Ignition modes of a cavity-based scramjet combustor by a gliding arc plasma
A gliding arc discharge was employed to ignite an ethylene-fueled scramjet combustor with an inflow speed of Ma = 2.92. Flame chemiluminescence and Schlieren photography were recorded simultaneously with CH∗ emission images and discharge waveforms for showing the ignition characteristics in the cavi...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Feng, Rong [verfasserIn] Zhu, Jiajian [verfasserIn] Wang, Zhenguo [verfasserIn] Sun, Mingbo [verfasserIn] Wang, Hongbo [verfasserIn] Cai, Zun [verfasserIn] An, Bin [verfasserIn] Li, Liang [verfasserIn] |
|---|
| Format: |
E-Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
2020 |
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| Schlagwörter: |
Energie / Energieökonomik / Energietechnik / Energiemanagement / Energieforschung |
|---|---|
| Schlagwörter: |
| Übergeordnetes Werk: |
Enthalten in: Energy - Amsterdam [u.a.] : Elsevier Science, 1976, 214 |
|---|---|
| Übergeordnetes Werk: |
volume:214 |
| DOI / URN: |
10.1016/j.energy.2020.118875 |
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| Katalog-ID: |
ELV005117860 |
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| 245 | 1 | 0 | |a Ignition modes of a cavity-based scramjet combustor by a gliding arc plasma |
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| 520 | |a A gliding arc discharge was employed to ignite an ethylene-fueled scramjet combustor with an inflow speed of Ma = 2.92. Flame chemiluminescence and Schlieren photography were recorded simultaneously with CH∗ emission images and discharge waveforms for showing the ignition characteristics in the cavity. The direct ignition mode and the re-ignition mode can be identified. In the direct ignition mode, the initial flame can be directly ignited. In the re-ignition mode, the flame kernel is unable to form an initial flame in the early stage of the ignition process, which can be found from the quenching CH∗ emission of the flame kernel. The CH∗ emission can be seen again although its quenching lasts for ∼700 μs and the re-ignition of the initial flame can be developed to further establish a cavity-stabilized flame. Local equivalence ratio, the instantaneous power of the gliding arc, the area of the flame kernel, and the moving trail of the flame play important roles in determining the ignition modes of the scramjet combustor. The re-ignition mode is more likely to be observed in the local fuel-lean environment and exhibits a longer flame propagation time (1.6 times) and a smaller flame kernel (15%) than those of the direct ignition mode. | ||
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| 650 | 4 | |a Gliding arc discharge | |
| 650 | 4 | |a Scramjet combustor | |
| 650 | 4 | |a Ignition modes | |
| 650 | 4 | |a Plasma-assisted ignition | |
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| 700 | 1 | |a An, Bin |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Liang |e verfasserin |4 aut | |
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10.1016/j.energy.2020.118875 doi (DE-627)ELV005117860 (ELSEVIER)S0360-5442(20)31982-4 DE-627 ger DE-627 rda eng 600 DE-600 50.70 bkl Feng, Rong verfasserin aut Ignition modes of a cavity-based scramjet combustor by a gliding arc plasma 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A gliding arc discharge was employed to ignite an ethylene-fueled scramjet combustor with an inflow speed of Ma = 2.92. Flame chemiluminescence and Schlieren photography were recorded simultaneously with CH∗ emission images and discharge waveforms for showing the ignition characteristics in the cavity. The direct ignition mode and the re-ignition mode can be identified. In the direct ignition mode, the initial flame can be directly ignited. In the re-ignition mode, the flame kernel is unable to form an initial flame in the early stage of the ignition process, which can be found from the quenching CH∗ emission of the flame kernel. The CH∗ emission can be seen again although its quenching lasts for ∼700 μs and the re-ignition of the initial flame can be developed to further establish a cavity-stabilized flame. Local equivalence ratio, the