Number of Articles: 15
Numerical Investigation on the Performance of an External Compression Supersonic Air Intake Using By-Pass Technique
Volume 31, A 6 , June 2013, Page 1011-1025
Abstract
Two-dimensional, supersonic flow field computation with by-pass holes has been conducted using Euler equation. An algorithm based on finite difference McCormack's technique is used ... Read More ...Neuro-Fuzzy Controller forMethanol Recovery Distillation Column
Volume 31, A 6 , June 2013, Page 1026-1044
Abstract
Distillation columns are widely used in chemical processes as separation systems in industries. In order to gain better product quality and lower the energy consumption of the distillation ... Read More ...Optimal Design of Three-Phalanx Prosthesis Underactuated Fingers Using Genetic Algorithm
Volume 31, A 6 , June 2013, Page 1045-1068
Abstract
This research is interested to investigate the optimum design procedure for a finger driving mechanism to have a proper configuration of the finger for its utilization in hand prosthesis. ... Read More ...Artificial Groundwater Recharge in Iraq through Rainwater Harvesting (Case Study)
Volume 31, A 6 , June 2013, Page 1069-1080
Abstract
Groundwater is considered as an important source of water supply in Iraq, so it is need replenishing by any way of recharging. The most important way for recharging the groundwater ... Read More ...Fracture Statistics of Porcelain Ceramic: The Influence of Zirconia Additive and Sintering Temperature
Volume 31, A 6 , June 2013, Page 1081-1091
Abstract
The knowledge of statistic characteristics in mechanical properties is important for designer in order to asses the reliability of the structure. Scatter characteristics of fracture ... Read More ...Effect of External Sulfate Attack on Self Compacted Concrete
Volume 31, A 6 , June 2013, Page 1092-1106
Abstract
Self-compacting concrete (SCC) is an innovative concrete that does not require vibration for placing and compaction. It is able to flow under its own weight, completely filling formwork ... Read More ...A VHDL Model for Implementation of MD5 Hash Algorithm
Volume 31, A 6 , June 2013, Page 1107-1116
Abstract
With the increase of the amount of data and users in the information systems, the requirement of data integrity is needed to be improved as well, so the work has become necessary independently. ... Read More ...Studying some of the Geotechnical Properties of Stabilized Iraqi Clayey Soils
Volume 31, A 6 , June 2013, Page 1117-1130
Abstract
In many road construction projects, if weak soils exist, stabilization and improvement of their properties is necessary. The stabilization process aims at increasing the soil strength ... Read More ...Evaluation of Acoustics Insulation and Thermal Conductivity through Walls in Building
Volume 31, A 6 , June 2013, Page 1131-1150
Abstract
Anew type of porous clay bricks is proposed , this research studies the effect of adding industrial wastes admixtures with different percentages on the thermal and acoustics insulation ... Read More ...Comparative Investigation of Friction StirWelding and Tungsten Inert on Gas of 6061T651 Aluminum Alloy Mechanical Property and Microstructure
Volume 31, A 6 , June 2013, Page 1151-1165
Abstract
This study has been conducted to investigate the effect of welding process parameter on the mechanical properties and microstructure of aluminum alloy 6061, using friction stir welding ... Read More ...Multi-Stages for Tuning Fuzzy Logic Controller (FLC) Using Genetic Algorithm (GA)
Volume 31, A 6 , June 2013, Page 1166-1181
Abstract
In this paper, a study on tuning of fuzzy logic controller (FLC) using genetic algorithm (GA) for controlling an armature controlled DC motor as an example of linear plant and for controlling ... Read More ...The Effect of Different Operating Parameters on the Corrosion Rate of Carbon Steel in Petroleum Fractions
Volume 31, A 6 , June 2013, Page 1182-1193
Abstract
The corrosion in petroleum pipelines was investigated by the studying the corrosion of carbon steel in crude oil and refined petroleum products which include gasoline, kerosene, and ... Read More ...Experimental Investigation of Minimum Fluidization Velocity in Three Phase Inverse Fluidized Bed System
Volume 31, A 6 , June 2013, Page 1194-1203
Abstract
Minimum fluidization velocity is one of the most important parameters when characterizing the hydrodynamics of a fluidized bed. Experiment studies on the effects of bed height and material ... Read More ...Design and Implementation of an Interface Circuit for DC Motor Speed Control Using the PWM Technique
Volume 31, A 6 , June 2013, Page 1204-1212
Abstract
In this paper an electronic interface circuit for controlling the speed of a small permanent magnet DC motor with the aid of a personal computer (PC) has been designed and implemented. ... Read More ...Computation of Energy Distribution as A Function of Wave-Vector (K) for Specifi c CNT Configuration
Volume 31, A 6 , June 2013, Page 1213-1220