A study of the effects of the ester moiety on soot formation and species concentrations in a laminar coflow diffusion flame of a surrogate for B100 biodiesel
The effects of the ester moiety on soot formation and species concentrations in a laminar coflow diffusion flame of a surrogate for a B100 biodiesel are investigated. The surrogate is a mixture of 50% n-decane/50% methyl-octanoate (molar) to represent methyl-oleate. The combustion chemistry and soot...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Kholghy, Mohammad Reza [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2015transfer abstract |
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| Schlagwörter: |
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| Umfang: |
8 |
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| Übergeordnetes Werk: |
Enthalten in: Hygroscopic growth of water-soluble matter extracted from remote marine aerosols over the western North Pacific: Influence of pollutants transported from East Asia - Boreddy, S.K.R. ELSEVIER, 2016transfer abstract, Amsterdam [u.a.] |
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| Übergeordnetes Werk: |
volume:35 ; year:2015 ; number:1 ; pages:905-912 ; extent:8 |
| Links: |
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| DOI / URN: |
10.1016/j.proci.2014.07.019 |
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| Katalog-ID: |
ELV028737199 |
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| 245 | 1 | 0 | |a A study of the effects of the ester moiety on soot formation and species concentrations in a laminar coflow diffusion flame of a surrogate for B100 biodiesel |
| 264 | 1 | |c 2015transfer abstract | |
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| 520 | |a The effects of the ester moiety on soot formation and species concentrations in a laminar coflow diffusion flame of a surrogate for a B100 biodiesel are investigated. The surrogate is a mixture of 50% n-decane/50% methyl-octanoate (molar) to represent methyl-oleate. The combustion chemistry and soot formation are solved using a mechanism with 288 species and 2073 reactions coupled with a sectional soot model, respectively. Soot volume fraction (fv ) and temperature profiles are compared to the experimentally measured values for this biodiesel surrogate. In addition, the effects of the ester moiety on soot formation and flame chemistry are studied by numerically comparing the biodiesel surrogate flame with a pure n-decane flame. The model predicts both temperature and fv profiles with a good accuracy. Some discrepancies for fv on the flame centerline are observed between the model and the experiments; it is suggested that these discrepancies are because the model and the experiment cannot distinguish nascent transparent soot from mature soot and because the mechanism under-predicts PAH formation rates. Both n-decane and B100 surrogate flames have similar fv and temperature profiles when both flames have the same energy input. This suggests that the ester moiety does not have a major impact on soot formation. In addition, early production of CO and higher concentrations of some oxygenated species such as formaldehyde are observed in the predicted concentration contour plots of the B100 surrogate flame when they are compared to the n-decane flame. Reaction pathway analysis reveals that the higher peak concentrations of formaldehyde and the early production of CO from CH2CO and CH3CO2 that come directly from the ester moiety in the B100 surrogate are much more pronounced than other species in the B100 surrogate flame and are recognized as the main differentiating characteristics of the B100 surrogate flame from the n-decane flame. | ||
| 520 | |a The effects of the ester moiety on soot formation and species concentrations in a laminar coflow diffusion flame of a surrogate for a B100 biodiesel are investigated. The surrogate is a mixture of 50% n-decane/50% methyl-octanoate (molar) to represent methyl-oleate. The combustion chemistry and soot formation are solved using a mechanism with 288 species and 2073 reactions coupled with a sectional soot model, respectively. Soot volume fraction (fv ) and temperature profiles are compared to the experimentally measured values for this biodiesel surrogate. In addition, the effects of the ester moiety on soot formation and flame chemistry are studied by numerically comparing the biodiesel surrogate flame with a pure n-decane flame. The model predicts both temperature and fv profiles with a good accuracy. Some discrepancies for fv on the flame centerline are observed between the model and the experiments; it is suggested that these discrepancies are because the model and the experiment cannot distinguish nascent transparent soot from mature soot and because the mechanism under-predicts PAH formation rates. Both n-decane and B100 surrogate flames have similar fv and temperature profiles when both flames have the same energy input. This suggests that the ester moiety does not have a major impact on soot formation. In addition, early production of CO and higher concentrations of some oxygenated species such as formaldehyde are observed in the predicted concentration contour plots of the B100 surrogate flame when they are compared to the n-decane flame. Reaction pathway analysis reveals that the higher peak concentrations of formaldehyde and the early production of CO from CH2CO and CH3CO2 that come directly from the ester moiety in the B100 surrogate are much more pronounced than other species in the B100 surrogate flame and are recognized as the main differentiating characteristics of the B100 surrogate flame from the n-decane flame. | ||
