The conversion mode of a porous carbon particle during oxidation and gasification
Studies have shown that both char particle diameter and apparent density vary during char conversion at high temperatures. To account for such variations, power-law expressions have been used to correlate r p /r p,0 and ρ p /ρ p,0 with m p /m p,0. The parameters in these relations are constants, thu...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Haugen, Nils Erland L. [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2014transfer abstract |
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| Schlagwörter: |
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| Umfang: |
8 |
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| Übergeordnetes Werk: |
Enthalten in: Methods for detecting change in hydrochemical time series in response to targeted pollutant mitigation in river catchments - Lloyd, C.E.M. ELSEVIER, 2014, the journal of the Combustion Institute, Amsterdam [u.a.] |
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| Übergeordnetes Werk: |
volume:161 ; year:2014 ; number:2 ; pages:612-619 ; extent:8 |
| Links: |
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| DOI / URN: |
10.1016/j.combustflame.2013.09.012 |
|---|
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| 245 | 1 | 4 | |a The conversion mode of a porous carbon particle during oxidation and gasification |
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| 520 | |a Studies have shown that both char particle diameter and apparent density vary during char conversion at high temperatures. To account for such variations, power-law expressions have been used to correlate r p /r p,0 and ρ p /ρ p,0 with m p /m p,0. The parameters in these relations are constants, thus this approach fails to account for variations in the functional relationship between mass, size, and apparent density as mass conversion proceeds. To overcome this limitation, a model for the mode of particle conversion has been developed that permits the variation in size and apparent density with mass loss to depend upon the Thiele modulus, which varies during char conversion. The rate with which the particle radius decreases is shown to be given by the ratio of the time derivative and the spatial derivative of the particle density at the surface of the particle. The model presented can be used to describe the mode of conversion of reactive porous particles in a range of different applications such as entrained flow gasifiers, pulverized coal burners and circulating fluidized bed combustors. There are no free tunable parameters in the model. | ||
| 520 | |a Studies have shown that both char particle diameter and apparent density vary during char conversion at high temperatures. To account for such variations, power-law expressions have been used to correlate r p /r p,0 and ρ p /ρ p,0 with m p /m p,0. The parameters in these relations are constants, thus this approach fails to account for variations in the functional relationship between mass, size, and apparent density as mass conversion proceeds. To overcome this limitation, a model for the mode of particle conversion has been developed that permits the variation in size and apparent density with mass loss to depend upon the Thiele modulus, which varies during char conversion. The rate with which the particle radius decreases is shown to be given by the ratio of the time derivative and the spatial derivative of the particle density at the surface of the particle. The model presented can be used to describe the mode of conversion of reactive porous particles in a range of different applications such as entrained flow gasifiers, pulverized coal burners and circulating fluidized bed combustors. There are no free tunable parameters in the model. | ||
| 650 | 7 | |a Porous particle |2 Elsevier | |
| 650 | 7 | |a Char conversion mode |2 Elsevier | |
| 650 | 7 | |a Combustion |2 Elsevier | |
| 700 | 1 | |a Tilghman, Matthew B. |4 oth | |
| 700 | 1 | |a Mitchell, Reginald E. |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier Science |a Lloyd, C.E.M. ELSEVIER |t Methods for detecting change in hydrochemical time series in response to targeted pollutant mitigation in river catchments |d 2014 |d the journal of the Combustion Institute |g Amsterdam [u.a.] |w (DE-627)ELV018057144 |
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10.1016/j.combustflame.2013.09.012 doi GBVA2014020000011.pica (DE-627)ELV039523780 (ELSEVIER)S0010-2180(13)00344-1 DE-627 ger DE-627 rakwb eng 620 620 DE-600 690 VZ 610 VZ 74.00 bkl 44.73 bkl Haugen, Nils Erland L. verfasserin aut The conversion mode of a porous carbon particle during oxidation and gasification 2014transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Studies have shown that both char particle diameter and apparent density vary during char conversion at high temperatures. To account for such variations, power-law expressions have been used to correlate r p /r p,0 and ρ p /ρ p,0 with m p /m p,0. The parameters in these relations are constants, thus this approach fails to account for variations in the functional relationship between mass, size, and apparent density as mass conversion proceeds. To overcome this limitation, a model for the mode of particle conversion has been developed that permits the variation in size and apparent density with mass loss to depend upon the Thiele