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Browsing by Subject "Radial turbine simulation"

Now showing items 1-6 of 6

An innovative losses model for efficiency map fitting of vaneless and variable vaned radial turbines extrapolating towards extreme off-design conditions

Serrano, J.R.; Arnau Martínez, Francisco José; García-Cuevas González, Luis Miguel; Inhestern, Lukas Benjamin (Elsevier, 2019-08-01)

[EN] Pulsating flow in automotive turbocharger turbines makes it necessary to know performance characteristics in difficult to measure off-design conditions. Physically based extrapolation models can be used to extrapolate ...
Development and validation of a radial turbine efficiency and mass flow model at design and off-design conditions

Serrano Cruz, José Ramón; Arnau Martínez, Francisco José; García-Cuevas González, Luis Miguel; Dombrovsky, Artem; Tartoussi, H. (Elsevier, 2016-11-15)

Turbine performance at extreme off-design conditions is growing in importance for properly computing turbocharged reciprocating internal combustion engines behaviour during urban driving conditions at current and future ...
Development and validation of a radial variable geometry turbine model for transient pulsating flow applications

Galindo, José; Tiseira Izaguirre, Andrés Omar; Fajardo, P.; García-Cuevas González, Luis Miguel (Elsevier, 2014-09)

This paper presents the development and validation of a one-dimensional radial turbine model able to be used in automotive turbocharger simulations. The model has been validated using results from a numerical 3D CFD ...
Effect of the numerical scheme resolution on quasi-2D simulation of an automotive radial turbine under highly pulsating flow

Galindo, José; Climent, H.; Tiseira Izaguirre, Andrés Omar; García-Cuevas González, Luis Miguel (Elsevier, 2016-01-01)

Automotive turbocharger turbines usually work under pulsating flow because of the sequential nature of engine breathing. However, existing turbine models are typically based on quasi-steady assumptions. In this paper a ...
Experimental validation of a quasi-two-dimensional radial turbine model

Galindo, José; Arnau Martínez, Francisco José; García-Cuevas González, Luis Miguel; Soler-Blanco, Pablo (SAGE Publications, 2018-07-20)

[EN] This article presents the experimental validation of a quasi-two-dimensional radial turbine model able to be used in turbocharged reciprocating internal combustion engine simulations. A passenger car variable-geometry ...
Radial turbine performance measurement under extreme off-design Conditions

Serrano, J.R.; Tiseira, Andrés Omar; García-Cuevas González, Luis Miguel; Inhestern, Lukas Benjamin; Tartoussi, H. (Elsevier, 2017)

[EN] During automotive urban driving conditions and future homologation cycles, automotive radial turbines experience transient conditions, whereby the same operate at very high blade speed ratios and, thus, at very low ...