Numerical Simulation Study on the Effect of Port Water Injector Position on the Gasoline Direct Injection Engine
This paper explores the effects of six different cases of port water injection on the combustion, knock suppression and emissions of a supercharged gasoline direct injection (GDI) engine through numerical simulation. The six different intake port water injection cases included three vertical distanc...
Ausführliche Beschreibung
Autor*in: |
Zhongjie Zhang [verfasserIn] Xuejiao Dai [verfasserIn] Zhaolei Zheng [verfasserIn] |
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E-Artikel |
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Englisch |
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2022 |
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In: Processes - MDPI AG, 2013, 10(2022), 1909, p 1909 |
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Übergeordnetes Werk: |
volume:10 ; year:2022 ; number:1909, p 1909 |
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DOI / URN: |
10.3390/pr10101909 |
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Katalog-ID: |
DOAJ002228106 |
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520 | |a This paper explores the effects of six different cases of port water injection on the combustion, knock suppression and emissions of a supercharged gasoline direct injection (GDI) engine through numerical simulation. The six different intake port water injection cases included three vertical distances from cylinder center to water injector and two different injection directions. The results showed that cases 2 and 4 allowed more water and air to enter the cylinder and thus suppressed the knock, so the pressure oscillation was small. Case 2 had the largest turbulent kinetic energy in the center of the cylinder, which in turn facilitated the propagation of flame to the cylinder wall and suppressed the knock. The water injection cases shortened the combustion delay period compared to the no water cases. At the same time, the strong low temperature reaction of the end mixture produced a large amount of CH<sub<2</sub<O that decomposed into HCO. A high concentration and a large area of HCO distribution can predict the occurrence of a knock. In addition, the water injection cases (except for case 6) reduced the in-cylinder soot, unburned hydrocarbon (UHC) and CO emissions compared to the no water cases, but it increased NO<sub<X</sub< emissions. | ||
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10.3390/pr10101909 doi (DE-627)DOAJ002228106 (DE-599)DOAJf79c98e5acd841a2a5de016e3ed853ce DE-627 ger DE-627 rakwb eng TP1-1185 QD1-999 Zhongjie Zhang verfasserin aut Numerical Simulation Study on the Effect of Port Water Injector Position on the Gasoline Direct Injection Engine 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This paper explores the effects of six different cases of port water injection on the combustion, knock suppression and emissions of a supercharged gasoline direct injection (GDI) engine through numerical simulation. The six different intake port water injection cases included three vertical distances from cylinder center to water injector and two different injection directions. The results showed that cases 2 and 4 allowed more water and air to enter the cylinder and thus suppressed the knock, so the pressure oscillation was small. Case 2 had the largest turbulent kinetic energy in the center of the cylinder, which in turn facilitated the propagation of flame to the cylinder wall and suppressed the knock. The water injection cases shortened the combustion delay period compared to the no water cases. At the same time, the strong low temperature reaction of the end mixture produced a large amount of CH<sub<2</sub<O that decomposed into HCO. A high concentration and a large area of HCO distribution can predict the occurrence of a knock. In addition, the water injection cases (except for case 6) reduced the in-cylinder soot, unburned hydrocarbon (UHC) and CO emissions compared to the no water cases, but it increased NO<sub<X</sub< emissions. gasoline direct injection engine port water injection knock combustion Chemical technology Chemistry Xuejiao Dai verfasserin aut Zhaolei Zheng verfasserin aut In Processes MDPI AG, 2013 10(2022), 1909, p 1909 (DE-627)750371439 (DE-600)2720994-5 22279717 nnns volume:10 year:2022 number:1909, p 1909 https://doi.org/10.3390/pr10101909 kostenfrei https://doaj.org/article/f79c98e5acd841a2a5de016e3ed853ce kostenfrei https://www.mdpi.com/2227-9717/10/10/1909 kostenfrei https://doaj.org/toc/2227-9717 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 10 2022 1909, p 1909 |
