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 …

Fast three-dimensional heat transfer model for computing internal temperatures in the bearing housing of automotive turbochargers

A Gil, AO Tiseira, LM García-Cuevas… - … Journal of Engine …, 2020 - journals.sagepub.com
Each of the elements that make up the turbocharger has been gradually improved. In order
to ensure that the system does not experience any mechanical failures or loss of efficiency, it …

Four-quadrant analysis and system design for single-rod hydrostatic actuators

GK Costa, N Sepehri - Journal of Dynamic Systems …, 2019 - asmedigitalcollection.asme.org
In this paper, we present a novel design for single-rod hydrostatic actuators that produces a
stable response in all operation quadrants. The new design, which can have different …

High-Pressure Oxy-Syngas Ignition Delay Times With CO2 Dilution: Shock Tube Measurements and Comparison of the Performance of Kinetic Mechanisms

S Barak, E Ninnemann… - … for Gas Turbines …, 2019 - asmedigitalcollection.asme.org
In this study, syngas combustion was investigated behind reflected shock waves in CO2
bath gas to measure ignition delay times (IDT) and to probe the effects of CO2 dilution. New …

Feasibility study and design of an automatic system for electronic components disassembly

M Marconi, G Palmieri… - Journal of …, 2019 - asmedigitalcollection.asme.org
The improvement of the waste management efficiency and sustainability in the electronics
sector requires the disassembly and reuse of valuable electronic components, instead of …

Turbine and exhaust ports thermal insulation impact on the engine efficiency and aftertreatment inlet temperature

JM Luján, JR Serrano, P Piqueras, B Diesel - Applied energy, 2019 - Elsevier
Worldwide emission regulations are driven the efforts of the automotive industry to meet
challenging targets concerning pollution reduction. Nowadays, advances in exhaust …

Determination of the isentropic turbine efficiency due to adiabatic measurements and the validation of the conditions via a new criterion

R Zimmermann, R Baar, C Biet - Proceedings of the …, 2018 - journals.sagepub.com
The determination of the isentropic turbine efficiency under adiabatic and SAE boundary
conditions is studied in this paper. The study is structured into two parts. The first part …

Lubricant thermo-viscosity effects on turbocharger performance at low engine load

S Chuepeng, S Saipom - Applied Thermal Engineering, 2018 - Elsevier
This work presents the performance and efficiency of a needle bearing type turbocharger
under low load condition as affected by lubrication oil temperature and viscosity. The …

Lumped capacitance and three-dimensional computational fluid dynamics conjugate heat transfer modeling of an automotive turbocharger

RD Burke, CD Copeland… - … for Gas Turbines …, 2016 - asmedigitalcollection.asme.org
One-dimensional wave-action engine models have become an essential tool within engine
development including stages of component selection, understanding system interactions …

Review of turbocharger mapping and 1d modelling inaccuracies with specific focus on two-stag systems

C Avola, C Copeland, T Duda, R Burke, S Akehurst… - 2015 - sae.org
The adoption of two stage serial turbochargers in combination with internal combustion
engines can improve the overall efficiency of powertrain systems. In conjunction with the …