Analysis of Post-oxidation Phenomena in a Turbocharged DISI Engine Focused on Gas and PM Emissions and Gas Temperature

Madan Kumar; Salaar Moeeni; Tatsuya Kuboyama; Yasuo Moriyoshi; Tetsuya Aizawa; Michael Bargende

doi:10.20485/JSAEIJAE.12.4_116

Analysis of Post-oxidation Phenomena in a Turbocharged DISI Engine Focused on Gas and PM Emissions and Gas Temperature

Madan Kumar^*, Salaar Moeeni, Tatsuya Kuboyama, Yasuo Moriyoshi, Tetsuya Aizawa, Michael Bargende

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

The detailed investigation of post-oxidation phenomena based on gas emissions, PM and gas temperature were performed on a turbocharged DISI engine. In post-oxidation phenomena, rich air-fuel mixture is used inside cylinder and this rich excursion gives rise to the production of CO, THC, PM and H2 emissions. Then the scavenged O2 and emitted H2 play a key role for post-oxidation reaction (exothermic) with CO, THC and PM in exhaust manifold and in-turn can aid in increasing the temperature along with overcoming of decrease in temperature by heat absorption reaction. The actuation time delay of reaction was also investigated with emissions and temperature with fast response devices in transient mode.

Original language	English
Pages (from-to)	116-124
Number of pages	9
Journal	International Journal of Automotive Engineering
Volume	12
Issue number	4
DOIs	https://doi.org/10.20485/JSAEIJAE.12.4_116
State	Published - 2021
Externally published	Yes

Keywords

Heat engine
emissions
gas temperature
post-oxidation
spark ignition engine
transient response (A1)

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10.20485/JSAEIJAE.12.4_116

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title = "Analysis of Post-oxidation Phenomena in a Turbocharged DISI Engine Focused on Gas and PM Emissions and Gas Temperature",

abstract = "The detailed investigation of post-oxidation phenomena based on gas emissions, PM and gas temperature were performed on a turbocharged DISI engine. In post-oxidation phenomena, rich air-fuel mixture is used inside cylinder and this rich excursion gives rise to the production of CO, THC, PM and H2 emissions. Then the scavenged O2 and emitted H2 play a key role for post-oxidation reaction (exothermic) with CO, THC and PM in exhaust manifold and in-turn can aid in increasing the temperature along with overcoming of decrease in temperature by heat absorption reaction. The actuation time delay of reaction was also investigated with emissions and temperature with fast response devices in transient mode.",

keywords = "Heat engine, emissions, gas temperature, post-oxidation, spark ignition engine, transient response (A1)",

author = "Madan Kumar and Salaar Moeeni and Tatsuya Kuboyama and Yasuo Moriyoshi and Tetsuya Aizawa and Michael Bargende",

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AU - Kumar, Madan

AU - Moeeni, Salaar

AU - Kuboyama, Tatsuya

AU - Moriyoshi, Yasuo

AU - Aizawa, Tetsuya

AU - Bargende, Michael

PY - 2021

Y1 - 2021

N2 - The detailed investigation of post-oxidation phenomena based on gas emissions, PM and gas temperature were performed on a turbocharged DISI engine. In post-oxidation phenomena, rich air-fuel mixture is used inside cylinder and this rich excursion gives rise to the production of CO, THC, PM and H2 emissions. Then the scavenged O2 and emitted H2 play a key role for post-oxidation reaction (exothermic) with CO, THC and PM in exhaust manifold and in-turn can aid in increasing the temperature along with overcoming of decrease in temperature by heat absorption reaction. The actuation time delay of reaction was also investigated with emissions and temperature with fast response devices in transient mode.

AB - The detailed investigation of post-oxidation phenomena based on gas emissions, PM and gas temperature were performed on a turbocharged DISI engine. In post-oxidation phenomena, rich air-fuel mixture is used inside cylinder and this rich excursion gives rise to the production of CO, THC, PM and H2 emissions. Then the scavenged O2 and emitted H2 play a key role for post-oxidation reaction (exothermic) with CO, THC and PM in exhaust manifold and in-turn can aid in increasing the temperature along with overcoming of decrease in temperature by heat absorption reaction. The actuation time delay of reaction was also investigated with emissions and temperature with fast response devices in transient mode.

KW - Heat engine

KW - emissions

KW - gas temperature

KW - post-oxidation

KW - spark ignition engine

KW - transient response (A1)

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SN - 2185-0984

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JO - International Journal of Automotive Engineering

JF - International Journal of Automotive Engineering

IS - 4

ER -

Analysis of Post-oxidation Phenomena in a Turbocharged DISI Engine Focused on Gas and PM Emissions and Gas Temperature

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Keywords

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