Now showing items 32-51 of 221

    • A Computer Aided Design Tool For Area Optimization Using Breadth First Search Technique 

      Al Mohannadi, A. L.; Saleh, Ahmed ( Qatar University , 1991 , Article)
      Floorplanning is the process of partitioning an area on any surface such that the partitions guarantee minimum wasted area. The technique used to partition a given are depends on the requirements of the application. In an ...
    • Computer Aids To Analysis Of Semi -Rigid Steel Space Frames 

      Abbas, Fattah K. ( Qatar University , 2000 , Article)
      This work describes the recent development of the semi-rigid connection technique and the application of this method to the analysis of space frame structure. To carry out the above method of analysis accurately and ...
    • Computer Simulation Of Gas Treating Unit And Comparison With Plant Data 

      Moshfeghian, Mahmood Moshfeghian, Mahmood ( Qatar University , 1998 , Article)
      Predicting the performance of an industrial plant using computer simulation is becoming a common practice. Confirming the effectiveness of computer packages is not so common. The Shahid Hasheminejad Gas Treating Unit (GTU) ...
    • 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 ...
    • Concrete Pavement Truck Equivalence Factors For Upgrades 

      Razouki, Sabah Said; Mohee, Sakvan Omer ( Qatar University , 1999 , Article)
      Presented in this paper are the upgrade truck equivalence factors for single unit trucks of type, 1.2 and 1.22 which are not covered by AASHTO. The equivalency factors for front and rear axles of single unit trucks were ...
    • Cone Penetration Testing For Field Density Prediction 

      Baghdad, Zaki A.; Ghazali, Fouad M.; Al-Ahmadi, Saud M. S. ( Qatar University , 1993 , Article)
      This paper summarizes an experimental program for developing a pilot procedure to check and predict field densities of compacted soils using static cone penetration tests. Three sandy soils were tested. The testing program ...
    • Construction Simulation Using Virtual Reality 

      Naji, Khalid K.; Najafi, Fazil ( Qatar University , 1996 , Article)
      Two main simulation methodologies namely, the network-based simulation and the graphical simulation technique are being used in the construction industry. While the network-based simulation technique, which was originally ...
    • Contribution Of Horizontal Drilling Technology In The Development Programs Of Saudi Oil Fields 

      Hamada, G. M; Al-Awad, M. N. J.; Al-Blehed, M. S.; Al-Saddique, M. A. ( Qatar University , 2001 , Article)
      The technology of drilling and production of horizontal wells is probably one of the most significant breakthrough in the oil and gas industry of the eighties. The continuous improvement of hardware equipment made horizontal ...
    • Control Algorithms Of Digital Automatic Voltage Regulators For Synchronous Generators 

      Badr, M. A. L.; Eteiba, M.B.; El-Zawawi, A.M.O. ( Qatar University , 1990 , Article)
      The main concepts of the application of digital controllers to a power system as automatic voltage regulators are presented in this paper. An experimental study using a physical model of a limited size power system has ...
    • Control of Void Formation During Forging of Advanced Fiber Reinforced Composite Materials 

      Kandeil, A. Y. ( Qatar University , 1989 , Article)
      Increased interest has emerged in recent years in the development of fiber reinforced superalloy composite materials and the fabrication processes to produce composite turbine vanes and blades for advanced gas turbine ...
    • Convection In A Rotating Fluid Over A Sloping Bottom, With Application To The Arabian Gulf 

      Al Hajri, Khalid R. ( Qatar University , 1992 , Article)
      Convective motions over a sloping bottom driven by evaporation and freshening are investigated by integrating the complete momentum and mass conservation equations. The problem is posed as an initial value problem in a ...
    • Correlation Of Vapor-Liquid Equilibrium Data For Binary Mixtures Containing One Polar Component By The Parameters From Group Contributions Equation Of State 

      Moshfeghian, M.; Maddox, R. N. ( Qatar University , 1993 , Article)
      Use of a quadratic mixing rule in the Parameters from Group Contributions Equation of State increases the range of compounds for which vapor-liquid equilibrium behavior can be satisfactorily correlated. This is demonstrated ...
    • Correlations Of Some Tensile Properties For Various Grades Of Low Density Polyethylene 

      Zahran, R. R; Kandeil, A. Y. ( Qatar University , 1994 , Article)
      The tensile properties of nine different grades of low density polyethylene were measured, and the relationships resulting from the combination of different pairs of properties were analyzed. It was found that some properties ...
    • 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 ...
    • Creep Buckling Of Plates Under Biaxial Compression 

      Ashour, H. A.; Shaker, Magdy A. ( Qatar University , 1992 , Article)
      This work presents an analysis for the creep buckling problem of geometrically imperfect rectangular flat plates under biaxial compression with simple support boundary conditions. The analysis is based on a non-dimensional ...
    • Current-Mode Neural Networks For Solving Nonlinear Programming Problems 

      AI Naima, Fawzi ( Qatar University , 2000 , Article)
      In this paper, neural networks for online solution of linear and nonlinear programming problems are presented. Current mode circuits are used in the design of networks. Transimpedance techniques based current conveyors are ...
    • A Demodulation Technique For Power System Local Frequency And Voltage Measurements 

      Soliman, S.A.; Alammari, R. A.; Al-Kandari, M. A.; El-Hawary, M. E. ( Qatar University , 2003 , Article)
      The demodulation technique of two complex signals is used to estimate the power system local frequency and voltage phasor. The first complex signal is generated from the three-phase voltage waveform by using the ...
    • Design Of A Simple Apparatus For Reaction Kinetics And Reactor Design Experiments 

      Vavanellos, T. D. ( Qatar University , 1990 , Article)
      Tubular reactor experiments arc an integral part of an undergraduate course in reaction kinetics and reactor design. However, the successful design of such experiments necessitates meeting a set of criteria regarding safety, ...
    • Design Of An E-Mail System For Personal Computers 

      El Hadidi, M. T.; Mohammad, Sultan A.; Metwally, Mostafa S. ( Qatar University , 1991 , Article)
      The design of an Electronic-Mail system that can operate in a personal computer (PC) environment is presented. The underlying philosophy is based on a centralized mailbox approach, wherein a dedicated SERVER stores the ...
    • Design of Smoke Generator for Flow Visualisation 

      Shahin, M. M ( Qatar University , 1988 , Article)
      Described in this paper is an alternative method for smoke generation for flow visualisation in low speed (subsonic) wind tunnel work. This method makes use of the smoke generating characteristics of Ammonia and Sulphur ...