Author: Jose A. Gutierrez Bravo ABSTRACT CO2 concentration to the atmosphere has risen faster than ever in the last century. This is highly due to fossil fuel combustion which is the major anthropogenic CO2 source. Membrane technology is an important … Continue reading
Authors: Abdrahamane Traoré, Hatem Elgothamy, Mohamed A. Zohdy ABSTRACT This paper presents a method for optimal sizing of an off-grid hybrid microgrid (MG) system in order to achieve a certain load demand. The hybrid MG is made of a solar … Continue reading
Authors: Bin Sun, Elham Makram, Xufeng Xu ABSTRACT Nowadays, more and more electrical power is being distributed to customers by underground cables rather than overhead transmission lines due to their advantage of providing better protection in inclement weather. They also … Continue reading
Authors: Ahmed Moubarak, Gaber El-Saady, El-Noby A. Ibrahim ABSTRACT Photovoltaic (PV) power is most commonly used for water pumping applications. The DC output voltage of PV arrays is connected to a DC-DC converter using a maximum power point tracking (MPPT) … Continue reading
Author: Abdullah M. Al-Shaalan ABSTRACT This work attempts to investigate some practical measures that may reduce severe power outages that lead to energy curtailments. The first step of this attempt is to explore, from the consumer’s perspective, the adverse effects … Continue reading
Authors: Nimrah Saeed, Anas Ibrar, Aimen Saeed ABSTRACT Nowadays, Z-source inverters (ZSI) are one of the most emerging topologies in field of power electronics. This paper deals with brief review of Z-source inverter, comprehensive study of its various topologies and … Continue reading
Author(s): Wondwossen Bogale ABSTRACT Ethiopia is the second largest flower exporter in Africa. However, finding effective solutions for flowers waste management that are economical, efficient and environmentally friendly is a very difficult task. In this paper, a novel technology to … Continue reading
Author(s): Akram Gawedar, R. Ramakumar ABSTRACT Libya is an oil exporting country located in the middle of the North Africa. Exporting oil is the major income resource for the economics of the country. Al-Zawea refinery is one of the oil … Continue reading
Author(s): Charles Dean, Milind N. Kunchur ABSTRACT Absence of macroscopic resistance is the most essential trait of superconductors for their practical applications. Yet several mechanisms lead to dissipation in the superconducting state such as weak links, fluctuations, and the motion … Continue reading
Author(s)： Gerhard Kramm, Gary Sellhorst , Hannah K. Ross, John Cooney, Ralph Dlugi, Nicole Mölders ABSTRACT In our paper we demonstrate that the filtration equation used by Gorban’ et al. for determining the maximum efficiency of plane propellers of about … Continue reading