Experimental investigation of the effect of ozone on auto-ignition behaviors of pyrolysis gas of kerosene
Additive ozone as a promising aiding can enhance ignition and combustion behaviors. In this study auto-ignition behaviors of pyrolysis gas of kerosene assisted by O3 are experimental investigated in a rapid compression machine. The ignition delay times of pyrolysis gas varying with additive O3 conce...
Ausführliche Beschreibung
Autor*in: |
Zheng, Dong [verfasserIn] Xiong, Peng-fei [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2021 |
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Schlagwörter: |
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Übergeordnetes Werk: |
Enthalten in: Fuel - New York, NY [u.a.] : Elsevier, 1970, 304 |
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Übergeordnetes Werk: |
volume:304 |
DOI / URN: |
10.1016/j.fuel.2021.121474 |
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Katalog-ID: |
ELV055045960 |
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245 | 1 | 0 | |a Experimental investigation of the effect of ozone on auto-ignition behaviors of pyrolysis gas of kerosene |
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520 | |a Additive ozone as a promising aiding can enhance ignition and combustion behaviors. In this study auto-ignition behaviors of pyrolysis gas of kerosene assisted by O3 are experimental investigated in a rapid compression machine. The ignition delay times of pyrolysis gas varying with additive O3 concentration from 0 to 1200 ppm have been measured at the conditions of T C = 877.7–917.2 K, P C = 3.3–4.4 MPa, φ = 1.0 and 0.5. The measured results show that with about 1195 ppm ozone the ignition delay time effectively decreases by a factor of about 5 at T C = 877.7 K, P C = 3.3 MPa and φ = 1.0. The ignition delay time exponentially decreases with the increasing of O3 concentration. Integrating the optimized USC-II mechanism with O3 sub-mechanism, the ignition delay times assisted by O3 are calculated at wider temperature regimes. The results demonstrate that the auto-ignition enhancement by O3 at low temperature regime is more significant as compared to the high temperature regime. Further analysis reveals that with O3 addition a peak of heat release appears at the initial time, leading to a temperature jump. Meanwhile the active species concentrations increase. At low temperature regime the temperature jump and active species concentrations increase considerably, so auto-ignition enhancement by O3 is more significant. Kinetic analysis found that the presence of O3 molecules rapidly activates the chain reaction paths O3 → O → HCO → HO2 → OH → H2O. During the chain reaction paths, vital radicals O, HCO, HO2 and OH are greatly generated, and a considerable amount of heat is released. By both active radicals and thermal effects, the auto-ignition of pyrolysis gas of kerosene has been enhanced. | ||
650 | 4 | |a Plasma assisted combustion | |
650 | 4 | |a Ozone assisted ignition | |
650 | 4 | |a Ignition delay time | |
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650 | 4 | |a Rapid compression machine | |
700 | 1 | |a Xiong, Peng-fei |e verfasserin |4 aut | |
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10.1016/j.fuel.2021.121474 doi (DE-627)ELV055045960 (ELSEVIER)S0016-2361(21)01353-3 DE-627 ger DE-627 rda eng 660 VZ 58.21 bkl Zheng, Dong verfasserin aut Experimental investigation of the effect of ozone on auto-ignition behaviors of pyrolysis gas of kerosene 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Additive ozone as a promising aiding can enhance ignition and combustion behaviors. In this study auto-ignition behaviors of pyrolysis gas of kerosene assisted by O3 are experimental investigated in a rapid compression machine. The ignition delay times of pyrolysis gas varying with additive O3 concentration from 0 to 1200 ppm have been measured at the conditions of T C = 877.7–917.2 K, P C = 3.3–4.4 MPa, φ = 1.0 and 0.5. The measured results show that with about 1195 ppm ozone the ignition delay time effectively decreases by a factor of about 5 at T C = 877.7 K, P C = 3.3 MPa and φ = 1.0. The ignition delay time exponentially decreases with the increasing of O3 concentration. Integrating the optimized USC-II mechanism with O3 sub-mechanism, the ignition delay times assisted by O3 are calculated at wider temperature regimes. The results demonstrate that the auto-ignition enhancement by O3 at low temperature regime is more significant as compared to the high temperature regime. Further analysis reveals that with O3 addition a peak of heat release appears at the initial time, leading to a temperature jump. Meanwhile the active species concentrations increase. At low temperature regime the temperature jump and active species concentrations increase considerably, so auto-ignition enhancement by