Research Paper
Effect of Adding Silver Element and Zirconia Ceramic on Corrosion Behavior and Mechanical Properties of Pure Titanium
Effect of Adding Silver Element and Zirconia Ceramic on Corrosion Behavior and Mechanical Properties of Pure Titanium

Wehad A. Al-Rawy; Emad S. Al-Hassani

Volume 39, 5A , May 2021, Page 674-694

https://doi.org/10.30684/etj.v39i5A.1087

Abstract
  In this research, all the samples are prepared using the powder metallurgy technique by adding silver element and Zirconia ceramic material to the commercially pure titanium at a different ...  Read More ...
Research Paper
Effect of Adding TiO2on Some Mechanical Properties of Galloy
Effect of Adding TiO2on Some Mechanical Properties of Galloy

Osamah A. Khadhair; Rana A. Anaee; Kadhum M. Shabeeb

Volume 39, 5A , May 2021, Page 695-702

https://doi.org/10.30684/etj.v39i5A.1395

Abstract
  Because of importance the Ga alloys in dental applications, many attempts were  done  to  improve  the  properties  of  this  alloy. The  ...  Read More ...
Research Paper
Effect of CO2 Laser Fluence on Cladding Geometrical Dimensions Alternations
Effect of CO2 Laser Fluence on Cladding Geometrical Dimensions Alternations

Mohammed J. Kadhim; Mahdi M. Hanon; Suhair A. Hussein

Volume 39, 5A , May 2021, Page 703-710

https://doi.org/10.30684/etj.v39i5A.1474

Abstract
  Geometrical dimensions could play a potential role in the function of laser cladding of nickel-base powder on the cold-rolled carbon steel substrate. The geometrical dimensions and ...  Read More ...
Research Paper
Secured Medical Image Hashing Based on Frequency Domain with Chaotic Map
Secured Medical Image Hashing Based on Frequency Domain with Chaotic Map

Amira K. Jabbar; Ashwaq T. Hashim; Qusay F. Al-Doori

Volume 39, 5A , May 2021, Page 711-722

https://doi.org/10.30684/etj.v39i5A.1786

Abstract
  Recently, online-medicine got increased global interest, particularly during COVID19 pandemic. Data protection is important in the medical field since when promoting telemedicine applications, ...  Read More ...
Research Paper
Protection Coordination of 33/11 kV Power Distribution Substation in Iraq
Protection Coordination of 33/11 kV Power Distribution Substation in Iraq

Thamir Abdul-Wahhab; Yamur M. Obied

Volume 39, 5A , May 2021, Page 723-737

https://doi.org/10.30684/etj.v39i5A.1790

Abstract
  The coordination between protective devices is the process of determining the most appropriate timing of power interruption during abnormal conditions in the power system. The aim of ...  Read More ...
Research Paper
Analysis of Distribution System Reconfiguration under Different Load Demand in AL-KUT City by using PSO Algorithm
Analysis of Distribution System Reconfiguration under Different Load Demand in AL-KUT City by using PSO Algorithm

Zahraa H. Dawood; Rashid AL-Rubayi

Volume 39, 5A , May 2021, Page 738-753

https://doi.org/10.30684/etj.v39i5A.1842

Abstract
  Network reconfiguration is the best way to inquisitive a flexible, reliable and effective distribution network. An efficient optimization technique that uses Particle Swarm Optimization ...  Read More ...
Research Paper
Dynamic Power Consumption In CMOS N Bit Full-Adder Circuit
Dynamic Power Consumption In CMOS N Bit Full-Adder Circuit

Amal F. Hasan; Qusay F. Al-Doori

Volume 39, 5A , May 2021, Page 754-767

https://doi.org/10.30684/etj.v39i5A.1846

Abstract
  This paper discusses power consumption in the full adder circuit using some fabrication technologies. Though many studies related to power consumption in the full adder circuit were ...  Read More ...
Research Paper
Experimental Investigation of Surface Roughness Using Uncoated and Coated Tungsten Carbide Cutting Tool in Turning Operation
Experimental Investigation of Surface Roughness Using Uncoated and Coated Tungsten Carbide Cutting Tool in Turning Operation

