College of Engineering: المرسلات الحديثة
السجلات المعروضة 1 -- 20 من 7859
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Identifying the relationship between intention to use flat-rate public transport and trip frequency by a discrete-continuous model
( Springer Nature , 2023 , Article)Public transport fare is a central feature of transit operations and is a key indicator to reflect transport demand. Yet, relatively little is known about how fare influences on ridership dynamics, including for which types ... -
Green solvent-based extraction of chlorophyll a from Nannochloropsis sp. Using 2,3-butanediol
( Elsevier B.V. , 2021 , Article)Chlorophyll acts as a beneficial antioxidant for the human body; however, only a few studies have reported the chlorophyll extraction using the non-toxic solvents. In this study, we used a green solvent, 2,3-butanediol ... -
Exploring driver behaviors during tailgating situations: a driving simulator study
( Elsevier , 2023 , Conference Paper)The characteristics of drivers vary from one individual to another and one culture to another, leading to distinct driving behaviors exhibited by different drivers. This study aims to explore drivers’ car-following behaviors ... -
Safety assessment of on-road cycling lanes: A comparative study of different layouts using driving simulator
( Elsevier , 2024 , Article)Over the past few decades, a growing attention has been directed toward cycling due to its positive impacts on social, economic, and health aspects. Various countries are adopting and implementing strategies to promote ... -
Lipid production under a nutrient-sufficient condition outperforms starvation conditions due to a natural polarization of lipid content in algal biofilm
( Elsevier Ltd , 2023 , Article)Attached algae cultivation for biofuel production has received proliferated attention given its advantage to reduce harvesting/dewatering costs and contamination risk. In this study, the effects of various nutrient starvation ... -
Experimental analysis of water evaporation losses in cooling towers using filters
( Elsevier , 2020 , Article)Water evaporation losses in cooling towers account for considerable amount of fresh water consumption, which calls for proven and economically viable technologies to address this problem. The use of filters mounted on to ... -
Application of Machine Learning Classification Algorithms for Two-Phase Gas-Liquid Flow Regime Identification
( Society of Petroleum Engineers , 2021 , Conference Paper)This research aims to identify the best machine learning (ML) classification techniques for classifying the flow regimes in vertical gas-liquid two-phase flow. Two-phase flow regime identification is crucial for many ... -
Development of a Mechanistic and Data-Driven Model for Multiphase Flow Leak Detection in Pipeline
( International Petroleum Technology Conference (IPTC) , 2024 , Conference Paper)Prompt and reliable detection of pipeline leaks is vital for human safety, the economy, the environment, and corporate reputation. However, a simple mechanistic model for accurately predicting leak characteristics in ... -
Horizontal Two-Phase Flow Regime Identification with Machine Learning Classification Models
( International Petroleum Technology Conference (IPTC) , 2022 , Conference Paper)This paper presents a follow-up study to Manikonda et al. (2021), which identified the best machine learning (ML) models for classifying the flow regimes in vertical gas-liquid two-phase flow. This paper replicates their ... -
Enhancing Safety in Geological Carbon Sequestration: Supervised Machine Learning for Early Detection and Mitigation of CO2 Leakage in Injection Wells
( International Petroleum Technology Conference (IPTC) , 2024 , Conference Paper)The efficient and safe operation of CO2 injection wells during geological sequestration is crucial for successful carbon capture and storage (CCS) projects. This study explores the application of machine learning in creating ... -
Experimental Investigation of Early Leak Detection in Offshore Multiphase Flow Pipelines Using Non-Invasive Electrical Resistance Tomography
( Society of Petroleum Engineers , 2024 , Conference Paper)Prompt and reliable detection of pipeline leaks is vital for human safety, the economy, the environment, and corporate reputation. The objective of the current analysis is to investigate the effectiveness of noninvasive ... -
Combined heat and power system based on Solid Oxide Fuel Cells for low energy commercial buildings in Qatar
( Elsevier , 2021 , Article)Commercial buildings in Qatar account for 19% of the total energy consumption in the country. To reduce this significant amount of energy, a Solid Oxide Fuel Cell Combined Heat and Power (SOFC CHP) system with natural gas ... -
Turbulence modeling using Z-F, RSM, LES and WMLES for flow analysis in Z-Shape ducts
( American Society of Mechanical Engineers (ASME) , 2020 , Conference Paper)Turbulent flow in Z-shape duct configuration is investigated and analyzed using Reynolds Stress Model (RSM), Large Eddy Simulation (LES), ζ-f Model, and Wall-Modeled Large Eddy Simulation (WMLES). The results are validated ... -
Harvesting water from air using adsorption material - Prototype and experimental results
( Elsevier , 2021 , Article)Drinking water resources have always been limited in the gulf region of the Middle East and other desert regions around the world. In attempt to provide viable supplement, a device that harvests clean drinking water from ... -
Large-eddy simulation of the flow in Z-Shape duct
( Cogent OA , 2020 , Article)A numerical study is conducted of the transient flow in a z-shape three-dimensional duct using large-eddy simulation (LES) with dynamic eddy viscosity subgrid-scale (SGS) model with a fully structured grid system. The ... -
Performance analysis of various machine learning algorithms for CO2 leak prediction and characterization in geo-sequestration injection wells
( Elsevier , 2024 , Article)The effective detection and prevention of CO2 leakage in active injection wells are paramount for safe carbon capture and storage (CCS) initiatives. This study assesses five fundamental machine learning algorithms, namely, ... -
Single and multiphase flow leak detection in onshore/offshore pipelines and subsurface sequestration sites: An overview
( Elsevier , 2024 , Article)Leaks may occur in existing pipelines, even when designed with quality construction and appropriate regulations. The economic impact of oil spills and natural gas dispersion from leaks can be huge. Failure to detect pipeline ... -
Thermoeconomic Analysis of a Solar-Assisted Industrial Process Heating System
( Wiley-Hindawi , 2024 , Article)Thermal energy in the industrial sector for process heating applications in the range of 50 to 250°C consumes about 35% of the global fossil fuel. Cascaded solar thermal systems are promising solutions to meet clean and ... -
Performance investigation of solar photovoltaic panels using mist nozzles cooling system
( Taylor and Francis Ltd. , 2024 , Article)Solar PV has a disadvantage over its many advantages that its electrical efficiency falls due to rise in surface/operating temperature of solar PV cells. Therefore, it is necessary to find a way to mitigate the efficiency ... -
Digital twin in energy industry: Proposed robust digital twin for power plant and other complex capital-intensive large engineering systems
( Elsevier , 2022 , Article Review)The complex future power plants require digital twin (DT) architecture to achieve high reliability, availability and maintainability at lower cost. The available research on DT for power plants is limited and lacks details ...