Imperial College London
Alternate

ProfessorRicardoMartinez-Botas

Faculty of Engineering, Department of Mechanical Engineering

Associate Dean Industry Partnerships,Prof of Turbomachinery
 
 
 
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Contact

 

+44 (0)20 7594 7241r.botas Website

 
 
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Location

 

611City and Guilds BuildingSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@inproceedings{Yang:2021,
author = {Yang, B and Martinez-Botas, RF and Newton, P and Hoshi, T and Gupta, B and Ibaraki, S},
pages = {97--112},
title = {One dimensional modelling on twin-entry turbine: An application of TURBODYNA},
year = {2021}
}
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RIS format (EndNote, RefMan)

TY  - CPAPER
AB  - One-dimensional (1D) modelling is important for turbocharger unsteady performance prediction and system response assessment of internal combustion engine. Two limbs of twin-entry turbines deliver pulsating unsteady flows with 180° phase difference leading to significant mixing at the rotor inlet. Such effects cannot be reproduced in classic 1D modelling and hence the predictions by the latter are less satisfactory in twin-entry turbines. To solve this problem, the paper proposes a novel 1D modelling (TURBODYNA) and applies it to a twin-entry turbocharger turbine. Instead of applying constant pressure assumption at the limbs junction, TURBODYNA solves conservation equations during the mixing process. Unsteady source terms described by dynamic equations are added into Euler equation to simulation rotor unsteady performance. By comparing TURBODYNA with validated CFD, TURBODYNA not only provides a great agreement on turbine performances, but also accurately captures unsteady features with increased pulsating frequency.
AU  - Yang,B
AU  - Martinez-Botas,RF
AU  - Newton,P
AU  - Hoshi,T
AU  - Gupta,B
AU  - Ibaraki,S
EP  - 112
PY  - 2021///
SP  - 97
TI  - One dimensional modelling on twin-entry turbine: An application of TURBODYNA
ER  -
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