LES/FGM investigation of ignition and flame structure in a gasoline partially premixed combustion engine
This paper presents a joint numerical and experimental study of the ignition process and flame structures in a gasoline partially premixed combustion (PPC) engine. The numerical simulation is based on a five-dimension Flamelet-Generated Manifold (5D-FGM) tabulation approach and large eddy simulation...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Xu, Leilei [verfasserIn] Zhang, Yan [verfasserIn] Tang, Qinglong [verfasserIn] Johansson, Bengt [verfasserIn] Yao, Mingfa [verfasserIn] Bai, Xue-Song [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2022 |
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| Schlagwörter: |
Partially premixed combustion (PPC) |
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| Übergeordnetes Werk: |
Enthalten in: Proceedings of the Combustion Institute - Combustion Institute ; ID: gnd/1004025-0, Amsterdam [u.a.] : Elsevier, 2000, 39, Seite 4851-4860 |
|---|---|
| Übergeordnetes Werk: |
volume:39 ; pages:4851-4860 |
| DOI / URN: |
10.1016/j.proci.2022.07.214 |
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| Katalog-ID: |
ELV010207171 |
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| 520 | |a This paper presents a joint numerical and experimental study of the ignition process and flame structures in a gasoline partially premixed combustion (PPC) engine. The numerical simulation is based on a five-dimension Flamelet-Generated Manifold (5D-FGM) tabulation approach and large eddy simulation (LES). The spray and combustion process in an optical PPC engine fueled with a primary reference fuel (70% iso-octane, 30% n-heptane by volume) are investigated using the combustion model along with laser diagnostic experiments. Different combustion modes, as well as the dominant chemical species and elementary reactions involved in the PPC engines, are identified and visualized using Chemical Explosive Mode Analysis (CEMA). The results from the LES-FGM model agree well with the experiments regarding the onset of ignition, peak heat release rate and in-cylinder pressure. The LES-FGM model performs even better than a finite-rate chemistry model that integrates the full-set of chemical kinetic mechanism in the simulation, given that the FGM model is computationally more efficient. The results show that the ignition mode plays a dominant role in the entire combustion process. The diffusion flame mode is identified in a thin layer between the ultra fuel-lean unburned mixture and the hot burned gas region that contains combustion intermediates such as CO. The diffusion flame mode contributes to a maximum of 27% of the total heat release in the later stage of combustion, and it becomes vital for the oxidation of relatively fuel-lean mixtures. | ||
| 650 | 4 | |a Partially premixed combustion (PPC) | |
| 650 | 4 | |a Combustion mode | |
| 650 | 4 | |a Flamelet-generated manifold (FGM) | |
| 650 | 4 | |a Large eddy simulation (LES) | |
| 650 | 4 | |a Chemical explosive mode analysis (CEMA) | |
| 700 | 1 | |a Zhang, Yan |e verfasserin |0 (orcid)0000-0001-7581-1674 |4 aut | |
| 700 | 1 | |a Tang, Qinglong |e verfasserin |0 (orcid)0000-0002-6949-8690 |4 aut | |
| 700 | 1 | |a Johansson, Bengt |e verfasserin |4 aut | |
| 700 | 1 | |a Yao, Mingfa |e verfasserin |4 aut | |
| 700 | 1 | |a Bai, Xue-Song |e verfasserin |4 aut | |
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10.1016/j.proci.2022.07.214 doi (DE-627)ELV010207171 (ELSEVIER)S1540-7489(22)00244-9 DE-627 ger DE-627 rda eng 660 VZ Xu, Leilei verfasserin (orcid)0000-0001-6074-2039 aut LES/FGM investigation of ignition and flame structure in a gasoline partially premixed combustion engine 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This paper presents a joint numerical and experimental study of the ignition process and flame structures in a gasoline partially premixed combustion (PPC) engine. The numerical simulation is based on a five-dimension Flamelet-Generated Manifold (5D-FGM) tabulation approach and large eddy simulation (LES). The spray and combustion process in an optical PPC engine fueled with a primary reference fuel (70% iso-octane, 30% n-heptane by volume) are investigated using the combustion model along with laser diagnostic experiments. Different combustion modes, as well as the dominant chemical species and elementary reactions involved in the PPC engines, are identified and visualized using Chemical Explosive Mode Analysis (CEMA). The results from the LES-FGM model agree well with the experiments regarding the onset of ignition, peak heat release rate and in-cylinder pressure. The LES-FGM model performs even better than a finite-rate chemistry model that