modulus, which varies during char conversion. The rate with which the particle radius decreases is shown to be given by the ratio of the time derivative and the spatial derivative of the particle density at the surface of the particle. The model presented can be used to describe the mode of conversion of reactive porous particles in a range of different applications such as entrained flow gasifiers, pulverized coal burners and circulating fluidized bed combustors. There are no free tunable parameters in the model. Studies have shown that both char particle diameter and apparent density vary during char conversion at high temperatures. To account for such variations, power-law expressions have been used to correlate r p /r p,0 and ρ p /ρ p,0 with m p /m p,0. The parameters in these relations are constants, thus this approach fails to account for variations in the functional relationship between mass, size, and apparent density as mass conversion proceeds. To overcome this limitation, a model for the mode of particle conversion has been developed that permits the variation in size and apparent density with mass loss to depend upon the Thiele modulus, which varies during char conversion. The rate with which the particle radius decreases is shown to be given by the ratio of the time derivative and the spatial derivative of the particle density at the surface of the particle. The model presented can be used to describe the mode of conversion of reactive porous particles in a range of different applications such as entrained flow gasifiers, pulverized coal burners and circulating fluidized bed combustors. There are no free tunable parameters in the model. Porous particle Elsevier Char conversion mode Elsevier Combustion Elsevier Tilghman, Matthew B. oth Mitchell, Reginald E. oth Enthalten in Elsevier Science Lloyd, C.E.M. ELSEVIER Methods for detecting change in hydrochemical time series in response to targeted pollutant mitigation in river catchments 2014 the journal of the Combustion Institute Amsterdam [u.a.] (DE-627)ELV018057144 volume:161 year:2014 number:2 pages:612-619 extent:8 https://doi.org/10.1016/j.combustflame.2013.09.012 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA SSG-OPC-GGO GBV_ILN_70 74.00 Geographie Anthropogeographie: Allgemeines VZ 44.73 Geomedizin VZ AR 161 2014 2 612-619 8 045F 620 |
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10.1016/j.combustflame.2013.09.012 doi GBVA2014020000011.pica (DE-627)ELV039523780 (ELSEVIER)S0010-2180(13)00344-1 DE-627 ger DE-627 rakwb eng 620 620 DE-600 690 VZ 610 VZ 74.00 bkl 44.73 bkl Haugen, Nils Erland L. verfasserin aut The conversion mode of a porous carbon particle during oxidation and gasification 2014transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Studies have shown that both char particle diameter and apparent density vary during char conversion at high temperatures. To account for such variations, power-law expressions have been used to correlate r p /r p,0 and ρ p /ρ p,0 with m p /m p,0. The parameters in these relations are constants, thus this approach fails to account for variations in the functional relationship between mass, size, and apparent density as mass conversion proceeds. To overcome this limitation, a model for the mode of particle conversion has been developed that permits the variation in size and apparent density with mass loss to depend upon the Thiele modulus, which varies during char conversion. The rate with which the particle radius decreases is shown to be given by the ratio of the time derivative and the spatial derivative of the particle density at the surface of the particle. The model presented can be used to describe the mode of conversion of reactive porous particles in a range of different applications such as entrained flow gasifiers, pulverized coal burners and circulating fluidized bed combustors. There are no free tunable parameters in the model. Studies have shown that both char particle diameter and apparent density vary during char conversion at high temperatures. To account for such variations, power-law expressions have been used to correlate r p /r p,0 and ρ p /ρ p,0 with m p /m p,0. The parameters in these relations are constants, thus this approach fails to account for variations in the functional relationship between mass, size, and apparent density as mass conversion proceeds. To overcome this limitation, a model for the mode of particle conversion has been developed that permits the variation in size and apparent density with mass loss to depend upon the Thiele modulus, which varies during char conversion. The rate with which the particle radius decreases is shown to be given by the ratio of the time derivative and the spatial derivative of the particle density at the surface of the particle. The model presented can be used to describe the mode of conversion of reactive porous particles in a range of different applications such as entrained flow gasifiers, pulverized coal burners and circulating fluidized bed combustors. There are no free tunable parameters in the model. Porous particle Elsevier Char conversion mode Elsevier Combustion Elsevier Tilghman, Matthew B. oth Mitchell, Reginald E. oth Enthalten in Elsevier Science Lloyd, C.E.M. ELSEVIER Methods for detecting change in hydrochemical time series in response to targeted pollutant mitigation in river catchments 2014 the journal of the Combustion Institute Amsterdam [u.a.] (DE-627)ELV018057144 volume:161 year:2014 number:2 pages:612-619 extent:8 https://doi.org/10.1016/j.combustflame.2013.09.012 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA SSG-OPC-GGO GBV_ILN_70 74.00 Geographie Anthropogeographie: Allgemeines VZ 44.73 Geomedizin VZ AR 161 2014 2 612-619 8 045F 620 |