O3 is more significant. Kinetic analysis found that the presence of O3 molecules rapidly activates the chain reaction paths O3 → O → HCO → HO2 → OH → H2O. During the chain reaction paths, vital radicals O, HCO, HO2 and OH are greatly generated, and a considerable amount of heat is released. By both active radicals and thermal effects, the auto-ignition of pyrolysis gas of kerosene has been enhanced. Plasma assisted combustion Ozone assisted ignition Ignition delay time Pyrolysis gas Rapid compression machine Xiong, Peng-fei verfasserin aut Enthalten in Fuel New York, NY [u.a.] : Elsevier, 1970 304 Online-Ressource (DE-627)300898584 (DE-600)1483656-7 (DE-576)09555176X 0016-2361 nnns volume:304 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 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_2006 GBV_ILN_2008 GBV_ILN_2010 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_2088 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_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 58.21 Brennstoffe Kraftstoffe Explosivstoffe VZ AR 304 |
spelling |
10.1016/j.fuel.2021.121474 doi (DE-627)ELV055045960 (ELSEVIER)S0016-2361(21)01353-3 DE-627 ger DE-627 rda eng 660 VZ 58.21 bkl Zheng, Dong verfasserin aut Experimental investigation of the effect of ozone on auto-ignition behaviors of pyrolysis gas of kerosene 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Additive ozone as a promising aiding can enhance ignition and combustion behaviors. In this study auto-ignition behaviors of pyrolysis gas of kerosene assisted by O3 are experimental investigated in a rapid compression machine. The ignition delay times of pyrolysis gas varying with additive O3 concentration from 0 to 1200 ppm have been measured at the conditions of T C = 877.7–917.2 K, P C = 3.3–4.4 MPa, φ = 1.0 and 0.5. The measured results show that with about 1195 ppm ozone the ignition delay time effectively decreases by a factor of about 5 at T C = 877.7 K, P C = 3.3 MPa and φ = 1.0. The ignition delay time exponentially decreases with the increasing of O3 concentration. Integrating the optimized USC-II mechanism with O3 sub-mechanism, the ignition delay times assisted by O3 are calculated at wider temperature regimes. The results demonstrate that the auto-ignition enhancement by O3 at low temperature regime is more significant as compared to the high temperature regime. Further analysis reveals that with O3 addition a peak of heat release appears at the initial time, leading to a temperature jump. Meanwhile the active species concentrations increase. At low temperature regime the temperature jump and active species concentrations increase considerably, so auto-ignition enhancement by O3 is more significant. Kinetic analysis found that the presence of O3 molecules rapidly activates the chain reaction paths O3 → O → HCO → HO2 → OH → H2O. During the chain reaction paths, vital radicals O, HCO, HO2 and OH are greatly generated, and a considerable amount of heat is released. By both active radicals and thermal effects, the auto-ignition of pyrolysis gas of kerosene has been enhanced. Plasma assisted combustion Ozone assisted ignition Ignition delay time Pyrolysis gas Rapid compression machine Xiong, Peng-fei verfasserin aut Enthalten in Fuel New York, NY [u.a.] : Elsevier, 1970 304 Online-Ressource (DE-627)300898584 (DE-600)1483656-7 (DE-576)09555176X 0016-2361 nnns volume:304 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 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_2006 GBV_ILN_2008 GBV_ILN_2010 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_2088 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_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 58.21 Brennstoffe Kraftstoffe Explosivstoffe VZ AR 304 |
allfields_unstemmed |
10.1016/j.fuel.2021.121474 doi (DE-627)ELV055045960 (ELSEVIER)S0016-2361(21)01353-3 DE-627 ger DE-627 rda eng 660 VZ 58.21 bkl Zheng, Dong verfasserin aut Experimental investigation of the effect of ozone on auto-ignition behaviors of pyrolysis gas of kerosene 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Additive ozone as a promising aiding can enhance ignition and combustion behaviors. In this study auto-ignition behaviors of pyrolysis gas of kerosene assisted by O3 are experimental investigated in a rapid compression machine. The ignition delay times of pyrolysis gas varying with additive O3 concentration from 0 to 1200 ppm have been measured at the conditions of T C = 877.7–917.2 K, P C = 3.3–4.4 MPa, φ = 1.0 and 0.5. The measured results show that with about 1195 ppm ozone the ignition delay time effectively decreases by a factor of about 5 at T C = 877.7 K, P C = 3.3 MPa and φ = 1.0. The ignition delay time exponentially decreases with the increasing of O3 concentration. Integrating the optimized USC-II mechanism with O3 sub-mechanism, the ignition delay times assisted