integrates the full-set of chemical kinetic mechanism in the simulation, given that the FGM model is computationally more efficient. The results show that the ignition mode plays a dominant role in the entire combustion process. The diffusion flame mode is identified in a thin layer between the ultra fuel-lean unburned mixture and the hot burned gas region that contains combustion intermediates such as CO. The diffusion flame mode contributes to a maximum of 27% of the total heat release in the later stage of combustion, and it becomes vital for the oxidation of relatively fuel-lean mixtures. Partially premixed combustion (PPC) Combustion mode Flamelet-generated manifold (FGM) Large eddy simulation (LES) Chemical explosive mode analysis (CEMA) Zhang, Yan verfasserin (orcid)0000-0001-7581-1674 aut Tang, Qinglong verfasserin (orcid)0000-0002-6949-8690 aut Johansson, Bengt verfasserin aut Yao, Mingfa verfasserin aut Bai, Xue-Song verfasserin aut Enthalten in Combustion Institute ; ID: gnd/1004025-0 Proceedings of the Combustion Institute Amsterdam [u.a.] : Elsevier, 2000 39, Seite 4851-4860 Online-Ressource (DE-627)495741140 (DE-600)2197968-6 (DE-576)259486582 1873-2704 nnns volume:39 pages:4851-4860 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_31 GBV_ILN_63 GBV_ILN_95 GBV_ILN_150 GBV_ILN_2004 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2336 GBV_ILN_4251 AR 39 4851-4860 |
| spelling |
10.1016/j.proci.2022.07.214 doi (DE-627)ELV010207171 (ELSEVIER)S1540-7489(22)00244-9 DE-627 ger DE-627 rda eng 660 VZ Xu, Leilei verfasserin (orcid)0000-0001-6074-2039 aut LES/FGM investigation of ignition and flame structure in a gasoline partially premixed combustion engine 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This paper presents a joint numerical and experimental study of the ignition process and flame structures in a gasoline partially premixed combustion (PPC) engine. The numerical simulation is based on a five-dimension Flamelet-Generated Manifold (5D-FGM) tabulation approach and large eddy simulation (LES). The spray and combustion process in an optical PPC engine fueled with a primary reference fuel (70% iso-octane, 30% n-heptane by volume) are investigated using the combustion model along with laser diagnostic experiments. Different combustion modes, as well as the dominant chemical species and elementary reactions involved in the PPC engines, are identified and visualized using Chemical Explosive Mode Analysis (CEMA). The results from the LES-FGM model agree well with the experiments regarding the onset of ignition, peak heat release rate and in-cylinder pressure. The LES-FGM model performs even better than a finite-rate chemistry model that integrates the full-set of chemical kinetic mechanism in the simulation, given that the FGM model is computationally more efficient. The results show that the ignition mode plays a dominant role in the entire combustion process. The diffusion flame mode is identified in a thin layer between the ultra fuel-lean unburned mixture and the hot burned gas region that contains combustion intermediates such as CO. The diffusion flame mode contributes to a maximum of 27% of the total heat release in the later stage of combustion, and it becomes vital for the oxidation of relatively fuel-lean mixtures. Partially premixed combustion (PPC) Combustion mode Flamelet-generated manifold (FGM) Large eddy simulation (LES) Chemical explosive mode analysis (CEMA) Zhang, Yan verfasserin (orcid)0000-0001-7581-1674 aut Tang, Qinglong verfasserin (orcid)0000-0002-6949-8690 aut Johansson, Bengt verfasserin aut Yao, Mingfa verfasserin aut Bai, Xue-Song verfasserin aut Enthalten in Combustion Institute ; ID: gnd/1004025-0 Proceedings of the Combustion Institute Amsterdam [u.a.] : Elsevier, 2000 39, Seite 4851-4860 Online-Ressource (DE-627)495741140 (DE-600)2197968-6 (DE-576)259486582 1873-2704 nnns volume:39 pages:4851-4860 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_31 GBV_ILN_63 GBV_ILN_95 GBV_ILN_150 GBV_ILN_2004 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2336 GBV_ILN_4251 AR 39 4851-4860 |