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10.3390/pr10101909 doi (DE-627)DOAJ002228106 (DE-599)DOAJf79c98e5acd841a2a5de016e3ed853ce DE-627 ger DE-627 rakwb eng TP1-1185 QD1-999 Zhongjie Zhang verfasserin aut Numerical Simulation Study on the Effect of Port Water Injector Position on the Gasoline Direct Injection Engine 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This paper explores the effects of six different cases of port water injection on the combustion, knock suppression and emissions of a supercharged gasoline direct injection (GDI) engine through numerical simulation. The six different intake port water injection cases included three vertical distances from cylinder center to water injector and two different injection directions. The results showed that cases 2 and 4 allowed more water and air to enter the cylinder and thus suppressed the knock, so the pressure oscillation was small. Case 2 had the largest turbulent kinetic energy in the center of the cylinder, which in turn facilitated the propagation of flame to the cylinder wall and suppressed the knock. The water injection cases shortened the combustion delay period compared to the no water cases. At the same time, the strong low temperature reaction of the end mixture produced a large amount of CH<sub<2</sub<O that decomposed into HCO. A high concentration and a large area of HCO distribution can predict the occurrence of a knock. In addition, the water injection cases (except for case 6) reduced the in-cylinder soot, unburned hydrocarbon (UHC) and CO emissions compared to the no water cases, but it increased NO<sub<X</sub< emissions. gasoline direct injection engine port water injection knock combustion Chemical technology Chemistry Xuejiao Dai verfasserin aut Zhaolei Zheng verfasserin aut In Processes MDPI AG, 2013 10(2022), 1909, p 1909 (DE-627)750371439 (DE-600)2720994-5 22279717 nnns volume:10 year:2022 number:1909, p 1909 https://doi.org/10.3390/pr10101909 kostenfrei https://doaj.org/article/f79c98e5acd841a2a5de016e3ed853ce kostenfrei https://www.mdpi.com/2227-9717/10/10/1909 kostenfrei https://doaj.org/toc/2227-9717 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 10 2022 1909, p 1909 |
allfields_unstemmed |
10.3390/pr10101909 doi (DE-627)DOAJ002228106 (DE-599)DOAJf79c98e5acd841a2a5de016e3ed853ce DE-627 ger DE-627 rakwb eng TP1-1185 QD1-999 Zhongjie Zhang verfasserin aut Numerical Simulation Study on the Effect of Port Water Injector Position on the Gasoline Direct Injection Engine 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This paper explores the effects of six different cases of port water injection on the combustion, knock suppression and emissions of a supercharged gasoline direct injection (GDI) engine through numerical simulation. The six different intake port water injection cases included three vertical distances from cylinder center to water injector and two different injection directions. The results showed that cases 2 and 4 allowed more water and air to enter the cylinder and thus suppressed the knock, so the pressure oscillation was small. Case 2 had the largest turbulent kinetic energy in the center of the cylinder, which in turn facilitated the propagation of flame to the cylinder wall and suppressed the knock. The water injection cases shortened the combustion delay period compared to the no water cases. At the same time, the strong low temperature reaction of the end mixture produced a large amount of CH<sub<2</sub<O that decomposed into HCO. A high concentration and a large area of HCO distribution can predict the occurrence of a knock. In addition, the water injection cases (except for case 6) reduced the in-cylinder soot, unburned hydrocarbon (UHC) and CO emissions compared to the no water cases, but it increased NO<sub<X</sub< emissions. gasoline direct injection engine port water injection knock combustion Chemical technology Chemistry Xuejiao Dai verfasserin aut Zhaolei Zheng verfasserin aut In Processes MDPI AG, 2013 10(2022), 1909, p 1909 (DE-627)750371439 (DE-600)2720994-5 22279717 nnns volume:10 year:2022 number:1909, p 1909 https://doi.org/10.3390/pr10101909 kostenfrei https://doaj.org/article/f79c98e5acd841a2a5de016e3ed853ce kostenfrei https://www.mdpi.com/2227-9717/10/10/1909 kostenfrei https://doaj.org/toc/2227-9717 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 10 2022 1909, p 1909 |
allfieldsGer |