| 650 | 7 | |a Laminar flame |2 Elsevier | |
| 650 | 7 | |a Soot model |2 Elsevier | |
| 650 | 7 | |a Transparent nascent soot |2 Elsevier | |
| 650 | 7 | |a Formaldehyde |2 Elsevier | |
| 650 | 7 | |a B100 biodiesel |2 Elsevier | |
| 700 | 1 | |a Weingarten, Jason |4 oth | |
| 700 | 1 | |a Thomson, Murray John |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier |a Boreddy, S.K.R. ELSEVIER |t Hygroscopic growth of water-soluble matter extracted from remote marine aerosols over the western North Pacific: Influence of pollutants transported from East Asia |d 2016transfer abstract |g Amsterdam [u.a.] |w (DE-627)ELV014705079 |
| 773 | 1 | 8 | |g volume:35 |g year:2015 |g number:1 |g pages:905-912 |g extent:8 |
| 856 | 4 | 0 | |u https://doi.org/10.1016/j.proci.2014.07.019 |3 Volltext |
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10.1016/j.proci.2014.07.019 doi GBVA2015005000006.pica (DE-627)ELV028737199 (ELSEVIER)S1540-7489(14)00329-0 DE-627 ger DE-627 rakwb eng 660 660 DE-600 333.7 VZ 610 VZ 630 640 610 VZ Kholghy, Mohammad Reza verfasserin aut A study of the effects of the ester moiety on soot formation and species concentrations in a laminar coflow diffusion flame of a surrogate for B100 biodiesel 2015transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The effects of the ester moiety on soot formation and species concentrations in a laminar coflow diffusion flame of a surrogate for a B100 biodiesel are investigated. The surrogate is a mixture of 50% n-decane/50% methyl-octanoate (molar) to represent methyl-oleate. The combustion chemistry and soot formation are solved using a mechanism with 288 species and 2073 reactions coupled with a sectional soot model, respectively. Soot volume fraction (fv ) and temperature profiles are compared to the experimentally measured values for this biodiesel surrogate. In addition, the effects of the ester moiety on soot formation and flame chemistry are studied by numerically comparing the biodiesel surrogate flame with a pure n-decane flame. The model predicts both temperature and fv profiles with a good accuracy. Some discrepancies for fv on the flame centerline are observed between the model and the experiments; it is suggested that these discrepancies are because the model and the experiment cannot distinguish nascent transparent soot from mature soot and because the mechanism under-predicts PAH formation rates. Both n-decane and B100 surrogate flames have similar fv and temperature profiles when both flames have the same energy input. This suggests that the ester moiety does not have a major impact on soot formation. In addition, early production of CO and higher concentrations of some oxygenated species such as formaldehyde are observed in the predicted concentration contour plots of the B100 surrogate flame when they are compared to the n-decane flame. Reaction pathway analysis reveals that the higher peak concentrations of formaldehyde and the early production of CO from CH2CO and CH3CO2 that come directly from the ester moiety in the B100 surrogate are much more pronounced than other species in the B100 surrogate flame and are recognized as the main differentiating characteristics of the B100 surrogate flame from the n-decane flame. The effects of the ester moiety on soot formation and species concentrations in a laminar coflow diffusion flame of a surrogate for a B100 biodiesel are investigated. The surrogate is a mixture of 50% n-decane/50% methyl-octanoate (molar) to represent methyl-oleate. The combustion chemistry and soot formation are solved using a mechanism with 288 species and 2073 reactions coupled with a sectional soot model, respectively. Soot volume fraction (fv ) and temperature profiles are compared to the experimentally measured values for this biodiesel surrogate. In addition, the effects of the ester moiety on soot formation and flame chemistry are studied by numerically comparing the biodiesel surrogate flame with a pure n-decane flame. The model predicts both temperature and fv profiles with a good accuracy. Some discrepancies for fv on the flame centerline are observed between the model and the experiments; it is suggested that these discrepancies are because the model and the experiment cannot distinguish nascent transparent soot from mature soot and because the mechanism under-predicts PAH formation rates. Both n-decane and B100 surrogate flames have similar fv and temperature profiles when both flames