Engineering Journal of Qatar University - [From 1988 TO 2005]: Recent submissions
Now showing items 101-120 of 221
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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, ... -
Software For On-Line Monitoring Of E10-B Telephone Exchange
( Qatar University , 1991 , Article)The proposed software aims at enhancing the monitoring of the E10-B telephone exchange. It combines functions normally performed by two dedicated hardware devices and facilitates access to detailed maintenance information ... -
Evaluation And Improvement Of Traffic Flow Patterns In Urban Centers
( Qatar University , 2003 , Article)Presented in this paper is process of evaluation and improvement of traffic flow pattern in urban centers. The process is carried out by applying TRANSYT-7F program. The data was collected from a selected network within ... -
Determination Of Petrophysical And Mechanical Properties Interrelationship For Simulated Sands
( Qatar University , 2003 , Article)In the evaluation of a petroleum reserve, it is necessary to determine accurately certain petrophysical properties such as porosity and permeability of the reservoir rocks. These properties are affected by the relevant ... -
Effective Moment Of Inertia And Deflections Of Reinforced Concrete Beams Under Long-Term Loading
( Qatar University , 1995 , Article)The paper presents a method for estimating long-term deflections of reinforced concrete beams by considering creep and shrinkage effects separately. Based on equilibrium and compatibility conditions a method is developed ... -
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 ... -
Numerical Study Of Magneto-Fluid-Mechanics Forced Convection Pipe Flow
( Qatar University , 1994 , Article)The problem of fully developed, laminar, steady, forced convection heat transfer in an electrically conducting fluid flowing in an electrically insulated, horizontal, circular pipe (whose wall is subjected to a uniform ... -
Correlations Of Some Tensile Properties For Various Grades Of Low Density Polyethylene
( 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 ... -
Calculating the Velocity of Sound in Real Pure Component Gases and Mixtures of Real Gases
( Qatar University , 1989 , Article) -
Effect Of Sand Blasting On Soda Lime Glass Properties
( 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 ... -
Long – Term Soaking Effect On Strength And Deformation Characteristics Of A Gypsiferous Subgrade Soil
( Qatar University , 2003 , Article)The behaviour during long-term soaking of the California Bearing Ratio (CBR), the resilient modulus and the deformation of compacted Iraqi gypsiferous soil containing about 34% gypsum was studied. Sixteen (CBR) samples ... -
Predict The Properties Of Aqueous Mixed Electrolyte Solutions From Properties Of The Individual Electrolyte Solution
( Qatar University , 2003 , Article)For calculating the thermodynamic properties of mixed electrolyte solutions, a thermodynamic framework is developed. The vapor pressure, density and osmotic coefficient of several mixed electrolyte solutions are predicted ... -
Performance Analysis Of Coded Sfh-Ssma Communication Systems Over Mui Channel With No Side Information
( Qatar University , 2003 , Article)This paper presents the performance analysis of a Slow Frequency Hopped Spread Spectrum Multiple Access (SFH-SSMA) communication system under conditions of Multiple Users Interference (MUI) over a communication channel ... -
Performance Evaluation Of Water Distribution Network Using Computer Model Simulation
( Qatar University , 1995 , Article)The paper describes the water supply system in Doha. It discusses the methodology used in estimating the water demand for each node of the water distribution network in the Garrafa District of Doha. A computer model of the ... -
An Optimum Performance of A Flat-Type Solar Air Heater With A Porous Absorber
( Qatar University , 1989 , Article)This investigation is concerned with the design and performance of a flat solar air heater in which air flows perpendicular from a vented transparent cover through a porous absorber plate. The design phase involves a ... -
Parallel Computing Applied To Compensate The Effect Of Amplifier Bandwidth In The Design Of Switched Capacitor Networks
( Qatar University , 1994 , Article)A method is described for the extraction of capacitor values for switched capacitor (SC) networks which compensate for the effect of finite amplifier bandwidth in the design of SC networks using optimization. The finite ... -
Properties Of The Omani Sarooj
( Qatar University , 1997 , Article)The fundamental properties of the Omani sarooj have been studied. Sarooj samples were collected from different sites to assess their pozzolanic activity. A laboratory testing program covering chemical and physical ... -
Contribution Of Horizontal Drilling Technology In The Development Programs Of Saudi Oil Fields
( 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 ... -
A New Three Nodes Shell Element With Transverse Shear
( Qatar University , 2000 , Article)This paper proposes a new three node curved shell element. The approach used in the development of the new element is based on the Marguerre shallow shell theory which incorporates the effects of initial curvature (out-of ... -
Reduced Snubber Circuit Elements For Pwm Voltage Source Inverter
( Qatar University , 2002 , Article)This paper presents the description and simulation of a new proposed arrangement of RLD/RCD snubber circuit used with pulse width modulated voltage source inverter. The new arrangement allows minimizing the number of active ...
