Methodology for experimental validation of a CFD model for predicting noise generation in centrifugal compressors
Centrifugal compressors working in the surge side of the map generate a broadband noise
in the range of 1–3 kHz, named as whoosh noise. This noise is perceived at strongly …
in the range of 1–3 kHz, named as whoosh noise. This noise is perceived at strongly …
A detailed one-dimensional model to predict the unsteady behavior of turbocharger turbines for internal combustion engine applications
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 …
one-dimensional modeling and experimental analysis. A one-dimensional model has been …
A numerical procedure to model heat transfer in radial turbines for automotive engines
X Gao, B Savic, R Baar - Applied Thermal Engineering, 2019 - Elsevier
The thermal condition of a turbocharger considerably differs between different applications,
which makes it difficult to model the heat transfer. In this study, a general procedure to …
which makes it difficult to model the heat transfer. In this study, a general procedure to …
Characterization of complete compressor map using a multi-fidelity approach with low requirements of input working points.
Usual methods for characterizing turbomachinery performance maps often require a
significant number of input working points. This constraint limits the scope of CFD …
significant number of input working points. This constraint limits the scope of CFD …
General procedure for the determination of heat transfer properties in small automotive turbochargers
These days many research efforts on internal combustion engines are centred on optimising
turbocharger matching and performance on the engine. In the last years a number of studies …
turbocharger matching and performance on the engine. In the last years a number of studies …
A zonal approach for estimating pressure ratio at compressor extreme off-design conditions
Zero-dimensional/one-dimensional computational fluid dynamics codes are used to
simulate the performance of complete internal combustion engines. In such codes, the …
simulate the performance of complete internal combustion engines. In such codes, the …
Turbocharger control-oriented modeling: twin-entry turbine issues and possible solutions
N Cavina, A Borelli, L Calogero, R Cevolani… - SAE International Journal …, 2015 - JSTOR
The paper presents possible solutions for developing fast and reliable turbocharger models,
to be used mainly for control applications. This issue is of particular interest today for SI …
to be used mainly for control applications. This issue is of particular interest today for SI …
Compressor efficiency extrapolation for 0D-1D engine simulations
0D-1D codes allow researchers to obtain a prediction of the behavior of internal combustion
engines with little computational effort. One of the submodels of such codes is devoted to the …
engines with little computational effort. One of the submodels of such codes is devoted to the …
New method for mapping radial turbines exposed to pulsating flows
Z Liu, C Copeland - Energy, 2018 - Elsevier
In this paper, a new method for mapping radial turbines will be demonstrated and shown to
be superior to the standard approach typical to gas-stand laboratories. This is especially true …
be superior to the standard approach typical to gas-stand laboratories. This is especially true …
Design and testing a bespoke cylinder head pulsating flow generator for a turbocharger gas stand
R Vijayakumar, S Akehurst, Z Liu, MA Reyes-Belmonte… - Energy, 2019 - Elsevier
Most turbocharger gas stands are designed to map performance under steady flow
conditions. However, when connected to an internal combustion engine (ICE), the turbine is …
conditions. However, when connected to an internal combustion engine (ICE), the turbine is …