have the same energy input. This suggests that the ester moiety does not have a major impact on soot formation. In addition, early production of CO and higher concentrations of some oxygenated species such as formaldehyde are observed in the predicted concentration contour plots of the B100 surrogate flame when they are compared to the n-decane flame. Reaction pathway analysis reveals that the higher peak concentrations of formaldehyde and the early production of CO from CH2CO and CH3CO2 that come directly from the ester moiety in the B100 surrogate are much more pronounced than other species in the B100 surrogate flame and are recognized as the main differentiating characteristics of the B100 surrogate flame from the n-decane flame. Laminar flame Elsevier Soot model Elsevier Transparent nascent soot Elsevier Formaldehyde Elsevier B100 biodiesel Elsevier Weingarten, Jason oth Thomson, Murray John oth Enthalten in Elsevier Boreddy, S.K.R. ELSEVIER Hygroscopic growth of water-soluble matter extracted from remote marine aerosols over the western North Pacific: Influence of pollutants transported from East Asia 2016transfer abstract Amsterdam [u.a.] (DE-627)ELV014705079 volume:35 year:2015 number:1 pages:905-912 extent:8 https://doi.org/10.1016/j.proci.2014.07.019 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_40 AR 35 2015 1 905-912 8 045F 660 |
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10.1016/j.proci.2014.07.019 doi GBVA2015005000006.pica (DE-627)ELV028737199 (ELSEVIER)S1540-7489(14)00329-0 DE-627 ger DE-627 rakwb eng 660 660 DE-600 333.7 VZ 610 VZ 630 640 610 VZ Kholghy, Mohammad Reza verfasserin aut A study of the effects of the ester moiety on soot formation and species concentrations in a laminar coflow diffusion flame of a surrogate for B100 biodiesel 2015transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The effects of the ester moiety on soot formation and species concentrations in a laminar coflow diffusion flame of a surrogate for a B100 biodiesel are investigated. The surrogate is a mixture of 50% n-decane/50% methyl-octanoate (molar) to represent methyl-oleate. The combustion chemistry and soot formation are solved using a mechanism with 288 species and 2073 reactions coupled with a sectional soot model, respectively. Soot volume fraction (fv ) and temperature profiles are compared to the experimentally measured values for this biodiesel surrogate. In addition, the effects of the ester moiety on soot formation and flame chemistry are studied by numerically comparing the biodiesel surrogate flame with a pure n-decane flame. The model predicts both temperature and fv profiles with a good accuracy. Some discrepancies for fv on the flame centerline are observed between the model and the experiments; it is suggested that these discrepancies are because the model and the experiment cannot distinguish nascent transparent soot from mature soot and because the mechanism under-predicts PAH formation rates. Both n-decane and B100 surrogate flames have similar fv and temperature profiles when both flames have the same energy input. This suggests that the ester moiety does not have a major impact on soot formation. In addition, early production of CO and higher concentrations of some oxygenated species such as formaldehyde are observed in the predicted concentration contour plots of the B100 surrogate flame when they are compared to the n-decane flame. Reaction pathway analysis reveals that the higher peak concentrations of formaldehyde and the early production of CO from CH2CO and CH3CO2 that come directly from the ester moiety in the B100 surrogate are much more pronounced than other species in the B100 surrogate flame and are recognized as the main differentiating characteristics of the B100 surrogate flame from the n-decane flame. The effects of the ester moiety on soot formation and species concentrations in a laminar coflow diffusion flame of a surrogate for a B100 biodiesel are investigated. The surrogate is a mixture of 50% n-decane/50% methyl-octanoate (molar) to represent methyl-oleate. The combustion chemistry and soot formation are solved using a mechanism with 288 species and 2073 reactions coupled with a sectional soot model, respectively. Soot volume fraction (fv ) and temperature profiles are compared to the experimentally measured values for this biodiesel surrogate. In addition, the effects of the ester moiety on soot formation and flame chemistry are studied by numerically comparing the biodiesel surrogate flame with a pure n-decane flame. The model predicts both temperature and fv profiles with a good accuracy. Some discrepancies for fv on the flame centerline are observed between the model and the experiments; it is suggested that these discrepancies are because the model and the experiment cannot distinguish nascent transparent soot from mature soot and because the mechanism under-predicts PAH formation rates. Both n-decane and B100 surrogate flames have similar fv and temperature profiles when both flames have the same energy input. This suggests