by O3 are calculated at wider temperature regimes. The results demonstrate that the auto-ignition enhancement by O3 at low temperature regime is more significant as compared to the high temperature regime. Further analysis reveals that with O3 addition a peak of heat release appears at the initial time, leading to a temperature jump. Meanwhile the active species concentrations increase. At low temperature regime the temperature jump and active species concentrations increase considerably, so auto-ignition enhancement by O3 is more significant. Kinetic analysis found that the presence of O3 molecules rapidly activates the chain reaction paths O3 → O → HCO → HO2 → OH → H2O. During the chain reaction paths, vital radicals O, HCO, HO2 and OH are greatly generated, and a considerable amount of heat is released. By both active radicals and thermal effects, the auto-ignition of pyrolysis gas of kerosene has been enhanced. Plasma assisted combustion Ozone assisted ignition Ignition delay time Pyrolysis gas Rapid compression machine Xiong, Peng-fei verfasserin aut Enthalten in Fuel New York, NY [u.a.] : Elsevier, 1970 304 Online-Ressource (DE-627)300898584 (DE-600)1483656-7 (DE-576)09555176X 0016-2361 nnns volume:304 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 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_2006 GBV_ILN_2008 GBV_ILN_2010 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_2088 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_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 58.21 Brennstoffe Kraftstoffe Explosivstoffe VZ AR 304 |
allfieldsGer |
10.1016/j.fuel.2021.121474 doi (DE-627)ELV055045960 (ELSEVIER)S0016-2361(21)01353-3 DE-627 ger DE-627 rda eng 660 VZ 58.21 bkl Zheng, Dong verfasserin aut Experimental investigation of the effect of ozone on auto-ignition behaviors of pyrolysis gas of kerosene 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Additive ozone as a promising aiding can enhance ignition and combustion behaviors. In this study auto-ignition behaviors of pyrolysis gas of kerosene assisted by O3 are experimental investigated in a rapid compression machine. The ignition delay times of pyrolysis gas varying with additive O3 concentration from 0 to 1200 ppm have been measured at the conditions of T C = 877.7–917.2 K, P C = 3.3–4.4 MPa, φ = 1.0 and 0.5. The measured results show that with about 1195 ppm ozone the ignition delay time effectively decreases by a factor of about 5 at T C = 877.7 K, P C = 3.3 MPa and φ = 1.0. The ignition delay time exponentially decreases with the increasing of O3 concentration. Integrating the optimized USC-II mechanism with O3 sub-mechanism, the ignition delay times assisted by O3 are calculated at wider temperature regimes. The results demonstrate that the auto-ignition enhancement by O3 at low temperature regime is more significant as compared to the high temperature regime. Further analysis reveals that with O3 addition a peak of heat release appears at the initial time, leading to a temperature jump. Meanwhile the active species concentrations increase. At low temperature regime the temperature jump and active species concentrations increase considerably, so auto-ignition enhancement by O3 is more significant. Kinetic analysis found that the presence of O3 molecules rapidly activates the chain reaction paths O3 → O → HCO → HO2 → OH → H2O. During the chain reaction paths, vital radicals O, HCO, HO2 and OH are greatly generated, and a considerable amount of heat is released. By both active radicals and thermal effects, the auto-ignition of pyrolysis gas of kerosene has been enhanced. Plasma assisted combustion Ozone assisted ignition Ignition delay time Pyrolysis gas Rapid compression machine Xiong, Peng-fei verfasserin aut Enthalten in Fuel New York, NY [u.a.] : Elsevier, 1970 304 Online-Ressource (DE-627)300898584 (DE-600)1483656-7 (DE-576)09555176X 0016-2361 nnns volume:304 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 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_2006 GBV_ILN_2008 GBV_ILN_2010 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_2088 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_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 58.21 Brennstoffe Kraftstoffe Explosivstoffe VZ AR 304 |
