Volume 6, Issue 1 (2013) | American Journal of Engineering and Applied Sciences

Experimental Investigation of Thermoelectric Generator Modules with Different Technique of Cooling System

Mohd Izam Abd Jalil — 2013-01-07

American Journal of Engineering and Applied Sciences, Published online: 7 January 2013; doi:10.3844/ajeassp.2013.1.7

Nowadays the world has experiencing global warming due to excessive energy release into atmospheres. Today, a lot of research being conducted on ways to recover or reused the energy losses. An experi...

Design, Development and Numerical Analysis of Honeycomb Core with Variable Crushing Strength

Shabnam Sadeghi Esfahlani — 2013-01-15

American Journal of Engineering and Applied Sciences, Published online: 15 January 2013; doi:10.3844/ajeassp.2013.8.19

A honeycomb core with half-circular cut-away sections at the spine (the adjoining cell walls) is designed and developed and numerically tested under axial dynamic load condition. The parametric study ...

A Comparative Study of the Thermal Comfort of Different Building Materials in Sana’a

Mousa Ahmed Alhaddad — 2013-01-25

American Journal of Engineering and Applied Sciences, Published online: 25 January 2013; doi:10.3844/ajeassp.2013.20.24

This study describes the impact of alternative building material envelope systems on the overall thermal performance of four selected materials used in Sana’a, Yemen. These systems included adobe, b...

Tunability Performance of Reflectarrays Based on Non-Linear Material Properties

M. Y. Ismail — 2013-02-06

American Journal of Engineering and Applied Sciences, Published online: 6 February 2013; doi:10.3844/ajeassp.2013.25.30

Limited phase range and narrower bandwidth are the main performance limitations of reflectarray antennas for high gain applications which result in the performance to be restricted particularly in sat...

Effect of Link Dimensions on D Type Eccentric Steel Frames

Mazen Ali Musmar — 2013-02-12

American Journal of Engineering and Applied Sciences, Published online: 12 February 2013; doi:10.3844/ajeassp.2013.31.41

In seismic prone regions, buildings are designed to maintain sufficient stiffness during moderate earthquakes and to absorb and dissipate a large amount of the energy released due to severe earthquake...

Analytic and Nonlinear Prognostic for Vehicle Suspension Systems

Abdo Abou Jaoude — 2013-02-23

American Journal of Engineering and Applied Sciences, Published online: 23 February 2013; doi:10.3844/ajeassp.2013.42.56

Predicting Remaining Useful Lifetime (RUL) of industrial systems becomes currently an important aim for industrialists knowing that the expensive failure can occur suddenly. As the classical strategie...

A robust Approach to Classify Microcalcification in Digital Mammograms Using Contourlet Transform and Support Vector Machine

J. S. Leena Jasmine — 2013-02-28

American Journal of Engineering and Applied Sciences, Published online: 28 February 2013; doi:10.3844/ajeassp.2013.57.68

Mammogram is the best available radiographic method to detect breast cancer in the early stage. However detecting a microcalcification clusters in the early stage is a tough task for the radiologist. ...

Restoration of Biodiversity and Ecosystem

Ignacio Santa-Regina — 2013-03-10

American Journal of Engineering and Applied Sciences, Published online: 10 March 2013; doi:10.3844/ajeassp.2013.69.86

Succession is one of the most studied processes in ecology and succession theory provides strong predictability. However, few attempts have been made to influence the course of succession thereby test...

The Use of Swimmer Bars as Shear Reinforcement in Reinforced Concrete Beam

Moayyad Al-Nasra — 2013-03-15

American Journal of Engineering and Applied Sciences, Published online: 15 March 2013; doi:10.3844/ajeassp.2013.87.94

The behavior of reinforced concrete beams at failure by shear is distinctly different from their behavior by bending, which is considered to be unsafe mode of failure. The shear failure of beams is us...

Possibility and Evidence-Based Reliability Analysis and Design Optimization

Hong-Zhong Huang — 2013-03-26

American Journal of Engineering and Applied Sciences, Published online: 26 March 2013; doi:10.3844/ajeassp.2013.95.136

Engineering design under uncertainty has gained considerable attention in recent years. A great multitude of new design optimization methodologies and reliability analysis approaches are put forth wit...