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10.1016/j.combustflame.2013.09.012 doi GBVA2014020000011.pica (DE-627)ELV039523780 (ELSEVIER)S0010-2180(13)00344-1 DE-627 ger DE-627 rakwb eng 620 620 DE-600 690 VZ 610 VZ 74.00 bkl 44.73 bkl Haugen, Nils Erland L. verfasserin aut The conversion mode of a porous carbon particle during oxidation and gasification 2014transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Studies have shown that both char particle diameter and apparent density vary during char conversion at high temperatures. To account for such variations, power-law expressions have been used to correlate r p /r p,0 and ρ p /ρ p,0 with m p /m p,0. The parameters in these relations are constants, thus this approach fails to account for variations in the functional relationship between mass, size, and apparent density as mass conversion proceeds. To overcome this limitation, a model for the mode of particle conversion has been developed that permits the variation in size and apparent density with mass loss to depend upon the Thiele modulus, which varies during char conversion. The rate with which the particle radius decreases is shown to be given by the ratio of the time derivative and the spatial derivative of the particle density at the surface of the particle. The model presented can be used to describe the mode of conversion of reactive porous particles in a range of different applications such as entrained flow gasifiers, pulverized coal burners and circulating fluidized bed combustors. There are no free tunable parameters in the model. Studies have shown that both char particle diameter and apparent density vary during char conversion at high temperatures. To account for such variations, power-law expressions have been used to correlate r p /r p,0 and ρ p /ρ p,0 with m p /m p,0. The parameters in these relations are constants, thus this approach fails to account for variations in the functional relationship between mass, size, and apparent density as mass conversion proceeds. To overcome this limitation, a model for the mode of particle conversion has been developed that permits the variation in size and apparent density with mass loss to depend upon the Thiele modulus, which varies during char conversion. The rate with which the particle radius decreases is shown to be given by the ratio of the time derivative and the spatial derivative of the particle density at the surface of the particle. The model presented can be used to describe the mode of conversion of reactive porous particles in a range of different applications such as entrained flow gasifiers, pulverized coal burners and circulating fluidized bed combustors. There are no free tunable parameters in the model. Porous particle Elsevier Char conversion mode Elsevier Combustion Elsevier Tilghman, Matthew B. oth Mitchell, Reginald E. oth Enthalten in Elsevier Science Lloyd, C.E.M. ELSEVIER Methods for detecting change in hydrochemical time series in response to targeted pollutant mitigation in river catchments 2014 the journal of the Combustion Institute Amsterdam [u.a.] (DE-627)ELV018057144 volume:161 year:2014 number:2 pages:612-619 extent:8 https://doi.org/10.1016/j.combustflame.2013.09.012 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA SSG-OPC-GGO GBV_ILN_70 74.00 Geographie Anthropogeographie: Allgemeines VZ 44.73 Geomedizin VZ AR 161 2014 2 612-619 8 045F 620 |
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10.1016/j.combustflame.2013.09.012 doi GBVA2014020000011.pica (DE-627)ELV039523780 (ELSEVIER)S0010-2180(13)00344-1 DE-627 ger DE-627 rakwb eng 620 620 DE-600 690 VZ 610 VZ 74.00 bkl 44.73 bkl Haugen, Nils Erland L. verfasserin aut The conversion mode of a porous carbon particle during oxidation and gasification 2014transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Studies have shown that both char particle diameter and apparent density vary during char conversion at high temperatures. To account for such variations, power-law expressions have been used to correlate r p /r p,0 and ρ p /ρ p,0 with m p /m p,0. The parameters in these relations are constants, thus this approach fails to account for variations in the functional relationship between mass, size, and apparent density as mass conversion proceeds. To overcome this limitation, a model for the mode of particle conversion has been developed that permits the variation in size and apparent density with mass loss to depend upon the Thiele modulus, which varies during char conversion. The rate with which the particle radius decreases is shown to be given by the ratio of the time derivative and the spatial derivative of the particle density at the surface of the particle. The model presented can be used to describe the mode of conversion of reactive porous particles in a range of different applications such as entrained flow gasifiers, pulverized coal burners and circulating fluidized bed combustors. There are no free tunable parameters in the model. Studies have shown that both char particle