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Listar por palabra clave "CFD simulation"

Mostrando ítems 1-16 de 16

A computational study on the aerodynamic behavior of a experimental flat plate propeller

Ponce Soler, José Alberto (Universitat Politècnica de València, 2024-11-18)

[ES] En el presente trabajo se analiza el comportamiento aerodinámico de una hélice experimental de placa plana mediante simulación de dinámica de fluidos computacional (CFD), con el objetivo de comprender su eficiencia y ...
A numerical approach for predicting flow-induced acoustics at near-stall conditions in an automotive turbocharger compressor

Navarro García, Roberto (Universitat Politècnica de València, 2014-11-13)

Se realiza un modelo CFD-3D de un compresor centrífugo. Se determina la configuración numérica adecuada para simular puntos de funcionamiento cercanos a bombeo. Se validan los resultados frente a ensayos experimentales ...
Analysis of the influence of different real flow effects on computational fluid dynamics boundary conditions based on the method of characteristics

Galindo, José; Tiseira Izaguirre, Andrés Omar; Fajardo, Pablo; Navarro García, Roberto (Elsevier, 2013-04)

Nowadays, turbocharged internal combustion engines (ICEs) are very common in automotive powerplants, monopolizing the Diesel sector and having a steadily increasing percentage in the gasoline one. In this frame, the interest ...
Análisis CFD de la influencia de la voluta en el flujo de un compresor centrífugo

García Felis, Daniel (Universitat Politècnica de València, 2017-09-28)

[EN] The present final work has as a main objective the creation of a three dimensional volute¿s model, from a real model obtained by a three dimensional scanner. The objective is to create a model that can be edited easily ...
Computational aerodynamic characterization of an UAV during cruise and take-off conditions

Vandewalle, Tibo (Universitat Politècnica de València, 2024-11-18)

[EN] The study of unmanned aerial vehicles (UAVs) has gained significant attention due to their expanding applications in both civilian and military sectors. The aerodynamic performance of UAVs, especially during cruise ...
Computational fluid dynamics simulation of spray dryers: transient or steady state simulation?

Afshar, S.; Jubaer, H.; Chen, B.; Xiao, J.; Chen, X. D.; Woo, M. W. (Editorial Universitat Politècnica de València, 2018-09-07)

[EN] Self-sustained fluctuating airflow behaviour in spray drying chambers is in essence an unsteady phenomenon requiring the transient CFD simulation framework. There is currently, however, a mixture of steady state and ...
Coupling methodology of 1D finite difference and 3D finite volume CFD codes based on the Method of Characteristics

Galindo, José; Tiseira, Andrés Omar; Fajardo, Pablo; Navarro, R. (PERGAMON-ELSEVIER SCIENCE LTD, 2011)

[EN] This paper describes the methodology followed to perform a co-simulation between 1D (OpenWAM) and 3D (FLUENT) CFD codes. The Method of Characteristics (MoC) has been chosen to transfer the information between the two ...
Development of an Oxy-Fuel Combustion System in a Compression-Ignition Engine for Ultra-Low Emissions Powerplants Using CFD and Evolutionary Algorithms

Serrano, J.R.; Bracho Leon, Gabriela; Gómez-Soriano, Josep; Spohr-Fernandes, Cássio (MDPI AG, 2022-07)

[EN] This study uses an optimization approach for developing a combustion system in a compression-ignition engine that is able to operate under oxy-fuel conditions, and produces mainly CO2 and H2O as exhaust gases. This ...
Development of non-reflecting boundary condition for application in 3D computational fluid dynamics codes

Torregrosa, A. J.; Fajardo, Pablo; Gil Megías, Antonio; Navarro García, Roberto (Taylor & Francis Group, 2012-09)

[EN] Numerical computations are commonly used for better understanding the unsteady processes in internal combustion engine components and their acoustic behavior. The acoustic characterization of a system requires that ...
Experimental Measurements and CFD Results of Liquid Film Thickness in Vertical Downward Air-Water Annular Flow

Rivera-Durán, Yago; J. L. Muñoz-Cobo; A. Escrivá; C. Berna; Y. Córdova (WITPress, 2022-04-30)

[EN] Annular gas¿liquid flows have been extensively studied over the years. However, the nonlinear behavior of the interface is still currently the subject of study by multiple researchers worldwide. The appearance of a ...
Impacto de la configuración del motor sobre el sistema de ignición por pre-cámara pasiva en motores de encendido provocado operando con gas natural comprimido

García del Toro, José Joaquín (Universitat Politècnica de València, 2022-10-14)

[ES] La preocupación por la contribución de los motores de combustión interna usados en el sector del transporte al calentamiento global y a la contaminación del medio ambiente está promoviendo el desarrollo de configuraciones ...
Implementación y Verificación de las secciones eficaces del Serpent en PARCS utilizando FMFD Solver

Llobell Buigues, Juan (Universitat Politècnica de València, 2020-04-06)

[ES] Obtención de las secciones eficaces de un reactor PWR 16X16 mediante el código Montecarlo Serpent para 27 combinaciones de temperatura de moderador, combustible y refrigerante, utilizando el cluster MMP2 del superordenador ...
Implementation of P-Controller in Computational Fluid Dynamics (CFD) Simulation of a Pilot Scale Outlet Temperature Controlled Spray Dryer

Afshar, Sepideh; Jubaer, Hasan; Metzger, Lloyd; Patel, Hasmukh; Selomulya, Cordelia; Woo, Meng Wai (Editorial Universitat Politècnica de València, 2018-09-07)

[EN] Most of the CFD simulations of spray dryers reported in the literature utilizes a fixed air inlet temperature numerical framework. In this paper, a numerical framework was introduced to model spray drying as an outlet ...
Influence of tip clearance on flow behavior and noise generation of centrifugal compressors in near-surge conditions

Galindo, José; Tiseira Izaguirre, Andrés Omar; Navarro García, Roberto; López Hidalgo, Miguel Andrés (Elsevier, 2015-04)

CFD has become an essential tool for researchers to analyze centrifugal compressors. Tip leakage flow is usually considered one of the main mechanisms that dictate compressor flow field and stability. However, it is a ...
Numerical study of EGR mixing and distribution in a piston engine intake line

García Olivas, Guillermo (Universitat Politècnica de València, 2022-01-10)

[ES] Teniendo en cuenta la cantidad de motores de combustión interna que se encuentran en activo actualmente, y sus potenciales emisiones de contaminación si se realizaran de forma incontrolada por el parque automovilístico, ...
Set-up analysis and Optimization of CFD Simulations for Radial Turbines

Galindo, José; Hoyas, S; Fajardo, Pablo; Navarro, R. (2013-12)

[EN] This paper proposes a CFD method for simulating radial turbocharger turbine flows. A review is presented of the computational model in terms of meshing, mesh movement strategy, and computational algorithm in turbomachinery ...