10.3390/pr10101909 doi (DE-627)DOAJ002228106 (DE-599)DOAJf79c98e5acd841a2a5de016e3ed853ce DE-627 ger DE-627 rakwb eng TP1-1185 QD1-999 Zhongjie Zhang verfasserin aut Numerical Simulation Study on the Effect of Port Water Injector Position on the Gasoline Direct Injection Engine 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This paper explores the effects of six different cases of port water injection on the combustion, knock suppression and emissions of a supercharged gasoline direct injection (GDI) engine through numerical simulation. The six different intake port water injection cases included three vertical distances from cylinder center to water injector and two different injection directions. The results showed that cases 2 and 4 allowed more water and air to enter the cylinder and thus suppressed the knock, so the pressure oscillation was small. Case 2 had the largest turbulent kinetic energy in the center of the cylinder, which in turn facilitated the propagation of flame to the cylinder wall and suppressed the knock. The water injection cases shortened the combustion delay period compared to the no water cases. At the same time, the strong low temperature reaction of the end mixture produced a large amount of CH<sub<2</sub<O that decomposed into HCO. A high concentration and a large area of HCO distribution can predict the occurrence of a knock. In addition, the water injection cases (except for case 6) reduced the in-cylinder soot, unburned hydrocarbon (UHC) and CO emissions compared to the no water cases, but it increased NO<sub<X</sub< emissions. gasoline direct injection engine port water injection knock combustion Chemical technology Chemistry Xuejiao Dai verfasserin aut Zhaolei Zheng verfasserin aut In Processes MDPI AG, 2013 10(2022), 1909, p 1909 (DE-627)750371439 (DE-600)2720994-5 22279717 nnns volume:10 year:2022 number:1909, p 1909 https://doi.org/10.3390/pr10101909 kostenfrei https://doaj.org/article/f79c98e5acd841a2a5de016e3ed853ce kostenfrei https://www.mdpi.com/2227-9717/10/10/1909 kostenfrei https://doaj.org/toc/2227-9717 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 10 2022 1909, p 1909 |
allfieldsSound |
10.3390/pr10101909 doi (DE-627)DOAJ002228106 (DE-599)DOAJf79c98e5acd841a2a5de016e3ed853ce DE-627 ger DE-627 rakwb eng TP1-1185 QD1-999 Zhongjie Zhang verfasserin aut Numerical Simulation Study on the Effect of Port Water Injector Position on the Gasoline Direct Injection Engine 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This paper explores the effects of six different cases of port water injection on the combustion, knock suppression and emissions of a supercharged gasoline direct injection (GDI) engine through numerical simulation. The six different intake port water injection cases included three vertical distances from cylinder center to water injector and two different injection directions. The results showed that cases 2 and 4 allowed more water and air to enter the cylinder and thus suppressed the knock, so the pressure oscillation was small. Case 2 had the largest turbulent kinetic energy in the center of the cylinder, which in turn facilitated the propagation of flame to the cylinder wall and suppressed the knock. The water injection cases shortened the combustion delay period compared to the no water cases. At the same time, the strong low temperature reaction of the end mixture produced a large amount of CH<sub<2</sub<O that decomposed into HCO. A high concentration and a large area of HCO distribution can predict the occurrence of a knock. In addition, the water injection cases (except for case 6) reduced the in-cylinder soot, unburned hydrocarbon (UHC) and CO emissions compared to the no water cases, but it increased NO<sub<X</sub< emissions. gasoline direct injection engine port water injection knock combustion Chemical technology Chemistry Xuejiao Dai verfasserin aut Zhaolei Zheng verfasserin aut In Processes MDPI AG, 2013 10(2022), 1909, p 1909 (DE-627)750371439 (DE-600)2720994-5 22279717 nnns volume:10 year:2022 number:1909, p 1909 https://doi.org/10.3390/pr10101909 kostenfrei https://doaj.org/article/f79c98e5acd841a2a5de016e3ed853ce kostenfrei https://www.mdpi.com/2227-9717/10/10/1909 kostenfrei https://doaj.org/toc/2227-9717 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 10 2022 1909, p 1909 |
