Research Paper
Characteristics of Artificial, Gypsified and Natural Gypseous Soils under Dry Condition
Characteristics of Artificial, Gypsified and Natural Gypseous Soils under Dry Condition

Wisam M. Yaqoob; Falah H. Rahil; Moammed A. Al-Neami

Volume 37, 8A , August 2019, Page 302-312

https://doi.org/10.30684/etj.37.8A.1

Abstract
  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 ...  Read More ...
Research Paper
A Hybrid Neural-Fuzzy Network Based Fault Detection and IsolationSystem for DC Motor of Robot Manipulator
A Hybrid Neural-Fuzzy Network Based Fault Detection and IsolationSystem for DC Motor of Robot Manipulator

Arkan A. Jassim; Abbas H. Issa; Qusay A. Jawad

Volume 37, 8A , August 2019, Page 326-331

https://doi.org/10.30684/etj.37.8A.3

Abstract
  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 ...  Read More ...
Research Paper
Effect of Radial Clearance on Stress and Strain Distribution in the Astral Deep Drawing
Effect of Radial Clearance on Stress and Strain Distribution in the Astral Deep Drawing

Waleed K. Jawad; Ali T. Ikal

Volume 37, 8A , August 2019, Page 332-340

https://doi.org/10.30684/etj.37.8A.4

Abstract
  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 ...  Read More ...
Research Paper
Effect of Potassium Chloride and Potassium Sulphate Electrolyte Solutionon Surface Roughnessand Material Removal Rate in Electro Chemical Machining (ECM)
Effect of Potassium Chloride and Potassium Sulphate Electrolyte Solutionon Surface Roughnessand Material Removal Rate in Electro Chemical Machining (ECM)

Heba S. Qasim; Shukry H. Aghdeab

Volume 37, 8A , August 2019, Page 341-347

https://doi.org/10.30684/etj.37.8A.5

Abstract
  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) ...  Read More ...
Research Paper
Vacuum Effect on the Performance of Solar Air Collector with Micro-Channel Absorber Plate
Vacuum Effect on the Performance of Solar Air Collector with Micro-Channel Absorber Plate

Jalal M. Jalil; Nashwa A.Abdulkadhim A. Abdulkadhim

Volume 37, 8A , August 2019, Page 348-353

https://doi.org/10.30684/etj.37.8A.6

Abstract
  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 ...  Read More ...