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10.1016/j.fuel.2021.121474 doi (DE-627)ELV055045960 (ELSEVIER)S0016-2361(21)01353-3 DE-627 ger DE-627 rda eng 660 VZ 58.21 bkl Zheng, Dong verfasserin aut Experimental investigation of the effect of ozone on auto-ignition behaviors of pyrolysis gas of kerosene 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Additive ozone as a promising aiding can enhance ignition and combustion behaviors. In this study auto-ignition behaviors of pyrolysis gas of kerosene assisted by O3 are experimental investigated in a rapid compression machine. The ignition delay times of pyrolysis gas varying with additive O3 concentration from 0 to 1200 ppm have been measured at the conditions of T C = 877.7–917.2 K, P C = 3.3–4.4 MPa, φ = 1.0 and 0.5. The measured results show that with about 1195 ppm ozone the ignition delay time effectively decreases by a factor of about 5 at T C = 877.7 K, P C = 3.3 MPa and φ = 1.0. The ignition delay time exponentially decreases with the increasing of O3 concentration. Integrating the optimized USC-II mechanism with O3 sub-mechanism, the ignition delay times assisted by O3 are calculated at wider temperature regimes. The results demonstrate that the auto-ignition enhancement by O3 at low temperature regime is more significant as compared to the high temperature regime. Further analysis reveals that with O3 addition a peak of heat release appears at the initial time, leading to a temperature jump. Meanwhile the active species concentrations increase. At low temperature regime the temperature jump and active species concentrations increase considerably, so auto-ignition enhancement by O3 is more significant. Kinetic analysis found that the presence of O3 molecules rapidly activates the chain reaction paths O3 → O → HCO → HO2 → OH → H2O. During the chain reaction paths, vital radicals O, HCO, HO2 and OH are greatly generated, and a considerable amount of heat is released. By both active radicals and thermal effects, the auto-ignition of pyrolysis gas of kerosene has been enhanced. Plasma assisted combustion Ozone assisted ignition Ignition delay time Pyrolysis gas Rapid compression machine Xiong, Peng-fei verfasserin aut Enthalten in Fuel New York, NY [u.a.] : Elsevier, 1970 304 Online-Ressource (DE-627)300898584 (DE-600)1483656-7 (DE-576)09555176X 0016-2361 nnns volume:304 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 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_2006 GBV_ILN_2008 GBV_ILN_2010 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_2088 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_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 58.21 Brennstoffe Kraftstoffe Explosivstoffe VZ AR 304 |
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660 VZ 58.21 bkl Experimental investigation of the effect of ozone on auto-ignition behaviors of pyrolysis gas of kerosene Plasma assisted combustion Ozone assisted ignition Ignition delay time Pyrolysis gas Rapid compression machine |
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ddc 660 bkl 58.21 misc Plasma assisted combustion misc Ozone assisted ignition misc Ignition delay time misc Pyrolysis gas misc Rapid compression machine |
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ddc 660 bkl 58.21 misc Plasma assisted combustion misc Ozone assisted ignition misc Ignition delay time misc Pyrolysis gas misc Rapid compression machine |
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ddc 660 bkl 58.21 misc Plasma assisted combustion misc Ozone assisted ignition misc Ignition delay time misc Pyrolysis gas misc Rapid compression machine |
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Experimental investigation of the effect of ozone on auto-ignition behaviors of pyrolysis gas of kerosene |
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title_full |
Experimental investigation of the effect of ozone on auto-ignition behaviors of pyrolysis gas of kerosene |
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Zheng, Dong |
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600 - Technology |
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2021 |
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Zheng, Dong Xiong, Peng-fei |
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Elektronische Aufsätze |
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Zheng, Dong |
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10.1016/j.fuel.2021.121474 |
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660 |
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verfasserin |
title_sort |
experimental investigation of the effect of ozone on auto-ignition behaviors of pyrolysis gas of kerosene |
title_auth |
Experimental investigation of the effect of ozone on auto-ignition behaviors of pyrolysis gas of kerosene |
abstract |
