Designing ANN for Load Flow in Electrical Power Systems Using EBP Algorithm
Designing ANN for Load Flow in Electrical Power Systems Using EBP Algorithm

Dhari Y. Al-Samarace; May R. Victor

Volume 24, Issue 10 , October 2005, , Page 1352-1362

https://doi.org/10.30684/etj.24.10A.6

Abstract
  Load flow studies are important in power system planning, control and operating strategies when applied in real time mode. Comparative study between different load flow solution methods ...  Read More ...
Stay in Place Formwork, Encased Reinforced Concrete Column: A Review
Stay in Place Formwork, Encased Reinforced Concrete Column: A Review

Zainab H. Abbas; Maan S. Hassan; Iqbal N. Gorgis

Volume 41, Issue 11 , November 2023, , Page 1355-1378

https://doi.org/10.30684/etj.2023.139421.1428

Abstract
  Formwork systems are required for almost all cast-in-place concrete construction. However, some forms cost too much, often exceeding 30% of the entire cost of the concrete construction. ...  Read More ...
OFDM System Performance Enhancement Using Wavelet Transform and DS-SS System over Multipath Fading Channel
OFDM System Performance Enhancement Using Wavelet Transform and DS-SS System over Multipath Fading Channel

Siddeeq Y. Ameen; Wa'il Abdul-Hasan Hadi

Volume 24, Issue 10 , October 2005, , Page 1363-1376

https://doi.org/10.30684/etj.24.10A.7

Abstract
  In this paper discrete wavelet transform based orthogonal frequency division multiplexing (DWT-OFDM) system its proposed to improve the bandwidth efficiency by removing the cyclic prefix ...  Read More ...
A New Algorithm For Reconstruction of Lost Blocks Using Discrete Wavelet Transform
A New Algorithm For Reconstruction of Lost Blocks Using Discrete Wavelet Transform

Waleed A. Mahmoud; Mutaz S. Abdul-Wahab; Atheer A. Sabri

Volume 24, Issue 10 , October 2005, , Page 1377-1387

https://doi.org/10.30684/etj.24.10A.8

Abstract
  A new algorithm for reconstruction of a completely lost blocks using the 1-D discrete wavelet transform is proposed in this paper. Fading in wireless channels can cause the entire transmission ...  Read More ...
Waste Rubber Pre-treatments and Their Effects on Compressive and Flexural Strength of Modified SIFCON
Waste Rubber Pre-treatments and Their Effects on Compressive and Flexural Strength of Modified SIFCON

Ali M. Alibraheem; Basil S. Al-Shathr

Volume 41, Issue 11 , November 2023, , Page 1379-1389

https://doi.org/10.30684/etj.2023.141759.1511

Abstract
  Slurry-infiltrated fiber concrete (SIFCON) is a comparatively new and unique steel fiber-reinforced concrete (FRC) form. SIFCON possesses many desirable characteristics, including high ...  Read More ...
A Static and Dynamic Analysis of A High-Speed Turbo Machine Foundation
A Static and Dynamic Analysis of A High-Speed Turbo Machine Foundation

Ameer A. Ahmed; Mohammed Y. Fattah; Makki K. Mohsen

Volume 41, Issue 11 , November 2023, , Page 1390-1402

https://doi.org/10.30684/etj.2023.142820.1547

Abstract
  The foundation plays a significant role in safe and efficient turbo machinery operation. Turbomachinery generates harmonic load on the foundation due to its high-speed rotating motion, ...  Read More ...
Single Variable Thick Plate Buckling Problems Using Double Finite Sine Transform Method
Single Variable Thick Plate Buckling Problems Using Double Finite Sine Transform Method

Charles Chinwuba Ike

Volume 41, Issue 11 , November 2023, , Page 1403-1413

https://doi.org/10.30684/etj.2023.142504.1537

Abstract
  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 ...  Read More ...
Dynamic Characterization Assessment and Optimization of Reactive Powder Underwater Concrete
Dynamic Characterization Assessment and Optimization of Reactive Powder Underwater Concrete

Doha M. AlSaffar; Basil S. Al-Shathr; Suhair K. Abed

Volume 41, Issue 11 , November 2023, , Page 1414-1431

https://doi.org/10.30684/etj.2023.143193.1566

Abstract
  This study investigates the dynamic properties of Reactive Powder Underwater Concrete (RPUWC), a novel composite integrating attributes of Reactive Powder Concrete and underwater cast ...  Read More ...
Comparison between the Effect of Adding MSGNP and B4C-WC Nanoparticles on the Metallurgical and Mechanical Characterization of Al-7075 Composites Produced by Stir Casting
Comparison between the Effect of Adding MSGNP and B4C-WC Nanoparticles on the Metallurgical and Mechanical Characterization of Al-7075 Composites Produced by Stir Casting