that the ester moiety does not have a major impact on soot formation. In addition, early production of CO and higher concentrations of some oxygenated species such as formaldehyde are observed in the predicted concentration contour plots of the B100 surrogate flame when they are compared to the n-decane flame. Reaction pathway analysis reveals that the higher peak concentrations of formaldehyde and the early production of CO from CH2CO and CH3CO2 that come directly from the ester moiety in the B100 surrogate are much more pronounced than other species in the B100 surrogate flame and are recognized as the main differentiating characteristics of the B100 surrogate flame from the n-decane flame. Laminar flame Elsevier Soot model Elsevier Transparent nascent soot Elsevier Formaldehyde Elsevier B100 biodiesel Elsevier Weingarten, Jason oth Thomson, Murray John oth Enthalten in Elsevier Boreddy, S.K.R. ELSEVIER Hygroscopic growth of water-soluble matter extracted from remote marine aerosols over the western North Pacific: Influence of pollutants transported from East Asia 2016transfer abstract Amsterdam [u.a.] (DE-627)ELV014705079 volume:35 year:2015 number:1 pages:905-912 extent:8 https://doi.org/10.1016/j.proci.2014.07.019 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_40 AR 35 2015 1 905-912 8 045F 660 |
| allfields_unstemmed |
10.1016/j.proci.2014.07.019 doi GBVA2015005000006.pica (DE-627)ELV028737199 (ELSEVIER)S1540-7489(14)00329-0 DE-627 ger DE-627 rakwb eng 660 660 DE-600 333.7 VZ 610 VZ 630 640 610 VZ Kholghy, Mohammad Reza verfasserin aut A study of the effects of the ester moiety on soot formation and species concentrations in a laminar coflow diffusion flame of a surrogate for B100 biodiesel 2015transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The effects of the ester moiety on soot formation and species concentrations in a laminar coflow diffusion flame of a surrogate for a B100 biodiesel are investigated. The surrogate is a mixture of 50% n-decane/50% methyl-octanoate (molar) to represent methyl-oleate. The combustion chemistry and soot formation are solved using a mechanism with 288 species and 2073 reactions coupled with a sectional soot model, respectively. Soot volume fraction (fv ) and temperature profiles are compared to the experimentally measured values for this biodiesel surrogate. In addition, the effects of the ester moiety on soot formation and flame chemistry are studied by numerically comparing the biodiesel surrogate flame with a pure n-decane flame. The model predicts both temperature and fv profiles with a good accuracy. Some discrepancies for fv on the flame centerline are observed between the model and the experiments; it is suggested that these discrepancies are because the model and the experiment cannot distinguish nascent transparent soot from mature soot and because the mechanism under-predicts PAH formation rates. Both n-decane and B100 surrogate flames have similar fv and temperature profiles when both flames have the same energy input. This suggests that the ester moiety does not have a major impact on soot formation. In addition, early production of CO and higher concentrations of some oxygenated species such as formaldehyde are observed in the predicted concentration contour plots of the B100 surrogate flame when they are compared to the n-decane flame. Reaction pathway analysis reveals that the higher peak concentrations of formaldehyde and the early production of CO from CH2CO and CH3CO2 that come directly from the ester moiety in the B100 surrogate are much more pronounced than other species in the B100 surrogate flame and are recognized as the main differentiating characteristics of the B100 surrogate flame from the n-decane flame. The effects of the ester moiety on soot formation and species concentrations in a laminar coflow diffusion flame of a surrogate for a B100 biodiesel are investigated. The surrogate is a mixture of 50% n-decane/50% methyl-octanoate (molar) to represent methyl-oleate. The combustion chemistry and soot formation are solved using a mechanism with 288 species and 2073 reactions coupled with a sectional soot model, respectively. Soot volume fraction (fv ) and temperature profiles are compared to the experimentally measured values for this biodiesel surrogate. In addition, the effects of the ester moiety on soot formation and flame chemistry are studied by numerically comparing the biodiesel surrogate flame with a pure n-decane flame. The model predicts both temperature and fv profiles with a good accuracy. Some discrepancies for fv on the flame centerline are observed between the model and the experiments; it is suggested that these discrepancies are because the model and the experiment cannot distinguish nascent transparent soot from mature soot and because the mechanism under-predicts PAH formation rates. Both n-decane and B100 surrogate flames have similar fv and temperature profiles when both flames have the same energy input. This suggests that the ester moiety does not have a major impact on soot