Browsing College of Engineering by Publisher "Elsevier Ltd"
Now showing items 1-20 of 569
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3D characterization of sand particle-to-particle contact and morphology
( Elsevier Ltd , 2016 , Article)Particle morphology, orientation, and contact configuration play a significant role in the engineering properties of granular materials. Accurate three-dimensional (3D) characterization of these parameters for experiments ... -
3D Quantum Cuts for automatic segmentation of porous media in tomography images
( Elsevier Ltd , 2022 , Article)Binary segmentation of volumetric images of porous media is a crucial step towards gaining a deeper understanding of the factors governing biogeochemical processes at minute scales. Contemporary work primarily revolves ... -
A better understanding of seawater reverse osmosis brine: Characterizations, uses, and energy requirements
( Elsevier Ltd , 2021 , Article)Before investing in any optimizing technology for the recovery and reuse of brine resources, it is of importance to study the full physicochemical characteristics of the brine. In the current study, the physicochemical ... -
A bidirectional non-isolated hybrid modular DC-DC converter with zero-voltage switching
( Elsevier Ltd , 2019 , Article)In this paper, a bidirectional non-isolated hybrid modular DC-DC converter for high-voltage (HV) applications is investigated. In this configuration, conventional Half-Bridge Sub-Modules (HB-SMs) are employed. The proposed ... -
A clustering-based repair shop design for repairable spare part supply systems
( Elsevier Ltd , 2018 , Article)In this study, we address the design problem of a single repair shop in a repairable multi-item spare part supply system. We propose a sequential solution heuristic to solve the joint problem of resource pooling, inventory ... -
A comparative analysis to forecast carbon dioxide emissions
( Elsevier Ltd , 2022 , Article)Despite the growing knowledge and commitment to climate change, carbon dioxide (CO2) emissions continue to rise dramatically throughout the planet. In recent years, the consequences of climate change have become more ... -
A comparative thermodynamic analysis of samarium and erbium oxide based solar thermochemical water splitting cycles
( Elsevier Ltd , 2017 , Article)This paper reports a thermodynamic comparison between the samarium and erbium oxide based solar thermochemical water splitting cycles. These cycles are a two-step process in which the metal oxide is first thermally reduced ... -
A comparison of ground vibration due to ballasted and slab tracks
( Elsevier Ltd , 2019 , Article)With the development of non-ballasted track forms (often referred to as slab tracks) over the few last decades, it is important to understand their behaviour with respect to ground-borne vibration compared with the traditional ... -
A component map tuning method for performance prediction and diagnostics of gas turbine compressors
( Elsevier Ltd , 2014 , Article)In this paper, a novel compressor map tuning method is developed with the primary objective of improving the accuracy and fidelity of gas turbine engine models for performance prediction and diagnostics. A new compressor ... -
A comprehensive review on MXenes as new nanomaterials for degradation of hazardous pollutants: Deployment as heterogeneous sonocatalysis
( Elsevier Ltd , 2022 , Article)MXene-based nanomaterials (MBNs) are two-dimensional materials that exhibit a series of sought after properties, including rich surface chemistry, adjustable bandgap structures, high electrical conductivity, hydrophobicity, ... -
A critical review and performance comparisons of swarm-based optimization algorithms in maximum power point tracking of photovoltaic systems under partial shading conditions
( Elsevier Ltd , 2022 , Article Review)This article presents a comparative analysis of the latest swarm-based optimization approaches under partial shading conditions (PSCs) for maximum power point tracking (MPPT) in photovoltaic (PV) systems. The swarm-based ... -
A decade of ceria based solar thermochemical H2O/CO2 splitting cycle
( Elsevier Ltd , 2019 , Article)Since 2006, ceria is used as a redox reactive material for production of H2, CO, and syngas via a two-step solar driven thermochemical H2O/CO2 splitting cycle. Different forms of phase pure ceria were studied over a wide ... -
A differential protection technique for multi-terminal HVDC
( Elsevier Ltd , 2016 , Article)This paper presents a technique for differential protection of Multi-terminal High Voltage Direct Current (MTHVDC) transmission lines. The proposed technique depends on the electrical current data at both ends of each line ... -
A dynamic prognosis scheme for flexible operation of gas turbines
( Elsevier Ltd , 2016 , Article)The increase in energy demand has led to expansion of renewable energy sources and their integration into a more diverse energy mix. Consequently the operation of thermal power plants, which are spearheaded by the gas ... -
A framework for improving sustainable mobility in higher education campuses: The case study of Qatar University
( Elsevier Ltd , 2018 , Article)Nowadays, sustainable mobility is a main challenge addressed by policy-makers, public managers and scholars worldwide. This research presents a set of guidelines and solutions to support the design of a more sustainable ... -
A generalized approach for design of contingency versatile DC voltage droop control in multi-terminal HVDC networks
( Elsevier Ltd , 2021 , Article)The non-deterministic nature of power fluctuations in renewable energy sources impose challenges to the design of DC voltage-droop controller in Multi-Terminal High-Voltage DC (MTDC) systems. Fixed droop control does not ... -
A global systematic review of the concentrations of Malathion in water matrices: Meta-analysis, and probabilistic risk assessment
( Elsevier Ltd , 2022 , Article)Pesticide applications and the proximity of land use to water matrices have resulted in discharges of pollutants including Malathion ?one of the most widely used organophosphorus pesticides? to water resources such as ... -
A HVDC shunt tap based on unidirectional hybrid modular DC-DC converter with simultaneous charging and sequential discharging of capacitors
( Elsevier Ltd , 2018 , Article)In this paper, a new HVDC shunt tap is proposed. The proposed configuration consists of a unidirectional hybrid modular DC-DC converter followed by a voltage source converter for DC-AC conversion to feed a local AC network ... -
A hybrid forward osmosis/reverse osmosis process for the supply of fertilizing solution from treated wastewater
( Elsevier Ltd , 2019 , Article)This work investigates the application of a hybrid system that combines forward osmosis (FO) and reverse osmosis (RO) processes for the supply of a fertilizing solution that could be used directly for irrigation purposes. ... -
A hybrid optimization-simulation approach for robust weekly aircraft routing and retiming
( Elsevier Ltd , 2017 , Article)We address the robust weekly aircraft routing and retiming problem, which requires determining weekly schedules for a heterogeneous fleet that maximizes the aircraft on-time performance, minimizes the total delay, and ...