Research Paper
Complex Surface Representation and Machining Time Estimation Upon Three Types of End Mill Cutter
Complex Surface Representation and Machining Time Estimation Upon Three Types of End Mill Cutter

Rasha J. Marzoog; Ahmed A. Alduroobi A. Alduroobi; Sawsan S. Al-Zubaidy

Volume 37, 9A , September 2019, Page 354-358

https://doi.org/10.30684/etj.37.9A.1

Abstract
  The accuracy of data transition between CAD and CAM has been playing a great role in the product life cycle, and eventually, the product quality. As products complexity increased, the ...  Read More ...
Research Paper
Smoothing Smartphone GPS Raw Measurements
Smoothing Smartphone GPS Raw Measurements

Tariq N. Ataiwe; Abbas Z. Khalaf; Israa H. Mohammed

Volume 37, 9A , September 2019, Page 359-363

https://doi.org/10.30684/etj.37.9A.2

Abstract
  This  research aims  to  investigate  the  smoothing  of  the  pseudo-range raw  measurements  of  the  smartphone  ...  Read More ...
Research Paper
Point Cloud Pre-Processing and Surface Reconstruction Based on Chord Algorithm Technique
Point Cloud Pre-Processing and Surface Reconstruction Based on Chord Algorithm Technique

Ali M. Al-Badairy; Ahmed A. Al-Duroobi; Maan A. Tawfiq

Volume 37, 9A , September 2019, Page 364-368

https://doi.org/10.30684/etj.37.9A.3

Abstract
  3D laser scanner is one of the modern technologies, which used to obtain the geometric information about the 3D scanned object surface. But, there are some problems that are associated ...  Read More ...
Research Paper
Recycling of Waste Paraffin Wax by the Addition of SiO2 Nano-Powders to Improve Thermal Conductivity
Recycling of Waste Paraffin Wax by the Addition of SiO2 Nano-Powders to Improve Thermal Conductivity

Aseel B. Al-Zubaidi

Volume 37, 9A , September 2019, Page 369-373

https://doi.org/10.30684/etj.37.9A.4

Abstract
  Paraffin wax is an important material used in thermal energy storage (TES) systems. The thermal conductivity of the material is an important parameter that decides the degree of exploitation ...  Read More ...
Research Paper
A Compact Single-Feed Patch Antenna with Frequency and Polarization Diversity
A Compact Single-Feed Patch Antenna with Frequency and Polarization Diversity

Fayyadh H. Ahmed

Volume 37, 9A , September 2019, Page 374-383

https://doi.org/10.30684/etj.37.9A.5

Abstract
  A new compact single feed square ring patch antenna using meandered 4λ transformer is designed, for frequency and polarization diversity. The proposed antenna is constructed ...  Read More ...