ANALYSIS OF THE TEMPERATURE PULSATIONS OF THE EXHAUST GAS BEFORE THE THREE-WAY CATALYST
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F20%3APU138435" target="_blank" >RIV/00216305:26210/20:PU138435 - isvavai.cz</a>
Result on the web
<a href="https://www.engmech.cz/im/doc/EM2020_proceedings.pdf" target="_blank" >https://www.engmech.cz/im/doc/EM2020_proceedings.pdf</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.21495/5896-3-078" target="_blank" >10.21495/5896-3-078</a>
Alternative languages
Result language
angličtina
Original language name
ANALYSIS OF THE TEMPERATURE PULSATIONS OF THE EXHAUST GAS BEFORE THE THREE-WAY CATALYST
Original language description
When using combustion engine such as common gasoline engine, exhaust gas temperature pulsation due to dynamic changes in the operation condition often occurs. The most problematic point in designing the aftertreatment system is the light-off temperature of the three-way catalyst. The aim of this article is to describe the effect of the load and speed of the engine, which are the most problematic and frequently changing conditions during the real drive. A simulation of the exhaust gas temperature was carried out in order to investigate the impact on the effectivity of the catalyst. The simulated engine was inspired in turbocharged engine VW 1,5 TSI EVO. The exhaust gas temperature was calculated for full load steady state conditions, no load steady state conditions and real drive transient conditions. The results show that the effect of the dynamic changes of the load and speed of the engine is significant for determine the temperature pulsations in exhaust gas. These pulsations have major effect on the effectivity of the catalyst. Next research will be focused on remove these disadvantages with usage of heat storage system based on PCM materials inserted between the turbine and the catalyst.
Czech name
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Czech description
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Classification
Type
D - Article in proceedings
CEP classification
—
OECD FORD branch
20303 - Thermodynamics
Result continuities
Project
—
Continuities
S - Specificky vyzkum na vysokych skolach
Others
Publication year
2020
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Article name in the collection
ENGINEERING MECHANICS
ISBN
978-80-214-5896-3
ISSN
1805-8248
e-ISSN
—
Number of pages
4
Pages from-to
78-81
Publisher name
BRNO UNIV TECHNOL, FAC MECHANICAL ENGINEERING
Place of publication
BRNO
Event location
Online
Event date
Nov 24, 2020
Type of event by nationality
EUR - Evropská akce
UT code for WoS article
000667956100012