Research Paper
Investigation the Morphological Characteristics of the Particulate Matter Emissions from the Oxygenated Fuels Combustion in Diesel Engines
Investigation the Morphological Characteristics of the Particulate Matter Emissions from the Oxygenated Fuels Combustion in Diesel Engines

Mohammed A. Fayad; Bashar R. AL-Ogaidi

Volume 37, 10A , October 2019, Page 384-390

https://doi.org/10.30684/etj.37.10A.1

Abstract
  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 ...  Read More ...
Research Paper
An Overview on Most Effective DRAs in Crude Oil Pipelines
An Overview on Most Effective DRAs in Crude Oil Pipelines

Raheeq I. Ibrahim; Manal K. Odah; Dhoha A. Shafeeq

Volume 37, 10A , October 2019, Page 391-397

https://doi.org/10.30684/etj.37.10A.2

Abstract
  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 ...  Read More ...
Research Paper
The Air Bubbles Effect for Underwater Optical Wireless Communication Using 650 nm Wavelength
The Air Bubbles Effect for Underwater Optical Wireless Communication Using 650 nm Wavelength

Salah A. Adnan; Mazin A.A. Ali; Fatima S. Hakwar

Volume 37, 10A , October 2019, Page 398-403

https://doi.org/10.30684/etj.37.10A.3

Abstract
  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 ...  Read More ...
Research Paper
Effect of laser Peening on the Microhardness and Roughness of Al-7277 alloy
Effect of laser Peening on the Microhardness and Roughness of Al-7277 alloy

Mays O. Hashim; Abdul Hadi K. Judran; Razi J. Al Azawi

Volume 37, 10A , October 2019, Page 404-407

https://doi.org/10.30684/etj.37.10A.4

Abstract
  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 ...  Read More ...
Research Paper
Experimental Investigation of Sub-Cooled Flow Boiling in Metallic Microchannel
Experimental Investigation of Sub-Cooled Flow Boiling in Metallic Microchannel

Suha A. mohammed; Ekhlas Mohammed Fayyadh

Volume 37, 10A , October 2019, Page 408-415

https://doi.org/10.30684/etj.37.10A.5

Abstract
  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 ...  Read More ...
Research Paper
Design and Control of a Full-Scale Quarter Car Test Rig for Semi-Active Suspension System
Design and Control of a Full-Scale Quarter Car Test Rig for Semi-Active Suspension System

Bahaa-Aldin R. Abdullah; Mohsin N. Hamzah; Ammar S. Merza

Volume 37, 10A , October 2019, Page 416-421

https://doi.org/10.30684/etj.37.10A.6

Abstract
  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 ...  Read More ...
Research Paper
Survey of User to User Recommendation System in Online Social Networks
Survey of User to User Recommendation System in Online Social Networks

Sammer A. Qader; Ayad R. Abbas

Volume 37, 10A , October 2019, Page 422-428

https://doi.org/10.30684/etj.37.10A.7

Abstract
  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 ...  Read More ...
Research Paper
Hydraulic Analysis of Irrigation Network for the Proposed Taq-Taq Dam Using EPANET Software
Hydraulic Analysis of Irrigation Network for the Proposed Taq-Taq Dam Using EPANET Software

Ibtisam R. Karim; Sarmad A. Sahib

Volume 37, 10A , October 2019, Page 429-434

https://doi.org/10.30684/etj.37.10A.8

Abstract
  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 ...  Read More ...
Research Paper
Structural and Morphological Investigation of Cr2O3/WO3Oxides Films Composite Using Modified Spray Pyrolysis Technique
Structural and Morphological Investigation of Cr2O3/WO3Oxides Films Composite Using Modified Spray Pyrolysis Technique

Zena A. Salman; Farhad M. Othman; Alaa A. Abdul-hamed

Volume 37, 10A , October 2019, Page 435-441

https://doi.org/10.30684/etj.37.10A.9

Abstract
  Cr2O3/WO3 oxides film composite was successfully synthesized via advanced controlled chemical spray pyrolysis deposition technique using two nozzles. Two solutions of tungstic acid ...  Read More ...
Research Paper
Modelling the Ecosystem Behavior of Abu-Ziriq Marsh in South of Iraq Under Different Water Discharges Scenarios
Modelling the Ecosystem Behavior of Abu-Ziriq Marsh in South of Iraq Under Different Water Discharges Scenarios

Fuaad H. Al-Yaseen; Mustafa M. Al-Mukhtar

Volume 37, 10A , October 2019, Page 442-452

https://doi.org/10.30684/etj.37.10A.10

Abstract
  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 ...  Read More ...