Volume 14, Issue 1 (2021) | American Journal of Engineering and Applied Sciences

Use of Lazy Wavelet and DCT for Vibration Signal Compression

Pierre ELE — 2021-01-09

American Journal of Engineering and Applied Sciences, Published online: 9 January 2021; doi:10.3844/ajeassp.2021.1.6

In this study, we compress and decompress the vibration signals from the functioning of a ball bearing. The methodology used to compress the vibration data in this study is to reduce the size of the d...

Reinforcing Effect of Strain Gauges on 3D Printed Polymers: An Experimental Investigation

Salvatore Brischetto — 2021-01-09

American Journal of Engineering and Applied Sciences, Published online: 9 January 2021; doi:10.3844/ajeassp.2021.7.24

Strain gauges are ordinary transducers for strain measuring; their operation relies on the electrical resistance, which varies as the underlying substrate is subjected to mechanical deformation. The m...

XPS Studies of the SiO₂ Substrates and Thermoelectric Thin Films of Sn/Sn+SnO₂ under the Effects of the Different Thermal Treatments

Richard Lagle — 2021-01-09

American Journal of Engineering and Applied Sciences, Published online: 9 January 2021; doi:10.3844/ajeassp.2021.25.50

Multilayered thermoelectric Sn/Sn+SnO2 thin films were prepared using KJL DC/RF magnetron sputtering system under Ar gas plasma on the SiO2 substrates. The thicknesses of the fabricated thin films wer...

The Effects of Cement Kiln Dust on the Soil Electrical Resistivity

Hamid Ranjkesh Adarmanabadi — 2021-01-14

American Journal of Engineering and Applied Sciences, Published online: 14 January 2021; doi:10.3844/ajeassp.2021.51.63

Electrical resistivity is a non-destructive, cost-effective and sensitive method to evaluate soil's physical and chemical properties. Electrical resistivity has been used widely in surface and subsurf...

Impact of the Drainage Slope Experimental Study on the Manning Roughness Coefficient

Kaveh Ostad-Ali-Askari — 2021-01-15

American Journal of Engineering and Applied Sciences, Published online: 15 January 2021; doi:10.3844/ajeassp.2021.64.72

It was Determined the current persistence components were significant in hydraulic designs of highland zone with sharp slopes. It was defined to examine the consequence of gradient, rapidity, depth an...

Combination of Backward and Forward Approaches for Future Prediction by Business Intelligence Tools

Mohammad Najjartabar Bisheh — 2021-01-15

American Journal of Engineering and Applied Sciences, Published online: 15 January 2021; doi:10.3844/ajeassp.2021.73.80

Business intelligence tools now play an important role in data collection, processing and analyses of organizations. Managers may use outputs of such tools and make improved decisions. To provide an e...

Modelling IoT Systems with UML: A Case Study for Monitoring and Predicting Power Consumption

Marla Teresinha Barbosa Geller — 2021-02-01

American Journal of Engineering and Applied Sciences, Published online: 1 February 2021; doi:10.3844/ajeassp.2021.81.93

Software Engineering has evolved to meet the growing complexity of current systems and the resources of the Unified Modeling Language (UML) enable the modeling of such systems in different views. The ...

Water Reuse in Industry: Necessities and Possibilities

Kaveh Ostad-Ali-Askari — 2021-01-23

American Journal of Engineering and Applied Sciences, Published online: 23 January 2021; doi:10.3844/ajeassp.2021.94.102

To begin with, lack of water, declining quality of it and environmental restrictions caused to increase requirements of reusing wastewaters extremely. By industrialization and reduction of pressure on...

Improving the Traffic Flow in Hot Arid Climate Areas by Implementing a Monorail Light Rail Transit System: Case of Kuwait

Taha Ahmed — 2021-01-24

American Journal of Engineering and Applied Sciences, Published online: 24 January 2021; doi:10.3844/ajeassp.2021.103.111

This study investigated the viability of establishing a monorail network system in Kuwait as an additional means of transportation to the current transportation systems. Two critical areas with high t...

Kinematics of the Basic Mechatronic Module 3R of an Anthropomorphic Robot

Florian Ion Tiberiu Petrescu — 2021-02-08

American Journal of Engineering and Applied Sciences, Published online: 8 February 2021; doi:10.3844/ajeassp.2021.112.128

The kinematics of the basic mechatronic module 3R of an anthropomorphic robot will be presented in this study, through an original geometric-analytical method, developed by the author. The advantages ...

Evaluating the Effect of Soil Particle Characterization on Internal Friction Angle

Arezou Rasti — 2021-02-21

American Journal of Engineering and Applied Sciences, Published online: 21 February 2021; doi:10.3844/ajeassp.2021.129.138

One of the critical design parameters used in evaluating soil structure is the friction angle, derived from Mohr's Circle failure criterion. The soil friction angle is an engineering parameter estimat...

Combining Q-Learning and Multi-Layer Perceptron Models on Wireless Channel Quality Prediction

Andrea L. Piroddi — 2021-03-10

American Journal of Engineering and Applied Sciences, Published online: 10 March 2021; doi:10.3844/ajeassp.2021.139.151

One of the most complex challenges that wireless communication systems will face in the coming years is the management of the radio resource. In the next years, the growth of mobile devices, forecast ...