• Effect Of Sand Blasting On Soda Lime Glass Properties 

      Bousbaa, C.; Madjoubi, M. A.; Hamidouche, Z.; Bouaouadja, N. ( Qatar University , 2003 , Article)
      The present work is based on a simulation in laboratory of the erosion of a soda lime glass caused by sand blasting during sandstorms. It deals with the effects of sand blasting duration (from 0 to 60 min) and impact angle ...
    • Feasibility Of Wind Energy Utilization In Qatar* 

      Marafia, A-Hamid; Ashour, Hamdy A. ( Qatar University , 2002 , Article)
      This work presents an assessment of the potential and economical feasibility of adopting wind energy as a renewable source of energy in Qatar. An analysis is presented for the long term measured wind speed (1976-1989) at ...
    • Time-Optimal Control Of High-Speed Flexible-Robot Arm Using PD Algorithms 

      Fanni, Mohamed; Abdel-Rahman, Tarek; Al-Salem, Nabeel ( Qatar University , 2000 , Article)
      This paper addresses utilization of proportional-plus derivative (PD) control algorithms for time-optimal control of flexible-robots. Flexibility is modeled using one mode of vibration with negligible structural damping. ...