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10.1016/j.proci.2022.07.214 doi (DE-627)ELV010207171 (ELSEVIER)S1540-7489(22)00244-9 DE-627 ger DE-627 rda eng 660 VZ Xu, Leilei verfasserin (orcid)0000-0001-6074-2039 aut LES/FGM investigation of ignition and flame structure in a gasoline partially premixed combustion engine 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This paper presents a joint numerical and experimental study of the ignition process and flame structures in a gasoline partially premixed combustion (PPC) engine. The numerical simulation is based on a five-dimension Flamelet-Generated Manifold (5D-FGM) tabulation approach and large eddy simulation (LES). The spray and combustion process in an optical PPC engine fueled with a primary reference fuel (70% iso-octane, 30% n-heptane by volume) are investigated using the combustion model along with laser diagnostic experiments. Different combustion modes, as well as the dominant chemical species and elementary reactions involved in the PPC engines, are identified and visualized using Chemical Explosive Mode Analysis (CEMA). The results from the LES-FGM model agree well with the experiments regarding the onset of ignition, peak heat release rate and in-cylinder pressure. The LES-FGM model performs even better than a finite-rate chemistry model that integrates the full-set of chemical kinetic mechanism in the simulation, given that the FGM model is computationally more efficient. The results show that the ignition mode plays a dominant role in the entire combustion process. The diffusion flame mode is identified in a thin layer between the ultra fuel-lean unburned mixture and the hot burned gas region that contains combustion intermediates such as CO. The diffusion flame mode contributes to a maximum of 27% of the total heat release in the later stage of combustion, and it becomes vital for the oxidation of relatively fuel-lean mixtures. Partially premixed combustion (PPC) Combustion mode Flamelet-generated manifold (FGM) Large eddy simulation (LES) Chemical explosive mode analysis (CEMA) Zhang, Yan verfasserin (orcid)0000-0001-7581-1674 aut Tang, Qinglong verfasserin (orcid)0000-0002-6949-8690 aut Johansson, Bengt verfasserin aut Yao, Mingfa verfasserin aut Bai, Xue-Song verfasserin aut Enthalten in Combustion Institute ; ID: gnd/1004025-0 Proceedings of the Combustion Institute Amsterdam [u.a.] : Elsevier, 2000 39, Seite 4851-4860 Online-Ressource (DE-627)495741140 (DE-600)2197968-6 (DE-576)259486582 1873-2704 nnns volume:39 pages:4851-4860 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_31 GBV_ILN_63 GBV_ILN_95 GBV_ILN_150 GBV_ILN_2004 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2336 GBV_ILN_4251 AR 39 4851-4860 |
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10.1016/j.proci.2022.07.214 doi (DE-627)ELV010207171 (ELSEVIER)S1540-7489(22)00244-9 DE-627 ger DE-627 rda eng 660 VZ Xu, Leilei verfasserin (orcid)0000-0001-6074-2039 aut LES/FGM investigation of ignition and flame structure in a gasoline partially premixed combustion engine 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This paper presents a joint numerical and experimental study of the ignition process and flame structures in a gasoline partially premixed combustion (PPC) engine. The numerical simulation is based on a five-dimension Flamelet-Generated Manifold (5D-FGM) tabulation approach and large eddy simulation (LES). The spray and combustion process in an optical PPC engine fueled with a primary reference fuel (70% iso-octane, 30% n-heptane by volume) are investigated using the combustion model along with laser diagnostic experiments. Different combustion modes, as well as the dominant chemical species and elementary reactions involved in the PPC engines, are identified and visualized using Chemical Explosive Mode Analysis (CEMA). The results from the LES-FGM model agree well with the experiments regarding the onset of ignition, peak heat release rate and in-cylinder pressure. The LES-FGM model performs even better than a finite-rate chemistry model that integrates the full-set of chemical kinetic mechanism in the simulation, given that the FGM model is computationally more efficient. The results show that the ignition mode plays a dominant role in the entire combustion process. The diffusion flame mode is identified in a thin layer between the ultra fuel-lean unburned mixture and the hot burned gas region that contains combustion intermediates such as CO. The diffusion flame mode contributes to a maximum of 27% of the total heat release in the later stage of combustion, and it becomes vital for the oxidation of relatively fuel-lean mixtures. Partially premixed combustion (PPC) Combustion mode Flamelet-generated manifold (FGM) Large eddy simulation (LES) Chemical explosive mode analysis (CEMA) Zhang, Yan verfasserin (orcid)0000-0001-7581-1674 aut Tang, Qinglong verfasserin (orcid)0000-0002-6949-8690 aut Johansson, Bengt verfasserin aut Yao, Mingfa verfasserin aut Bai, Xue-Song verfasserin aut Enthalten in Combustion Institute ; ID: gnd/1004025-0 Proceedings of the Combustion Institute Amsterdam [u.a.] : Elsevier, 2000 39, Seite 4851-4860 Online-Ressource (DE-627)495741140 (DE-600)2197968-6 (DE-576)259486582 1873-2704 nnns volume:39 pages:4851-4860 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_31 GBV_ILN_63 GBV_ILN_95 GBV_ILN_150 GBV_ILN_2004 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2336 GBV_ILN_4251 AR 39 4851-4860 |
