Number of Articles: 20
Appraisal Criteria-Space in Some Residential Urban Areas for Al-Kut City
Volume 32, Issue 4 , May 2014, Page 800-811
Abstract
In this paper, appraisal for residential environment type in Al-Kut city has been done by regular process for evaluation of 198 random samples from dwelling units have been selected ... Read More ...The New Ternary Ceramics of MAX Phases, the Solution of All Obstacles (Theoretical and Experimental Review)
Volume 32, Issue 4 , May 2014, Page 812-821
Abstract
In the recent years the new ternary carbides or nitrides materials with the formula of Mn+1AXn where M is a transition metal, A is an element from group IIIA or IVA, X is either Carbon ... Read More ...Assessing the Dynamic Behavior of Asphalt Stabilized Gypseous Soil
Volume 32, Issue 4 , May 2014, Page 822-841
Abstract
The study presents the test results of stabilizing gypseous soil embankment obtained from Al- Faluja University Campus at Al-Ramady province. The laboratory investigation was divided ... Read More ...Blind Detection Method of MIMO – Space Time Coded Wireless Systems Based on ICA
Volume 32, Issue 4 , May 2014, Page 842-854
Abstract
This paper presents a proposed blind detection method for Multiple Input Multiple Output-Space Time Coded (MIMO-STC) wireless systems based on Independent Component Analysis (ICA). ... Read More ...Evalution the Load Distribution Factors for Horizontally Curved Composite Concrete-Steel Girder Bridges
Volume 32, Issue 4 , May 2014, Page 855-872
Abstract
In this research paper, a 3-D finite element model was used for the analysis of curved concrete slab on steel girder bridges. A parametric study was carried out to calculate the load ... Read More ...Time Domain Simulation of Wind Shear and Tower Shadow in Wind Turbines
Volume 32, Issue 4 , May 2014, Page 873-885
Abstract
This paper presents an aerodynamic analysis of a three-bladed wind turbine using unsteady Blade Element Momentum (BEM) method. A MATLAB code has been written to perform the analysis ... Read More ...Evaluation of Flow Parameters around Tracking Solar Collectors with Different Collector Geometry and Different Operation Conditions
Volume 32, Issue 4 , May 2014, Page 886-907
Abstract
In the current study, the flow parameters around the tracking solar collectors were evaluated. Different site conditions with different tracking solar collector's geometry are combined ... Read More ...Durability of some Weak Rocks Selected from Nineveh
Volume 32, Issue 4 , May 2014, Page 908-921
Abstract
Some rocks are naturally weak, or it becomes weak due to weathering. Durability of weak rocks is one of the most important engineering properties to be evaluated. This study aims to ... Read More ...Study the Effect of Surface and Internal Heat Treatment on Mechanical Properties of C40 Steel Alloy
Volume 32, Issue 4 , May 2014, Page 922-931
Abstract
The research aims to study the effect of quenching, tempering and laser surface treatment on the mechanical properties of C40 steel. The steel specimens were heated to a temperature ... Read More ...Effect of Alloying Elements (Mo and Al) on Biomaterials Ti-Ta Shape Memory Alloys
Volume 32, Issue 4 , May 2014, Page 932-951
Abstract
Titanium-Tantalum shape memory materials have widespread potential in biomedical applications In this research the alloy of (Ti-Ta) has been prepared by powder metallurgy technique ... Read More ...Improvement of Iraqi Red Kaolin as a Refractory Material
Volume 32, Issue 4 , May 2014, Page 952-959
Abstract
In this work refractory material was prepared from Iraqi red kaolin with the addition of different proportions of silica and alumina (10, 15, 20 %) for each one and the red kaolin 70%. ... Read More ...Singularity Analysis of Parallel Robot with Six Degrees-Of-Freedom of Six Legs
Volume 32, Issue 4 , May 2014, Page 960-972
Abstract
This paper suggests a mathematical solution to parallel manipulator with six degrees of freedom and follows the movement on a specific track to evaluate the singularity position. Mathematical ... Read More ...Design of a Nonlinear PID Neural Trajectory Tracking Controller for Mobile Robot based on Optimization Algorithm
Volume 32, Issue 4 , May 2014, Page 973-985
Abstract
This paper presents a trajectory tracking control algorithm for a non-holonomic wheeled mobile robot using optimization technique based nonlinear PID neural controller in order to follow ... Read More ...Best Path Planning Algorithm for Mobile Robot Based on Modified Genetic Algorithm
Volume 32, Issue 4 , May 2014, Page 986-1006
Abstract
In this paper a best path planning for mobile robot based on modified Genetic algorithm is introduced. The proposed algorithm read the map of the environment which expressed by grid ... Read More ...Behavior of Plate on Elastic Foundation under Impact Load
Volume 32, Issue 4 , May 2014, Page 1007-1027
Abstract
In this study, nonlinear three-dimensional finite element analysis has been used to conduct a numerical investigation of the effect of applied impact load on the foundation based on ... Read More ...Single Sand Column Stabilized by Lime Embedded in Soft Soil
Volume 32, Issue 4 , May 2014, Page 1028-1037
Abstract
The behavior of isolated sand columns stabilized with lime and embedded in bed of soft soil of untrained shear strength cu between 16 – 19 kPa, is investigated. Holes in the form ... Read More ...Effect of Holes Arrangement on Effusion Cooling Performance
Volume 32, Issue 4 , May 2014, Page 1038-1052
Abstract
The present work concentrates on the experimental investigation of effusion cooling performance for different whole pitch ratios. The film cooling effectiveness and local heat transfer ... Read More ...The Performance of Oxidation Pond for Wastewater Treatment in Rural Areas a Case Study “Al-Dewaniyah Province"
Volume 32, Issue 4 , May 2014, Page 1053-1070
Abstract
This research is concerned with study and checks the suitability of waste oxidation ponds (WOP) for treating wastewater in Al-Dewaniyah province by taking a sample of community of 10000 ... Read More ...Studying Abrasive Flow Machining Conditions by Using Taguchi Method
Volume 32, Issue 4 , May 2014, Page 1071-1082
Abstract
Abrasive Flow Machining (AFM) process can not only promote product’s inner surface quality but also economize the labor cost. However, the issue of inner surface quality includes ... Read More ...Studying the Process of Rising the Performance of the Cooling System by Using the Two Liquids R-12 &R-134a
Volume 32, Issue 4 , May 2014, Page 148-164