Volume 3, Issue 12 (2006) | American Journal of Applied Sciences

The Effects of Harmonic Components on Transformer Losses of Sinusoidal Source Supplying Non-Linear Loads

I. Daut — 2006-12-31

American Journal of Applied Sciences, Published online: 31 December 2006; doi:10.3844/ajassp.2006.2131.2133

An important consideration when evaluating the impact of harmonics is their effect on power system component and loads. Transformers are major components in power systems. The increased losses due to ...

Characteristic Curve of a Fuel Cell

Muzamir Isa — 2006-12-31

American Journal of Applied Sciences, Published online: 31 December 2006; doi:10.3844/ajassp.2006.2134.2135

The aim of this study was to deliver information about the features of fuel cells. It cover analysis of theory and experiment done using a set of tool called Hydro Genius Teach. The experiment is abou...

Upgrading of Light Dewaxed Oil through Hydrofinishing and Additives Blending for Producing Automatic Transmission Fluid

Gamal Abdel-Nasser Gohar — 2006-12-31

American Journal of Applied Sciences, Published online: 31 December 2006; doi:10.3844/ajassp.2006.2136.2146

Light dewaxed oil was produced through dewaxing process of the light waxy distillate raffinate of crude oil from Western Desert of Egypt using methyl ethyl ketone/toluene mixed solvent. Hydrofinishing...

Remote Personal Tracking System (RPTS)

Abdfatah A. Yahya — 2006-12-31

American Journal of Applied Sciences, Published online: 31 December 2006; doi:10.3844/ajassp.2006.2147.2150

A novel system for remote tracking of personnel was proposed. The system was based on assuring that the moving tracked code belongs to the actual person assigned such a code by smelling and temperatur...

An Analysis of Quality of Work Life (QWL) and Career- Related Variables

Arafat Al-Dhaqm — 2006-12-31

American Journal of Applied Sciences, Published online: 31 December 2006; doi:10.3844/ajassp.2006.2151.2159

The aim of this study was to determine the level and relationship between qualities of work life (QWL) with career-related variables. The sample consists of 475 executives from the electrical and elec...

Separation of Guanine and Hypoxanthine with Some Ionic Liquids in RP-HPLC

J. Zheng — 2006-12-31

American Journal of Applied Sciences, Published online: 31 December 2006; doi:10.3844/ajassp.2006.2160.2166

In this paper, guanine and hypoxanthine were separated with four different ionic liquids as additives for the mobile phase using reversed phase high performance liquid chromatography (RP-HPLC). The io...

Characteristic and the Efficiency of Fuel Cell

Muzamir Isa — 2006-12-31

American Journal of Applied Sciences, Published online: 31 December 2006; doi:10.3844/ajassp.2006.2167.2169

The aim of this study was to deliver information about the features of fuel cells. Along with it, this study gives details about activities of renewable energy. It covers analysis of theories and some...

Development of a Wear Map for the Sliding and Rotational Wear behavior of Shafts

Al-mahasne Mayas Mohammad — 2006-12-31

American Journal of Applied Sciences, Published online: 31 December 2006; doi:10.3844/ajassp.2006.2170.2173

This study was an attempt to study the wear calculation method for rotating shaft in the friction couple type shaft-cuff in conditions of oiling in high dusty environment. The size and quantity of abr...

The Application of Agent Technology on the Power Flow of Iraqi Supper Grid Network

Shant K. Avakian — 2006-12-31

American Journal of Applied Sciences, Published online: 31 December 2006; doi:10.3844/ajassp.2006.2174.2177

A study was conducted to improve the Iraqi National Control center by adapting the facilities of the agent technology and to obtain an automated control system for controlling and monitoring the elect...

Simulation, Design and Construction of High Voltage DC Power Supply at 15 kV Output Using Voltage Multiplier Circuits

N. Mariun — 2006-12-31

American Journal of Applied Sciences, Published online: 31 December 2006; doi:10.3844/ajassp.2006.2178.2183

This study describes the details of high voltage DC power supply whose output voltage is 15 kV. In this study, we review the major aspects of the design of voltage multiplier circuits and constructed ...

Resonance in Satellite's Motion Under Air Drag

Rashmi Bhardwaj — 2006-12-31

American Journal of Applied Sciences, Published online: 31 December 2006; doi:10.3844/ajassp.2006.2184.2189

This article studies the attitude motion of a satellite in a circular orbit under the influence of central body of mass M and its moon of mass m, whose orbit is assumed to be circular and coplanar wit...