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Listar por palabra clave "Gas dynamics"

Mostrando ítems 1-8 de 8

A fluid dynamic model for unsteady compressible flow in wall-flow diesel particulate filters

Torregrosa Huguet, Antonio José; Serrano Cruz, José Ramón; Arnau Martínez, Francisco José; Piqueras Cabrera, Pedro (Elsevier, 2011-01)

The use of particulate filters (DPF) in Diesel engines has become in recent years the standard technology for the control of soot aerosol emissions. Once emissions reduction through the management of filtration and ...
Analysis of heavy-duty turbocharged diesel engine response under cold transient operation with a pre-turbo aftertreatment exhaust manifold configuration

Bermúdez, Vicente; Serrano, J.R.; Piqueras, P.; García Afonso, Óscar (SAGE Publications (UK and US), 2013-08)

Diesel particulate filters are the most useful technology to reduce particulate matter from the exhaust gas of internal combustion engines. Although these devices have suffered an intense development in terms of the ...
Analysis of shock capturing methods for chemical species transport in unsteady compressible flow

Serrano Cruz, José Ramón; Climent, H.; Piqueras, P.; García Afonso, Óscar (Elsevier, 2013-04)

This paper presents a chemical species transport model to account for variable composition and gas properties along the flow path in internal combustion engines. The numerical solution to adapt the gas dynamic model to ...
Assessment by means of gas dynamic modelling of a pre-turbo diesel particulate filter configuration in a turbocharged HSDI diesel engine under full-load transient operation

Bermúdez, Vicente; Serrano Cruz, José Ramón; Piqueras, P.; García Afonso, Óscar (SAGE Publications, 2011)

Diesel particulate filters (DPF) are becoming a standard technology in diesel engines because of the need for compliance with forthcoming regulations regarding soot emissions. When a great degree of maturity in management ...
Assessment of a methodology to mesh the spatial domain in the proximity of the boundary conditions for one-dimensional gas dynamic calculation

J.R. Serrano; Arnau Martínez, Francisco José; Piqueras, P.; Reyes Belmonte, Miguel Ángel (Elsevier, 2011)

[EN] Solution of governing equations for one-dimensional compressible unsteady flow has been performed traditionally using a homogenously distributed spatial mesh. In the resulting node structure, the internal nodes are ...
Desarrollo de un modelo cuasi-3D no lineal para modelado de sistemas de renovación de la carga en motores

Hernández Marco, Manuel (Universitat Politècnica de València, 2015-06-01)

[EN] Internal combustion engine modelling has proven to be an important tool in the design of manifolds and silencers. For some parts, 1D models would usually fail to predict the high frequency behaviour of modern manifold ...
Experimental theoretical methodology for determination of inertial pressure drop distribution and pore structure properties in wall-flow diesel particulate filters (DPFs)

Payri González, Francisco; Broatch Jacobi, Jaime Alberto; Serrano Cruz, José Ramón; Piqueras Cabrera, Pedro (Elsevier, 2011-12)

Wall-flow particulate filters have been placed as a standard technology for Diesel engines because of the increasing restrictions to soot emissions. The inclusion of this system within the exhaust line requires the development ...
On the effect of different flux limiters on the performance of an engine gas exchange gas-dynamic model

Torregrosa, A. J.; Broatch, A.; Arnau Martínez, Francisco José; Hernández-Marco, Manuel (Elsevier, 2017-11)

[EN] A suitable tool for the design of intake and exhaust systems of internal combustion engines is provided by time domain non-linear finite volume models. These models, however, are affected by overshoots at discontinuities ...