Additive ozone as a promising aiding can enhance ignition and combustion behaviors. In this study auto-ignition behaviors of pyrolysis gas of kerosene assisted by O3 are experimental investigated in a rapid compression machine. The ignition delay times of pyrolysis gas varying with additive O3 concentration from 0 to 1200 ppm have been measured at the conditions of T C = 877.7–917.2 K, P C = 3.3–4.4 MPa, φ = 1.0 and 0.5. The measured results show that with about 1195 ppm ozone the ignition delay time effectively decreases by a factor of about 5 at T C = 877.7 K, P C = 3.3 MPa and φ = 1.0. The ignition delay time exponentially decreases with the increasing of O3 concentration. Integrating the optimized USC-II mechanism with O3 sub-mechanism, the ignition delay times assisted by O3 are calculated at wider temperature regimes. The results demonstrate that the auto-ignition enhancement by O3 at low temperature regime is more significant as compared to the high temperature regime. Further analysis reveals that with O3 addition a peak of heat release appears at the initial time, leading to a temperature jump. Meanwhile the active species concentrations increase. At low temperature regime the temperature jump and active species concentrations increase considerably, so auto-ignition enhancement by O3 is more significant. Kinetic analysis found that the presence of O3 molecules rapidly activates the chain reaction paths O3 → O → HCO → HO2 → OH → H2O. During the chain reaction paths, vital radicals O, HCO, HO2 and OH are greatly generated, and a considerable amount of heat is released. By both active radicals and thermal effects, the auto-ignition of pyrolysis gas of kerosene has been enhanced. |
abstractGer |
Additive ozone as a promising aiding can enhance ignition and combustion behaviors. In this study auto-ignition behaviors of pyrolysis gas of kerosene assisted by O3 are experimental investigated in a rapid compression machine. The ignition delay times of pyrolysis gas varying with additive O3 concentration from 0 to 1200 ppm have been measured at the conditions of T C = 877.7–917.2 K, P C = 3.3–4.4 MPa, φ = 1.0 and 0.5. The measured results show that with about 1195 ppm ozone the ignition delay time effectively decreases by a factor of about 5 at T C = 877.7 K, P C = 3.3 MPa and φ = 1.0. The ignition delay time exponentially decreases with the increasing of O3 concentration. Integrating the optimized USC-II mechanism with O3 sub-mechanism, the ignition delay times assisted by O3 are calculated at wider temperature regimes. The results demonstrate that the auto-ignition enhancement by O3 at low temperature regime is more significant as compared to the high temperature regime. Further analysis reveals that with O3 addition a peak of heat release appears at the initial time, leading to a temperature jump. Meanwhile the active species concentrations increase. At low temperature regime the temperature jump and active species concentrations increase considerably, so auto-ignition enhancement by O3 is more significant. Kinetic analysis found that the presence of O3 molecules rapidly activates the chain reaction paths O3 → O → HCO → HO2 → OH → H2O. During the chain reaction paths, vital radicals O, HCO, HO2 and OH are greatly generated, and a considerable amount of heat is released. By both active radicals and thermal effects, the auto-ignition of pyrolysis gas of kerosene has been enhanced. |
abstract_unstemmed |
Additive ozone as a promising aiding can enhance ignition and combustion behaviors. In this study auto-ignition behaviors of pyrolysis gas of kerosene assisted by O3 are experimental investigated in a rapid compression machine. The ignition delay times of pyrolysis gas varying with additive O3 concentration from 0 to 1200 ppm have been measured at the conditions of T C = 877.7–917.2 K, P C = 3.3–4.4 MPa, φ = 1.0 and 0.5. The measured results show that with about 1195 ppm ozone the ignition delay time effectively decreases by a factor of about 5 at T C = 877.7 K, P C = 3.3 MPa and φ = 1.0. The ignition delay time exponentially decreases with the increasing of O3 concentration. Integrating the optimized USC-II mechanism with O3 sub-mechanism, the ignition delay times assisted by O3 are calculated at wider temperature regimes. The results demonstrate that the auto-ignition enhancement by O3 at low temperature regime is more significant as compared to the high temperature regime. Further analysis reveals that with O3 addition a peak of heat release appears at the initial time, leading to a temperature jump. Meanwhile the active species concentrations increase. At low temperature regime the temperature jump and active species concentrations increase considerably, so auto-ignition enhancement by O3 is more significant. Kinetic analysis found that the presence of O3 molecules rapidly activates the chain reaction paths O3 → O → HCO → HO2 → OH → H2O. During the chain reaction paths, vital radicals O, HCO, HO2 and OH are greatly generated, and a considerable amount of heat is released. By both active radicals and thermal effects, the auto-ignition of pyrolysis gas of kerosene has been enhanced. |
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title_short |
Experimental investigation of the effect of ozone on auto-ignition behaviors of pyrolysis gas of kerosene |
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up_date |
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