Browsing Engineering Journal of Qatar University - [From 1988 TO 2005] by Title
Now showing items 93-112 of 221
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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 ... -
High Frequency Characteristics Of Ferrite Materials And Applications To Microstrip Circuits
( Qatar University , 1999 , Article)Dispersion behavior of the parameters of microstrip lines printed on ferrite substrate is presented. The characteristic impedance for lines on magnetized ferrite substrates are obtained for partially magnetized substrates ... -
Hot Ductility Of Directly Cast Steels With Different Carbon Contents
( Qatar University , 1995 , Article)Tensile samples of Nb containing steels with different carbon contents have been cast in situ, cooled to test temperatures in the range 800-1000 °C and tested at a strain rate of 3x10 s . The austenite grain sizes of the ... -
How Top-Size Affects The Resilient Modulus Of Roadway Base Materials
( Qatar University , 1995 , Article)The American Association of State Highway and Transportation Officials (AASHTO) uses resilient modulus values as the load-carrying capacity parameter for all pavement materials. However, the maximum sample diameter in ... -
Humidification - Dehumidification Desalination Process Using Waste Heat from A Gas Turbine By
( Qatar University , 1989 , Article)This paper presents a hutnidification-dehumidification desalination process using waste heat from a gas turbine power plant. In this process, the air is used as the operating fluid instead of water. The process has many ... -
Hydrate Technology For Transporting Natural Gas
( Qatar University , 2003 , Article)Natural gas hydrate (NGH) is a viable alternative to LNG (Liquefied Natural Gas) or pipelines for the transportation of natural gas from source to demand. It involves three stages: production, transportation and re-gasification. ... -
Improved 3d-Fe Computational Method For Magnetostatic Field Problems Using Unconstrained Vector Potential
( Qatar University , 1996 , Article)This paper introduces an improved three dimensional finite-element (3D-FE) computational approach for magnetostatic field problems using unconstrained magnetic vector potential (MVP) formulation in conjunction with hexahedral ... -
An Improved Model Describing Mass Transfer In Three-Phase Fluidized Beds
( Qatar University , 1990 , Article)A model for describing mass transfer in three-phase fluidized beds has been developed and tested using experimental data. The presence of two distinguishable mass transfer zones in three-phase fluidized beds led to the ... -
Industry Input Into Professional Post-Graduate Studies For The Needs Of Qatar
( 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 ... -
Influence Of Reservoir Parameters On Bacterial Enhanced Oil Recovery
( Qatar University , 2002 , Article)The aim of this paper is to show the scope of the applicability of bacteria for enhanced oil recovery (EOR) in the oil reservoirs. The Application of conventional EOR-techniques is economically problematic because of ... -
Influence of Surface Finish on Fatigue Life of Steel Specimens Subjected to Pure Bending
( 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 ... -
Investigation of In-Service Parameters Influencing the Wear and Wear Rate for Two Rubbing Surfaces
( Qatar University , 1989 , Article)A study has been conducted on the volumetric wear and wear rate as well as the quality of the surfaces produced by rubbing brass and steel specimens. Effect of end pressure and total sliding distance between the two rubbed ... -
Investigation of the Fouling Mechanisms in the Heat Exchangers of a Hydrotreater
( Qatar University , 2005 , Article)The problem of fouling on heat exchanger surfaces has been one of the major unresolved problems of the hydrotreatment unit at the Homs oil refinery in Syria. In this unit, a feed stream of straight-run naphtha is preheated ... -
Laboratory-Scale Tests on Gas-Solid Fluidized Bed Behaviour And Its Influence on Bed Thermal Properties
( Qatar University , 1988 , Article)The success of many industrial processes depends upon good contact between a fluid and particulate solid. A fluidized bed fulfils the requirements for this good contact. This paper presents the results of an experimental ... -
Liquid Density Of Pure And Multicomponent Fluids By Scaled-Variable-Reduced-Coordinate (Svrc) Method
( Qatar University , 1995 , Article)The Scaled-Variable-Rcduced-Coordinatc (SVRC) method with a proposed set of mixing rules are applied to calculate the liquid density of several system of liquid mixture and satisfactory results are obtained. The ability ...