Haneen Lateef; Saad M. Ali

Volume 41, Issue 12 , December 2023, , Page 1552-1566

https://doi.org/10.30684/etj.2023.142697.1544

Abstract
  Metal Matrix Composite (MCC) reveals considerably better properties, such as low density, high tensile strength, hardness, and good resistance to wear compared with every alloy or other ...  Read More ...
Evaluation of the Performance of Steel Slag and Waste Glass as a Cement Replacement
Evaluation of the Performance of Steel Slag and Waste Glass as a Cement Replacement

Ahmed T. Azeez; Maan S. Hassan; Alaa A. Atiyah

Volume 41, Issue 12 , December 2023, , Page 1567-1577

https://doi.org/10.30684/etj.2023.143602.1597

Abstract
  The industrial development and growth in population activity caused an annual increase in solid wastes over the past decades. The emissions of CO2 from the cement industry are the main ...  Read More ...
Using Taguchi Design to Compare the Corrosion Behavior of Commercial Pure Ti Alloys Coated by Dip and Electrophoretic Deposition with YSZ
Using Taguchi Design to Compare the Corrosion Behavior of Commercial Pure Ti Alloys Coated by Dip and Electrophoretic Deposition with YSZ

Marwan B. Hussein; Ali M. Mustafa; Makarim H. Abdulkareem

Volume 41, Issue 12 , December 2023, , Page 1578-1593

https://doi.org/10.30684/etj.2023.143016.1557

Abstract
  This study makes experimental evaluations of the corrosion and tip tests of  CP-Ti joint (commercial pure Ti) implant alloys coated with YSZ nanoceramic. A Taguchi design of experiments ...  Read More ...
Integrating Grey Relation Analysis and Artificial Neural Networks for Optimal Machining of Tungsten Carbide Composite Using Hybrid Electrochemical Discharge
Integrating Grey Relation Analysis and Artificial Neural Networks for Optimal Machining of Tungsten Carbide Composite Using Hybrid Electrochemical Discharge

Vian N. Najm; Tahseen F. Abbas; Shukry H. Aghdeab

Volume 41, Issue 12 , December 2023, , Page 1594-1610

https://doi.org/10.30684/etj.2023.143347.1581

Abstract
  Hybrid Electrochemical Discharge Machining (ECDM) streamlines the manufacturing process for challenging materials. Tungsten carbide (WC) is widely recognized as a formidable material ...  Read More ...
Analyzing the Impact of FDM Parameters on Compression Strength and Dimensional Accuracy in 3D printed PLA Parts
Analyzing the Impact of FDM Parameters on Compression Strength and Dimensional Accuracy in 3D printed PLA Parts

Hind H. Abdulridha; Tahseen F. Abbas

Volume 41, Issue 12 , December 2023, , Page 1611-1626

https://doi.org/10.30684/etj.2023.143615.1599

Abstract
  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 ...  Read More ...
Investigation of the Effect of SPIF Parameters on the Thickness of Al 2024 Alloy
Investigation of the Effect of SPIF Parameters on the Thickness of Al 2024 Alloy

Halah Ali Habeeb; Muhsin J. Jweeg; Ali Abbar Khleif

Volume 41, Issue 12 , December 2023, , Page 1627-1637

https://doi.org/10.30684/etj.2023.143718.1604

Abstract
  Sheet metal forming is one of the most commonly used manufacturing processes because millions of different parts are formed daily. In the single-point incremental forming process (SPIF), ...  Read More ...
Investigation of the Level of Adoption of the Lean Philosophy in Small and Medium Enterprises Using integrated Fuzzy Assessment Model Based on Fuzzy DEMATEL / Fuzzy TOPSIS
Investigation of the Level of Adoption of the Lean Philosophy in Small and Medium Enterprises Using integrated Fuzzy Assessment Model Based on Fuzzy DEMATEL / Fuzzy TOPSIS

Zainab Al-Baldawi; AllaEldin H. Kassam; Sawsan Sabeeh A. Al-Zubaidi

Volume 41, Issue 12 , December 2023, , Page 1638-1652

https://doi.org/10.30684/etj.2023.143396.1583

Abstract
  Lean Production is a continuous improvement philosophy derived from the Toyota Production System (TPS) aimed at improving the operational efficiency and performance of companies. Although ...  Read More ...
Investigating the Impact of Process Parameters on Thinning and Formability in Aluminum Alloy AA 1050 Incremental Sheet Metal Forming
Investigating the Impact of Process Parameters on Thinning and Formability in Aluminum Alloy AA 1050 Incremental Sheet Metal Forming

