NOx Emissions with Application of the Atkinson and the Miller Cycles at Partial Load with Mixture Heating

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F12%3A00202133" target="_blank" >RIV/68407700:21220/12:00202133 - 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

NOx Emissions with Application of the Atkinson and the Miller Cycles at Partial Load with Mixture Heating

Original language description

The objective of this work is an investigation of NOx emissions in application of both well-known techniques, i.e. the modified Atkinson working cycle with a late intake valve closing (LIVC) and the Miller working cycle with an extreme early intake valveclosing (EIVC) in comparison to the Otto cycle at part load (throttled) with heating of working fluid (mixture) in intake. As known, application of the Atkinson and the Miller cycle causes a decrease in the in-cylinder charge temperature before the compression stroke. However, in-cylinder charge temperature at the beginning of the combustion is also decreased in case of a constant value of geometric compression ratio. Combustion is then slower (compared to a standard Otto cycle) and indicated efficiency could be negatively influenced. To avoid this, mixture can be heated in intake manifold of the engine. NOx emissions, however, could be increased in this way in consequence of higher charge temperature during combustion. A commercial 1-

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

JT - Propulsion, engines and fuels

OECD FORD branch

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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

2012

Confidentiality

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

Name of the periodical

MECCA Journal of Middle European Construction and Design of Cars

ISSN

1214-0821

e-ISSN

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Volume of the periodical

10

Issue of the periodical within the volume

2

Country of publishing house

CZ - CZECH REPUBLIC

Number of pages

9

Pages from-to

44-52

UT code for WoS article

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EID of the result in the Scopus database

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