Volume 17 Issue 2
Published: 2009-04-01
Contents
Article
Performance Improvement of Broad Crested Weirs
Inam A.K. Juma, Bahzad M.A. Noori
AbstractIn order to improve the performance of broad crested weirs, forty weir models were manufactured and tested and two hundred thirty six experiments were conducted in a laboratory horizontal...
DOI: 10.33899/rengj.2009.38864
Fault Location Estimation Algorithm for Digital Distance Protection Relay Based on Artificial Neural Network
Ahmed Ateya Albadrani
AbstractThis paper investigates study the influence of a fault resistance on the performance of a digital distance protection installed on a transmission lines, it is well known that augment of...
DOI: 10.33899/rengj.2009.38801
A Study of the performance of different Iraqi Oils
Inad Fatehi Mustafa
AbstractThree different of Iraqi motor oils have been chosen ,Baghdad, Al Rasheed and Babylon. Using viscometer Redwood No.2 to check the best performance of these motor oils has done many...
DOI: 10.33899/rengj.2009.38887
Effect of Frequancy of Irrigation Water on Salts of Soils
Ahmad Khalaf Al- Jubori
AbstractTwo soil samples were selected, one of them from Rashidia and the other from Namrood location in Nenava. Electrolyte concentration used were (50, 150, 250 mmole-L -1) prepared using...
DOI: 10.33899/rengj.2009.38906
Investigation of the Effect of Building Dielectric Parameters on Indoor Radio Channel Characteristics
Y. E. Mohammed
AbstractThe unlicensed industrial, scientific, and medical (ISM) band at 2.4 GHz has gained increased attention recently due to high data rate communication systems developed to operate in this...
DOI: 10.33899/rengj.2009.38792
High Performance Colored Image Segmentation System Based on Neural Network
Shefa A. Dawwd
Abstractimage segmentation is often the most time-consuming part of image processing systems. Traditionally, systems employing real-time color-based segmentation are either implemented in hardware,...
DOI: 10.33899/rengj.2009.38756
Modeling of Nanocrystal Storage Cells
L. S. Ali, S. M. T. Abdul Mawjoud, A. D. Mohammed Saleem
AbstractThe computer program is prepared for applying Montecarlo simulation and modeling for single-electron nanocrystal memories. The nanocrystal memory device of (55) quantum dots is used for...
DOI: 10.33899/rengj.2009.38878
Impacts Of Re-Heating And Compaction Temperatures On Hot Mix Asphalt Volumetrics
Romel Nano Yaqob
AbstractThe need for accurate, consistent laboratory tests of the volumetric properties of the hot mix asphalt (HMA) has become increasingly important in the past few years. The objective of this...
DOI: 10.33899/rengj.2009.38821
Effect of Direct Compressive Stress on the Shear Transfer Strength of Fibrous Concrete
J. R. Al-Feel, B. J. Al-Sulayvani
AbstractExperimental investigation is carried out to study the shear transfer of uncracked fibrous concrete. The test specimens used in this study were of the push-off and modified push-off type...
DOI: 10.33899/rengj.2009.38837
Ffect of Different Quality of Irrigation Water for Leaching of Saline Soils
Ahmad Khalaf Al- Jubori
Two soil samples were selected to study the salt affected soil in Nenava province. Leaching experiment was study in laboratory. Sodium behavior during leaching process was contacted on two salt...
DOI: 10.33899/rengj.2009.38898
Digital Hardware Implementation of Artificial Neurons Models Using FPGA
ad Ahmed Al-Kazzaz, Rafid Ahmed Khalil
AbstractThis paper present the digital implementation of multiply-accumulate (MAC) circuit of artificial neuron using FPGA (Field Programmable Gate Array) including three types of nonlinear...
DOI: 10.33899/rengj.2009.38764
Anti-Aliased DDA
Fakhraldeen Hamid Ali
AbstractBit-mapped images are prone to the jaggies (stair-step effect along edges) because the computer uses small dots to build images. This effect is called aliasing and the technique used to...
DOI: 10.33899/rengj.2009.38769
Essential and Physical Properties of Architectural Form according to (Salingaros) thesis, Application case on Ottoman Mosques
Nasma Maan M. Thabit
AbstractIn this research, we have produced new modes for measure essential and physical properties of architectural form in Ottoman mosques.The research has adopted a literary approach in its...
DOI: 10.33899/rengj.2009.38923
Analytical And Experimental Study Of Three Test-Run Balancing Method
Gaydaa I. H. AL-Sarraj, Mohammed T. S. Al-Taee, Sabah. M. Jamil Ali
AbstractIn this research, a single-plane balancing method based only on vibration amplitude readings has been adopted. This method has been thoroughly discussed including the analytical basis as...
DOI: 10.33899/rengj.2009.38851
Theoretical Determination of Forming Limit Diagram for Al 2024 T3 sheet when changing strain paths
Anas O.Balod, Waleed J.Ali
AbstractThe effect of changing strain paths on forming limit curve of aluminum alloy Al 2024T3 sheet has been studied by determining forming limit diagrams after prestraining theoretically . The...
DOI: 10.33899/rengj.2009.38857
