Volume 10, Issue 4 (2017) | American Journal of Engineering and Applied Sciences

Development of Electronic Control Circuits for WSN: Towards a Livestock Tracking and Identification System

Obakeng Maphane — 2017-10-04

American Journal of Engineering and Applied Sciences, Published online: 4 October 2017; doi:10.3844/ajeassp.2017.781.789

Botswana’s beef sector contributes 0.3% of the total world beef exports, i.e. US$ 42.4 billion as of the year 2013 and her major market is the European Union (EU). Unfortunately, her failure to comp...

Optical and Structure Analysis of ZnO:Al Film

Neilo Marcos Trindade — 2017-10-05

American Journal of Engineering and Applied Sciences, Published online: 5 October 2017; doi:10.3844/ajeassp.2017.790.798

ZnO and ZnO:Al are wide-bandgap semiconductors which have many applications, mainly as transparent conducting ﬁlms. Thin films of these compounds were deposited onto glass and silicon substrates by ...

Investigation and Comparison of the Quantitative and Qualitative Frequency Distribution of the Rivers

Vijay P. Singh — 2017-10-16

American Journal of Engineering and Applied Sciences, Published online: 16 October 2017; doi:10.3844/ajeassp.2017.799.805

The entrance of pollutants from human activities to the surface water has seriously threatened the quality of water. TDS is an important qualitative parameter of water that describes the water salinit...

Hysteresis, resonant oscillations and bifurcation mode of a system modeled by a forced modified Van der Pol-Duffing oscillator

Jean Bio Chabi Orou — 2017-10-23

American Journal of Engineering and Applied Sciences, Published online: 23 October 2017; doi:10.3844/ajeassp.2017.806.824

Nonlinear oscillations and its applications in physics, chemistry, engineering, biophysics, communications are studied with some analytical, numerical and experimental methods. In the present paper, h...

Development of a Hybrid Power Module for Mobile Wireless Sensor Networks: Towards a Livestock Tracking and Identification System

Molaletsa Namoshe — 2017-10-23

American Journal of Engineering and Applied Sciences, Published online: 23 October 2017; doi:10.3844/ajeassp.2017.825.834

Smart technology and Internet of Things (IoT) applications have gained popularity in the development of agricultural systems with Wireless Sensor Networks (WSNs) increasingly becoming the building blo...

Optimal Meshing of Structured Boundary Domains in Numerical Analyses

Arnulf Kost — 2017-10-23

American Journal of Engineering and Applied Sciences, Published online: 23 October 2017; doi:10.3844/ajeassp.2017.835.846

The analysis of a practical problem using numerical methods such as Finite Element Method (FEM) or Boundary Element Method (BEM) involves the subdivision of the space occupied by a physical system (na...

Multimode Controller Design for DSTATCOM integrated with Battery Energy Storage for Smart Grid Applications

Sai Pranith — 2017-10-26

American Journal of Engineering and Applied Sciences, Published online: 26 October 2017; doi:10.3844/ajeassp.2017.847.856

A Distribution Static Compensator (DSTATCOM) can provide reactive power support, power factor correction and voltage regulation to a distribution system feeder. In this paper, a multimode multifunctio...

Evaluation of Geometric and Environmental Parameters in Reuse of Deactivated Railway for LRV Implantation

Isabelle S. Sales — 2017-10-31

American Journal of Engineering and Applied Sciences, Published online: 31 October 2017; doi:10.3844/ajeassp.2017.857.867

A portion of the origin-destination matrix of freight transport in Brazil corresponds to the railway mode; however, a small part of the matrix of passengers is represented by the modalities that use r...

Nikola TESLA

Relly Victoria Virgil Petrescu — 2017-11-06

American Journal of Engineering and Applied Sciences, Published online: 6 November 2017; doi:10.3844/ajeassp.2017.868.877

Nicolae Tesla, has remained and spent most of his life, making it hard to pronounce "Teslea"), is considered to be the inventor of the alternating current and uncovered cableless power transmission. I...

Measuring Hydraulic Conductivity Using Geotechnical Centrifuge

Nur Aishah Zarime — 2017-11-06

American Journal of Engineering and Applied Sciences, Published online: 6 November 2017; doi:10.3844/ajeassp.2017.878.881

This study investigated the validity of hydraulic conductivity value using Mini Column Infiltration Test. Granitic residual soils from Broga Selangor, Malaysia were tested to obtain the hydraulic cond...

