| Title | Author |
| Effecting of Temperature Variation on Gear Tooth Fault Detection by Using AE in Helical Gear | M.A. Hamel / M. EM. Abid / Abdulmajid Addali / David Mba |
| Effect of steam injection in Intercooling and Heat Regenerative Gas Turbine cycle IHSTIG | Hisham AlGraiw / Ahmed Alajely / Abdulmenam Shaban |