Knocking characteristics of a high pressure direct injection natural gas engine operating in stratified combustion mode

Knocking becomes an increasingly important issue in direct injection natural gas engines with the application of new combustion modes. In this article, the knocking characteristics of natural gas engine operating in stratified combustion mode were studied with the aid of cylinder pressure oscillatio...

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Autores principales: Zhang Qiang, Yang Yubo, Jia Demin, Li Menghan
Formato: article
Lenguaje:EN
Publicado: De Gruyter 2021
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Acceso en línea:https://doaj.org/article/d4c54bc544da42ae9005fae4c1f31cbb
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spelling oai:doaj.org-article:d4c54bc544da42ae9005fae4c1f31cbb2021-12-05T14:11:02ZKnocking characteristics of a high pressure direct injection natural gas engine operating in stratified combustion mode2391-547110.1515/phys-2021-0064https://doaj.org/article/d4c54bc544da42ae9005fae4c1f31cbb2021-09-01T00:00:00Zhttps://doi.org/10.1515/phys-2021-0064https://doaj.org/toc/2391-5471Knocking becomes an increasingly important issue in direct injection natural gas engines with the application of new combustion modes. In this article, the knocking characteristics of natural gas engine operating in stratified combustion mode were studied with the aid of cylinder pressure oscillations and combustion parameters. The results indicated that knocking tendency will be stronger when operating in stratified combustion mode. The first to the fourth circumferential modes and the first radial mode are the featured modes for knocking behavior, while knocking is more serious when the duration of 10–50% of total energy released is shorter.Zhang QiangYang YuboJia DeminLi MenghanDe Gruyterarticleknockingnatural gas enginestratified combustion modepressure oscillationPhysicsQC1-999ENOpen Physics, Vol 19, Iss 1, Pp 534-538 (2021)
institution DOAJ
collection DOAJ
language EN
topic knocking
natural gas engine
stratified combustion mode
pressure oscillation
Physics
QC1-999
spellingShingle knocking
natural gas engine
stratified combustion mode
pressure oscillation
Physics
QC1-999
Zhang Qiang
Yang Yubo
Jia Demin
Li Menghan
Knocking characteristics of a high pressure direct injection natural gas engine operating in stratified combustion mode
description Knocking becomes an increasingly important issue in direct injection natural gas engines with the application of new combustion modes. In this article, the knocking characteristics of natural gas engine operating in stratified combustion mode were studied with the aid of cylinder pressure oscillations and combustion parameters. The results indicated that knocking tendency will be stronger when operating in stratified combustion mode. The first to the fourth circumferential modes and the first radial mode are the featured modes for knocking behavior, while knocking is more serious when the duration of 10–50% of total energy released is shorter.
format article
author Zhang Qiang
Yang Yubo
Jia Demin
Li Menghan
author_facet Zhang Qiang
Yang Yubo
Jia Demin
Li Menghan
author_sort Zhang Qiang
title Knocking characteristics of a high pressure direct injection natural gas engine operating in stratified combustion mode
title_short Knocking characteristics of a high pressure direct injection natural gas engine operating in stratified combustion mode
title_full Knocking characteristics of a high pressure direct injection natural gas engine operating in stratified combustion mode
title_fullStr Knocking characteristics of a high pressure direct injection natural gas engine operating in stratified combustion mode
title_full_unstemmed Knocking characteristics of a high pressure direct injection natural gas engine operating in stratified combustion mode
title_sort knocking characteristics of a high pressure direct injection natural gas engine operating in stratified combustion mode
publisher De Gruyter
publishDate 2021
url https://doaj.org/article/d4c54bc544da42ae9005fae4c1f31cbb
work_keys_str_mv AT zhangqiang knockingcharacteristicsofahighpressuredirectinjectionnaturalgasengineoperatinginstratifiedcombustionmode
AT yangyubo knockingcharacteristicsofahighpressuredirectinjectionnaturalgasengineoperatinginstratifiedcombustionmode
AT jiademin knockingcharacteristicsofahighpressuredirectinjectionnaturalgasengineoperatinginstratifiedcombustionmode
AT limenghan knockingcharacteristicsofahighpressuredirectinjectionnaturalgasengineoperatinginstratifiedcombustionmode
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