Interpretation of Double Langmuir Probe I-V Characteristics at Different Ionospheric Plasma Temperatures

Shankar Bhattarai — 2017-11-06

American Journal of Engineering and Applied Sciences, Published online: 6 November 2017; doi:10.3844/ajeassp.2017.882.889

Where the plasma potential is fluctuating significantly, Single Langmuir probe method is not relevant to determine the plasma characteristics. This weakness was overcome by the development of the floa...

Comparative Analysis of Skid Resistance for Different Roadway Surface Treatments

Osama A. Abaza — 2017-11-10

American Journal of Engineering and Applied Sciences, Published online: 10 November 2017; doi:10.3844/ajeassp.2017.890.899

Pavement skid resistance impacts road functionality and can affect user safety and vehicle operation costs. This study was an investigation of the effect of sealcoats on skid resistance. Seven differe...

Adaptive Video Quality Model for UHD Video Broadcasting Using the Principle of Inclusion

Urvashi Pal — 2017-11-20

American Journal of Engineering and Applied Sciences, Published online: 20 November 2017; doi:10.3844/ajeassp.2017.900.907

In this study, an adaptive video quality algorithm is developed for Ultra High Definition (UHD) video broadcasting through Digital Video Broadcasting by Satellite 2nd Generation (DVB-S2), where three ...

SFAD2H: Selective Forwarding or Dropping Attack Detection with 2-Hop Acknowledgment Support in Wireless Sensor Networks

Prathap Uppara — 2017-11-23

American Journal of Engineering and Applied Sciences, Published online: 23 November 2017; doi:10.3844/ajeassp.2017.908.918

Security in wireless sensor networks is critical due to its way of open communication. In this study we have proposed a technique based on a sensor node having alternate path knowledge and 2-hop ackno...

Management of Renewable Energies and Environmental Protection

Relly Victoria Virgil Petrescu — 2017-11-23

American Journal of Engineering and Applied Sciences, Published online: 23 November 2017; doi:10.3844/ajeassp.2017.919.948

The purpose of this project is to present an overview of renewable energy sources, major technological developments and case studies, accompanied by applicable examples of the use of sources. Renewabl...

Optimizing an E-Waste Reverse Supply Chain Model while Incorporating Risk Costs

Linh Thi Truc Doan — 2017-11-24

American Journal of Engineering and Applied Sciences, Published online: 24 November 2017; doi:10.3844/ajeassp.2017.949.958

The rapid growth of Electronic Waste (E-waste) in recent years has created serious influences on the environment and society. The highly potential solution to mitigate this issue is the Reverse Supply...

Estimating the Scouring Depth of Bridge Pier Using Self-Organizing Neural Networks (SOM)

Abolfazl Rafat — 2017-11-27

American Journal of Engineering and Applied Sciences, Published online: 27 November 2017; doi:10.3844/ajeassp.2017.959.964

Scouring is caused as a result of erosion of river bed by water flow and materials carried by water. This research estimates the scouring depth using self-organizing neural network (SOM). The obtained...

George (Gogu) Constantinescu

Relly Victoria Virgil Petrescu — 2017-12-05

American Journal of Engineering and Applied Sciences, Published online: 5 December 2017; doi:10.3844/ajeassp.2017.965.979

George (Gogu) Constantinescu (October 4, 1891 - December 11, 1965) was a Romanian scientist and engineer, often considered to be one of the most important Romanian engineers. He was responsible for cr...

Equilibrium Studies and Optimization of Phosphate Adsorption from Synthetic Effluent Using Acid Modified Bio-Sorbent

Babayemi Akinpelu Kamoru — 2017-12-15

American Journal of Engineering and Applied Sciences, Published online: 15 December 2017; doi:10.3844/ajeassp.2017.980.991

Adsorption potential of periwinkle shell (PRW), an agricultural waste, for the removal of phosphate from aqueous solution was investigated through equilibrium studies at various experimental condition...

Triton for Nuclear Fusion

Raffaella Aversa — 2017-12-16

American Journal of Engineering and Applied Sciences, Published online: 16 December 2017; doi:10.3844/ajeassp.2017.992.1000

In the nuclear fusion process that is permanently produced in the stars (suns) there is a thermonuclear reaction that uses as the main raw material the very first isotope of hydrogen, namely the Proti...

Remediation of Heavy Metals by using Industrial Waste by Products in Acid Mine Drainage

Nuur Hani Mohammed — 2017-12-18

American Journal of Engineering and Applied Sciences, Published online: 18 December 2017; doi:10.3844/ajeassp.2017.1001.1012

Acid Mine Drainage (AMD) is one of the main important problems being combated today. Laboratory tank experiments were conducted to evaluate the use of industry waste to adsorb and control the mobiliza...