formation. In addition, early production of CO and higher concentrations of some oxygenated species such as formaldehyde are observed in the predicted concentration contour plots of the B100 surrogate flame when they are compared to the n-decane flame. Reaction pathway analysis reveals that the higher peak concentrations of formaldehyde and the early production of CO from CH2CO and CH3CO2 that come directly from the ester moiety in the B100 surrogate are much more pronounced than other species in the B100 surrogate flame and are recognized as the main differentiating characteristics of the B100 surrogate flame from the n-decane flame. Laminar flame Elsevier Soot model Elsevier Transparent nascent soot Elsevier Formaldehyde Elsevier B100 biodiesel Elsevier Weingarten, Jason oth Thomson, Murray John oth Enthalten in Elsevier Boreddy, S.K.R. ELSEVIER Hygroscopic growth of water-soluble matter extracted from remote marine aerosols over the western North Pacific: Influence of pollutants transported from East Asia 2016transfer abstract Amsterdam [u.a.] (DE-627)ELV014705079 volume:35 year:2015 number:1 pages:905-912 extent:8 https://doi.org/10.1016/j.proci.2014.07.019 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_40 AR 35 2015 1 905-912 8 045F 660 |
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10.1016/j.proci.2014.07.019 doi GBVA2015005000006.pica (DE-627)ELV028737199 (ELSEVIER)S1540-7489(14)00329-0 DE-627 ger DE-627 rakwb eng 660 660 DE-600 333.7 VZ 610 VZ 630 640 610 VZ Kholghy, Mohammad Reza verfasserin aut A study of the effects of the ester moiety on soot formation and species concentrations in a laminar coflow diffusion flame of a surrogate for B100 biodiesel 2015transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The effects of the ester moiety on soot formation and species concentrations in a laminar coflow diffusion flame of a surrogate for a B100 biodiesel are investigated. The surrogate is a mixture of 50% n-decane/50% methyl-octanoate (molar) to represent methyl-oleate. The combustion chemistry and soot formation are solved using a mechanism with 288 species and 2073 reactions coupled with a sectional soot model, respectively. Soot volume fraction (fv ) and temperature profiles are compared to the experimentally measured values for this biodiesel surrogate. In addition, the effects of the ester moiety on soot formation and flame chemistry are studied by numerically comparing the biodiesel surrogate flame with a pure n-decane flame. The model predicts both temperature and fv profiles with a good accuracy. Some discrepancies for fv on the flame centerline are observed between the model and the experiments; it is suggested that these discrepancies are because the model and the experiment cannot distinguish nascent transparent soot from mature soot and because the mechanism under-predicts PAH formation rates. Both n-decane and B100 surrogate flames have similar fv and temperature profiles when both flames have the same energy input. This suggests that the ester moiety does not have a major impact on soot formation. In addition, early production of CO and higher concentrations of some oxygenated species such as formaldehyde are observed in the predicted concentration contour plots of the B100 surrogate flame when they are compared to the n-decane flame. Reaction pathway analysis reveals that the higher peak concentrations of formaldehyde and the early production of CO from CH2CO and CH3CO2 that come directly from the ester moiety in the B100 surrogate are much more pronounced than other species in the B100 surrogate flame and are recognized as the main differentiating characteristics of the B100 surrogate flame from the n-decane flame. The effects of the ester moiety on soot formation and species concentrations in a laminar coflow diffusion flame of a surrogate for a B100 biodiesel are investigated. The surrogate is a mixture of 50% n-decane/50% methyl-octanoate (molar) to represent methyl-oleate. The combustion chemistry and soot formation are solved using a mechanism with 288 species and 2073 reactions coupled with a sectional soot model, respectively. Soot volume fraction (fv ) and temperature profiles are compared to the experimentally measured values for this biodiesel surrogate. In addition, the effects of the ester moiety on soot formation and flame chemistry are studied by numerically comparing the biodiesel surrogate flame with a pure n-decane flame. The model predicts both temperature and fv profiles with a good accuracy. Some discrepancies for fv on the flame centerline are observed between the model and the experiments; it is suggested that these discrepancies are because the model and the experiment cannot distinguish nascent transparent soot from mature soot and because the mechanism under-predicts PAH formation rates. Both n-decane and B100 surrogate flames have similar fv and temperature profiles when both flames have the same energy input. This suggests that the ester moiety does not have a major impact on soot formation. In addition, early production of