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

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F23%3A00373581" target="_blank" >RIV/68407700:21220/23:00373581 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
TWO-STAGE TURBOCHARGED LARGE-BORE SI ICE - TRANSIENT OPERATION UNDER DIFFERENT CONDITIONS
Original language description
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.
Czech name
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Czech description
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Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2023
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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