Search Results - "Arnau, F.J."

A fluid dynamic model for unsteady compressible flow in wall-flow diesel particulate filters by Torregrosa, A.J., Serrano, J.R., Arnau, F.J., Piqueras, P.

“…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…”
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Phenomenological methodology for assessing the influence of flow conditions on the acoustic response of exhaust aftertreatment systems by Torregrosa, A.J., Arnau, F.J., Piqueras, P., Sanchis, E.J., Tartoussi, H.

“…The increasing limits of standards on aerosol and gaseous emissions from internal combustion engines have led to the progressive inclusion of different exhaust…”
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Design of a carbon capture system for oxy-fuel combustion in compression ignition engines with exhaust water recirculation by Luján, J.M., Arnau, F.J., Piqueras, P., Farias, V.H.

“…The oxy-fuel combustion engine concept with onboard oxygen generation and carbon capture (CC) is studied using as a starting point a baseline oxy-fuel…”
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A strategy to extend load operation map range in oxy-fuel compression ignition engines with oxygen separation membranes by Arnau, F.J., Bracho, G., García-Cuevas, L.M., Farias, V.H.

“…The possibility of applying oxy-fuel combustion to a compression ignition engine (CIE) at different operating points regarding engine speed and load is studied…”
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Oxy-fuel combustion feasibility of compression ignition engines using oxygen separation membranes for enabling carbon dioxide capture by Serrano, J.R., Arnau, F.J., García-Cuevas, L.M., Farias, V.H.

“…•An oxy-fuel combustion is studied in a compression ignition engine.•A membrane is used to separate O2 from the air, powered by waste heat.•The CO2-fuel…”
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Determination of heat flows inside turbochargers by means of a one dimensional lumped model by Olmeda, P., Dolz, V., Arnau, F.J., Reyes-Belmonte, M.A.

“…In the present paper, a methodology to calculate the heat fluxes inside a turbocharger from diesel passenger car is presented. The heat transfer phenomenon is…”
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Analysis of a novel concept of 2-stroke rod-less opposed pistons engine (2S-ROPE): Testing, modelling, and forward potential by Serrano, J.R., Arnau, F.J., Bares, P., Gomez-Vilanova, A., Garrido-Requena, J., Luna-Blanca, M.J., Contreras-Anguita, F.J.

“…[Display omitted] •A new 2 S opposed pistons engine architecture has been designed and assembled.•The engine is conceived for automotive range extender of…”
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On the effect of different flux limiters on the performance of an engine gas exchange gas-dynamic model by Torregrosa, A.J., Broatch, A., Arnau, F.J., Hernández, M.

“…•The effects of three flux limiters on a gas-dynamic model were compared.•A similarly acceptable behaviour was observed in the classical shock-tube…”
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A model of turbocharger radial turbines appropriate to be used in zero- and one-dimensional gas dynamics codes for internal combustion engines modelling by Serrano, J.R., Arnau, F.J., Dolz, V., Tiseira, A., Cervelló, C.

“…The paper presents a model of fixed and variable geometry turbines. The aim of this model is to provide an efficient boundary condition to model turbocharged…”
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Solution of the turbocompressor boundary condition for one-dimensional gas-dynamic codes by Galindo, J., Arnau, F.J., Tiseira, A., Piqueras, P.

“…Nowadays, turbocharged engines are widely used in cars and trucks. Gas-dynamic codes are an important tool in design and optimization of these types of…”
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A non-linear quasi-3D model with Flux-Corrected-Transport for engine gas-exchange modelling by Torregrosa, A.J., Broatch, A., Arnau, F.J., Hernández, M.

“…Modelling has proven to be an important tool in the design of manifolds and silencers for internal combustion engines. Although simple 1D models are generally…”
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Derivation of the method of characteristics for the fluid dynamic solution of flow advection along porous wall channels by Desantes, J.M., Serrano, J.R., Arnau, F.J., Piqueras, P.

“…This paper describes in detail a novel formulation of the method of characteristics for its application to solve one-dimensional compressible unsteady…”
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Methodology for characterisation and simulation of turbocharged diesel engines combustion during transient operation. Part 1: Data acquisition and post-processing by Serrano, J.R., Arnau, F.J., Dolz, V., Piqueras, P.

“…Compliance with oncoming emission directives demands a great effort from researchers on the development of effective procedures and tools to cope with the…”
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On-engine measurement of turbocharger surge limit by Galindo, J., Tiseira, A., Arnau, F. J., Lang, R.

“…In this article a new experimental technique is presented to measure the turbocharger surge limit in a regular engine test bench. It is known that the surge…”
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High-frequency response of a calculation methodology for gas dynamics based on Independent Time Discretisation by Galindo, J., Serrano, J.R., Arnau, F.J., Piqueras, P.

“…A calculation methodology to solve the one-dimensional governing equations system is presented. This calculation methodology is based on the Independent Time…”
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Time-domain computation of muffler frequency response: Comparison of different numerical schemes by Broatch, A., Serrano, J.R., Arnau, F.J., Moya, D.

“…A comparative study of the performance of different schemes used to solve one-dimensional gas flow equations when applied to the computation of the frequency…”
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Assessment of a methodology to mesh the spatial domain in the proximity of the boundary conditions for one-dimensional gas dynamic calculation by Serrano, J.R., Arnau, F.J., Piqueras, P., Reyes-Belmonte, M.A.

“…Solution of governing equations for one-dimensional compressible unsteady flow has been performed traditionally using a homogenously distributed spatial mesh…”
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Application of the two-step Lax and Wendroff FCT and the CE-SE method to flow transport in wall-flow monoliths by Serrano, J.R., Arnau, F.J., Piqueras, P., García-Afonso, O.

“…Gas dynamic codes are computational tools applied to the analysis of air management in internal combustion engines. The governing equations in one-dimensional…”
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1D gas dynamic modelling of mass conservation in engine duct systems with thermal contact discontinuities by Serrano, J.R., Arnau, F.J., Piqueras, P., Onorati, A., Montenegro, G.

“…A detailed analysis of mass non-conservation in the proximity of thermal contact discontinuities, when solving 1-D gas dynamic flow equations with finite…”
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Analysis of numerical methods to solve one-dimensional fluid-dynamic governing equations under impulsive flow in tapered ducts by Payri, F., Galindo, J., Serrano, J.R., Arnau, F.J.

“…A comparative study of different schemes to solve one-dimensional (1-D) gas flow equations in tapered pipes was conducted in this paper. The total variation…”
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