| 1. | Experimental investigation of 3D-printed tubular and swirl star grains as solid fuels for hybrid rocket engines | |
| Volume 21, Issue 21, September 2025, Pages 1-11 | ||
| M El-Naggar; Ahmed Farid Ayad; Anwer Hashish | ||
| 2. | Combustion Instability in Lab-Scale HREs with Swirl Injectors: Pre- and Post-Chamber Effects | |
| Volume 21, Issue 21, September 2025, Pages 1-11 | ||
| Mohamed Elkhshen; Anwer Hashish; Mahmoud Y. M. Ahmed; Ahmed Farid Ayad | ||