Frzdaq N. Thamer; Ali Abbar; Farhad. M. Othman

Volume 39, 5A , May 2021, Page 768-778

https://doi.org/10.30684/etj.v39i5A.1887

Abstract
  The cutting process is an important process of industrialization. It is requisite to using advantage quality cutting tools in order to preserve the type of product. Coating on the cutting ...  Read More ...
Research Paper
Modeling and Control of Wheeled Mobile Robot With Four Mecanum Wheels
Modeling and Control of Wheeled Mobile Robot With Four Mecanum Wheels

Sameh F. Hasana; Hasan M. Alwan

Volume 39, 5A , May 2021, Page 779-789

https://doi.org/10.30684/etj.v39i5A.1926

Abstract
  This work presents a driving control for the trajectory tracking of four mecanum wheeled mobile robot (FMWMR). The control consists of Backstepping-Type 1 Fuzzy Logic-Particle swarm ...  Read More ...
Research Paper
Humidification Effect on the Performance and Emissions of (DI) Diesel Engine Running on Diesel Fuel with Biodiesel Blended Nano Additives
Humidification Effect on the Performance and Emissions of (DI) Diesel Engine Running on Diesel Fuel with Biodiesel Blended Nano Additives

Hussein Jumaa; Mahmoud A. Mashkour

Volume 39, 5A , May 2021, Page 790-803

https://doi.org/10.30684/etj.v39i5A.1935

Abstract
  The effect of humidification of the air on the performance of a compression ignition engine operating on diesel, biodiesel with nano additives was investigated. The experiment was carried ...  Read More ...
Research Paper
A Review on Path Planning Algorithms for Mobile Robots
A Review on Path Planning Algorithms for Mobile Robots

Mustafa S. Abed; Omar F. Lutfy; Qusay F. Al-Doori

Volume 39, 5A , May 2021, Page 804-820

https://doi.org/10.30684/etj.v39i5A.1941

Abstract
  Mobile robots use is rising every day. Path planning algorithms are needed to make a traveler of robots with the least cost and without collisions. Many techniques have been developed ...  Read More ...
Research Paper
Flexural Properties of Functionally Graded Polymer Alumina Nanoparticles
Flexural Properties of Functionally Graded Polymer Alumina Nanoparticles

Mahdi M. S. Shareef; Ahmed N. Al-Khazraji; Samir A. Amin

Volume 39, 5A , May 2021, Page 821-835

https://doi.org/10.30684/etj.v39i5A.1949

Abstract
  In this paper, a functionally graded polymer nanocomposite (FGPNC) was arranged via mixing the Alumina (Al2O3) nanoparticles (50 – 100 nm) with an epoxy matrix through five layers ...  Read More ...
Research Paper
Gasoil Hydro-desulfurization using Catalyst synthesized from Iraqi Kaolin Clay: Optimization with Response Surface Methodology (RSM)
Gasoil Hydro-desulfurization using Catalyst synthesized from Iraqi Kaolin Clay: Optimization with Response Surface Methodology (RSM)

Khlood S. AlKhafaji; Zaidoon M. Shakor; Bashir Y. Al-Zaidi; Sattar J. Hussein

Volume 39, 5A , May 2021, Page 836-845

https://doi.org/10.30684/etj.v39i5A.1977

Abstract
  This search aim to study the feasibility of hydro-desulfurization (HDS) of gas oil in fixed bed reactor by using economic support catalyst alumina meta kaolin (AMK) under various operating ...  Read More ...
Research Paper
Experimental Investigation of The Optimal Location of PCM Capsules in a Hollow Brick Wall
Experimental Investigation of The Optimal Location of PCM Capsules in a Hollow Brick Wall

Hayder Abbas; Jalal M. Jalil; Sabah T. Ahmed

Volume 39, 5A , May 2021, Page 846-858

https://doi.org/10.30684/etj.v39i5A.1980

Abstract
  In this paper, an experimental investigation of the integration of PCM capsules as insulation material into the outer or inner rows of hollow brick to find out the optimum location ...  Read More ...
Research Paper
Quadratic Support Vector Machine and K-Nearest Neighbor Based Robust Sensor Fault Detection and Isolation
Quadratic Support Vector Machine and K-Nearest Neighbor Based Robust Sensor Fault Detection and Isolation

Ahmed M. Abed; Sabah A. Gitaffa; Abbas H. Issa

Volume 39, 5A , May 2021, Page 859-869

https://doi.org/10.30684/etj.v39i5A.2002

Abstract
  Fault detection plays a serious role in high-cost and safety-critical processes. There are two main drivers for continuous improvement in the area of early detection of process faults ...  Read More ...