Volume 5, Issue 5 (2008) | American Journal of Applied Sciences

Creep-Fatigue Crack Growth Interaction in Nickel Base Supper Alloy

F. Djavanroodi — 2008-05-31

American Journal of Applied Sciences, Published online: 31 May 2008; doi:10.3844/ajassp.2008.454.460

Most engineering components which operate at elevated temperatures are subjected to non-steady loading during service. This paper describes the current fracture mechanics concepts that are employed to...

Automatic Glass-Slide Capturing System for Cervical Cancer Pre-Screening Program

Nor Rizuan Mat Noor — 2008-05-31

American Journal of Applied Sciences, Published online: 31 May 2008; doi:10.3844/ajassp.2008.461.467

Clinical glass-slide capturing system is becoming an important part of telemedicine, medical database and diagnostic system that involves of microscope and image acquisition device which is digital ca...

Investigation of The Bubble Foam Separation Technique To Extract Protein From Whey

Mohammed Matouq — 2008-05-31

American Journal of Applied Sciences, Published online: 31 May 2008; doi:10.3844/ajassp.2008.468.472

Separation of proteins from whey; namely α- Lactoglobulin and β- Lactalbumin was obtained using the bubble foam column technique. Two types of whey were conducted in this study; yogurt whey and chee...

Design of Economical Equipment for Water and Fuel Level Detection in Jordan

Ali M. Othman — 2008-05-31

American Journal of Applied Sciences, Published online: 31 May 2008; doi:10.3844/ajassp.2008.473.478

Both a cold and hot water supplies in Jordan are provided by indirect systems and so is the fuel supply for central heating, by using storage tanks placed over the buildings roofs. This requires climb...

The Effect of Digital Count-Down Display on Signalized Junction Performance

M. R. Ibrahim — 2008-05-31

American Journal of Applied Sciences, Published online: 31 May 2008; doi:10.3844/ajassp.2008.479.482

Intersections are bottleneck in the highway networks and critical determinant of system’s capacity and safety. Recently, several countdown timers had been installed at intersections in Kuala Lumpur ...

Prediction of Tumor Existence in the Virtual Soft Tissue by Using Tactile Tumor Detector

Sayyed Mohsen Hosseini — 2008-05-31

American Journal of Applied Sciences, Published online: 31 May 2008; doi:10.3844/ajassp.2008.483.489

We proposed a method to investigate the effects of the tumor existence that appear on the surface of the tissue. Finite element analysis provided properties such as the shape, depth, and location of ...

A Novel Approach for Testing Stability of 1-D Recursive Digital Filters Based on Lagrange Multipliers

K. R. Santhi — 2008-05-31

American Journal of Applied Sciences, Published online: 31 May 2008; doi:10.3844/ajassp.2008.490.495

Digital filters have found their way into many products from every day consumer items such as mobile phones to advanced maritime and military communications and avionics systems. Design of digital fi...

Behavioral Modeling: an Overview

Roman V. Yampolskiy — 2008-05-31

American Journal of Applied Sciences, Published online: 31 May 2008; doi:10.3844/ajassp.2008.496.503

This exploratory paper begins with an overview of a multidisciplinary problem of behavior modeling and correlation of different behaviors. It looks at many possible applications of such technology and...

A Review of Problem Solving Capabilities in Lean Process Management

A.P. Puvanasvaran — 2008-05-31

American Journal of Applied Sciences, Published online: 31 May 2008; doi:10.3844/ajassp.2008.504.511

Human factor plays an important role in ensuring lean process management to be successful and provides good proposition for the success of the organization in the long run. One of the main elements of...

Waste Characterization in Steel Casting and Recycling Opportunities in Europe

Silvia Fiore — 2008-05-31

American Journal of Applied Sciences, Published online: 31 May 2008; doi:10.3844/ajassp.2008.512.518

The wastes coming from a steel foundry located in Italy, producing about 600,000 t/y of steel slabs, are considered in this work. The plant produces about 143,000 t/y of wastes, made of furnace and la...

A Novel Fault Tolerant Reversible Gate For Nanotechnology Based Systems

Majid Haghparast — 2008-05-31

American Journal of Applied Sciences, Published online: 31 May 2008; doi:10.3844/ajassp.2008.519.523

This paper proposes a novel reversible logic gate, NFT. It is a parity preserving reversible logic gate, that is, the parity of the outputs matches that of the inputs. We demonstrate that the NFT gate...

Optimization of Barbell Trajectory During The Snatch Lift Technique By Using Optimal Control Theory

Shahram Lenjan Nejadian — 2008-05-31

American Journal of Applied Sciences, Published online: 31 May 2008; doi:10.3844/ajassp.2008.524.531

Mathematical modeling and optimizing of snatch lift technique based on dynamic synthesis, is the aim of this study. The barbell trajectory is proposed as the performance index, evaluated experimentall...