CO and higher concentrations of some oxygenated species such as formaldehyde are observed in the predicted concentration contour plots of the B100 surrogate flame when they are compared to the n-decane flame. Reaction pathway analysis reveals that the higher peak concentrations of formaldehyde and the early production of CO from CH2CO and CH3CO2 that come directly from the ester moiety in the B100 surrogate are much more pronounced than other species in the B100 surrogate flame and are recognized as the main differentiating characteristics of the B100 surrogate flame from the n-decane flame. Laminar flame Elsevier Soot model Elsevier Transparent nascent soot Elsevier Formaldehyde Elsevier B100 biodiesel Elsevier Weingarten, Jason oth Thomson, Murray John oth Enthalten in Elsevier Boreddy, S.K.R. ELSEVIER Hygroscopic growth of water-soluble matter extracted from remote marine aerosols over the western North Pacific: Influence of pollutants transported from East Asia 2016transfer abstract Amsterdam [u.a.] (DE-627)ELV014705079 volume:35 year:2015 number:1 pages:905-912 extent:8 https://doi.org/10.1016/j.proci.2014.07.019 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_40 AR 35 2015 1 905-912 8 045F 660 |
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10.1016/j.proci.2014.07.019 doi GBVA2015005000006.pica (DE-627)ELV028737199 (ELSEVIER)S1540-7489(14)00329-0 DE-627 ger DE-627 rakwb eng 660 660 DE-600 333.7 VZ 610 VZ 630 640 610 VZ Kholghy, Mohammad Reza verfasserin aut A study of the effects of the ester moiety on soot formation and species concentrations in a laminar coflow diffusion flame of a surrogate for B100 biodiesel 2015transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The effects of the ester moiety on soot formation and species concentrations in a laminar coflow diffusion flame of a surrogate for a B100 biodiesel are investigated. The surrogate is a mixture of 50% n-decane/50% methyl-octanoate (molar) to represent methyl-oleate. The combustion chemistry and soot formation are solved using a mechanism with 288 species and 2073 reactions coupled with a sectional soot model, respectively. Soot volume fraction (fv ) and temperature profiles are compared to the experimentally measured values for this biodiesel surrogate. In addition, the effects of the ester moiety on soot formation and flame chemistry are studied by numerically comparing the biodiesel surrogate flame with a pure n-decane flame. The model predicts both temperature and fv profiles with a good accuracy. Some discrepancies for fv on the flame centerline are observed between the model and the experiments; it is suggested that these discrepancies are because the model and the experiment cannot distinguish nascent transparent soot from mature soot and because the mechanism under-predicts PAH formation rates. Both n-decane and B100 surrogate flames have similar fv and temperature profiles when both flames have the same energy input. This suggests that the ester moiety does not have a major impact on soot formation. In addition, early production of CO and higher concentrations of some oxygenated species such as formaldehyde are observed in the predicted concentration contour plots of the B100 surrogate flame when they are compared to the n-decane flame. Reaction pathway analysis reveals that the higher peak concentrations of formaldehyde and the early production of CO from CH2CO and CH3CO2 that come directly from the ester moiety in the B100 surrogate are much more pronounced than other species in the B100 surrogate flame and are recognized as the main differentiating characteristics of the B100 surrogate flame from the n-decane flame. The effects of the ester moiety on soot formation and species concentrations in a laminar coflow diffusion flame of a surrogate for a B100 biodiesel are investigated. The surrogate is a mixture of 50% n-decane/50% methyl-octanoate (molar) to represent methyl-oleate. The combustion chemistry and soot formation are solved using a mechanism with 288 species and 2073 reactions coupled with a sectional soot model, respectively. Soot volume fraction (fv ) and temperature profiles are compared to the experimentally measured values for this biodiesel surrogate. In addition, the effects of the ester moiety on soot formation and flame chemistry are studied by numerically comparing the biodiesel surrogate flame with a pure n-decane flame. The model predicts both temperature and fv profiles with a good accuracy. Some discrepancies for fv on the flame centerline are observed between the model and the experiments; it is suggested that these discrepancies are because the model and the experiment cannot distinguish nascent transparent soot from mature soot and because the mechanism under-predicts PAH formation rates. Both n-decane and B100 surrogate flames have similar fv and temperature profiles when both flames have the same energy input. This suggests that the ester moiety does not have a major impact on soot formation. In addition, early production of CO and higher concentrations of some