Engineering Journal of Qatar University - [From 1988 TO 2005]: Recent submissions

Now showing items 41-60 of 221

    • Performance Of A Cool Thermal Store Filled With Balls Containing Water 

      Hariri, Abdulrahman Salih ( Qatar University , 2001 , Article)
      A cool thermal storage (CTS) system can be integrated with an A/C system in order to reduce power consumption during a period of high demand. Investigator conducted experiments to investigate the performance of a CTS during ...

    • Potential Use Of Carbide Lime Waste As An Alternative Material To Conventional Hydrated Lime Of Cement-Lime Mortars 

      Al Khaja, Waheeb A. ( Qatar University , 1992 , Article)
      The present study aimed at the possibility of using the carbide lime waste as an alternative material to the conventional lime used for cement-lime mortar. The waste is a by-product obtained in the generation of acetylene ...

    • Educational Performance of Students In A New College Of Engineering: A Computer-Aided Study 

      Sheirah, M. A.; Shawki, G.S.A. ( Qatar University , 1989 , Article)
      A data-base computer package is herein developed to provide an effective tool lor llie studv. evaluation and rectification of tile academic performance of university students. As a test case, the newly established Faculty ...

    • 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 ...

    • Corrosion Failures: Identification, Diagnosis & Remedies 

      Shawki, G. S. A.; Kandeil, A.Y. ( Qatar University , 1988 , Article)
      This paper deals with the nature, typical surface features and common forms of corrosion. It also reports corrosion rates in various locations and under differing environmental conditions, viz. tropical, marine, urban and ...

    • Viscosity Of Hydrocarbon Liquids Saturated With Gas 

      Al Harbi, Dulaihan K. ( Qatar University , 1995 , Article)
      Experimentally measured kinematic viscosities are reported for benzene, cyclohexane and n-heptane saturated with hydrogen, nitrogen and carbon dioxide. A Zeitfuchs cross-arm viscometer suspended in a unique design ...

    • Industry Input Into Professional Post-Graduate Studies For The Needs Of Qatar 

      Al Naim, Ibrahim S.; Dawe, Richard A. ( Qatar University , 1999 , Article)
      Qatar's Industry is needing Qatari graduate professionals to lead it Support by industry for higher education for the next generation of professionals should be regarded as an investment in human resources. The College of ...

    • The Potential of The Co-Rotating Compressor in Gas Turbine Applications 

      Okelah, M.R.S. ( Qatar University , 1988 , Article)
      The concept of co-rotating axial compressor was conceived primarily as a means of overcoming the inherent rotational speed mismatch between a fan and its driving turbine in moderate to high bypass ratio turbo-fan engines. ...

    • Influence of Surface Finish on Fatigue Life of Steel Specimens Subjected to Pure Bending 

      Roushdy, E. H.; Kandeil, A. Y. ( Qatar University , 1990 , Article)
      It has long been appreciated that surface conditions exert significant influence on fatigue behavior. The new capabilities of identifying and measuring surface parameters together with the significant development in data ...

    • A Neural Controller Using Imc Strategy 

      Abdul Lateef, K. I.; Mirza, K. B. ( Qatar University , 2000 , Article)
      In this paper a nonlinear Internal Model Control (IMC) strategy based on a modified NARMA model is proposed. The IMC controller consists of a model inverse controller and a robustness filter with a single tuning parameter. ...

    • Ultrasonic Characterization, Tensile Testing And Thermal Properties Of Y Irradiated Low Density Polyethylene, Fb 5005 

      El Qassem, Zuhair Mohamed; Kassem, Mohamed El-Said ( Qatar University , 1997 , Article)
      Ultrasonic pulse-echo technique, tensile testing and thermal gravimetric analysis have been utilised to characterise and monitor the effect of y irradiation on the physicomechanical properties of low density polyethylene ...

    • Productivity And Economical Feasibility Of Multi Lateral Wells In Comparison Of A Horizontal Well 

      El Sayed, Abdel Alim H.; Al-Awad, M. N.; Al-Blehed, M. S.; Al-Saddiqui, M. A. ( Qatar University , 2000 , Article)
      This paper presents an economical model developed for assessing the feasibility of drilling multi lateral holes for exploiting oil reservoirs. Detailed equations are given for calculating the cost, return on investment and ...

    • Concrete Deterioration And Repair In An Industrial Environment 

      El Kady, Mustafa H.; Abdul-Salam, M. A. ( Qatar University , 1994 , Article)
      This case study is concerned with concrete deterioration and its repair in an Industrial Plant (Qatar Petrochemical Company). Three different cases are identified according to the type and the environment of the structural ...

    • Nonlinear Adaptive Control Of A Permanent Magnet Stepper Motor 

      Yousef, Hasan A. ( Qatar University , 1994 , Article)
      This paper considers adaptive position control of a permanent magnet (PM) stepper motor using exact linearization via static state-feedback. Physical outputs are chosen in such a way that the resulting closed-loop system ...

    • Accreditation of Engineering Programs In The USA 

      Jones, E. C.; Reyes-Guerra, David R. ( Qatar University , 1989 , Article)
      Accreditation is a way of assessing the quality of education. In the United States accreditation of engineering programs is carried out by volunteers, engineering educators and practitioners who evaluate programs against ...

    • Structure Mixture Response Of Buildings Due To Simulated Earthquake Loading 

      Al Ansari, Mohammed S.; Senouci, Ahmed B. ( Qatar University , 2002 , Article)
      This paper presents two case studies to evaluate the performance of the structure mixture theory in the earthquake response analysis of buildings. In the first case study, the actual earthquake responses of the two-story ...

    • Unsteady State Process Computations On Spreadsheets 

      Javed, K. H.; Ahmad, Shamim ( Qatar University , 1993 , Article)
      Spreadsheets are becoming increasingly popular, as a useful tool, for making process engineering calculations. This paper shows the use of spreadsheets for computations of an unsteady state process described by ordinary ...

    • Finite Element Analysis Of Tubular Induction Accelerators 

      Alwash, J. H. H.; Al-Maayouf, M. A.; Qasir, L. J. ( Qatar University , 2001 , Article)
      The paper develops a method of analyzing tubular induction accelerators based on the finite element technique. The method takes end effects (due to current discontinuities at the rotor edges) into consideration. The ...

    • Catalytic Oxidation Of Petroleum Waxy Distillates 

      Farag, Hassan A.; Ghanem, Nadia Ali; El-Kayar, Aida Mohamed ( Qatar University , 1994 , Article)
      The catalytic oxidation of petroleum waxy distillate (boiling range 400 - 440°C at 760 nun Hg) using KMn04 catalyst and air was studied in a batch reactor. The effect of reaction temperature (100-160°C), air flow rate ...

    • A Model For A Narrow-Cut Fractionating Column 

      Farag, Hassan A.; Ali, Ezzat A. ( Qatar University , 1997 , Article)
      A mathematical model was developed to simulate the operation of a narrow-cut fractionating column. The model can calculate boiling point and dew point on the feed plate, the number of liquid and vapour moles, the enthalpy ...