TWO-STAGE TURBOCHARGED LARGE-BORE SI ICE - TRANSIENT OPERATION UNDER DIFFERENT CONDITIONS

Kód výsledku v IS VaVaI

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Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

TWO-STAGE TURBOCHARGED LARGE-BORE SI ICE - TRANSIENT OPERATION UNDER DIFFERENT CONDITIONS

Popis výsledku v původním jazyce

The transient performance of the target SI ICE (two-stage turbocharged large-bore gas SI) was tested using the detailed thermodynamic simulation model (including its complex control). The influence of different parameters was evaluated: e.g., power control, NOx level defined by TA Luft, turbocharger bearing design, ambient conditions, turbocharger electrical assistance. The presented effects are commented/explained, and some general conclusions are drawn. One of them is the statement, that despite a 2-stage boost group has usually ability to provide high boost pressure levels, transient response might be very slow if the turbo-matching is focused too much on efficiency (under steady-state operation). Other one is the fact, that measures, which typically decrease steady-state efficiency, usually help transient performance.

Název v anglickém jazyce

TWO-STAGE TURBOCHARGED LARGE-BORE SI ICE - TRANSIENT OPERATION UNDER DIFFERENT CONDITIONS

Popis výsledku anglicky

The transient performance of the target SI ICE (two-stage turbocharged large-bore gas SI) was tested using the detailed thermodynamic simulation model (including its complex control). The influence of different parameters was evaluated: e.g., power control, NOx level defined by TA Luft, turbocharger bearing design, ambient conditions, turbocharger electrical assistance. The presented effects are commented/explained, and some general conclusions are drawn. One of them is the statement, that despite a 2-stage boost group has usually ability to provide high boost pressure levels, transient response might be very slow if the turbo-matching is focused too much on efficiency (under steady-state operation). Other one is the fact, that measures, which typically decrease steady-state efficiency, usually help transient performance.

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

2023

Kód důvěrnosti údajů

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

Název statě ve sborníku

KOKA 2023 SCIENTIFIC PROCEEDINGS

ISBN

978-80-214-6164-2

ISSN

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e-ISSN

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Počet stran výsledku

21

Strana od-do

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Název nakladatele

Brno University of Technology, Faculty of Mechanical Engineering

Místo vydání

Brno

Místo konání akce

Hustopeče

Datum konání akce

6. 9. 2023

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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