Flow-field analysis and performance assessment of rotating detonation engines under different number of discrete inlet nozzlesThis study explores in depth rotating detonation engines (RDEs) fueled by premixed stoichiometric hydrogen/air mixtures through two-dimensional numerical simulations including a detailed chemical kinetic mechanism. To model the spatial reactant...
Año de publicación: 2024
Numerical Assessment of a Partially Stirred Reactor-Based Combustion Model Using a High-Fidelity CFD ToolIn combustion systems such as those used in rotating detonation engines (RDE), turbulence chemistry interactions (TCI) play a key role. Accordingly, the main goal of this work is to assess...
Año de publicación: 2024
Numerical simulation of bluff body turbulent flows using hybrid RANS/LES turbulence modelsMany engineering applications involve turbulent flows around bluff bodies. Because of their intrinsically unsteady dynamics, bluff body characteristic flows feature unique turbulence-related phenomena, which makes their numerical modeling challenging. Accordingly,...
Año de publicación: 2023
Estimation of hydrogen production potential from renewable resources in northern PeruThis research evaluates the potential for green hydrogen production in the Piura region, northern Peru, utilising wind, solar and biomass energy sources as well as water electrolysis. The study assesses the electrical energy generated from...
Año de publicación: 2023
Numerical Study of Distorted Tulip Flame Propagation in Confined SystemsUnderstanding the dynamics of premixed flames that propagates in confined systems is important in a wide range of applications. The study of premixed flames propagating in a closed channel covers...
Año de publicación: 2023
Fluid Dynamic Simulations of Mach and Regular Reflections in Oblique Shock-Wave Configurations using Adaptive Mesh RefinementIn the context of the interaction between a moving plane shock wave and an inclined wall (wedge), it is possible to distinguish four distinct shock reflection configurations. These shock wave...
Año de publicación: 2023
Assessment of Large Eddy Simulation (LES) Sub-grid Scale Models Accounting for Compressible Homogeneous Isotropic TurbulenceMost sub-grid scale (SGS) models employed in LES (large eddy simulation) formulations were originally developed for incompressible, single phase, inert flows and assume transfer of energy based on the classical...
Año de publicación: 2023
Development of an evolutionary artificial neural network-based tool for selecting suitable enhanced oil recovery methodsEnhanced oil recovery (EOR) methods are proven oil recovery processes that allow mature oil fields rejuvenating and increasing their production to economically profitable quantities. The main issues associated with the...
Año de publicación: 2022
Mathematical modelling of coupled and decoupled water electrolysis systems based on existing theoretical and experimental studiesSince it has the potential to significantly reduce gaseous emissions in the near future, electrolytic hydrogen production using electricity generated from renewable energy sources, such as solar radiation, is key. Water splitting processes occurring in electrolyzer cells...
Año de publicación: 2022
Design optimization methodology of small horizontal axis wind turbine blades using a hybrid CFD/BEM/GA approachIn this work, a comprehensive methodology for wind turbine blade design optimization is proposed. Accordingly, a numerical model based on computational fluid dynamics (CFD) has been initially coupled to a...
Año de publicación: 2022