diameter and apparent density vary during char conversion at high temperatures. To account for such variations, power-law expressions have been used to correlate r p /r p,0 and ρ p /ρ p,0 with m p /m p,0. The parameters in these relations are constants, thus this approach fails to account for variations in the functional relationship between mass, size, and apparent density as mass conversion proceeds. To overcome this limitation, a model for the mode of particle conversion has been developed that permits the variation in size and apparent density with mass loss to depend upon the Thiele modulus, which varies during char conversion. The rate with which the particle radius decreases is shown to be given by the ratio of the time derivative and the spatial derivative of the particle density at the surface of the particle. The model presented can be used to describe the mode of conversion of reactive porous particles in a range of different applications such as entrained flow gasifiers, pulverized coal burners and circulating fluidized bed combustors. There are no free tunable parameters in the model. Porous particle Elsevier Char conversion mode Elsevier Combustion Elsevier Tilghman, Matthew B. oth Mitchell, Reginald E. oth Enthalten in Elsevier Science Lloyd, C.E.M. ELSEVIER Methods for detecting change in hydrochemical time series in response to targeted pollutant mitigation in river catchments 2014 the journal of the Combustion Institute Amsterdam [u.a.] (DE-627)ELV018057144 volume:161 year:2014 number:2 pages:612-619 extent:8 https://doi.org/10.1016/j.combustflame.2013.09.012 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA SSG-OPC-GGO GBV_ILN_70 74.00 Geographie Anthropogeographie: Allgemeines VZ 44.73 Geomedizin VZ AR 161 2014 2 612-619 8 045F 620 |
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10.1016/j.combustflame.2013.09.012 doi GBVA2014020000011.pica (DE-627)ELV039523780 (ELSEVIER)S0010-2180(13)00344-1 DE-627 ger DE-627 rakwb eng 620 620 DE-600 690 VZ 610 VZ 74.00 bkl 44.73 bkl Haugen, Nils Erland L. verfasserin aut The conversion mode of a porous carbon particle during oxidation and gasification 2014transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Studies have shown that both char particle diameter and apparent density vary during char conversion at high temperatures. To account for such variations, power-law expressions have been used to correlate r p /r p,0 and ρ p /ρ p,0 with m p /m p,0. The parameters in these relations are constants, thus this approach fails to account for variations in the functional relationship between mass, size, and apparent density as mass conversion proceeds. To overcome this limitation, a model for the mode of particle conversion has been developed that permits the variation in size and apparent density with mass loss to depend upon the Thiele modulus, which varies during char conversion. The rate with which the particle radius decreases is shown to be given by the ratio of the time derivative and the spatial derivative of the particle density at the surface of the particle. The model presented can be used to describe the mode of conversion of reactive porous particles in a range of different applications such as entrained flow gasifiers, pulverized coal burners and circulating fluidized bed combustors. There are no free tunable parameters in the model. Studies have shown that both char particle diameter and apparent density vary during char conversion at high temperatures. To account for such variations, power-law expressions have been used to correlate r p /r p,0 and ρ p /ρ p,0 with m p /m p,0. The parameters in these relations are constants, thus this approach fails to account for variations in the functional relationship between mass, size, and apparent density as mass conversion proceeds. To overcome this limitation, a model for the mode of particle conversion has been developed that permits the variation in size and apparent density with mass loss to depend upon the Thiele modulus, which varies during char conversion. The rate with which the particle radius decreases is shown to be given by the ratio of the time derivative and the spatial derivative of the particle density at the surface of the particle. The model presented can be used to describe the mode of conversion of reactive porous particles in a range of different applications such as entrained flow gasifiers, pulverized coal burners and circulating fluidized bed combustors. There are no free tunable parameters in the model. Porous particle Elsevier Char conversion mode Elsevier Combustion Elsevier Tilghman, Matthew B. oth Mitchell, Reginald E. oth Enthalten in Elsevier Science Lloyd, C.E.M. ELSEVIER Methods for detecting change in hydrochemical time series in response to targeted pollutant mitigation in river catchments 2014 the journal of the Combustion Institute Amsterdam [u.a.] (DE-627)ELV018057144 volume:161 year:2014 number:2 pages:612-619 extent:8 https://doi.org/10.1016/j.combustflame.2013.09.012 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA SSG-OPC-GGO GBV_ILN_70 74.00 Geographie Anthropogeographie: Allgemeines VZ 44.73 Geomedizin VZ AR 161 2014 2 612-619 8 045F 620 |
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Enthalten in Methods for detecting change in hydrochemical time series in response to targeted pollutant mitigation in river catchments Amsterdam [u.a.] volume:161 year:2014 number:2 pages:612-619 extent:8 |
