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Listar por autor "Fajardo Peña, Pablo"

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A moving mesh generation strategy for solving an injector internal flow problem

Margot, Xandra; Hoyas, S.; Fajardo, Pablo; Patouna, Stavroula (Elsevier, 2010)

[EN] The ability to handle complex geometries is an important part of transient calculations; therefore, the need for fully automatic mesh generation capable of dealing with such geometries is quite demanded. In this paper ...
A physically based methodology to extrapolate performance maps of radial turbines

Payri González, Francisco; Serrano Cruz, José Ramón; Fajardo, Pablo; Reyes Belmonte, Miguel Ángel; Gozalbo Belles, Ricardo (Elsevier, 2012-03)

This paper details a physically based methodology to perform an extrapolation of the radial turbine performance maps, both mass flow characteristics and the efficiency curve. This method takes into account a narrow range ...
Aerospace Technology (Aerospace Engineering Degree)

Tiseira Izaguirre, Andrés Omar; Blanco Rodríguez, David; Carreres Talens, Marcos; Fajardo Peña, Pablo (Editorial Universitat Politècnica de València, 2013-12-01)

Apuntes de la asignatura Tecnología Aeroespacial
Analysis of bifurcations in a Bénard-Marangoni problem: Gravitational effects

Hoyas Calvo, Sergio; Fajardo Peña, Pablo; Gil Megías, Antonio; Pérez Quiles, María Jezabel (Elsevier, 2014-06)

This article studies the linear stability of a thermoconvective problem in an annular domain for different Bond (capillarity or buoyancy effects) and Biot (heat transfer) numbers for two set of Prandtl numbers (viscosity ...
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 de la interacción fluido-estructura y estudio de fenómenos aeroelásticos mediante análisis numérico

Bermejo Nicolás, Miguel (2021-12-30)

[ES] El presente Proyecto Final de Carrera se desarrolla con el objeto de realizar el estudio de problemas básicos de interacción fluido-estructura (FSI), concretamente problemas aeroelásticos bidimensionales, mediante software ...
Análisis de una turbina centrípeta con fluet

Lopez Florenciano, Alberto (Universitat Politècnica de València, 2013-07-24)

Proyecto Confidencial
Análisis del flujo interno y del comportamiento en vuelo de un proyectil anti-incendios mediante CFD

Almenar Rubio, María del Carmen (2022-05-11)

[ES] En el presente Proyecto Final de Carrera se lleva a cabo el an alisis del movimiento del uido contenido en el interior del dep osito de un proyectil anti-incendios y el comportamiento en vuelo del mismo mediante ...
Análisis termo-fluido-dinámico del flujo en una turbina radial de sobrealimentación mediante simulaciones CFD

Fajardo Peña, Pablo (Universitat Politècnica de València, 2011-09-06)

En este trabajo se ha realizado un estudio termo-fluido-dinámico de una turbina radial mediante el uso de mecánica de fluidos computacional. Ha sido necesario desarrollar nuevas condiciones de contorno para el código ...
CFD Study of Needle Motion Influence on the Spray Conditions of Single-Hole Injectors

Margot, Xandra Marcelle; Hoyas Calvo, Sergio; Fajardo, Pablo; Patouna, Stavroula (Begell House, 2011)

[EN] The spray characteristics and, consequently, the success of the Diesel combustion process is strongly affected by the manner in which fuel is introduced in the combustion chamber. This work consists in studying the ...
Characterization of a radial turbocharger turbine in pulsating flow by means of CFD and its application to engine modeling

Galindo, José; Fajardo, Pablo; Navarro García, Roberto; García-Cuevas González, Luis Miguel (Elsevier, 2013-03)

This paper presents a numerical study analyzing the effect of pulsating flow in a variable geometry radial inflow turbine. The turbine behavior is analyzed under isentropic pulses, which are similar to those created by a ...
Codimension-three bifurcations in a Bénard-Marangoni problem

Hoyas, S; Gil, A.; Fajardo, Pablo; Pérez Quiles, María Jezabel (American Physical Society, 2013-07-22)

[EN] This Brief Report studies the linear stability of a thermoconvective problem in an annular domain for relatively low (∼1) Prandtl (viscosity effects) and Biot (heat transfer) numbers. The four possible patterns for ...
Contribution to the Modeling and Understanding of Cold Pulsating Flow Influence in the Efficiency of Small Radial Turbines for Turbochargers

Serrano Cruz, José Ramón; Arnau Martínez, Francisco José; Fajardo, Pablo; Reyes Belmonte, Miguel Ángel; Vidal, Fabrice (American Society of Mechanical Engineers (ASME), 2012-10)

In the present paper, an unsteady approach to determine the performance of a small radial inflow turbine working under cold pulsating flow is presented. It has been concluded that a reasonably good characterization of ...
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 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 ...
Effect of the horizontal aspect ratio on thermocapillary convection stability in annular pool with surface heat dissipation

López-Núñez, E.; Pérez Quiles, María Jezabel; Fajardo, P.; Hoyas, S (Elsevier, 2020-02)

[EN] A linear stability analysis of the thermoconvective problem of a thin liquid film contained in an annular domain has been conducted. The influence of the horizontal aspect ratio on the solution has been considered by ...
Influence of geometrical parameters on the linear stability of a Benard-Marangoni problem

Hoyas, S; Fajardo, Pablo; Pérez Quiles, María Jezabel (American Physical Society, 2016)

[EN] A linear stability analysis of a thin liquid film flowing over a plate is performed. The analysis is performed in an annular domain when momentum diffusivity and thermal diffusivity are comparable (relatively low ...
Methodology for the Numerical Characterization of a Radial Turbine under Steady and Pulsating Flow

Fajardo Peña, Pablo (Universitat Politècnica de València, 2012-07-26)

The increasing use of turbochargers is leading to an outstanding research to understand the internal flow in turbomachines. In this frame, computational fluid dynamics (CFD) is one of the tools that can be applied to ...
On the onset of instabilities in a Bénard-Marangoni problem in an annular domain with temperature gradient

Hoyas, S; Ianiro, Andrea; Pérez Quiles, María Jezabel; Fajardo, Pablo (National Library of Serbia, 2016)

[EN] This manuscript addresses the linear stability analysis of a thermoconvective problem in an annular domain. The flow is heated from below, with a linear decreasing horizontal temperature profile from the inner ...
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 ...