Number of Articles: 4857
Numerical Simulation Of Two Dimensional Transient Natural Convection Heat Transfer From Isothermal Horizontal Cylindrical Annuli
Volume 25, Issue 6 , August 2007, , Page 728-745
Abstract
Numerical solutions are presented for the transient natural convection heattransfer problem in horizontal isothermal cylindrical annuli, enclosed in heatedinner and cooled outer cylinders. ... Read More ...
Fresh Properties of Self-Consolidating Expired Cement-Fly Ash Cold Bonded Lightweight Aggregate Concrete With Different Mineral Admixtures
Volume 41, Issue 5 , May 2023, , Page 734-744
Abstract
The experimental program evaluated the fresh properties of self-consolidating lightweight concretes (SCLC) produced from expired cement EC cold-bonded lightweight coarse aggregates ... Read More ...
Maximal Planarization of Non - Planar Graphs
Volume 24, Issue 6 , June 2005, , Page 734-749
Abstract
Abstract This paper presents a MAXIMAL - PLANARIZE algorithm using EQUIVELANT - GRAPH procedure . The algorithm proceeds by embedding one or few edges at each stage , without creating ... Read More ...
Effect of Airplane Tail Aspect Ratio on Lateral- Directional Stability
Volume 25, Issue 6 , August 2007, , Page 746-756
Abstract
For lateral-directional stability analysis, the horizontal tail geometricparameters effect has not been considered. In the present work, the effect ofhorizontal tail aspect ratio on ... Read More ...
An Improvement of Serpent Algorithm
Volume 24, Issue 6 , June 2005, , Page 750-765
Abstract
Abstract An improvement to Serpent algorithm will be proposed . Serpent algorithm is a Feistel network , iterating a simple encryption function 32 times . The block size is 256 ... Read More ...
Mathematical Modeling Of Multi Component Batch Extractive Distillation
Volume 25, Issue 6 , August 2007, , Page 757-774
Abstract
A dynamic model has been developed to study the dynamic behavior of multicomponent batch extractive distillation column. The set of equationsgoverning (material bvalance, heat balance, ... Read More ...
Enancement The Reverse Link Capacity of Third Generation Mobile Radio System
Volume 24, Issue 6 , June 2005, , Page 766-781
Abstract
Abstract The paper investigates the effect of including the turbo coding in the 3G system . The bit error rate performance of the system with AWGN channel is investigated to study the ... Read More ...
Comparative Study Between Newtonian And Non Newtonian Lubricants In Journal Bearing Using Variable Viscosity
Volume 25, Issue 6 , August 2007, , Page 775-796
Abstract
The focus of this investigation is to study the effect of lubricant viscosityvariation on the performance of the finite width plain journal bearing withNewtonian and non–Newtonian ... Read More ...
Luminance Pre - processing For Facial Composite System
Volume 24, Issue 6 , June 2005, , Page 782-789
Abstract
Abstract The variation that arises in generated composite images affects the overall image when a feature from a very dark face is superimposed on a very light face or vice versa . ... Read More ...
Genetic Algorithm for Developing Program Using Backus Naur Form (GAPBNF)
Volume 24, Issue 6 , June 2005, , Page 790-800
Abstract
Abstract GAPBNF , genotype - phenotype genetic algorithms , is presented here as a technique for the creation of computer program . This technique uses new representation to generate ... Read More ...
Study on Temperature and Etching Effects on Silicon Oxide Formation Using Laser Ellipsometric Method
Volume 25, Issue 6 , August 2007, , Page 797-807
Abstract
In this paper, a laser ellipsometric method is implemented to study theformation of oxide films on silicon substrate at room temperature in air. Twolasers, He-Ne and semiconductor diode, ... Read More ...
A Study of Eddy currents in a Linear Induction Furnace Using Finite Element Method
Volume 24, Issue 6 , June 2005, , Page 801-815
Abstract
Abstract This paper is concerned with a deep study of the magnetic field intensity distribution and the induced eddy currents in a core ( the work piece ) of a linear induction furnace ... Read More ...
