Characterization of a radial turbocharger turbine in pulsating flow by means of CFD and its application to engine modeling

J Galindo, P Fajardo, R Navarro, LM García-Cuevas - Applied Energy, 2013 - Elsevier
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 …

Steady and pulsating flow efficiency of a waste-gated turbocharger radial flow turbine for automotive application

S Marelli, M Capobianco - Energy, 2011 - Elsevier
In the paper the results of an experimental investigation developed on a small turbocharger
turbine for automotive application are presented, including the effect of the waste-gate valve …

1D simulation and experimental analysis of a turbocharger compressor for automotive engines under unsteady flow conditions

F Bozza, V De Bellis, S Marelli, M Capobianco - SAE International Journal of …, 2011 - JSTOR
Turbocharging technique will play a fundamental role in the near future not only to improve
automotive engine performance, but also to reduce fuel consumption and exhaust emissions …

1D simulation and experimental analysis of a turbocharger turbine for automotive engines under steady and unsteady flow conditions

V De Bellis, S Marelli, F Bozza, M Capobianco - Energy Procedia, 2014 - Elsevier
Turbocharging technique is more and more widely employed on compression ignition and
spark ignition internal combustion engines, as well, to improve performance and reduce total …

A detailed one-dimensional model to predict the unsteady behavior of turbocharger turbines for internal combustion engine applications

F Piscaglia, A Onorati, S Marelli… - … Journal of Engine …, 2019 - journals.sagepub.com
This article describes an investigation of the unsteady behavior of turbocharger turbines by
one-dimensional modeling and experimental analysis. A one-dimensional model has been …

A one-dimensional unsteady performance model for turbocharger turbines

Z Ding, W Zhuge, Y Zhang, H Chen, R Martinez-Botas… - Energy, 2017 - Elsevier
With the widespread application of pulse turbochargers in internal combustion engines,
steady or quasi-steady turbine models are no longer qualified for on-engine turbine …

Experimental analysis of unsteady flow performance in an automotive turbocharger turbine fitted with a waste-gate valve

M Capobianco, S Marelli - Proceedings of the Institution of …, 2011 - journals.sagepub.com
Downsizing and turbocharging is today an effective way of enhancing fuel economy in
automotive engines. However, more information on compressor and turbine behaviour when …

Non-adiabatic pressure loss boundary condition for modelling turbocharger turbine pulsating flow

MS Chiong, S Rajoo, A Romagnoli, AW Costall… - Energy conversion and …, 2015 - Elsevier
This paper presents a simplified methodology of pulse flow turbine modelling, as an
alternative over the meanline integrated methodology outlined in previous work, in order to …

Effect of pulsating flow characteristics on performance and surge limit of automotive turbocharger compressors

S Marelli, C Carraro, M Capobianco - SAE International Journal of Engines, 2012 - JSTOR
The flow in turbocharger compressors and turbines for automotive engine application is
highly unsteady in nature, as it responds to the intake and exhaust manifolds of the internal …

Impact of the wastegate opening on radial turbine performance under steady and pulsating flow conditions

A Ketata, Z Driss, MS Abid - Proceedings of the Institution of …, 2020 - journals.sagepub.com
The present article attempts to describe the behavior of wastegated turbines under various
steady and pulsating flow conditions. For this, meanline and one-dimensional numerical …