166

Abstract
  Waste rubber tires are considered to have substantial environmental and economic impacts, and they are non-biodegradable.  This study aims to get rid of waste tires as much as ...  Read More ...
Preparation of Metakaolin Based Geopolymer Foam Using a Combination of Na and K Types of Alkali Activators
Preparation of Metakaolin Based Geopolymer Foam Using a Combination of Na and K Types of Alkali Activators

mohammed S. Radhi; Ahmed M. Al-Ghaban; Imad A. Disher

Volume 40, Issue 1 , January 2022, Page 282-289

https://doi.org/10.30684/etj.v40i1.2188

Abstract
  In this research, the ordinary Portland cement (OPC) was mixed with metakaolin, activator, hydrogen peroxide, and olive oil to synthesize hybrid geopolymer foam. The obtained results ...  Read More ...