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10.1016/j.proci.2022.07.214 doi (DE-627)ELV010207171 (ELSEVIER)S1540-7489(22)00244-9 DE-627 ger DE-627 rda eng 660 VZ Xu, Leilei verfasserin (orcid)0000-0001-6074-2039 aut LES/FGM investigation of ignition and flame structure in a gasoline partially premixed combustion engine 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This paper presents a joint numerical and experimental study of the ignition process and flame structures in a gasoline partially premixed combustion (PPC) engine. The numerical simulation is based on a five-dimension Flamelet-Generated Manifold (5D-FGM) tabulation approach and large eddy simulation (LES). The spray and combustion process in an optical PPC engine fueled with a primary reference fuel (70% iso-octane, 30% n-heptane by volume) are investigated using the combustion model along with laser diagnostic experiments. Different combustion modes, as well as the dominant chemical species and elementary reactions involved in the PPC engines, are identified and visualized using Chemical Explosive Mode Analysis (CEMA). The results from the LES-FGM model agree well with the experiments regarding the onset of ignition, peak heat release rate and in-cylinder pressure. The LES-FGM model performs even better than a finite-rate chemistry model that integrates the full-set of chemical kinetic mechanism in the simulation, given that the FGM model is computationally more efficient. The results show that the ignition mode plays a dominant role in the entire combustion process. The diffusion flame mode is identified in a thin layer between the ultra fuel-lean unburned mixture and the hot burned gas region that contains combustion intermediates such as CO. The diffusion flame mode contributes to a maximum of 27% of the total heat release in the later stage of combustion, and it becomes vital for the oxidation of relatively fuel-lean mixtures. Partially premixed combustion (PPC) Combustion mode Flamelet-generated manifold (FGM) Large eddy simulation (LES) Chemical explosive mode analysis (CEMA) Zhang, Yan verfasserin (orcid)0000-0001-7581-1674 aut Tang, Qinglong verfasserin (orcid)0000-0002-6949-8690 aut Johansson, Bengt verfasserin aut Yao, Mingfa verfasserin aut Bai, Xue-Song verfasserin aut Enthalten in Combustion Institute ; ID: gnd/1004025-0 Proceedings of the Combustion Institute Amsterdam [u.a.] : Elsevier, 2000 39, Seite 4851-4860 Online-Ressource (DE-627)495741140 (DE-600)2197968-6 (DE-576)259486582 1873-2704 nnns volume:39 pages:4851-4860 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_31 GBV_ILN_63 GBV_ILN_95 GBV_ILN_150 GBV_ILN_2004 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2336 GBV_ILN_4251 AR 39 4851-4860 |
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Enthalten in Proceedings of the Combustion Institute 39, Seite 4851-4860 volume:39 pages:4851-4860 |
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The numerical simulation is based on a five-dimension Flamelet-Generated Manifold (5D-FGM) tabulation approach and large eddy simulation (LES). The spray and combustion process in an optical PPC engine fueled with a primary reference fuel (70% iso-octane, 30% n-heptane by volume) are investigated using the combustion model along with laser diagnostic experiments. Different combustion modes, as well as the dominant chemical species and elementary reactions involved in the PPC engines, are identified and visualized using Chemical Explosive Mode Analysis (CEMA). The results from the LES-FGM model agree well with the experiments regarding the onset of ignition, peak heat release rate and in-cylinder pressure. The LES-FGM model performs even better than a finite-rate chemistry model that integrates the full-set of chemical kinetic mechanism in the simulation, given that the FGM model is computationally more efficient. The results show that the ignition mode plays a dominant role in the entire combustion process. The diffusion flame mode is identified in a thin layer between the ultra fuel-lean unburned mixture and the hot burned gas region that contains combustion intermediates such as CO. 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les/fgm investigation of ignition and flame structure in a gasoline partially premixed combustion engine |
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LES/FGM investigation of ignition and flame structure in a gasoline partially premixed combustion engine |
| abstract |