instantaneous power of the gliding arc, the area of the flame kernel, and the moving trail of the flame play important roles in determining the ignition modes of the scramjet combustor. The re-ignition mode is more likely to be observed in the local fuel-lean environment and exhibits a longer flame propagation time (1.6 times) and a smaller flame kernel (15%) than those of the direct ignition mode. 1.1\x Energie (DE-2867)14175-2 stw 1.2\x Energieökonomik (DE-2867)18350-4 stw 1.3\x Energietechnik (DE-2867)18353-5 stw 1.4\x Energiemanagement (DE-2867)18349-3 stw 1.5\x Energieforschung (DE-2867)18348-5 stw Gliding arc discharge Scramjet combustor Ignition modes Plasma-assisted ignition Cavity Zhu, Jiajian verfasserin aut Wang, Zhenguo verfasserin aut Sun, Mingbo verfasserin aut Wang, Hongbo verfasserin aut Cai, Zun verfasserin aut An, Bin verfasserin aut Li, Liang verfasserin aut Enthalten in Energy Amsterdam [u.a.] : Elsevier Science, 1976 214 Online-Ressource (DE-627)320597903 (DE-600)2019804-8 (DE-576)116451815 1873-6785 nnns volume:214 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.70 Energie: Allgemeines AR 214 |
| spelling |
10.1016/j.energy.2020.118875 doi (DE-627)ELV005117860 (ELSEVIER)S0360-5442(20)31982-4 DE-627 ger DE-627 rda eng 600 DE-600 50.70 bkl Feng, Rong verfasserin aut Ignition modes of a cavity-based scramjet combustor by a gliding arc plasma 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A gliding arc discharge was employed to ignite an ethylene-fueled scramjet combustor with an inflow speed of Ma = 2.92. Flame chemiluminescence and Schlieren photography were recorded simultaneously with CH∗ emission images and discharge waveforms for showing the ignition characteristics in the cavity. The direct ignition mode and the re-ignition mode can be identified. In the direct ignition mode, the initial flame can be directly ignited. In the re-ignition mode, the flame kernel is unable to form an initial flame in the early stage of the ignition process, which can be found from the quenching CH∗ emission of the flame kernel. The CH∗ emission can be seen again although its quenching lasts for ∼700 μs and the re-ignition of the initial flame can be developed to further establish a cavity-stabilized flame. Local equivalence ratio, the instantaneous power of the gliding arc, the area of the flame kernel, and the moving trail of the flame play important roles in determining the ignition modes of the scramjet combustor. The re-ignition mode is more likely to be observed in the local fuel-lean environment and exhibits a longer flame propagation time (1.6 times) and a smaller flame kernel (15%) than those of the direct ignition mode. 1.1\x Energie (DE-2867)14175-2 stw 1.2\x Energieökonomik (DE-2867)18350-4 stw 1.3\x Energietechnik (DE-2867)18353-5 stw 1.4\x Energiemanagement (DE-2867)18349-3 stw 1.5\x Energieforschung (DE-2867)18348-5 stw Gliding arc discharge Scramjet combustor Ignition modes Plasma-assisted ignition Cavity Zhu, Jiajian verfasserin aut Wang, Zhenguo verfasserin aut Sun, Mingbo verfasserin aut Wang, Hongbo verfasserin aut Cai, Zun verfasserin aut An, Bin verfasserin aut Li, Liang verfasserin aut Enthalten in Energy Amsterdam [u.a.] : Elsevier Science, 1976 214 Online-Ressource (DE-627)320597903 (DE-600)2019804-8 (DE-576)116451815 1873-6785 nnns volume:214 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.70 Energie: Allgemeines AR 214 |
| allfields_unstemmed |
10.1016/j.energy.2020.118875 doi (DE-627)ELV005117860 (ELSEVIER)S0360-5442(20)31982-4 DE-627 ger DE-627 rda eng 600 DE-600 50.70 bkl Feng, Rong verfasserin aut Ignition modes of a cavity-based scramjet combustor by a gliding arc plasma 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A gliding arc discharge was employed to ignite an ethylene-fueled scramjet combustor with an inflow speed of Ma = 2.92. Flame chemiluminescence and Schlieren photography were recorded simultaneously with CH∗ emission images and discharge waveforms for showing the ignition characteristics in the cavity. The direct ignition mode and the re-ignition mode can be identified. In the direct ignition mode, the initial flame can be directly ignited. In the