Number of Articles: 14
Design and Construction of a Laser Range-Finder at (10.6μm)
Volume 24, Issue 7 , July 2005
Abstract
Due to present importance of laser range-finders and their applications severalindustrial, medical and military applications, especially range finding, require theuse of long life sealed ... Read More ...
Study The Tensile Properties At High Temperature For Composite Material of Aluminum-Silicon Carbide
Volume 24, Issue 7 , July 2005
Abstract
The aim of the present research is to study the deformation behavior of (AL- Mg-Si) Alloy reinforced with (Sic) particles at elevated temperature under active load of tension. The ... Read More ...
The Effect of Geometry From an Longitudinal Trihedron Cylinder with Different Slope Angle on the Free Convection Heat Transfer Coefficient
Volume 24, Issue 7 , July 2005
Abstract
This study deals with heat transfer by free convection from the outer surface of two cylinders (Triangular & Rectangular shape fined cylinder). The experimental work was conducted ... Read More ...
Theoretical Study of Mixed Convection In Isothermal Triangular Channel
Volume 24, Issue 7 , July 2005
Abstract
Numerical study of mixed convection heat transfer within axial triangular channel was predicted. The channel surfaces have equal length and have a constant temperature. The fluid flow ... Read More ...
Study the Effect of LASER Surface Treatment on AL-Si alloy type(390)
Volume 24, Issue 7 , July 2005
Abstract
The aim of research is to study the effect of hent treatment by using pulse Nd- glass laser with pulse duration 300ps, on surface properties of aluminum - silicon casting type (390). ... Read More ...
An Investigation of CNC Thermal Cutting Machine Development and Evaluation
Volume 24, Issue 7 , July 2005
Abstract
This article aims to develop and evaluate a Computerized Numerical Control (CNC) motion system for a thermal cutting machine. A PC-based numerical control unit was constructed and other ... Read More ...
An Approach To 3D Surface Curvature Analysis
Volume 24, Issue 7 , July 2005
Abstract
This paper reviews the graphical tools available for checking the quality of CAD/CAM (Computer Aided Design / Manufacture) surface models (B-Spline form). It is possible to use these ... Read More ...
A Three-Dimensional Study of Laminar and Turbulent Wall Jets
Volume 24, Issue 7 , July 2005
Abstract
A numerical study of three-dimensional laminar and turbulent wall jet issuing from a rectangular orifice is presented. The numerical simulation was based on k-e model. The Navier-Stokes, ... Read More ...
An Assessment of Transonic Flow on NACA Airfoil With K-Epsilon Standard, RNG and Spalar Turbulent Models Using A Quadrilateral Grid
Volume 24, Issue 7 , July 2005
Abstract
The main objective of the present work is to investigate the characteristic of transonic viscous flow with standard k-c, RNG and Spalart turbulent model using numerical technique matching ... Read More ...
P-Cu2S/n-Si Anisotype Heterojunction Solar Cell
Volume 24, Issue 7 , July 2005
Abstract
An extensive study is presented on photovoltaic devices fabricated by spray pyrolysis method using aqueous solution of CuCl2.2H₂O onto a-type silicon substrates. The condition of ... Read More ...
A Computerized Procedure for Determining the Suitable Number of Positive Decisions in the Weighted- Properties
Volume 24, Issue 7 , July 2005
Abstract
Nowadays, the selection of materials in automatic way is a very important consideration. In this research, an system is built in a logic sequence, acceptable and easy for use by the ... Read More ...
Oxidation of Simple and Pt-Modified Diffusion Coating on Inconel Alloy 600 in Air
Volume 24, Issue 7 , July 2005
Abstract
In this work the oxidation behavior of both Inconel alloy 600 and coated system (Pt-modified aluminide coating) was investigated in air in the temperatures range 700-1000 C. The oxidation ... Read More ...
Smallest Of-Order Statistic-CFAR Analysis in Weibull Clutter
Volume 24, Issue 7 , July 2005
Abstract
The performance of Cell Averaging Constant False Alarm Rate (CA-CFAR) degrades rapidly in nonideal conditions caused by the presence of a strong target signal in one of the reference ... Read More ...
NC Machining of Free- From Blanking Dies Cavities Using Linear Interpolation
Volume 24, Issue 7 , July 2005