A review of heat transfer in turbochargers

A Romagnoli, A Manivannan, S Rajoo… - … and Sustainable Energy …, 2017 - Elsevier
The conventional powertrain has seen a continuous wave of energy optimization, focusing
heavily on boosting and engine downsizing. This trend is pushing OEMs to consider …

Theoretical and experimental study of mechanical losses in automotive turbochargers

JR Serrano, P Olmeda, A Tiseira, LM García-Cuevas… - Energy, 2013 - Elsevier
The aim of the present work is to show an approximation, through an experimental and a
theoretical study, to quantify the mechanical losses in a turbocharging system. These are …

External heat losses in small turbochargers: Model and experiments

F Payri, P Olmeda, FJ Arnau, A Dombrovsky, L Smith - Energy, 2014 - Elsevier
The behavior of small turbochargers is deeply affected by heat transfer phenomena. The
external heat losses of these machines are studied and a simplified model that takes into …

Turbocharger heat transfer and mechanical losses influence in predicting engines performance by using one-dimensional simulation codes

JR Serrano, P Olmeda, FJ Arnau, A Dombrovsky… - Energy, 2015 - Elsevier
The exhaust energy can represent up to 40% of the fuel chemical energy in turbocharged
internal combustion engines. In order to calculate properly the available energy of the …

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 …

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 …

Heat transfer in turbocharger turbines under steady, pulsating and transient conditions

RD Burke, CRM Vagg, D Chalet, P Chesse - International Journal of Heat …, 2015 - Elsevier
Heat transfer is significant in turbochargers and a number of mathematical models have
been proposed to account for the heat transfer, however these have predominantly been …

[HTML][HTML] Determination of heat flows inside turbochargers by means of a one dimensional lumped model

P Olmeda, V Dolz, FJ Arnau… - … and computer modelling, 2013 - Elsevier
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 solved by using a one …

Impact of heat transfer on the performance of micro gas turbines

D Verstraete, C Bowkett - Applied Energy, 2015 - Elsevier
The miniaturisation of gas turbine engines poses significant challenges to the performance
in heat management due to the close proximity of the hot and cold components. This paper …