Volume 12, Issue 3 (2019) | American Journal of Engineering and Applied Sciences

Hardware and Software Components of an Oysters' Gape Measurement System

Amin Ali — 2019-09-07

American Journal of Engineering and Applied Sciences, Published online: 7 September 2019; doi:10.3844/ajeassp.2019.319.328

In this work, the hardware and software used in developing a bivalve gape measurement system is explored. This system employs the Hall-effect phenomenon to accurately measure and report the gape of a ...

A New Approach to Load Flow Analysis for Radial Distribution System - Application for Medium Voltage Distribution System in Morocco

Saad Ouali — 2019-06-29

American Journal of Engineering and Applied Sciences, Published online: 29 June 2019; doi:10.3844/ajeassp.2019.329.336

This paper presents a load flow algorithm based on the backward/forward sweep principle, flexible for radial distribution system reconfiguration, with an improvement in ensuring a minimum number of se...

Free Particle Spin Speed

Nicolae Petrescu — 2019-07-05

American Journal of Engineering and Applied Sciences, Published online: 5 July 2019; doi:10.3844/ajeassp.2019.337.341

The electron and the proton are stable particles, compounds of the atoms, which in turn are the macroscopic scale components. A heated metal plate becomes the source of a cloud of electrons, which by ...

Study of Energy Types: Fossil, Nuclear and Renewable Energies and their Evaluation in Terms of Environmental Pollution and Economically

Sara Abdollahi — 2019-07-18

American Journal of Engineering and Applied Sciences, Published online: 18 July 2019; doi:10.3844/ajeassp.2019.342.351

Unwise and increasing exploitation of various energy carriers, including oil, gas and coal, has made countries to focus on two major issues, namely running out fossil fuels, as well as environmental p...

Measurement of Gas-Phase Mass Transfer Coefficients in a Humidification Column through Random Packing

Masoud Khorasani — 2019-07-18

American Journal of Engineering and Applied Sciences, Published online: 18 July 2019; doi:10.3844/ajeassp.2019.352.358

Packed columns are an important part of the broad selection of mass and heat transfer equipment. Nowadays, the use of packed columns is increasing, which is because of its lower pressure drop, higher ...

Seismic Fragility Assessment of RC Frame Equipped by Visco-Elastic Dampers Using NLTHA and FNA

Ali A. Rostam Alilou — 2019-07-18

American Journal of Engineering and Applied Sciences, Published online: 18 July 2019; doi:10.3844/ajeassp.2019.359.367

In recent years, the issue of lower computational cost and analysis time has been the important factors for the structural analysts. In the meantime, after years of its introduction as an analysis hav...

A Contribution of the CDP Gathers and Pre-Stack Seismic Inversion in the Prospect Evaluation: A Case Study of El Mansoura Field, Nile Delta, Egypt

Mohamed Hussein — 2019-07-24

American Journal of Engineering and Applied Sciences, Published online: 24 July 2019; doi:10.3844/ajeassp.2019.368.386

This case study showing the usefulness of the Common Depth Point (CDP’s) analysis to assess the amplitude response which is similar at two cases (gas-bearing and dry sands) after stack, using the Am...

A Short Communication: ‘Hasret’s Theory’; Quantum Observation Caused by the Filling of a Helium-3 Electron Hole in an INVIZICLOUD© via a ‘Celalettin-Field Quantum Observation Tunnel’

Metin Celalettin — 2019-07-29

American Journal of Engineering and Applied Sciences, Published online: 29 July 2019; doi:10.3844/ajeassp.2019.387.390

In anti-ferromagnetism, the magnetic moments of particles related to electron spin; a regular pattern, the remaining particles in the ensemble are like ferromagnetism; a manifestation of ordered magne...

Investigating QoS and Performance of Received Signal Strength Indicator in Fiber Optics Broadband Data Communication

Owusu Nyarko-Boateng — 2019-08-03

American Journal of Engineering and Applied Sciences, Published online: 3 August 2019; doi:10.3844/ajeassp.2019.391.401

There has been an unusual drop of Fiber Optics Broadband (FOB) internet speed in certain localities in Ghana which severely affect users’ experience. This phenomenon have had a serious impact on the...

Permanent Magnetic Fluids

Nicolae Petrescu — 2019-08-22

American Journal of Engineering and Applied Sciences, Published online: 22 August 2019; doi:10.3844/ajeassp.2019.402.412

A team of researchers at the University of Massachusetts Amherst has accidentally obtained the first magnetized permanent liquid in the world, the droplets of this liquid moving in unison and able to ...

Histogram Matching Schemes for Image Thresholding

Salah Ameer — 2019-09-09

American Journal of Engineering and Applied Sciences, Published online: 9 September 2019; doi:10.3844/ajeassp.2019.413.419

This paper proposes several novel schemes for image thresholding. The idea is simply to compare the original image histogram to that of the thresholded image. Element by element comparison (sum of abs...

Identification of Retrofits Needed in Old Office Buildings to Achieve Thermal Comfort

Chipozya Tembo Silungwe — 2019-09-18

American Journal of Engineering and Applied Sciences, Published online: 18 September 2019; doi:10.3844/ajeassp.2019.420.431

Building designs normally are made to offer a given level of comfort to occupants without any mechanical intervention. However, with the advent of global warming temperatures globally have been seen t...

Reduction of Microbial Contamination of Outlet Waste in Urban Wastewater Treatment Plants

Sona Pazdar — 2019-09-18

American Journal of Engineering and Applied Sciences, Published online: 18 September 2019; doi:10.3844/ajeassp.2019.432.439

The available research was managed to monitor the physicochemical and microbiological features of treatment plants. The wastewater treatment herb sewage is a straight pollution input source for anthro...

Design and Experimental Investigation of a Novel Solar Collector with a W-Shape Cover

Edoun Marcel — 2019-09-19

American Journal of Engineering and Applied Sciences, Published online: 19 September 2019; doi:10.3844/ajeassp.2019.440.449

In the current study, we developed and tested a new type of solar collector named W-shape solar collector. It is a solar collector with single air pass between the transparent cover and the absorber. ...