Laser surface cleaning of stones and some metal objects
Laser surface cleaning of stones and some metal objects

Walid K. Hamoudi; Mehdi S. Edan; Hanan I. . Ibrahim

Volume 33, 5B , June 2015, , Page 972-983

https://doi.org/10.30684/etj.33.5B.21

Abstract
  Iron, copper and stone samples were cleaned by Nd: YAG laser using different number of nano laser pulses at variable intensities. Fundamental (1.06 µm) and frequency doubled (0.53 ...  Read More ...
Numerical Investigation on the Performance of an External Compression Supersonic Air Intake Using By-Pass Technique
Numerical Investigation on the Performance of an External Compression Supersonic Air Intake Using By-Pass Technique

Jalal M. Jalil; Abdullateef A. Jadallah; Ahmed F. Mahdi

Volume 31, A 6 , June 2013, , Page 1011-1025

https://doi.org/10.30684/etj.31.6A1

Abstract
  Two-dimensional, supersonic flow field computation with by-pass holes has been conducted using Euler equation. An algorithm based on finite difference McCormack's technique is used ...  Read More ...