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Methods for detecting change in hydrochemical time series in response to targeted pollutant mitigation in river catchments |
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To account for such variations, power-law expressions have been used to correlate r p /r p,0 and ρ p /ρ p,0 with m p /m p,0. The parameters in these relations are constants, thus this approach fails to account for variations in the functional relationship between mass, size, and apparent density as mass conversion proceeds. To overcome this limitation, a model for the mode of particle conversion has been developed that permits the variation in size and apparent density with mass loss to depend upon the Thiele modulus, which varies during char conversion. The rate with which the particle radius decreases is shown to be given by the ratio of the time derivative and the spatial derivative of the particle density at the surface of the particle. The model presented can be used to describe the mode of conversion of reactive porous particles in a range of different applications such as entrained flow gasifiers, pulverized coal burners and circulating fluidized bed combustors. 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Methods for detecting change in hydrochemical time series in response to targeted pollutant mitigation in river catchments |
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conversion mode of a porous carbon particle during oxidation and gasification |
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The conversion mode of a porous carbon particle during oxidation and gasification |
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Studies have shown that both char particle diameter and apparent density vary during char conversion at high temperatures. To account for such variations, power-law expressions have been used to correlate r p /r p,0 and ρ p /ρ p,0 with m p /m p,0. The parameters in these relations are constants, thus this approach fails to account for variations in the functional relationship between mass, size, and apparent density as mass conversion proceeds. To overcome this limitation, a model for the mode of particle conversion has been developed that permits the variation in size and apparent density with mass loss to depend upon the Thiele modulus, which varies during char conversion. The rate with which the particle radius decreases is shown to be given by the ratio of the time derivative and the spatial derivative of the particle density at the surface of the particle. The model presented can be used to describe the mode of conversion of reactive porous particles in a range of different applications such as entrained flow gasifiers, pulverized coal burners and circulating fluidized bed combustors. There are no free tunable parameters in the model. |
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Studies have shown that both char particle diameter and apparent density vary during char conversion at high temperatures. To account for such variations, power-law expressions have been used to correlate r p /r p,0 and ρ p /ρ p,0 with m p /m p,0. The parameters in these relations are constants, thus this approach fails to account for variations in the functional relationship between mass, size, and apparent density as mass conversion proceeds. To overcome this limitation, a model for the mode of particle conversion has been developed that permits the variation in size and apparent density with mass loss to depend upon the Thiele modulus, which varies during char conversion. The rate with which the particle radius decreases is shown to be given by the ratio of the time derivative and the spatial derivative of the particle density at the surface of the particle. The model presented can be used to describe the mode of conversion of reactive porous particles in a range of different applications such as entrained flow gasifiers, pulverized coal burners and circulating fluidized bed combustors. There are no free tunable parameters in the model. |
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Studies have shown that both char particle diameter and apparent density vary during char conversion at high temperatures. To account for such variations, power-law expressions have been used to correlate r p /r p,0 and ρ p /ρ p,0 with m p /m p,0. The parameters in these relations are constants, thus this approach fails to account for variations in the functional relationship between mass, size, and apparent density as mass conversion proceeds. To overcome this limitation, a model for the mode of particle conversion has been developed that permits the variation in size and apparent density with mass loss to depend upon the Thiele modulus, which varies during char conversion. The rate with which the particle radius decreases is shown to be given by the ratio of the time derivative and the spatial derivative of the particle density at the surface of the particle. The model presented can be used to describe the mode of conversion of reactive porous particles in a range of different applications such as entrained flow gasifiers, pulverized coal burners and circulating fluidized bed combustors. There are no free tunable parameters in the model. |
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