Computational Visualization and Simulation of Diesel Engines Valve Lift Performance Using CFD

Semin — 2008-05-31

American Journal of Applied Sciences, Published online: 31 May 2008; doi:10.3844/ajassp.2008.532.539

The paper visualized and simulated the intake and exhaust valve lift in the single-cylinder four-stroke direct injection diesel engine. The visualization and simulation computational development were ...

Comparative Performance of Direct Injection Diesel Engines Fueled Using Compressed Natural Gas and Diesel Fuel Based on GT-POWER Simulation

Semin — 2008-05-31

American Journal of Applied Sciences, Published online: 31 May 2008; doi:10.3844/ajassp.2008.540.547

The paper is investigated the application of compressed natural gas (CNG) as an alternative fuel and its performance effect in the diesel engines using GT-POWER computational simulation. The CNG as a...

Performance Analysis of Shell and Tube Heat Exchanger Using Miscible System

M. Thirumarimurugan — 2008-05-31

American Journal of Applied Sciences, Published online: 31 May 2008; doi:10.3844/ajassp.2008.548.552

An experimental investigation on comparative heat transfer study on a solvent and solution were made using 1-1 Shell and Tube Heat Exchanger. Steam is the hot fluid, whereas Water and Acetic acid-Wate...

Numerically Studying the Effect of Stiffening Rings on Reducing the Thickness of Torospherical Heads under Pressure on Their Concave Side

Sa'id Golabi — 2008-05-31

American Journal of Applied Sciences, Published online: 31 May 2008; doi:10.3844/ajassp.2008.553.558

The high thickness of heads used in pressure vessels is always one of the main concerns of designers and manufacturers. A thorough study has been conducted on all types of heads including torospherica...

Optimization of Electric Power Distribution Using Hybrid Simulated Annealing Approach

Walid Ahmed — 2008-05-31

American Journal of Applied Sciences, Published online: 31 May 2008; doi:10.3844/ajassp.2008.559.564

The key goal of electric power distribution companies is to provide a high quality of service with a low cost of operation. The growing customer needs requires a re-distribution of the Power over vari...

Optimal Control of the D-Policy M/G/1 Queueing System with Server Breakdowns

Kuo-Hsiung Wang — 2008-05-31

American Journal of Applied Sciences, Published online: 31 May 2008; doi:10.3844/ajassp.2008.565.573

This study deals with a single server in the D-policy M/G/1 queueing system in which the server is turned off at the end of each complete period and is activated again only when the cumulative complet...

Face Recognition Based on Nonlinear Feature Approach

Eimad E.A. Abusham — 2008-05-31

American Journal of Applied Sciences, Published online: 31 May 2008; doi:10.3844/ajassp.2008.574.580

Feature extraction techniques are widely used to reduce the complexity high dimensional data. Nonlinear feature extraction via Locally Linear Embedding (LLE) has attracted much attention due to their ...

Earthquake Risk Management Strategy Plan Using Nonparametric Estimation of Hazard Rate

Aflaton Amiri — 2008-05-31

American Journal of Applied Sciences, Published online: 31 May 2008; doi:10.3844/ajassp.2008.581.585

Earthquake risk is defined as the product of hazard and vulnerability studies. The main aims of earthquake risk management are to make plans and apply those for reducing human losses and protect prope...

Estimation of C*-Integral in Thin T-Sections Subjected to Projection and Remote Loading Base on Elastic Stress Concentration Factor

A.R. Gowhari-Anaraki — 2008-05-31

American Journal of Applied Sciences, Published online: 31 May 2008; doi:10.3844/ajassp.2008.586.596

The finite element method has been used to predict the creep rupture parameter, C*-Integral of flat T-section bar subjected to loaded projection and remote loading with a crack or crack-like flaw intr...

Pile Instrumentation Using Retrievable Sensors

Faisal Hj. Ali — 2008-05-31

American Journal of Applied Sciences, Published online: 31 May 2008; doi:10.3844/ajassp.2008.597.604

Strain gauges are normally used to monitor the shortening or compression of pile during static pile load test. For concrete spun pile, the technique used either by incorporating high temperature-resis...

Atomic Layer Epitaxial Growth of Gaas on Porous Silicon Substrate

Mohamed Lajnef — 2008-05-31

American Journal of Applied Sciences, Published online: 31 May 2008; doi:10.3844/ajassp.2008.605.609

GaAs thin film has been grown on porous silicon by metal organic chemical vapour deposition (MOCVD) for different growth temperatures using atomic layer epitaxy (ALE) technique. The morphology of GaAs...