Predicting Turbomachinery Performance by Detailed 3-D CFD Modelling

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F20%3A00343918" target="_blank" >RIV/68407700:21220/20:00343918 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Predicting Turbomachinery Performance by Detailed 3-D CFD Modelling

Popis výsledku v původním jazyce

The paper is focused on turbomachinery modeling while using 3-D CFD approach. Different turbomachinery was considered – due to paper size limitations, only automotive radial turbine data are presented. The paper provides an overview of recent results of 2 different radial turbine designs – a classical turbine and a twin-scroll turbine. Simulation data are compared with typical experimental ones (i.e., mass flow rate and efficiency) while performing different sensitivity studies. These are focused on meshes, numerics, turbulence models, rotor movement approaches, etc. General conclusions are drawn and `best practice’ recommendations are provided. There are some open questions still to be answered. However, the main conclusion is that 3-D CFD provides a reliable tool for prediction of turbomachinery performance – mass flow is usually predicted well while efficiency is a bit more problematic, however the qualitative trends are correctly captured.

Název v anglickém jazyce

Predicting Turbomachinery Performance by Detailed 3-D CFD Modelling

Popis výsledku anglicky

The paper is focused on turbomachinery modeling while using 3-D CFD approach. Different turbomachinery was considered – due to paper size limitations, only automotive radial turbine data are presented. The paper provides an overview of recent results of 2 different radial turbine designs – a classical turbine and a twin-scroll turbine. Simulation data are compared with typical experimental ones (i.e., mass flow rate and efficiency) while performing different sensitivity studies. These are focused on meshes, numerics, turbulence models, rotor movement approaches, etc. General conclusions are drawn and `best practice’ recommendations are provided. There are some open questions still to be answered. However, the main conclusion is that 3-D CFD provides a reliable tool for prediction of turbomachinery performance – mass flow is usually predicted well while efficiency is a bit more problematic, however the qualitative trends are correctly captured.

Druh

D - Stať ve sborníku

CEP obor

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OECD FORD obor

20303 - Thermodynamics

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2020

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

KOKA 2020 Proceedings: 51st International Scientific Conference of the Czech and Slovak Universities and Institutions Dealing with Motor Vehicles and Internal Combustion Engines Research

ISBN

978-80-01-06744-4

ISSN

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e-ISSN

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Počet stran výsledku

14

Strana od-do

172-185

Název nakladatele

ústav automobilů, spalovacích motorů a kolejových vozidel

Místo vydání

Praha

Místo konání akce

Praha

Datum konání akce

9. 9. 2020

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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