Volume 5, Issue 1 (2012) | American Journal of Engineering and Applied Sciences

Greenhouse Gas Emissions: Quantifying Methane Emissions from Livestock

Rafiu O. Yusuf — 2012-01-31

American Journal of Engineering and Applied Sciences, Published online: 31 January 2012; doi:10.3844/ajeassp.2012.1.8

Problem statement: The rearing of animals for domestic consumption and export invariably lead to the production of methane as a product of digestion. This study investigated the emission of methane fr...

Technology Use in the Virtual R&D Teams

Nader Ale Ebrahim — 2012-01-31

American Journal of Engineering and Applied Sciences, Published online: 31 January 2012; doi:10.3844/ajeassp.2012.9.14

Problem statement: Although, literature proves the importance of the technology role in the effectiveness of virtual Research and Development (R&D) teams for new product development. However, the fact...

Dynamic Partial Reconfiguration Contribution on System on Programmable Chip Architecture for Motor Drive Implementation

Hedi Abdelkrim — 2012-02-18

American Journal of Engineering and Applied Sciences, Published online: 18 February 2012; doi:10.3844/ajeassp.2012.15.24

Problem statement: Nowadays, Reconfigurable System on Chip (RSoC) shows great potential in many high performance applications that benefit from Hardware customization. Approach: In this study, we pres...

Calibration Coefficients for Residual Stress Measurement in Composite Materials Using Finite Element Method

A. G. Ghasemi — 2012-02-18

American Journal of Engineering and Applied Sciences, Published online: 18 February 2012; doi:10.3844/ajeassp.2012.25.28

Problem statement: Since the residual stresses can cause a scienificant reduction in strength of the mechanical components, having a semi-destructive measuring method that would predict and model thes...

Properties of Fly Ash Based Coconut Fiber Composite

K. Saravana Raja Mohan — 2012-02-20

American Journal of Engineering and Applied Sciences, Published online: 20 February 2012; doi:10.3844/ajeassp.2012.29.34

The present paper reports the results of a study undertaken in enhancing properties of fly ash concrete composites-FMCC with locally available natural fiber. In this context a composite with fly ash, ...

Performance Analysis and Components Irreversiblities of a (25 MW) Gas Turbine Power Plant Modeled with a Spray Cooler

Fidelis Ibiang Abam — 2012-02-24

American Journal of Engineering and Applied Sciences, Published online: 24 February 2012; doi:10.3844/ajeassp.2012.35.41

In this study the effect of inlet air cooling system and components irreversibilities on the performance of an active 25MW gas turbine power plant was investigated. The objective of this study was to ...

Sharp Transition Multiband Filter in Speech Processing Scheme for Hearing Impaired

Joseph X. Rodrigues — 2012-02-27

American Journal of Engineering and Applied Sciences, Published online: 27 February 2012; doi:10.3844/ajeassp.2012.42.48

Problem statement: A simple analytical approach to the synthesis of a sharp transition, linear phase, multiband FIR filter is presented. The filter magnitude response is modeled using trigonometric fu...

Supplier Selection and Performance Evaluation of Telecommunication Company

Atefeh Amindoust — 2012-02-28

American Journal of Engineering and Applied Sciences, Published online: 28 February 2012; doi:10.3844/ajeassp.2012.49.52

Problem statement: In today’s manufacturing outsourcing of resources has significant importance. Efficient supplier selection process is a central part in supply chain management for enterprises for...

Integrated Electricity Planning Comprise Renewable Energy and Feed-In Tariff

Ho Wai Shin — 2012-02-28

American Journal of Engineering and Applied Sciences, Published online: 28 February 2012; doi:10.3844/ajeassp.2012.53.58

Problem statement: Mitigation of global warming and energy crisis has called upon the need of an efficient tool for electricity planning. This study thus presents an electricity planning tool that inc...

The Recovery of Used Palm Cooking Oil Using Bagasse as Adsorbent

Rizki Wannahari — 2012-03-02

American Journal of Engineering and Applied Sciences, Published online: 2 March 2012; doi:10.3844/ajeassp.2012.59.62

Problem statement: The use and reduce cooking oil is a common phenomena in our society. While some of this cooking oil is further refine most of it however and not subject to any filtration in the ref...

A Study of Network Traffic Pattern and its Impact on Performance in Implementation of Web Services

K. Velmurugan — 2012-04-27

American Journal of Engineering and Applied Sciences, Published online: 27 April 2012; doi:10.3844/ajeassp.2012.63.69

Problem statement: Currently it is evident that the web service is emerging as a solution for business applications and deployment of web services witnesses exponential growth. Web services rely on ne...

Enhancement of Voltage Stability by Optimal Location of Static Var Compensator Using Genetic Algorithm and Particle Swarm Optimization

R. Kalaivani — 2012-05-11

American Journal of Engineering and Applied Sciences, Published online: 11 May 2012; doi:10.3844/ajeassp.2012.70.77

Problem statement: Voltage instability and voltage collapse have been considered as a major threat to present power system networks due to their stressed operation. It is very important to do the powe...

Purification of Natural Gas with Impurities using Membrane Processes: Parameter Estimation

N. W. Jusoh — 2012-05-22

American Journal of Engineering and Applied Sciences, Published online: 22 May 2012; doi:10.3844/ajeassp.2012.78.83

Problem statement: Membrane processes have received a significantly high attention on natural gas separation processes since this technology provides higher operating and cost advantages as compared t...

Managing Process Hazards in Lab-Scale Pilot Plant for Safe Operation

Hanida Abdul Aziz — 2012-05-26

American Journal of Engineering and Applied Sciences, Published online: 26 May 2012; doi:10.3844/ajeassp.2012.84.88

In spite of the OSHA Laboratory and Hazards Communication Standards, incidents which result in injuries and property loss continue to occur in the research and teaching locations. Application of Proce...

Voice-Based Control of a DC Servo Motor

Hammam Mahjoub — 2012-06-04

American Journal of Engineering and Applied Sciences, Published online: 4 June 2012; doi:10.3844/ajeassp.2012.89.92

Problem statement: Motors play a very important role in our life and among which is the DC servo motors. The techniques of controlling these DC motors are plenty, among which is sound. In this study, ...

Geoelectrical Resistivity Imaging and Refraction Seismic Investigations at Sg.Udang, Melaka

Zeinab Asry — 2012-06-13

American Journal of Engineering and Applied Sciences, Published online: 13 June 2012; doi:10.3844/ajeassp.2012.93.97

Problem statement: A Reconnaissance geophysical survey of an area near Sg.Udang, Melaka was conducted using geoelectrical resistivity and seismic refraction methods. The main objective of this study i...