oxygenated species such as formaldehyde are observed in the predicted concentration contour plots of the B100 surrogate flame when they are compared to the n-decane flame. Reaction pathway analysis reveals that the higher peak concentrations of formaldehyde and the early production of CO from CH2CO and CH3CO2 that come directly from the ester moiety in the B100 surrogate are much more pronounced than other species in the B100 surrogate flame and are recognized as the main differentiating characteristics of the B100 surrogate flame from the n-decane flame. Laminar flame Elsevier Soot model Elsevier Transparent nascent soot Elsevier Formaldehyde Elsevier B100 biodiesel Elsevier Weingarten, Jason oth Thomson, Murray John oth Enthalten in Elsevier Boreddy, S.K.R. ELSEVIER Hygroscopic growth of water-soluble matter extracted from remote marine aerosols over the western North Pacific: Influence of pollutants transported from East Asia 2016transfer abstract Amsterdam [u.a.] (DE-627)ELV014705079 volume:35 year:2015 number:1 pages:905-912 extent:8 https://doi.org/10.1016/j.proci.2014.07.019 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_40 AR 35 2015 1 905-912 8 045F 660 |
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Enthalten in Hygroscopic growth of water-soluble matter extracted from remote marine aerosols over the western North Pacific: Influence of pollutants transported from East Asia Amsterdam [u.a.] volume:35 year:2015 number:1 pages:905-912 extent:8 |
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Enthalten in Hygroscopic growth of water-soluble matter extracted from remote marine aerosols over the western North Pacific: Influence of pollutants transported from East Asia Amsterdam [u.a.] volume:35 year:2015 number:1 pages:905-912 extent:8 |
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a study of the effects of the ester moiety on soot formation and species concentrations in a laminar coflow diffusion flame of a surrogate for b100 biodiesel |
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A study of the effects of the ester moiety on soot formation and species concentrations in a laminar coflow diffusion flame of a surrogate for B100 biodiesel |
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The effects of the ester moiety on soot formation and species concentrations in a laminar coflow diffusion flame of a surrogate for a B100 biodiesel are investigated. The surrogate is a mixture of 50% n-decane/50% methyl-octanoate (molar) to represent methyl-oleate. The combustion chemistry and soot formation are solved using a mechanism with 288 species and 2073 reactions coupled with a sectional soot model, respectively. Soot volume fraction (fv ) and temperature profiles are compared to the experimentally measured values for this biodiesel surrogate. In addition, the effects of the ester moiety on soot formation and flame chemistry are studied by numerically comparing the biodiesel surrogate flame with a pure n-decane flame. The model predicts both temperature and fv profiles with a good accuracy. Some discrepancies for fv on the flame centerline are observed between the model and the experiments; it is suggested that these discrepancies are because the model and the experiment cannot distinguish nascent transparent soot from mature soot and because the mechanism under-predicts PAH formation rates. Both n-decane and B100 surrogate flames have similar fv and temperature profiles when both flames have the same energy input. This suggests that the ester moiety does not have a major impact on soot formation. In addition, early production of CO and higher concentrations of some oxygenated species such as formaldehyde are observed in the predicted concentration contour plots of the B100 surrogate flame when they are compared to the n-decane flame. Reaction pathway analysis reveals that the higher peak concentrations of formaldehyde and the early production of CO from CH2CO and CH3CO2 that come directly from the ester moiety in the B100 surrogate are much more pronounced than other species in the B100 surrogate flame and are recognized as the main differentiating characteristics of the B100 surrogate flame from the n-decane flame. |
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The effects of the ester moiety on soot formation and species concentrations in a laminar coflow diffusion flame of a surrogate for a B100 biodiesel are investigated. The surrogate is a mixture of 50% n-decane/50% methyl-octanoate (molar) to represent methyl-oleate. The combustion chemistry and soot formation are solved using a mechanism with 288 species and 2073 reactions coupled with a sectional soot model, respectively. Soot volume fraction (fv ) and temperature profiles are compared to the experimentally measured values for this biodiesel surrogate. In addition, the effects of the ester moiety on soot formation and flame chemistry are studied by numerically comparing the biodiesel surrogate flame with a pure n-decane flame. The model predicts both temperature and fv profiles with a