Number of Articles: 15
Study of the Microstructure Semi Solid Al-Si-Mg Casting
Volume 31, 1A , January 2013, Page 1-11
Abstract
Semi-solid metal processing involves processing metallic alloys between thesolidity and the liquidity. The microstructure must be non-dendritic and consist ofspheroids of solid in a ... Read More ...Creep Behavior in Fiber-Reinforced Epoxy (DGEBA) Composites
Volume 31, 1A , January 2013, Page 12-25
Abstract
The composite material was prepared by reinforcing the epoxy with E-glass fiber. The creep and flextural test were measured in this work for one and two layer of E-glass fiber with ... Read More ...Enhanced GA for Mobile Robot Path Planning Based on Links among Distributed Nodes
Volume 31, 1A , January 2013, Page 26-41
Abstract
In this paper, we propose an Enhanced Genetic Algorithm (EGA) to find the optimal path for a mobile robot. The workspace of the mobile robot is assumed to be of known environment with ... Read More ...Optimum Position of Shear Reinforcement of High-Strength Reinforced Concrete Beams
Volume 31, 1A , January 2013, Page 42-52
Abstract
This paper reports experimental data on the behavior and strength of high-strength concrete slender beams reinforced with vertical shear reinforcement. Tests were conducted on ten reinforced ... Read More ...Investigation the Redistribution Stresses in Fibre Composite Materials Due to Break in Non-Uniform Fibre
Volume 31, 1A , January 2013, Page 53-65
Abstract
In this research, the effect of break in a composite material containing one fibre with non-uniform cross section area was investigated depending on Nearest Neighboring Load Theory. ... Read More ...Thermal Performance of Film Cooling for Two Staggered Rows of Circular Jet
Volume 31, 1A , January 2013, Page 66-80
Abstract
The holes orientation and jet inclination angles are important parameters that control the development of the flow structures and the penetration and spreading of the jets. Experimental ... Read More ...Effect of Addition Carbon And Glass Fibers On Bond Strength of Steel Reinforcement and Normal Concrete
Volume 31, 1A , January 2013, Page 81-97
Abstract
The concept of composite materials using fibers as reinforcement is not new. The aim of composing materials is to improve some properties of the original materials. In civil engineering, ... Read More ...Graphical and Energy Pattern Factor Methods for Determination of the Weibull Parameters for Ali Algharbie Station, South East of Iraq
Volume 31, 1A , January 2013, Page 98-106
Abstract
The hourly mean wind speed data for Ali Algharbie station locations in south east of Iraq are collected and analyzed over a period of 1 year. The Data are fitted to the Weibull distribution ... Read More ...Mechanical Properties of Tempered Nanobainite Steel
Volume 31, 1A , January 2013, Page 107-119
Abstract
The mechanical properties of 62 SiMnCr 4 steel transformed isothermally at 280ºC for 5-hours were investigated. The hardness of nanobainite steel was equivalent to tempered martensite ... Read More ...Solutions for Water Hammer Phenomenon in the Low Lift Pump Station Located on Tigris River
Volume 31, 1A , January 2013, Page 120-131
Abstract
The goal of this research is to find the proper solutions of curing the water hammer which the suddenly shutdown of the electricity that supply the power to the pumps occurs it, where ... Read More ...Bacterial Foraging Optimization Algorithm (BFOA) to Simulate Thermal Distribution in Yb:YAG Laser Thin Disk
Volume 31, 1A , January 2013, Page 132-155
Abstract
There is a strong need for an optimized management of the thermal problem in Yb:YAG laser rod and for a powerful, fast, and accurate modeling tool capable of treating the heat source ... Read More ...A Numerical and Experimental Study of Steam Condenser Working with Modified Rankine Cycle
Volume 31, 1A , January 2013, Page 156-171
Abstract
A Numerical and experimental study of thermal and heat transfer processes in a steam condenser operating in steam power plant with steam engine was developed to built analytical model ... Read More ...Experimental Study of Heat Transfer Coefficients of Shell and Helically Coiled Tube Heat Exchangers
Volume 31, 1A , January 2013, Page 172-196
Abstract
This work presents an experimental study of the heat transfer coefficients of shell and helically coiled tube heat exchangers. Three heat exchangers with different coil pitches were ... Read More ...Building Program to Calculate the Statistical Information of the Concentrations of Metal Using GIS
Volume 31, 1A , January 2013, Page 1-13
Abstract
This paper deals with building a program to deal with geographic information system files in the field of mineral concentrations of the materials. Where it is open shape file of all ... Read More ...A Comparison between Results of Compaction for Soil
Volume 31, 1A , January 2013, Page 14-31