Safaa K. Ghazi; Aqeel S. Bedana; Maher Y. Salloom

Volume 41, Issue 12 , December 2023, , Page 1653-1659

https://doi.org/10.30684/etj.2023.143119.1561

Abstract
  ISMF is a potential manufacturing technology that uses progressive deformation to create complicated shapes. ISMF produces sheet metal consecutively using targeted tool movement. This ...  Read More ...
Design and Construction of a Laser Range-Finder at (10.6μm)
Design and Construction of a Laser Range-Finder at (10.6μm)
Volume 24, Issue 7 , July 2005

https://doi.org/10.30684/etj.24.7A.11

Abstract
  Due to present importance of laser range-finders and their applications severalindustrial, medical and military applications, especially range finding, require theuse of long life sealed ...  Read More ...
Study The Tensile Properties At High Temperature For Composite Material of Aluminum-Silicon Carbide
Study The Tensile Properties At High Temperature For Composite Material of Aluminum-Silicon Carbide
Volume 24, Issue 7 , July 2005

https://doi.org/10.30684/etj.24.7A.12

Abstract
  The aim of the present research is to study the deformation behavior of (AL- Mg-Si) Alloy reinforced with (Sic) particles at elevated temperature under active load of tension. The ...  Read More ...
The Effect of Geometry From an Longitudinal Trihedron Cylinder with Different Slope Angle on the Free Convection Heat Transfer Coefficient
The Effect of Geometry From an Longitudinal Trihedron Cylinder with Different Slope Angle on the Free Convection Heat Transfer Coefficient
Volume 24, Issue 7 , July 2005

https://doi.org/10.30684/etj.24.7A.13

Abstract
  This study deals with heat transfer by free convection from the outer surface of two cylinders (Triangular & Rectangular shape fined cylinder). The experimental work was conducted ...  Read More ...
Theoretical Study of Mixed Convection In Isothermal Triangular Channel
Theoretical Study of Mixed Convection In Isothermal Triangular Channel
Volume 24, Issue 7 , July 2005

https://doi.org/10.30684/etj.24.7A.14

Abstract
  Numerical study of mixed convection heat transfer within axial triangular channel was predicted. The channel surfaces have equal length and have a constant temperature. The fluid flow ...  Read More ...
Study the Effect of LASER Surface Treatment on AL-Si alloy type(390)
Study the Effect of LASER Surface Treatment on AL-Si alloy type(390)
Volume 24, Issue 7 , July 2005

https://doi.org/10.30684/etj.24.7A.15

Abstract
  The aim of research is to study the effect of hent treatment by using pulse Nd- glass laser with pulse duration 300ps, on surface properties of aluminum - silicon casting type (390). ...  Read More ...
An Investigation of CNC Thermal Cutting Machine Development and Evaluation
An Investigation of CNC Thermal Cutting Machine Development and Evaluation

J H MOHAMED

Volume 24, Issue 7 , July 2005

https://doi.org/10.30684/etj.24.7A.1

Abstract
  This article aims to develop and evaluate a Computerized Numerical Control (CNC) motion system for a thermal cutting machine. A PC-based numerical control unit was constructed and other ...  Read More ...
An Approach To 3D Surface Curvature Analysis
An Approach To 3D Surface Curvature Analysis

Laith A Mohammed

Volume 24, Issue 7 , July 2005

https://doi.org/10.30684/etj.24.7A.2

Abstract
  This paper reviews the graphical tools available for checking the quality of CAD/CAM (Computer Aided Design / Manufacture) surface models (B-Spline form). It is possible to use these ...  Read More ...
A Three-Dimensional Study of Laminar and Turbulent Wall Jets
A Three-Dimensional Study of Laminar and Turbulent Wall Jets

Talib K. Murtadha

Volume 24, Issue 7 , July 2005

https://doi.org/10.30684/etj.24.7A.3

Abstract
  A numerical study of three-dimensional laminar and turbulent wall jet issuing from a rectangular orifice is presented. The numerical simulation was based on k-e model. The Navier-Stokes, ...  Read More ...
An Assessment of Transonic Flow on NACA Airfoil With K-Epsilon Standard, RNG and Spalar Turbulent Models Using A Quadrilateral Grid
An Assessment of Transonic Flow on NACA Airfoil With K-Epsilon Standard, RNG and Spalar Turbulent Models Using A Quadrilateral Grid

M. Abed Al-Dulaimy Fayadh

Volume 24, Issue 7 , July 2005

https://doi.org/10.30684/etj.24.7A.5

Abstract
  The main objective of the present work is to investigate the characteristic of transonic viscous flow with standard k-c, RNG and Spalart turbulent model using numerical technique matching ...  Read More ...