[HTML][HTML] Variable geometry turbocharger technologies for exhaust energy recovery and boosting‐A Review

AJ Feneley, A Pesiridis, AM Andwari - Renewable and sustainable energy …, 2017 - Elsevier
As emissions regulations become increasingly demanding, higher power density engine
(downsized/downspeeded and increasingly right-sized) requirements are driving the …

Unsteady performance analysis of a twin-entry variable geometry turbocharger turbine

S Rajoo, A Romagnoli, RF Martinez-Botas - Energy, 2012 - Elsevier
This paper discusses the details of unsteady experimentation and analysis of a twin-entry
variable geometry turbine for an automotive turbocharger. The turbine in this study is the …

[HTML][HTML] Assessment of the unsteady performance of a turbocharger radial turbine under pulsating flow conditions: Parametric study and modeling

R Mosca, M Mihaescu - Energy Conversion and Management: X, 2022 - Elsevier
A characteristic of radial turbines for turbocharger applications subject to pulsating flow is
the deviation of the turbine performance compared with corresponding continuous flow …

Numerical investigation of partial admission losses in radial inflow turbines

H Wang, K Luo, C Huang, A Zou, D Li, K Qin - Energy, 2022 - Elsevier
Radial inflow turbines are taken as potential power conversion units for many power cycles
where full admission is employed. The partial admission turbine is usually selected for small …

Experimental study on performance of centrifugal compressor exposed to pulsating backpressure

M Shu, M Yang, K Zhang, K Deng, B Yang… - Aerospace Science and …, 2019 - Elsevier
Pressure fluctuations in intake manifold of Internal Combustion Engine introduce a pulsating
boundary condition to the centrifugal compressor. In this study, the performance of …

A three-dimensional computational study of pulsating flow inside a double entry turbine

P Newton, R Martinez-Botas… - Journal of …, 2015 - asmedigitalcollection.asme.org
The double entry turbine contains two different gas entries, each feeding 180 deg of a single
rotor wheel. This geometry can be beneficial for use in turbocharging and is uniquely found …

Design of a novel impulse turbine for exhaust energy recovery in a commercial load carrier single cylinder diesel engine

J Ramkumar, A Krishnasamy… - International Journal of …, 2025 - journals.sagepub.com
A significant fraction of the fuel energy supplied in a diesel engine is wasted into the
atmosphere through the exhaust gases. Although most modern-day diesel engines are …

Comparison between steady and unsteady double-entry turbine performance using the quasi-steady assumption

CD Copeland, R Martinez-Botas, M Seiler - 2011 - asmedigitalcollection.asme.org
The experimental performance evaluation of a circumferentially divided, double-entry
turbocharger turbine is presented in this paper with the aim of understanding the influence of …

Integration of meanline and one-dimensional methods for prediction of pulsating performance of a turbocharger turbine

MS Chiong, S Rajoo, A Romagnoli, AW Costall… - Energy conversion and …, 2014 - Elsevier
Stringent emission regulations are driving engine manufacturers to increase investment into
enabling technologies to achieve better specific fuel consumption, thermal efficiency and …

Unsteady performance of a mixed-flow turbine with nozzled twin-entry volute confronted by pulsating incoming flow

Y Xue, M Yang, RF Martinez-Botas, B Yang… - Aerospace Science and …, 2019 - Elsevier
Turbine with twin-entry volute has advantage of utilising energy from pulsatile exhaust gas
and improving low-speed torque of an internal combustion engine. This paper investigates …