re-ignition mode, the flame kernel is unable to form an initial flame in the early stage of the ignition process, which can be found from the quenching CH∗ emission of the flame kernel. The CH∗ emission can be seen again although its quenching lasts for ∼700 μs and the re-ignition of the initial flame can be developed to further establish a cavity-stabilized flame. Local equivalence ratio, the instantaneous power of the gliding arc, the area of the flame kernel, and the moving trail of the flame play important roles in determining the ignition modes of the scramjet combustor. The re-ignition mode is more likely to be observed in the local fuel-lean environment and exhibits a longer flame propagation time (1.6 times) and a smaller flame kernel (15%) than those of the direct ignition mode. 1.1\x Energie (DE-2867)14175-2 stw 1.2\x Energieökonomik (DE-2867)18350-4 stw 1.3\x Energietechnik (DE-2867)18353-5 stw 1.4\x Energiemanagement (DE-2867)18349-3 stw 1.5\x Energieforschung (DE-2867)18348-5 stw Gliding arc discharge Scramjet combustor Ignition modes Plasma-assisted ignition Cavity Zhu, Jiajian verfasserin aut Wang, Zhenguo verfasserin aut Sun, Mingbo verfasserin aut Wang, Hongbo verfasserin aut Cai, Zun verfasserin aut An, Bin verfasserin aut Li, Liang verfasserin aut Enthalten in Energy Amsterdam [u.a.] : Elsevier Science, 1976 214 Online-Ressource (DE-627)320597903 (DE-600)2019804-8 (DE-576)116451815 1873-6785 nnns volume:214 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.70 Energie: Allgemeines AR 214 |
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10.1016/j.energy.2020.118875 doi (DE-627)ELV005117860 (ELSEVIER)S0360-5442(20)31982-4 DE-627 ger DE-627 rda eng 600 DE-600 50.70 bkl Feng, Rong verfasserin aut Ignition modes of a cavity-based scramjet combustor by a gliding arc plasma 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A gliding arc discharge was employed to ignite an ethylene-fueled scramjet combustor with an inflow speed of Ma = 2.92. Flame chemiluminescence and Schlieren photography were recorded simultaneously with CH∗ emission images and discharge waveforms for showing the ignition characteristics in the cavity. The direct ignition mode and the re-ignition mode can be identified. In the direct ignition mode, the initial flame can be directly ignited. In the re-ignition mode, the flame kernel is unable to form an initial flame in the early stage of the ignition process, which can be found from the quenching CH∗ emission of the flame kernel. The CH∗ emission can be seen again although its quenching lasts for ∼700 μs and the re-ignition of the initial flame can be developed to further establish a cavity-stabilized flame. Local equivalence ratio, the instantaneous power of the gliding arc, the area of the flame kernel, and the moving trail of the flame play important roles in determining the ignition modes of the scramjet combustor. The re-ignition mode is more likely to be observed in the local fuel-lean environment and exhibits a longer flame propagation time (1.6 times) and a smaller flame kernel (15%) than those of the direct ignition mode. 1.1\x Energie (DE-2867)14175-2 stw 1.2\x Energieökonomik (DE-2867)18350-4 stw 1.3\x Energietechnik (DE-2867)18353-5 stw 1.4\x Energiemanagement (DE-2867)18349-3 stw 1.5\x Energieforschung (DE-2867)18348-5 stw Gliding arc discharge Scramjet combustor Ignition modes Plasma-assisted ignition Cavity Zhu, Jiajian verfasserin aut Wang, Zhenguo verfasserin aut Sun, Mingbo verfasserin aut Wang, Hongbo verfasserin aut Cai, Zun verfasserin aut An, Bin verfasserin aut Li, Liang verfasserin aut Enthalten in Energy Amsterdam [u.a.] : Elsevier Science, 1976 214 Online-Ressource (DE-627)320597903 (DE-600)2019804-8 (DE-576)116451815 1873-6785 nnns volume:214 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.70 Energie: Allgemeines AR 214 |