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The six different intake port water injection cases included three vertical distances from cylinder center to water injector and two different injection directions. The results showed that cases 2 and 4 allowed more water and air to enter the cylinder and thus suppressed the knock, so the pressure oscillation was small. Case 2 had the largest turbulent kinetic energy in the center of the cylinder, which in turn facilitated the propagation of flame to the cylinder wall and suppressed the knock. The water injection cases shortened the combustion delay period compared to the no water cases. At the same time, the strong low temperature reaction of the end mixture produced a large amount of CH<sub<2</sub<O that decomposed into HCO. A high concentration and a large area of HCO distribution can predict the occurrence of a knock. 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Numerical Simulation Study on the Effect of Port Water Injector Position on the Gasoline Direct Injection Engine |
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This paper explores the effects of six different cases of port water injection on the combustion, knock suppression and emissions of a supercharged gasoline direct injection (GDI) engine through numerical simulation. The six different intake port water injection cases included three vertical distances from cylinder center to water injector and two different injection directions. The results showed that cases 2 and 4 allowed more water and air to enter the cylinder and thus suppressed the knock, so the pressure oscillation was small. Case 2 had the largest turbulent kinetic energy in the center of the cylinder, which in turn facilitated the propagation of flame to the cylinder wall and suppressed the knock. The water injection cases shortened the combustion delay period compared to the no water cases. At the same time, the strong low temperature reaction of the end mixture produced a large amount of CH<sub<2</sub<O that decomposed into HCO. A high concentration and a large area of HCO distribution can predict the occurrence of a knock. In addition, the water injection cases (except for case 6) reduced the in-cylinder soot, unburned hydrocarbon (UHC) and CO emissions compared to the no water cases, but it increased NO<sub<X</sub< emissions. |
abstractGer |
This paper explores the effects of six different cases of port water injection on the combustion, knock suppression and emissions of a supercharged gasoline direct injection (GDI) engine through numerical simulation. The six different intake port water injection cases included three vertical distances from cylinder center to water injector and two different injection directions. The results showed that cases 2 and 4 allowed more water and air to enter the cylinder and thus suppressed the knock, so the pressure oscillation was small. Case 2 had the largest turbulent kinetic energy in the center of the cylinder, which in turn facilitated the propagation of flame to the cylinder wall and suppressed the knock. The water injection cases shortened the combustion delay period compared to the no water cases. At the same time, the strong low temperature reaction of the end mixture produced a large amount of CH<sub<2</sub<O that decomposed into HCO. A high concentration and a large area of HCO distribution can predict the occurrence of a knock. In addition, the water injection cases (except for case 6) reduced the in-cylinder soot, unburned hydrocarbon (UHC) and CO emissions compared to the no water cases, but it increased NO<sub<X</sub< emissions. |
abstract_unstemmed |
This paper explores the effects of six different cases of port water injection on the combustion, knock suppression and emissions of a supercharged gasoline direct injection (GDI) engine through numerical simulation. The six different intake port water injection cases included three vertical distances from cylinder center to water injector and two different injection directions. The results showed that cases 2 and 4 allowed more water and air to enter the cylinder and thus suppressed the knock, so the pressure oscillation was small. Case 2 had the largest turbulent kinetic energy in the center of the cylinder, which in turn facilitated the propagation of flame to the cylinder wall and suppressed the knock. The water injection cases shortened the combustion delay period compared to the no water cases. At the same time, the strong low temperature reaction of the end mixture produced a large amount of CH<sub<2</sub<O that decomposed into HCO. A high concentration and a large area of HCO distribution can predict the occurrence of a knock. In addition, the water injection cases (except for case 6) reduced the in-cylinder soot, unburned hydrocarbon (UHC) and CO emissions compared to the no water cases, but it increased NO<sub<X</sub< emissions. |
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Numerical Simulation Study on the Effect of Port Water Injector Position on the Gasoline Direct Injection Engine |
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