• Nano-based drilling fluids 

  Vryzas, Zisis; Kelessidis, Vassilios C. (2023-02-01)

  Nanomaterials are engineered materials with at least one dimension in the range of 1–100 nm. Nanofluids—nanoscale colloidal suspensions containing various nanomaterials—have distinctive properties and offer unprecedented ...
• Effect of temperature on the rheological properties of neat aqueous Wyoming sodium bentonite dispersions 

  Vryzas, Zisis; Kelessidis, Vassilios C.; Nalbantian, Lori; Zaspalis, Vassilis; Gerogiorgis, Dimitrios I.; Wubulikasimu, Yiming (2023-02-01)

  Temperature affects significantly the rheological behavior of neat water Wyoming Na-bentonite dispersions. The results of a very systematic study are presented regarding rheological measurements of 7% mass concentration ...
• Development and Testing of Novel Drilling Fluids Using Fe2O3 and SiO2 Nanoparticles for Enhanced Drilling Operations 

  Vryzas, Zisis; Mahmoud, Omar; Nasr-El-Din, Hisham A.; Kelessidis, Vassilios C. (International Petroleum Technology Conference, 2023-01-27)

  Access to deeper oil and gas reservoirs in hostile environments necessitates improvement of existing drilling fluids. This work focuses on the lab techniques for developing, assessing and analyzing innovative water-based ...
• Kinetics and adsorption of metolachlor and atrazineand the conversion products (deethylatrazine,deisopropylatrazine, hydroxyatrazine) in the soilprofile of a river basin 

  Vryzas, Z.; Papadopoulou-Mourkidou, E.; Soulios, G.; Prodromou, K. (2023-01-27)

  The adsorption kinetics and adsorption parameters of metolachlor, atrazine, deethylatrazine (DEA), deisopropylatrazine (DIA) and hydroxyatrazine (HA) were investigated in a soil profile in a maize field formed from recent ...
• Determination of alachlor, metolachlor, and their acidic metabolites in soils by microwave-assisted extraction (MAE) combined with solid phase extraction (SPE) coupled with GC-MS and HPLC-UV analysis 

  Vryzas, Zisis; Tsaboula, Ageliki; Papadopoulou-Mourkidou, Euphemia (2023-01-25)

  A well-validated analytical method based on microwave-assisted extraction (MAE) and SPE is presented for the combined analysis of alachlor, alachlor–oxanilic acid (OXA), alachlor–ethanesulfonic acid (ESA), metolachlor, ...
• Risk Assessment of Phthalates and Their Metabolites in Hospitalized Patients: A Focus on Di- and Mono-(2-ethylhexyl) Phthalates Exposure from Intravenous Plastic Bags 

  Saab, Yolande; Oueis, Emilia; Mehanna, Stephanie; Nakad, Zahi; Stephan, Rita; Khnayzer, Rony S. (2023-01-18)

  Phthalate esters (PAEs) are plasticizers associated with multiple toxicities; however, no strict regulations have been implemented to restrict their use in medical applications in Lebanon. Our study aimed at assessing the ...
• Joint computing, communication and cost-aware task offloading in D2D-enabled Het-MEC 

  Abbas, Nadine; Sharafeddine, Sanaa; Mourad, Azzam; Abou-Rjeily, Chadi; Fawaz, Wissam (2022-11-18)

  Due to the exploding traffic demands and the diversity of novel applications requiring extensive computation and radio resources, research has been active to devise mechanisms for responding to these challenges. Mobile ...
• SVM-based task admission control and computation offloading using lyapunov optimization in heterogeneous MEC network 

  Abbas, Nadine; Fawaz, Wissam; Sharafeddine, Sanaa; Mourad, Azzam; Abou-Rjeily, Chadi (2022-11-17)

  Integrating device-to-device (D2D) cooperation with mobile edge computing (MEC) for computation offloading has proven to be an effective method for extending the system capabilities of low-end devices to run complex ...
• 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 ...
• Design and Analysis of Buffer-Aided Cooperative Networks using Deterministic and Reinforcement Learning Techniques 

  El Zahr, Sawsan (Lebanese American University, 2022-04-29)

  Applications enabled by 5G technology resulted in an unforeseen increase in data traffic and data flows from any source to a destination are experiencing increased outages, delays, and drop-outs. Cooperative communication ...
• Multiple Site-Specific Analyses of the Stability of Quarried Slopes in Lebanon Based on Unmanned Aerial Vehicle Photogrammetry 

  Solh, Saad Allah (Lebanese American University, 2022-05-10)

  Landslide hazards associated with the quarrying sector in Lebanon are a source of public concern due to the adverse environmental and social impacts imposed by illegal quarrying activities. Such activities have been leading ...

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