Ghizzawi, Farouk(Lebanese American University, 2021-03-21)
With the growing demand for electrical DC storage and sources, DC-AC conversion has become an indispensable component for not only high and medium, but also low-power applications. In this thesis, we introduce an efficient ...
Al Ghareeb, Farhan(Lebanese American University, 2020-06-18)
In conjunction to the extensive research conducted in outdoor positioning and navigation systems, indoor localization and navigation techniques have been gaining interest and attention with various technologies proposed ...
Kaafarani, Rouba(Lebanese American University, 2020-08-18)
Human activities are continuously altering the geometry and steepness of natural slopes. When left exposed and unprotected, these slopes become susceptible to slide due to natural triggering factors like earthquakes and ...
Chahine, Ricardo(Lebanese American University, 2020-10-15)
Intersections are critical points within the highway system at which the risk of crashes increases. This study seeks to better understand the behavior of the Lebanese driver at an intersection by examining the relationship ...
Maalouly, Michael(Lebanese American University, 2020-12-01)
Two-phase boiling flows are used in a wide range of engineering applications. One of the most common applications is cooling systems. A refrigerant is injected into a closed-loop under saturation conditions extracting the ...
Nassar, Dina(Lebanese American University, 2020-12-21)
Wastewater treatment is an essential life process that enhances water quality as population and urbanization are increasing proportionally. The increase in population alongside the increase of wastewater treatment plants’ ...
Salame, Charlie(Lebanese American University, 2020-12-14)
The modern manufacturing industry needs to meet the growing demands of aerospace production, while adhering to increasingly strict environmental and sustainability constraints. Cryogenic machining is steadily gaining ...
Moufarrej, Angela Sleiman(Lebanese American University, 2020-12-20)
In a time when data is experiencing a remarkable growth in different fields, extracting and understanding the correlations between different data features is becoming increasingly important in many application areas, ranging ...
Previous Scale-Resolving Simulation studies of flow over urban-like obstacles uses Large Eddy Simulation and course grids to reduce computational cost. However, the coarser the mesh the more reliance on the subgrid scale ...
Issa, Johnny; Saliba, Najib; El Cheikh, Amina(Institute of Electrical and Electronics Engineers, 2021-11-02)
Heat transfer and fluid flow in a channel with an array of pin fins is numerically investigated using a finite volume approach. Rectangular pin fins with circular cross sections are used in this investigation. The working ...
El Cheikh, Amne; Jacobi, Anthony M.(Purdue University, 2021-11-02)
Frosting occurs on heat exchangers in heat pumping and refrigeration applications when the surface temperature of the heat exchanger is below the freezing point of water. The accumulation of frost on the heat transfer ...
ElCheikh, A.; Elkhoury, M.; Kiwata, T.; Kono, T.(2021-07-13)
Orthopter-type Vertical Axis Wind Turbines (O-VAWT) are energy capturing devices which are suitable for micro-generation in urban areas. This paper aims to study the effect of number of blades (solidity), Aspect Ratio (AR), ...
Numerical simulations are crucial for fast and accurate estimations of the flow characteristics in many engineering applications such as atmospheric boundary layers around buildings, external aerodynamics around vehicles, ...
Antar, Elie; El Cheikh, Amne; Elkhoury, Michel(2021-07-13)
This work presents an optimized design of a dynamic rotor vertical-axis wind turbine (DR VAWT) which maximizes the operational tip-speed ratio (TSR) range and the average power coefficient (Cp) value while maintaining a ...
Many factors including air temperature, humidity, and surface temperature are known to affect frost growth on heat transfer surfaces. In the present study, a new model for frost growth and densification on flat surfaces ...
Rising fuel prices over the past years have triggered an increase in the worldwide demand for hybrid electric vehicles (HEV). Moreover, new environment and CO2 emission regulations notably in Europe and Japan have pushed ...
In this paper, we propose a novel relay selection strategy for half-duplex decode-and-forward cooperative networks with an arbitrary number of buffer-aided (BA) relays. Unlike most of the existing predetermined relaying ...
Mansour, Charbel(École nationale supérieure des mines (Paris), 2021-02-26)
L'objectif de cette thèse est d'évaluer le potentiel d'amélioration de l'économie de carburant des véhicules, par l'hybridation thermique/électrique du groupe motopropulseur (GMP). Plusieurs configurations sont d'abord ...
The energy management strategy is one of the key technologies for the design and development of hybrid electric vehicles (HEVs). In order to investigate the maximum potentials of various powertrain architectures and ...
Battery electric buses (BEB) are being recognized as a promising solution to replace diesel bus fleets. However, this technology is still subject to many challenges, namely the limited driving range and high total cost of ...