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10.1016/j.energy.2020.118875 doi (DE-627)ELV005117860 (ELSEVIER)S0360-5442(20)31982-4 DE-627 ger DE-627 rda eng 600 DE-600 50.70 bkl Feng, Rong verfasserin aut Ignition modes of a cavity-based scramjet combustor by a gliding arc plasma 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A gliding arc discharge was employed to ignite an ethylene-fueled scramjet combustor with an inflow speed of Ma = 2.92. Flame chemiluminescence and Schlieren photography were recorded simultaneously with CH∗ emission images and discharge waveforms for showing the ignition characteristics in the cavity. The direct ignition mode and the re-ignition mode can be identified. In the direct ignition mode, the initial flame can be directly ignited. In the re-ignition mode, the flame kernel is unable to form an initial flame in the early stage of the ignition process, which can be found from the quenching CH∗ emission of the flame kernel. The CH∗ emission can be seen again although its quenching lasts for ∼700 μs and the re-ignition of the initial flame can be developed to further establish a cavity-stabilized flame. Local equivalence ratio, the instantaneous power of the gliding arc, the area of the flame kernel, and the moving trail of the flame play important roles in determining the ignition modes of the scramjet combustor. The re-ignition mode is more likely to be observed in the local fuel-lean environment and exhibits a longer flame propagation time (1.6 times) and a smaller flame kernel (15%) than those of the direct ignition mode. 1.1\x Energie (DE-2867)14175-2 stw 1.2\x Energieökonomik (DE-2867)18350-4 stw 1.3\x Energietechnik (DE-2867)18353-5 stw 1.4\x Energiemanagement (DE-2867)18349-3 stw 1.5\x Energieforschung (DE-2867)18348-5 stw Gliding arc discharge Scramjet combustor Ignition modes Plasma-assisted ignition Cavity Zhu, Jiajian verfasserin aut Wang, Zhenguo verfasserin aut Sun, Mingbo verfasserin aut Wang, Hongbo verfasserin aut Cai, Zun verfasserin aut An, Bin verfasserin aut Li, Liang verfasserin aut Enthalten in Energy Amsterdam [u.a.] : Elsevier Science, 1976 214 Online-Ressource (DE-627)320597903 (DE-600)2019804-8 (DE-576)116451815 1873-6785 nnns volume:214 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.70 Energie: Allgemeines AR 214 |
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Energie Energieökonomik Energietechnik Energiemanagement Energieforschung Gliding arc discharge Scramjet combustor Ignition modes Plasma-assisted ignition Cavity |
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Feng, Rong @@aut@@ Zhu, Jiajian @@aut@@ Wang, Zhenguo @@aut@@ Sun, Mingbo @@aut@@ Wang, Hongbo @@aut@@ Cai, Zun @@aut@@ An, Bin @@aut@@ Li, Liang @@aut@@ |
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2020-01-01T00:00:00Z |
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Feng, Rong ddc 600 bkl 50.70 stw Energie stw Energieökonomik stw Energietechnik stw Energiemanagement stw Energieforschung misc Gliding arc discharge misc Scramjet combustor misc Ignition modes misc Plasma-assisted ignition misc Cavity Ignition modes of a cavity-based scramjet combustor by a gliding arc plasma |
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600 DE-600 50.70 bkl Ignition modes of a cavity-based scramjet combustor by a gliding arc plasma 1.1\x Energie (DE-2867)14175-2 stw 1.2\x Energieökonomik (DE-2867)18350-4 stw 1.3\x Energietechnik (DE-2867)18353-5 stw 1.4\x Energiemanagement (DE-2867)18349-3 stw 1.5\x Energieforschung (DE-2867)18348-5 stw Gliding arc discharge Scramjet combustor Ignition modes Plasma-assisted ignition Cavity |
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ddc 600 bkl 50.70 stw Energie stw Energieökonomik stw Energietechnik stw Energiemanagement stw Energieforschung misc Gliding arc discharge misc Scramjet combustor misc Ignition modes misc Plasma-assisted ignition misc Cavity |
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ddc 600 bkl 50.70 stw Energie stw Energieökonomik stw Energietechnik stw Energiemanagement stw Energieforschung misc Gliding arc discharge misc Scramjet combustor misc Ignition modes misc Plasma-assisted ignition misc Cavity |
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Ignition modes of a cavity-based scramjet combustor by a gliding arc plasma |
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ignition modes of a cavity-based scramjet combustor by a gliding arc plasma |
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Ignition modes of a cavity-based scramjet combustor by a gliding arc plasma |