Phase Transformations of Hadfield Manganese Steels
Volume 25, Issue 6 , August 2007, , Page 808-814
Abstract
In the present work, the effect of different silicon percentages that wereadded to Hadfield manganese steel on the microstructure, phases and hardnessare investigated. The results show ... Read More ...
Studying Critical Flash Over of Different Types of High Voltage Insulator
Volume 25, Issue 6 , August 2007, , Page 815-827
Abstract
The critical flashover CFO of an insulation structure is commonly used todescribe the insulation structure lightening impulse strength. In this work,first CFO of polymer and porcelain ... Read More ...
Mathematical Model of Autoclave Curing of Epoxy Resin Based Composite Materials
Volume 25, Issue 7 , September 2007, , Page 828-835
Abstract
Polymer matrix composites using thermosetting resins as the matrix are increasingly finding use in several applications. Process modeling describing the governing curing has played ... Read More ...
Deposition of GdSmTi Coating for Corrosion Control of SS 316L in Bio-Field
Volume 41, Issue 6 , June 2023, , Page 836-844
Abstract
The corporation of rare earth metals (lanthanides series) with other metals gives good properties in different fields, such as protecting the metallic surface from corrosion risk. In ... Read More ...
Improvement of Thermal Properties for Binary Systems PVFPh, PVF-B by Addition of Silicon Carbide
Volume 25, Issue 7 , September 2007, , Page 836-848
Abstract
Two binary systems of (PVF-Ph and PVF-B) were prepared at specificconditions, and then thermal properties were improved by addition of a ceramicmaterial (SiC).A different mixing ratio ... Read More ...
Promote Osseointegration Through Surface Functionalization of Ti-Zr Alloy by Nano Composite Fiber
Volume 41, Issue 6 , June 2023, , Page 845-859
Abstract
Using bioactive and biocompatible coatings to biofunctionalized metallic implant surfaces for enhanced bone regeneration while resisting bacterial infection has attracted materials ... Read More ...
Effect of Zn% and Thermomechanical Treatments on the Mechanical Properties of Al-Zn-Mg Alloys
Volume 25, Issue 7 , September 2007, , Page 849-862
Abstract
The aging kinetics and the coupling between plastic deformation andsubsequent aging on a set of Al-Zn-Mg alloys having different Zn-content(6.33%, 7%, 7.5% and 8%) are investigated. ... Read More ...
Oxidation Behavior of Inconel 625 Alloy through Aliminide Diffusion Method Using Y2O3 and ZrO2 Nanoparticles
Volume 41, Issue 6 , June 2023, , Page 860-869
Abstract
The pack cementation process was used to create a type of Y2O3+ZrO2 doped Cr-Co-modified aluminide coating that takes advantage of the synergistic effects of nano Y2O3 and ZrO2 particles. ... Read More ...
Computer Aided Design and Modeling of FCCU Processing Iraqi Feed Stock
Volume 25, Issue 7 , September 2007, , Page 863-878
Abstract
The relationships between the process variables for a Fluid Catalytic Cracking unit (FCCU), processing vacuum gas oil (VGO) feedstock from Kirkuk crude oil, were studied depending on ... Read More ...
Applying Nanocomposite Coatings to Improve Orthopedic Alloys by Using Multiple Flame Spray
Volume 41, Issue 6 , June 2023, , Page 870-885
Abstract
Due to their excellent mechanical and biocompatibility characteristics, CoCr-based alloys are frequently employed in orthopaedic implant applications. It is necessary to maximize their ... Read More ...
The Effect of Cutting Tool Vibration on Surface Roughness of Workpiece in Dry Turning Operation
Volume 25, Issue 7 , September 2007, , Page 879-889
Abstract
his study is to find a correlation between surface roughness and cutting tool vibration in turning. The ranges of process cutting parameters in the present study are limited: cutting ... Read More ...
Gain Characteristics of Silicon Transistor Treated by Laser
Volume 25, Issue 7 , September 2007, , Page 890-896
Abstract
In this work, profiles of laser-induced diffusion of arsenic in silicon arepresented. These profiles are considered to attempt increasing of the currentgain of silicon transistors. ... Read More ...
Cumulative Damage in Fatigue of a Structure Subjected to Random Loading
Volume 25, Issue 7 , September 2007, , Page 897-917