This paper presents a joint numerical and experimental study of the ignition process and flame structures in a gasoline partially premixed combustion (PPC) engine. The numerical simulation is based on a five-dimension Flamelet-Generated Manifold (5D-FGM) tabulation approach and large eddy simulation (LES). The spray and combustion process in an optical PPC engine fueled with a primary reference fuel (70% iso-octane, 30% n-heptane by volume) are investigated using the combustion model along with laser diagnostic experiments. Different combustion modes, as well as the dominant chemical species and elementary reactions involved in the PPC engines, are identified and visualized using Chemical Explosive Mode Analysis (CEMA). The results from the LES-FGM model agree well with the experiments regarding the onset of ignition, peak heat release rate and in-cylinder pressure. The LES-FGM model performs even better than a finite-rate chemistry model that integrates the full-set of chemical kinetic mechanism in the simulation, given that the FGM model is computationally more efficient. The results show that the ignition mode plays a dominant role in the entire combustion process. The diffusion flame mode is identified in a thin layer between the ultra fuel-lean unburned mixture and the hot burned gas region that contains combustion intermediates such as CO. The diffusion flame mode contributes to a maximum of 27% of the total heat release in the later stage of combustion, and it becomes vital for the oxidation of relatively fuel-lean mixtures. |
| abstractGer |
This paper presents a joint numerical and experimental study of the ignition process and flame structures in a gasoline partially premixed combustion (PPC) engine. The numerical simulation is based on a five-dimension Flamelet-Generated Manifold (5D-FGM) tabulation approach and large eddy simulation (LES). The spray and combustion process in an optical PPC engine fueled with a primary reference fuel (70% iso-octane, 30% n-heptane by volume) are investigated using the combustion model along with laser diagnostic experiments. Different combustion modes, as well as the dominant chemical species and elementary reactions involved in the PPC engines, are identified and visualized using Chemical Explosive Mode Analysis (CEMA). The results from the LES-FGM model agree well with the experiments regarding the onset of ignition, peak heat release rate and in-cylinder pressure. The LES-FGM model performs even better than a finite-rate chemistry model that integrates the full-set of chemical kinetic mechanism in the simulation, given that the FGM model is computationally more efficient. The results show that the ignition mode plays a dominant role in the entire combustion process. The diffusion flame mode is identified in a thin layer between the ultra fuel-lean unburned mixture and the hot burned gas region that contains combustion intermediates such as CO. The diffusion flame mode contributes to a maximum of 27% of the total heat release in the later stage of combustion, and it becomes vital for the oxidation of relatively fuel-lean mixtures. |
| abstract_unstemmed |
This paper presents a joint numerical and experimental study of the ignition process and flame structures in a gasoline partially premixed combustion (PPC) engine. The numerical simulation is based on a five-dimension Flamelet-Generated Manifold (5D-FGM) tabulation approach and large eddy simulation (LES). The spray and combustion process in an optical PPC engine fueled with a primary reference fuel (70% iso-octane, 30% n-heptane by volume) are investigated using the combustion model along with laser diagnostic experiments. Different combustion modes, as well as the dominant chemical species and elementary reactions involved in the PPC engines, are identified and visualized using Chemical Explosive Mode Analysis (CEMA). The results from the LES-FGM model agree well with the experiments regarding the onset of ignition, peak heat release rate and in-cylinder pressure. The LES-FGM model performs even better than a finite-rate chemistry model that integrates the full-set of chemical kinetic mechanism in the simulation, given that the FGM model is computationally more efficient. The results show that the ignition mode plays a dominant role in the entire combustion process. The diffusion flame mode is identified in a thin layer between the ultra fuel-lean unburned mixture and the hot burned gas region that contains combustion intermediates such as CO. The diffusion flame mode contributes to a maximum of 27% of the total heat release in the later stage of combustion, and it becomes vital for the oxidation of relatively fuel-lean mixtures. |
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LES/FGM investigation of ignition and flame structure in a gasoline partially premixed combustion engine |
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