| abstract |
A gliding arc discharge was employed to ignite an ethylene-fueled scramjet combustor with an inflow speed of Ma = 2.92. Flame chemiluminescence and Schlieren photography were recorded simultaneously with CH∗ emission images and discharge waveforms for showing the ignition characteristics in the cavity. The direct ignition mode and the re-ignition mode can be identified. In the direct ignition mode, the initial flame can be directly ignited. In the re-ignition mode, the flame kernel is unable to form an initial flame in the early stage of the ignition process, which can be found from the quenching CH∗ emission of the flame kernel. The CH∗ emission can be seen again although its quenching lasts for ∼700 μs and the re-ignition of the initial flame can be developed to further establish a cavity-stabilized flame. Local equivalence ratio, the instantaneous power of the gliding arc, the area of the flame kernel, and the moving trail of the flame play important roles in determining the ignition modes of the scramjet combustor. The re-ignition mode is more likely to be observed in the local fuel-lean environment and exhibits a longer flame propagation time (1.6 times) and a smaller flame kernel (15%) than those of the direct ignition mode. |
| abstractGer |
A gliding arc discharge was employed to ignite an ethylene-fueled scramjet combustor with an inflow speed of Ma = 2.92. Flame chemiluminescence and Schlieren photography were recorded simultaneously with CH∗ emission images and discharge waveforms for showing the ignition characteristics in the cavity. The direct ignition mode and the re-ignition mode can be identified. In the direct ignition mode, the initial flame can be directly ignited. In the re-ignition mode, the flame kernel is unable to form an initial flame in the early stage of the ignition process, which can be found from the quenching CH∗ emission of the flame kernel. The CH∗ emission can be seen again although its quenching lasts for ∼700 μs and the re-ignition of the initial flame can be developed to further establish a cavity-stabilized flame. Local equivalence ratio, the instantaneous power of the gliding arc, the area of the flame kernel, and the moving trail of the flame play important roles in determining the ignition modes of the scramjet combustor. The re-ignition mode is more likely to be observed in the local fuel-lean environment and exhibits a longer flame propagation time (1.6 times) and a smaller flame kernel (15%) than those of the direct ignition mode. |
| abstract_unstemmed |
A gliding arc discharge was employed to ignite an ethylene-fueled scramjet combustor with an inflow speed of Ma = 2.92. Flame chemiluminescence and Schlieren photography were recorded simultaneously with CH∗ emission images and discharge waveforms for showing the ignition characteristics in the cavity. The direct ignition mode and the re-ignition mode can be identified. In the direct ignition mode, the initial flame can be directly ignited. In the re-ignition mode, the flame kernel is unable to form an initial flame in the early stage of the ignition process, which can be found from the quenching CH∗ emission of the flame kernel. The CH∗ emission can be seen again although its quenching lasts for ∼700 μs and the re-ignition of the initial flame can be developed to further establish a cavity-stabilized flame. Local equivalence ratio, the instantaneous power of the gliding arc, the area of the flame kernel, and the moving trail of the flame play important roles in determining the ignition modes of the scramjet combustor. The re-ignition mode is more likely to be observed in the local fuel-lean environment and exhibits a longer flame propagation time (1.6 times) and a smaller flame kernel (15%) than those of the direct ignition mode. |
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Ignition modes of a cavity-based scramjet combustor by a gliding arc plasma |
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Zhu, Jiajian Wang, Zhenguo Sun, Mingbo Wang, Hongbo Cai, Zun An, Bin Li, Liang |
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| score |
7.401388 |