Browsing Engineering Journal of Qatar University - [From 1988 TO 2005] by Type "Article"
Now showing items 1-20 of 221
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Accelerating The Convergence Of Cubic Interpolation Method Using Concurrent Algorithm Based On The Transputer Technology
( Qatar University , 1992 , Article)This paper describes a concurrent method to speed up the convergence of the QIOM (Cubic Interpolation Optimization Method) to obtain the global minima for any nonlinear continuous function. The QIOM is a naturally slow, ... -
Accreditation of Engineering Programs In The USA
( 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 ... -
An Algorithm To Minimize Unused Lengths Of Steel Bars And Sections
( Qatar University , 1995 , Article)The reinforcement steel bars and other metal or wooden sections used in the construction industry are usually available in standard lengths and are cut in large numbers of specified lengths (pieces) according to the needs ... -
Amorphous Phase Properties Of Oriented Polyethylene Solids
( Qatar University , 1993 , Article)Solid-state deformation of polyethylene results in a preferential orientation of both crystalline and amorphous regions. Usually, one major problem in the prediction of the mechanical and thermal expansion properties of ... -
Analysis of A Screen Type Solar Air Collector Without Transparent Cover
( Qatar University , 1989 , Article)The performance of a screen type solar air collector of different uniform mesh sizes and without a glass cover is investigated theoretically. Formulation of simultaneous radiation and convection heat transfer for a semi-steady ... -
Analysis Of The Coupling Gap Between Microstrip Antennas
( Qatar University , 1997 , Article)The accurate and efficient Galerkin's method was developed in the spectral domain for analyzing gap discontinuities in patch antenna array. Using new current distribution the problem is solved using full wave approach ... -
Application Of Artificial Neural Networks To Predict Wettability And Relative Permeability Of Sandstone Rocks
( Qatar University , 1996 , Article)An Artificial Neural Network (ANN) model based on the back-propagation technique is trained with a number of variables from experimentally established relative permeability curves. The reservoir core input data covers an ... -
Application Of Neural Generated Error Signal In Classification And Compression Of Ecg Beats
( Qatar University , 2002 , Article)This paper presents a neural network architecture connected in cascade for ECG Holter system beat classification and compression. The system works in real time, on line, and is capable of recognizing and compressing up to ... -
Assessment Of Blending Local And Imported Aggregates On Properties Of Their Asphalt Concrete Mixtures
( Qatar University , 1995 , Article)Environmental conditions in the State of Qatar together with lack of good-quality aggregates seem to severely reduce the service lives of constructed pavements. The current practice of road construction agencies in Qatar ... -
The Behavior Of Molasses As A Microbial Nutrient In The Absence Of Microbes
( Qatar University , 2000 , Article)In this work the effect of molasses, as a bacterial nutrient, on the pH and surface tension of the aqueous phase, IFT, and phase behavior after one week contact time was studied at 60°C. The results have shown that the pH ... -
Behaviour of Grey Cast Iron Under Combined Bending and Tension
( Qatar University , 1989 , Article)This paper deals with the strength of grey cast iron components subjected to combined bending and tension, this case of loading being met in C-frames and clamps, crane hooks and various eccentrically—loaded protruding ... -
Calcium Nitrite Effect On Setting Of Cement At Various Temperatures
( Qatar University , 2000 , Article)Calcium Nitrite, which is used as corrosion inhibitor, accelerates stiffening rates of cement. This paper deals with the effect of calcium nitrate on setting times of cement pastes at various curing temperatures. Four ... -
Calculating the Velocity of Sound in Real Pure Component Gases and Mixtures of Real Gases
( Qatar University , 1989 , Article) -
Can Nmr Solve Conventional Logs Interpretation Problems In Low Resistivity Beds Evaluation
( Qatar University , 2003 , Article)This paper presents some cases of low resistivity reservoirs and low contrast resistivity reservoirs where conventional logs fail to determine the petrophysical properties of formation. The problems of these reservoirs are ... -
Cascaded Coding Schemes For Public-Key Cryptography
( Qatar University , 1995 , Article)1976 Diffic and Hellman introduced the concept of public-key cryptography and in 1978, McEliece introduced the first public-key cryptosystem based on error correcting codes. Since that time, several methods have been ... -
A Case Study Of Traffic Characteristics And Proposed Improvement Schemes For An Arterial Road
( Qatar University , 1993 , Article)This case study represents a typical example of surveying and assessing traffic characteristics along a local ring road in Doha City. Expected impacts of possible short-term (5-year) traffic management schemes for two main ... -
Catalytic Oxidation Of Petroleum Waxy Distillates
( 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 ... -
Causes For Delays In Construction Projects In Kuwait
( Qatar University , 2002 , Article)The paper presents a study based on a research that analyzes and ranks the causes of delays in building and housing type projects undertaken by governmental agencies in Kuwait. The study was based on a survey with the ... -
Ceramics As Materials Of Construction
( Qatar University , 1988 , Article)This paper attempts to review the limitations for using the important ceramics in contact with corrosive media. Different types of ceramics are included. Corrosion properties of ceramics and their electrical properties are ... -
Chebyshev Expansion Of The Flow In A Spinning And Coning Cylinder
( Qatar University , 1994 , Article)This paper is concerned with the calculation of the moments exerted by a viscous fluid on the walls of a cylinder that is spinning about its axis and coning about an axis that passes through its center of mass. For small ...
