Volume 1, Issue 3 (2008) | American Journal of Engineering and Applied Sciences

Determination of Average Contour of Thais Skulls for Design of Implants

Khemachit Sena — 2008-09-30

American Journal of Engineering and Applied Sciences, Published online: 30 September 2008; doi:10.3844/ajeassp.2008.168.173

In this study, 100 dry skulls of Thais collected at the Srinagarind Hospital in Khon Kaen, Thailand were CT scanned and served for the investigation of the geometric average contour of Thais skulls. M...

Effect of Inclination Angle on Performance Limit of a Closed-End Oscillating Heat Pipe

T. Hudakorn — 2008-09-30

American Journal of Engineering and Applied Sciences, Published online: 30 September 2008; doi:10.3844/ajeassp.2008.174.180

This study presents the effect of inclination angle on the performance limit of a Closed-End Oscillating Heat Pipe (CEOHP). The study was divided into 2 corresponding parts. The first part was visual ...

Numerical Study of the Temperature Separation in the Ranque-Hilsch Vortex Tube

Saeid Akhesmeh — 2008-09-30

American Journal of Engineering and Applied Sciences, Published online: 30 September 2008; doi:10.3844/ajeassp.2008.181.187

This research has been carried out in order to provide an understanding of the physical behaviors of the flow variation of pressure and temperature in a vortex tube. A computational fluid dynamics mod...

Identification of Shear Band using Elastic Shear Wave Propagation

T. Nachiengtai — 2008-09-30

American Journal of Engineering and Applied Sciences, Published online: 30 September 2008; doi:10.3844/ajeassp.2008.188.191

Localization in soil under high stress level is usually investigated using some indirect measures, e.g., X-ray diffraction method. In the present study, the propagation velocity of shear wave was used...

Strength Modeling of Reinforced Concrete Beam with Externally Bonded Fibre Reinforcement Polymer Reinforcement

N. Pannirselvam — 2008-09-30

American Journal of Engineering and Applied Sciences, Published online: 30 September 2008; doi:10.3844/ajeassp.2008.192.199

This research study presents the evaluation of the structural behaviour of reinforced concrete beams with externally bonded Fibre Reinforced Polymer (FRP) reinforcements. Three different steel ratios ...

Thermal Effusivity Measurement of Virgin Coconut Oil-Methanol Mixtures using Photoacoustic Technique

Firas Kamel Mohamad Al-asfoor — 2008-09-30

American Journal of Engineering and Applied Sciences, Published online: 30 September 2008; doi:10.3844/ajeassp.2008.200.203

Thermal effusivity of virgin coconut oil-methanol mixtures were measured using open photoacoustic cell technique. The samples were prepared by simply mixing virgin coconut oil and methanol using simil...

Determination of Rheological Properties of Bio Mastic Asphalt

R. Muniandy — 2008-09-30

American Journal of Engineering and Applied Sciences, Published online: 30 September 2008; doi:10.3844/ajeassp.2008.204.209

Due to the high oil prices the price of asphalt binder has increased tremendously. This scenario has warranted demand for higher viscosity cheaper asphalt for pavement construction. A study was conduc...

Study of Impact between Adjacent Structures during of Earthquake and their Effective Parameters

Alireza M. Goltabar — 2008-09-30

American Journal of Engineering and Applied Sciences, Published online: 30 September 2008; doi:10.3844/ajeassp.2008.210.218

In this research, buildings with 2-15 stories and different heights were put together using GAP joint element and nonlinear time-history analyses were done for Tabas, Elcentro and Sakaria accelerograp...

A Novel Integrated SET Based Inverter for Nano Power Electronic Applications

Negin Moezi — 2008-09-30

American Journal of Engineering and Applied Sciences, Published online: 30 September 2008; doi:10.3844/ajeassp.2008.219.222

In this research an emerging field of power electronics in nanotechnology is survived. This application-based technology today is called Nano Power Electronics. It utilizes nano electronic transistors...

Leveling Process of Total Electron Content (TEC) Using Malaysian Global Positioning System (GPS) Data

Y. Norsuzila — 2008-09-30

American Journal of Engineering and Applied Sciences, Published online: 30 September 2008; doi:10.3844/ajeassp.2008.223.229

The signals from the satellites of the Navstar Global Positioning System (GPS) travel through the earth's ionosphere on their way to GPS receivers. However, ionospheric delay is one of the main source...

Treatment of Remazol Brilliant Blue Dye Effluent by Advanced Photo Oxidation Process in TiO2/UV and H2O2/UV reactors

M. Verma — 2008-09-30

American Journal of Engineering and Applied Sciences, Published online: 30 September 2008; doi:10.3844/ajeassp.2008.230.240

Advanced oxidation processes involving TiO2/UV and H2O2/UV were evaluated for their potential use in decolorization of textile dye effluents. A coil photo reactor, consisting of UV radiation source an...