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 …

A study on the internal convection in small turbochargers. Proposal of heat transfer convective coefficients

JR Serrano, P Olmeda, FJ Arnau… - Applied Thermal …, 2015 - Elsevier
Nowadays turbochargers play an important role in improving internal combustion engines
(ICE) performance. Usually, engine manufacturers use computer codes to predict the …

Importance of heat transfer phenomena in small turbochargers for passenger car applications

J Serrano, P Olmeda, F Arnau… - … International Journal of …, 2013 - JSTOR
Nowadays turbocharging the internal combustion engine has become a key point in both the
reduction of pollutant emissions and the improvement of engine performance. The matching …

Research on optimizing turbo-matching of a large-displacement PFI hydrogen engine to achieve high-power performance

F Lai, B Sun, G Xiao, Q Luo, L Bao - International Journal of Hydrogen …, 2023 - Elsevier
The output power of hydrogen engines is restricted due to the low volume energy density of
hydrogen and lean burn, thus a turbocharger is necessary to boost the power intensity …

Influence of speed and frequency towards the automotive turbocharger turbine performance under pulsating flow conditions

MH Padzillah, S Rajoo, RF Martinez-Botas - Energy conversion and …, 2014 - Elsevier
The ever-increasing demand for low carbon applications in automotive industry has
intensified the development of highly efficient engines and energy recovery devices. Even …

[HTML][HTML] Multi-objective optimization of turbocharger turbines for low carbon vehicles using meanline and neural network models

P Kapoor, AW Costall, N Sakellaridis… - Energy Conversion and …, 2022 - Elsevier
Due to slow turnover of the global vehicle parc internal combustion engines will remain a
primary means of motive power for decades, so the automotive industry must continue to …

Development and validation of a radial turbine efficiency and mass flow model at design and off-design conditions

JR Serrano, FJ Arnau, LM García-Cuevas… - Energy Conversion and …, 2016 - Elsevier
Turbine performance at extreme off-design conditions is growing in importance for properly
computing turbocharged reciprocating internal combustion engines behaviour during urban …

Turbo-assisted direct solar air heater for medium temperature industrial processes using Linear Fresnel Collectors. Assessment on daily and yearly basis

A Famiglietti, A Lecuona, M Ibarra, J Roa - Energy, 2021 - Elsevier
The study analyzes an innovative concentrating solar thermal system aimed at the direct
production of hot air for industrial applications. Air is heated inside linear Fresnel collectors …

Radial turbine performance measurement under extreme off-design conditions

JR Serrano, A Tiseira, LM García-Cuevas, LB Inhestern… - Energy, 2017 - Elsevier
During automotive urban driving conditions and future homologation cycles, automotive
radial turbines experience transient conditions, whereby the same operate at very high …

Optimal detailed design and performance assessment of natural gas pressure reduction stations system equipped with variable inlet guide vane radial turbo-expander …

SME Saryazdi, F Rezaei, Y Saboohi - Journal of Natural Gas Science and …, 2021 - Elsevier
The turbo-expander system is utilized instead of the pressure regulator to avoid exergy
destruction occurring in gas pressure reduction systems. However, due to the variation of …