good accuracy. Some discrepancies for fv on the flame centerline are observed between the model and the experiments; it is suggested that these discrepancies are because the model and the experiment cannot distinguish nascent transparent soot from mature soot and because the mechanism under-predicts PAH formation rates. Both n-decane and B100 surrogate flames have similar fv and temperature profiles when both flames have the same energy input. This suggests that the ester moiety does not have a major impact on soot formation. In addition, early production of CO and higher concentrations of some oxygenated species such as formaldehyde are observed in the predicted concentration contour plots of the B100 surrogate flame when they are compared to the n-decane flame. Reaction pathway analysis reveals that the higher peak concentrations of formaldehyde and the early production of CO from CH2CO and CH3CO2 that come directly from the ester moiety in the B100 surrogate are much more pronounced than other species in the B100 surrogate flame and are recognized as the main differentiating characteristics of the B100 surrogate flame from the n-decane flame. |
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The effects of the ester moiety on soot formation and species concentrations in a laminar coflow diffusion flame of a surrogate for a B100 biodiesel are investigated. The surrogate is a mixture of 50% n-decane/50% methyl-octanoate (molar) to represent methyl-oleate. The combustion chemistry and soot formation are solved using a mechanism with 288 species and 2073 reactions coupled with a sectional soot model, respectively. Soot volume fraction (fv ) and temperature profiles are compared to the experimentally measured values for this biodiesel surrogate. In addition, the effects of the ester moiety on soot formation and flame chemistry are studied by numerically comparing the biodiesel surrogate flame with a pure n-decane flame. The model predicts both temperature and fv profiles with a good accuracy. Some discrepancies for fv on the flame centerline are observed between the model and the experiments; it is suggested that these discrepancies are because the model and the experiment cannot distinguish nascent transparent soot from mature soot and because the mechanism under-predicts PAH formation rates. Both n-decane and B100 surrogate flames have similar fv and temperature profiles when both flames have the same energy input. This suggests that the ester moiety does not have a major impact on soot formation. In addition, early production of CO and higher concentrations of some oxygenated species such as formaldehyde are observed in the predicted concentration contour plots of the B100 surrogate flame when they are compared to the n-decane flame. Reaction pathway analysis reveals that the higher peak concentrations of formaldehyde and the early production of CO from CH2CO and CH3CO2 that come directly from the ester moiety in the B100 surrogate are much more pronounced than other species in the B100 surrogate flame and are recognized as the main differentiating characteristics of the B100 surrogate flame from the n-decane flame. |
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In addition, early production of CO and higher concentrations of some oxygenated species such as formaldehyde are observed in the predicted concentration contour plots of the B100 surrogate flame when they are compared to the n-decane flame. 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ELSEVIER</subfield><subfield code="t">Hygroscopic growth of water-soluble matter extracted from remote marine aerosols over the western North Pacific: Influence of pollutants transported from East Asia</subfield><subfield code="d">2016transfer abstract</subfield><subfield code="g">Amsterdam [u.a.]</subfield><subfield code="w">(DE-627)ELV014705079</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:35</subfield><subfield code="g">year:2015</subfield><subfield code="g">number:1</subfield><subfield code="g">pages:905-912</subfield><subfield code="g">extent:8</subfield></datafield><datafield tag="856" ind1="4" ind2="0"><subfield code="u">https://doi.org/10.1016/j.proci.2014.07.019</subfield><subfield code="3">Volltext</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_USEFLAG_U</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ELV</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SYSFLAG_U</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OLC-PHA</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ILN_40</subfield></datafield><datafield tag="951" ind1=" " ind2=" "><subfield code="a">AR</subfield></datafield><datafield tag="952" ind1=" " ind2=" "><subfield code="d">35</subfield><subfield code="j">2015</subfield><subfield code="e">1</subfield><subfield code="h">905-912</subfield><subfield code="g">8</subfield></datafield><datafield tag="953" ind1=" " ind2=" "><subfield code="2">045F</subfield><subfield code="a">660</subfield></datafield></record></collection>
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