Browsing by Subject "CFD"
Now showing items 1-19 of 19
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A CFD Investigation on the Effect of IPSBR Operational Conditions on Liquid Phase Hydrodynamics
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference Paper)This study used a computational fluid dynamics simulation of an inert-particle spouted-bed reactor, which consists of a cylindrical vessel with a conical base, to investigate the effect of different operational parameters ... -
A validated design methodology for a closed-loop subsonic wind tunnel
( Elsevier Ltd , 2014 , Article)A systematic investigation into the design and simulation of flow parameters in a closed-loop wind tunnel was carried out using Computational Fluid Dynamics (CFD). The analytical model for estimating pressure losses were ... -
Air expulsion analysis of an industrial air valve using CFD
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference Paper)CFD (Computational Fluid Dynamic) analysis is a modern technique to estimate and determine fluid characteristics. CFD uses the Navier-Stokes equation to solve complex fluid behavior along with turbulence models such as k- ... -
Areadynamic analysis of GMC sierra pickup truck
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference Paper)Computational Fluid Dynamics (CFD) was used to simulate the flow field over a GMC sierra pickup truck double cab (manufactured year of 2005). This simulation model was compared to a previous simulation and experimental ... -
Assessment of thermal comfort indices in an open air-conditioned stadium in hot and arid environment
( Elsevier , 2021 , Article)Thermal comfort indices are vital tools when assessing outdoor thermal comfort in hot and arid environments. Selecting a representative thermal comfort index for outdoor environments is challenging. This paper presents a ... -
Assessment Of Turbulence Models For Hydrofracturing Slurry Transport Simulation In Horizontal Perforated Pipe
(2020 , Master Thesis)Hydraulic fracture is a well stimulation process that involves injecting pressurized liquid at high velocity to initiate and propagate a fracture in the deep rock formations through which hydrocarbons are extracted ... -
Challenging Hydraulic Aspects of MPSO Project, Qatar's Showcase for Storm Water Outfall
( Qatar University Press , 2023 , Conference Paper)The purpose of the Musaimeer Pump Station and Outfall (MPSO) project is to receive storm water runoff and groundwater flows from the Abu Hamour Tunnel and to provide a pumping station, a 10 km marine outfall tunnel and a ... -
Comparison of 1D and 3D heat and mass transfer models of a counter flow dew point evaporative cooling system: Numerical and experimental studyÉtude comparative numérique et expérimentale de modèles de transfert de chaleur et de masse 1D et 3D d’un système de refroidissement évaporatif à point de rosée à contre-courant
( Elsevier Ltd , 2019 , Article)In this study, the performance of a counter flow dew point evaporative cooling system has been examined, numerically and experimentally. A one-dimensional (1D) model of the heat and mass transfer in the cooling system is ... -
A comprehensive optimization study of personal cooling radiant desks integrated to HVAC system for energy efficiency and thermal comfort in office buildings
( Elsevier , 2023 , Article)Personal comfort systems (PCS) maintain the occupant's preferred thermal environment and expand his thermal comfort experience under varying environmental conditions. Among PCSs, radiant-based systems are popular due to ... -
Dataset for transient 3D simulations of turbulent premixed flames of Gas-to-Liquid (GTL) fuel
( Elsevier , 2021 , Other)A fan-stirred combustion vessel is used to study the premixed turbulent combustion of diesel, Gas to Liquids (GTL) and 50/50 diesel-GTL and to generate these datasets. A numerical simulation approach is implemented for ... -
Investigation of potential rupture locations for abdominal aortic aneurysms with patient-specific computational fluid dynamic analysis approach
( Qatar University Press , 2021 , Poster)Background: About 18 million people die each year from cardiovascular disorders, accounting for 31% of all deaths worldwide. Abdominal Aortic Aneurysm (AAA) is a serious clinical condition manifested as dilation of the ... -
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 ... -
Modelling of cooling radiant cubicle for an office room to test cooling performance, thermal comfort and energy savings in hot climates
( Elsevier , 2022 , Article)The building industry challenges have led researchers to develop a personalized conditioning system aiming to create a microclimate comfort zone around the occupant. Radiant cooling become prevalent due to their potential ... -
Numerical and experimental investigation of utilizing the porous media model for windbreaks CFD simulation
( Elsevier , 2021 , Article)Windbreaks such as vegetation barriers, fences, and buildings' perforated facades are used in various environmental and wind mitigation applications. Numerical simulation of the airflow through windbreaks is challenging ... -
Numerical study on the damping characteristics of a shock absorber valve utilizing different velocities through CFD analysis
( National Technical University of Athens , 2021 , Conference Paper)Shock absorbers or hydraulic dampers are power dissipating devices. The fluid flow inside the damper is governed by predefined passages. The damping effect is accomplished by the resistance of oil to flow through the ... -
Patient Specific Transcatheter Aortic Valve Replacement Therapy Pathway with Computational Fluid Structure Interaction Analysis
( Qatar University Press , 2021 , Poster)Total cardiovascular disease (CVD) prevalence has risen dramatically from 271 million in 1990 to 523 million in 2019, and CVD fatalities rose gradually from 12.1 million in 1990 to 18.6 million in 2019. According to American ... -
Second law analysis of compressible flow through a diffuser subjected to constant heat flux at wall
( Elsevier Ltd , 2010 , Article)Entropy generation is equivalent to destruction of available work (exergy). The useful energy is destroyed due to the intrinsic irreversibility associated within thermodynamic systems. Exergy analysis can be used as an ... -
Second law analysis of compressible flow through a diffuser subjected to constant wall temperature
( Inderscience , 2010 , Article)This study presents the investigation of entropy generation in compressible turbulent flow of air through a diffuser. Constant temperature boundary condition is applied at the wall. Two-dimensional solution of velocity and ... -
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 ...