Browsing Engineering Journal of Qatar University - [From 1988 TO 2005] by Title
Now showing items 79-98 of 221
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Evaluation Of Corrosion Resistance Of A Duplex Stainless Steel "Ferralium" In Dead Sea Brine
( Qatar University , 1992 , Article)Corrosion behavior of Ferralium Alloy 255 during service in the environment of concentrated Dead Sea brine has been investigated. It was found that, the corrosion attack is intergranular and exists only in the weld heat ... -
An Evaluation Of The Explicit Fuzzy Method Using Parametric And Non-Parametric Approaches For Supervised Classification Of Multispectral Remote Sensing Data
( Qatar University , 2001 , Article)Fuzzy Classification is of great interest because of its capacity to provide more useful information for Geographic Information Systems. This paper describes an Explicit Fuzzy Supervised Classification method, which consists ... -
Examination Of An Oil Separator Pressure Vessel (Case History)
( Qatar University , 1991 , Article) -
Experimental And Modeling Of Friables And Stone Oil Reservoirs Consolidation Using Steel Making Slag
( Qatar University , 2001 , Article)A mathematical model was developed simulating the process of sand production in under downhole stress state. The model was derived based on Mohr-Colomb failure criterion, Darcy equation for radial flow and reservoir stress ... -
Experimental Investigation Of The Role Of Stabilizers In The Enhancement Of Automatic Voltage Regulators Performance
( Qatar University , 1991 , Article)In electrical power systems, dynamic stability problems may be solved through the application of power system stabilizers (PSS), which improve the performance of the main automatic voltage regulators (AVR's) of the synchronous ... -
Experimental Measurement Of Drop Phase Mass Transfer Coefficients For The Carbon Tetrachloride-Acetic Acid-Water System
( Qatar University , 1991 , Article)The overall mass transfer coefficients of single drops of carbon tetrachloride falling in a stagnant continuous phase of water containing acetic acid as solute were measured experimentally for different dispersed phase ... -
Feasibility Of Oil Recovery By Polymer/Alkaline Flooding Through Horizontal Well
( Qatar University , 2000 , Article)A laboratory study on Saudi oil recovery by polymer/alkaline flooding from a horizontal well in a scaled quarter five-spot model was conducted. Safaniya crude oil, obtained from Safaniya oil field operated by Saudi Aramco, ... -
Feasibility Of Wind Energy Utilization In Qatar*
( 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 ... -
Finite Element Analysis Of Tubular Induction Accelerators
( 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 ... -
Flash Point For Binary Mixtures
( Qatar University , 1994 , Article)Three flammable binary systems were studied for flash point as a function of liquid mixture composition: 1) decane/dodecane, 2) 0-xylene/cyclohexanol, and 3) 2-propanol/water. The vapor composition was estimated at each ... -
Flow and Fracture Behaviour of Tungsten Fiber Reinforced Superalloy Composites-Effect Of Specimen Geometry
( Qatar University , 1989 , Article)The influence of aspect ratio (i.e. width to height ratio) of test specimens on the flow and fracture behaviour of fiber reinforced composites is herein examined. The composite material was prepared by isostatic pressing ... -
Flow Routing Calculations For Water Resources Management Using Spreadsheets
( Qatar University , 1999 , Article)Flow routing calculations are very important for water resources engineers for analyzing and designing water engineering systems such as reservoirs, stocmwater conduits and detention ponds, spillways, pumping stations, ... -
Frame Synchronization In Ofdm Systems Using Neural Networks, With Dsp Implementation
( Qatar University , 2002 , Article)This paper presents a method for estimation of the timing offset in OFDM (Orthogonal Frequency Division Multiplexing) systems. The author showed that it is possible to detect the start of the OFDM blocks without the use ... -
Full Scale Performance of Primary Settling Tanks
( Qatar University , 1989 , Article)The characteristics and the flowrate of municipal wastewater from the city of Doha, located in the Arabian Gulf have been studied to examine their effect on the performance of the primary settling tanks at the local sewage ... -
Gas Saturation Monitoring In Heterogeneous Reservoir Using Tdt Modeling Technique
( Qatar University , 1999 , Article)The Zeit Bay field reservoir units consist of sandstone and carbonates, partially overlaying a tilted block of fractured basement reservoir with a complex drive mechanism. A secondary recovery scheme of gas re-injection ... -
Genetic Algorithm Optimal Model For Slab Formwork Cost And Design
( Qatar University , 2000 , Article)This paper introduces Genetic Algorithms technique to find an optimum formwork design, using optimum section of joists, stringers and shores along with their spacing, and satisfying minimum cost. Genetic Algorithms technique ... -
A Hadamard Transform Fuzzy Segmentation And Classification Technique For Image Compression
( Qatar University , 1996 , Article)A new technique for image data compression based on fuzzy segmentation, classification and properties of sequency ordered Hadamard Transform (HT) is presented. Using a pyramidal data structure, an image is segmented into ... -
Heighting Accuracy Of Spot Imagery
( Qatar University , 1991 , Article)The SPOT imaging system is the first sensor with stereoscopic capability and global continuous coverage. Stereopairs with overlap and base to height ratio suitable for the extraction of height information with reasonable ... -
Heuristic analysis of brackishwater treatment by reverse osmosis process
( Qatar University , 1990 , Article)Treatment of brackish water and sea water with the help of reverse osmosis process is feasible and a viable solution to meet the fresh water deficiency in an arid region. Total dissolved solids can be reduced to a level ... -
Hierarchical Floor Plan For Vlsi Integrated Circuits Based On Analytical Techniques
( Qatar University , 1990 , Article)The physical design of electronic circuits consists of transforming a design specification into a representation to be used in the manufacture of the physical circuits. At Very Large Scale Integration (VLSI) level it becomes ...