College of Engineering: Recent submissions
Now showing items 1-20 of 7600
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Effect of individually controlled personalized ventilation on cross-contamination due to respiratory activities
( Elsevier , 2021 , Article)While personalized ventilation (PV) has been integrated to enhance inhaled air quality, some studies showed that it can contribute to contaminants' transport indoors. This work investigates the effect of the individual ... -
Single-Phase Step-Up Switched-Capacitor-Based Multilevel Inverter Topology with SHEPWM
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)Multilevel inverter (MLI) topologies play a crucial role in the dc-ac power conversion due to their high-quality performance and efficiency. This article aims to propose a new switched-capacitor-based boost multilevel ... -
Numerical evaluation of the thermal performance of a near-surface earth-to-air heat exchanger with short-grass ground cover: A parametric study
( Elsevier , 2021 , Article)High energy consumption and increasing energy cost have encouraged investment in energy efficiency. In hot areas, like the Middle East, the share of space cooling accounts for most of the total energy use in buildings. ... -
Vulnerabilities and countermeasures in electrical substations
( Elsevier , 2021 , Article)The impending and continued threat of cyberattacks on modern utility grids has called for action from the different stakeholders of the electricity sector. This calls for a thorough investigation and review of the weaknesses ... -
Analysis and optimization of concentrated solar power plant for application in arid climate
( John Wiley and Sons Ltd , 2021 , Article)In this research study, the concentrated solar power (CSP) technology is reviewed for designing and optimizing a CSP tower plant for arid climate regions such as Qatar. A database for all CSP projects around the world is ... -
A review on microwave-assisted synthesis of adsorbents and its application in the removal of water pollutants
( Elsevier , 2021 , Article)The use of conventional heating techniques in adsorbents preparation involves long synthesis time, high energy consumption, high cost and material fast firing. Recently, Microwave heating technique has been used to replace ... -
Geosynthetic-reinforced soils above voids: Observation and prediction of soil arching
( Elsevier , 2021 , Article)The assumption with the biggest impact on the design of geosynthetic-reinforced soils above voids is the presence and degree of soil arching, which affects the predicted applied stress on the geosynthetic. A series of ... -
In-plane stress analysis of multiple parallel cracks in an orthotropic FGM medium under time-harmonic loading
( Elsevier , 2021 , Article)This study aimed to investigate the fracture behavior of a cracked orthotropic FGM medium when exposed to an in-plane harmonic load. The mechanical feature of the medium exponentially varied along the y-axis. Using the ... -
A new cascaded asymmetrical multilevel inverter based on switched dc voltage sources
( Elsevier , 2021 , Article)Multilevel inverters are now becoming an important element for medium-voltage high-power applications. A low switch count multilevel inverters are currently attracting more attention due to its high efficiency, low cost, ... -
A Review of Usability Evaluation Techniques for Augmented Reality Systems in Education
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference Paper)Augmented Reality (AR) converts a gigantic amount of data and analytics into images and/or animations that are overlaid into the real scene. The emerging technology of AR has been investigated for more than forty years, ... -
Adaptive de Algorithm for Novel Energy Control Framework Based on Edge Computing in IIoT Applications
( IEEE Computer Society , 2021 , Article)With the development of the industrial Internet of Things and the advancements in wireless sensor networking technologies, the smart grid based on edge computing now is regarded as being essential for real-time monitoring ... -
Optimal Transport for UAV D2D Distributed Learning: Example using Federated Learning
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference Paper)Federated Learning (FL) is a novel distributed learning paradigm in which local learning models are simultaneously trained using the stored data on multiple devices, then ultimately aggregated into a global model. A promising ... -
Pure random orthogonal search (PROS): A plain and elegant parameterless algorithm for global optimization
( MDPI AG , 2021 , Article)A new, fast, elegant, and simple stochastic optimization search method is proposed, which exhibits surprisingly good performance and robustness considering its simplicity. We name the algorithm pure random orthogonal search ... -
The effect of sizing optimization on the interface between high strength steel and fiber reinforced composite
( Elsevier , 2021 , Article)This paper aims to examine fiber type and fiber orientation’s effects on the interface bonding between steel and fiber-reinforced composites. To this end, fracture loads for modes I and II were experimentally determined. ... -
Economical study by determining the optimum thickness of insulation of some heaters utilized in Qatar refinery
( International Information and Engineering Technology Association , 2008 , Article)Some furnaces and heaters utilized in the industry in Qatar (such as Qatar Refinery) are analyzed economically by the determination of the optimum thickness of insulation for each of these equipments. Different common ... -
Heat transfer analysis of regenerative thermo-mechanical refrigeration system
( American Society of Mechanical Engineers (ASME) , 2020 , Conference Paper)Refrigeration systems contribute to the critical environmental concerns including global warming and ozone depletion. It is necessary to develop new systems that use renewable energy resources and waste heat to perform the ... -
Corrigendum to “Optimal utilization of geothermal heat from abandoned oil wells for power generation”. [Appl. Thermal Eng. 153 (2019) 536–542]
( Elsevier , 2020 , Other)The authors regret that the below acknowledgement was missing in the submission. The authors would like to apologise for any inconvenience caused. -
EXPERIMENTAL INVESTIGATION AND HEAT TRANSFER ANALYSIS OF INNOVATIVE THERMAL MECHANICAL REFRIGERATION SYSTEM COMPARED TO ELECTRIC COMPRESSOR
( American Society of Mechanical Engineers (ASME) , 2022 , Conference Paper)The current electric refrigeration and air condition systems are major causes for ozone depletion and global warming. These systems consume large percent of the worldwide gross production of electricity (around 17%). ... -
A novel technique for extraction of geothermal energy from abandoned oil wells
(2012 , Conference Paper)This paper investigates the possibility of design and construction of a geothermal heat exchanger suitable for installation in abandoned oil wells. Based on the in-situ data collected, an amenable heat transfer numerical ... -
Geothermal energy extraction from decommissioned petroleum wells
( International Society for Rock Mechanics , 2014 , Conference Paper)Abandoned wells impose enduring liabilities to petroleum companies and/or governments. However, the depth and abundance of abandoned petroleum wells make them an economically attractive source of geothermal energy. Geothermal ...