SOE - Theses and Dissertations: Recent submissions

Now showing items 1-20 of 114

Numerical Investigation of the Use of Flexible Blade for Vertical Axis Wind Turbine

Hijazi, Ahmad (Lebanese American University, 2023-07-10)

This study proposes a novel vertical axis wind turbine (VAWT) design with flexible blades aiming to improve their energy extraction capability. The blade deformation is achieved using Ansys Fluent dynamic mesh and user-defined ...
Seismic Performance of Slender Concrete Shear Walls with and without Carbon Fiber Reinforced Polymers Laminates

Youssef, Joanna (Lebanese American University, 2023-01-24)

Shear walls are the main lateral-load-resisting system in reinforced concrete buildings. This study examines the seismic performance of slender, under-reinforced shear walls, and proposes retrofit guidelines to enhance the ...
Stability Retrofit of Concrete Shear Walls Using Carbon Fiber Reinforced Polymers

Al Sayegh, Houssam (Lebanese American University, 2023-01-24)

Shear walls are key structural elements when it comes to resisting lateral loads in reinforced concrete buildings. Thus, they are exposed to extensive loading during earthquakes. Shear walls designed according to modern ...
Comparative Environmental and Economic Assessment of the Zahle Wastewater Treatment Plant in Lebanon under Different Scenarios

Ghosn, Michelle Leba (Lebanese American University, 2022-09-27)

Assessing the environmental impacts of wastewater treatment plants (WWTPs) is a growing concern that needs to be addressed. Although several studies have been published on the environmental performance of WWTPs, few have ...
Finite Element Modelling and Optimization of Rotary Friction Welding Parameters of High-Density Polyethylene Pipes (HDPE)

Gerges, Zeina (Lebanese American University, 2022-12-16)

Rotary friction welding (RFW) is a highly efficient and sustainable process for joining both metals and plastics. The welding process parameters of RFW must be carefully selected to ensure a good quality weld with minimum ...
3D Printing of IPMC Actuators Based on the Direct Assembly Method

Sarkis, Serge (Lebanese American University, 2022-12-15)

Ionic polymer metal composites are a type of electroactive polymers, they are composed of an ionomer membrane sandwiched between two conducting high surface area electrodes. They act as an actuator under the application ...
A Robust Deep Learning Approach for Distribution System State Estimation with Distributed Generation

Kfouri, Ronald (Lebanese American University, 2023-01-09)

Distribution System State Estimation (DSSE) remains a challenging problem due to the nature of distribution grids. Conventional methods, which are used to solve state estimation on the transmission level, require the grid ...
Batch Anaerobic Co-digestion of Agro-industrial Wastewater Produced in the Upper Litani Basin Lebanon

Hashem, Reem (2022-12-20)

The Litani River in Lebanon is subjected to many pollution sources originating from the agro-industries including dairy farms and slaughterhouses. This pollution is leading to a severe degradation in water quality. The aim ...
Investigating the Fate of Tetracycline in an Anaerobic Membrane Bioreactor and Its Effects on Antibiotic Resistance Gene Proliferation from Different Membrane Types

Zeeb, Reem (Lebanese American University, 2022-12-20)

As the concern of fresh and clean water scarcity is raised worldwide, the necessity of water reuse stands out. In this sense, the AnMBR, an advanced wastewater treatment technology combining the advantages of the MBR and ...
Enhancement of The Start-up of an Up-flow Anaerobic Sludge Blanket Reactor Using Electrochemically Enriched Biofilms

Abdallah, Mohamad (Lebanese American University, 2022-12-20)

With rising issue of wastewater discharge and resulting pollution, anaerobic wastewater treatment has emerged as a prominent technology to overcome these issues. A myriad of anaerobic treatment techniques has demonstrated ...
A Dual Vibration Absorber for Vibration Suppression of Harmonically Forced Systems

El Khoury, Elie (Lebanese American University, 2022-07-19)

In this work, a dual absorber setup is proposed for the reduction of the harmonic response of single degree of freedom systems. The main system is a mass spring damper excited with a harmonic force. This dual absorber ...
Assessing intracellular and extracellular antibiotic resistance gene proliferation during the treatment of municipal wastewater by an anaerobic membrane bioreactor

ElKhoury, Charbel (Lebanese American University, 2022-07-05)

As water scarcity is emerging as a great threat nowadays, water reuse is a critical component of the solution. Among many tested wastewater treatment technologies, anaerobic membrane bioreactors (AnMBRs) have proven their ...
An Evaluation of Short-Term Effects of Different Soil Management Systems on Soil Physical, Structural and Hydraulic Properties and an Estimation and Optimization of Water Infiltration for Layered Domains Using a Restructured Green-Ampt Model in an Agricultural Terrain, Lebanon

Merheb, Caroline (Lebanese American University, 2022-07-15)

Soil management systems are widely used in agricultural systems due to their diverse functionality in enhancing water infiltration, soil aggregate stability, and ultimately crop yield. In this regard, each system provokes ...
“Performance Enhancement of a Vertical Axis Wind Turbine using a Slotted Deflective Flap at the Trailing Edge”

Attie, Carla (Lebanese American University, 2022-07-20)

Vertical axis wind turbines (VAWTs) exhibit dynamic stall under operational conditions which causes boundary layer separation from the surface of the blade. This hinders the turbine’s overall performance in which the turbine ...
Analyzing Drivers’ Passing Decision on Two-Lane Two-Way Highways

Sabek, Bahaa (Lebanese American University, 2022-07-25)

Passing maneuvers on rural two-lane highways have significant implications on safety, highway performance, and traffic operations. This research seeks to better understand drivers’ passing behavior by examining the interplay ...
Factors Affecting Change Orders in High-End Private Residential Projects in Lebanon

Hammour, Hiba (Lebanese American University, 2022-08-23)

The thesis addresses the high end private residential projects in Lebanon, and discusses the reasons for projects’ change orders. This research aims to determine the reasons for change orders, the party responsible for ...
Microbial and operational factors affecting energy recovery potential for anaerobic membrane bioreactors treating different wastewater types

Ramadan, Lama (Lebanese American University, 2022-07-25)

Water scarcity has become a worldwide issue that is exacerbated in developing countries due to excessive pollution of water resources. In order to allow for sustainable practices that are capable of facilitating wastewater ...
Effect of Implementing Sustainable Management Practices on Construction Claims Mitigation

Thabet, Zeina (Lebanese American University, 2022-07-14)

The fragmented management of traditional construction projects, which mainly lacks the integration of project processes, often results in schedule delays and cost overruns leading to client dissatisfaction, quality defects, ...
Estimates of ground motion parameters of historical earthquakes in Lebanon based on the dynamic response of ancient free‐standing columns using numerical and theoretical modeling

AlHassan, Tamima (Lebanese American University, 2022-07-08)

Lebanon has been devastated by large earthquakes over the last ten centuries, the last two major earthquakes hit Lebanon in 1202 and 1759. These earthquakes occurred in the pre‐instrumental era, where no seismic data was ...
Safe mobility

El Mendelek, Maria (Lebanese American University, 2022-07-15)

Transportation safety continues to be an important issue that we face daily as it results in enormous losses to human life and to the economy. This research targets safe mobility at intersections in an urban setting by ...

Now showing items 1-20 of 114

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