Volume 15, Issue 1 (2022) | American Journal of Engineering and Applied Sciences

Evaluation of Surface Drag Interval in the Variable Situations

Parisa Ashrafi — 2022-03-12

American Journal of Engineering and Applied Sciences, Published online: 12 March 2022; doi:10.3844/ajeassp.2022.1.8

Tools applied in different fields of engineering are artificial neural networks to model non-linear systems which are efficient and useful. Artificial neural networks consist of input and output layer...

Experimental Antenna and Circuit Model for Charging an Electronic Device from the Ambient Electromagnetic Waves

Pankaj Chandra Kar — 2022-01-18

American Journal of Engineering and Applied Sciences, Published online: 18 January 2022; doi:10.3844/ajeassp.2022.9.22

Electronic device use is on the rise as more and more tasks in everyday life are conducted online. As a consequence, charging is a unique aspect of any electronic device. However, the capacity of any ...

AI Based Mobile Bill Payment System using Biometric Fingerprint

Ayyaswamy Kathirvel — 2022-01-19

American Journal of Engineering and Applied Sciences, Published online: 19 January 2022; doi:10.3844/ajeassp.2022.23.31

Billions of payment transactions occur in our day-to-day life, but every payment method depends on a material to carry. It is common for users to possess various materials like cash, credit cards and ...

Design, Fabrication and Operational Evaluation of a Co-Pyrolysis System for Waste-Plastics Derived Fuels: A Study of Edo North

Kevin Otoikhian — 2022-01-18

American Journal of Engineering and Applied Sciences, Published online: 18 January 2022; doi:10.3844/ajeassp.2022.32.42

This research work designed, developed and assessed the performance of a co-pyrolysis system generating waste-plastic extract fuels from mixed Municipal Waste Plastics (MWP) while evaluating High-Dens...

Geometric Optimization of Complex Heat Exchangers using Constructal Technique

Nahum Yustus Godi — 2022-02-08

American Journal of Engineering and Applied Sciences, Published online: 8 February 2022; doi:10.3844/ajeassp.2022.43.50

The application of microchannel heat exchangers for cooling is documented in this study. Numerical optimization is carried out with the goal of minimising the peak wall temperature in the microchannel...

Damavand Earthquake of 2020 the Mainshock or an Alarm for Disaster for the Capital of Iran

Milad Baftipour — 2022-02-14

American Journal of Engineering and Applied Sciences, Published online: 14 February 2022; doi:10.3844/ajeassp.2022.51.58

On 7 May 2020, the Damavand earthquake with magnitude 5.1 occurred at 55 km east of Tehran city, which has a population of over 15 million people. This earthquake caused a seismic hazard for the capit...

Kinetostatics of a 2T9R Robot Mechanism

Florian Ion Tiberiu Petrescu — 2022-02-12

American Journal of Engineering and Applied Sciences, Published online: 12 February 2022; doi:10.3844/ajeassp.2022.59.80

The paper presents in detail a method of calculating the forces acting on a 2T9R type robot. In order to determine the reactions (forces in the kinematic couples), one must first determine the inertia...

Crowd-Engineering: Managing Innovative Product Design by Widening Collaborations

Agostino Villa — 2022-04-03

American Journal of Engineering and Applied Sciences, Published online: 3 April 2022; doi:10.3844/ajeassp.2022.81.87

Global contest has overwhelmed enterprises by the eager demand for products and services with high-tech features, along the entire product life cycle. Several companies reacted by developing the coope...

Physical and Mechanical Properties of Concrete using Recycled Clay Bricks as Coarse Aggregate

Mohammad Yasir Abdul Hakim — 2022-04-04

American Journal of Engineering and Applied Sciences, Published online: 4 April 2022; doi:10.3844/ajeassp.2022.88.100

Rising construction waste due to demolition work, natural disasters, and development is becoming a prominent issue. To tackle this, Recycled Crushed Brick Masonry Aggregate (RCBMA) can be an ideal...

Study of Concentrated Solar Power Collectors with Organic Rankine Cycle and Magnetized Nanofluids

Samuel Sami Howard — 2022-03-05

American Journal of Engineering and Applied Sciences, Published online: 5 March 2022; doi:10.3844/ajeassp.2022.101.117

The performance of “magnetized nanofluids in a Parabolic Trough Concentrating Solar Collector (CSP)-integrated Organic Rankine Cycle (ORC) and a Thermal Energy Storage (TES) systems are studied. The...

Leaching of a Nigerian Refractory Gold Ore Using Aqua Regia

Oluwasanmi Samuel Teniola — 2022-03-13

American Journal of Engineering and Applied Sciences, Published online: 13 March 2022; doi:10.3844/ajeassp.2022.118.125

In this research, refractory gold ore from Imogbara deposit in Iperindo area of Osun state Nigeria were collected systematically from various segments of the deposits at different depths to obtain a s...

Children Emotions Detection and Learning using a Fairy Tale Serious Game

Chadi Fouad Riman — 2022-03-31

American Journal of Engineering and Applied Sciences, Published online: 31 March 2022; doi:10.3844/ajeassp.2022.126.131

Children learn emotional ways of expressing their feelings in several ways. They learn at home as well as in their interactions with their friends at school. The problem is that sometimes they have a ...