Numerical approaches for thermochemical conversion of char

This paper gives a review of the current state of the art for numerical simulations of char conversion. In particular, it presents models that have been developed to describe the physical and chemical phenomena that characterize thermochemical char conversion. All particle sizes are covered, ranging...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Haugen, Nils Erland L. [verfasserIn] Loong, Brandon Ka Yan [verfasserIn] Mitchell, Reginald E. [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	Char combustion gasification thermal annealing ash vaporization fragmentation numerical models

Übergeordnetes Werk:	Enthalten in: Progress in energy and combustion science - Amsterdam [u.a.] : Elsevier Science, 1975, 91
Übergeordnetes Werk:	volume:91

DOI / URN:	10.1016/j.pecs.2022.100993

Katalog-ID:	ELV007917430

Internformat


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245	1	0	\|a Numerical approaches for thermochemical conversion of char
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520			\|a This paper gives a review of the current state of the art for numerical simulations of char conversion. In particular, it presents models that have been developed to describe the physical and chemical phenomena that characterize thermochemical char conversion. All particle sizes are covered, ranging from pulverized particles to wood logs. The aim of the paper is to give the reader the required starting point in order to develop his own simulation tool. Two fundamentally different approaches are studied in detail, namely the resolved particle approach and the point particle approach. In the resolved approach, both the char particle itself and the surrounding boundary layer is resolved. This means that heat, mass and momentum transfer are accurately handled. For the point particle approach, which is computationally much cheaper, one has to rely on suitable models to estimate for example the heat, mass and momentum transfer. Finally, the paper also gives detailed descriptions of how to handle ash inclusions in the char in addition to particle fragmentation and thermal annealing.
650		4	\|a Char
650		4	\|a combustion
650		4	\|a gasification
650		4	\|a thermal annealing
650		4	\|a ash vaporization
650		4	\|a fragmentation
650		4	\|a numerical models
700	1		\|a Loong, Brandon Ka Yan \|e verfasserin \|4 aut
700	1		\|a Mitchell, Reginald E. \|e verfasserin \|4 aut
773	0	8	\|i Enthalten in \|t Progress in energy and combustion science \|d Amsterdam [u.a.] : Elsevier Science, 1975 \|g 91 \|h Online-Ressource \|w (DE-627)320599027 \|w (DE-600)2019939-9 \|w (DE-576)098474286 \|7 nnns
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936	b	k	\|a 52.51 \|j Feuerungstechnik
936	b	k	\|a 58.21 \|j Brennstoffe \|j Kraftstoffe \|j Explosivstoffe
936	b	k	\|a 50.70 \|j Energie: Allgemeines
951			\|a AR
952			\|d 91

Indexfelder

author_variant	n e l h nel nelh b k y l bky bkyl r e m re rem
matchkey_str	haugennilserlandlloongbrandonkayanmitche:2022----:ueiaapocefrhrohmclo
hierarchy_sort_str	2022
bklnumber	52.51 58.21 50.70
publishDate	2022
allfields	10.1016/j.pecs.2022.100993 doi (DE-627)ELV007917430 (ELSEVIER)S0360-1285(22)00002-8 DE-627 ger DE-627 rda eng 620 660 DE-600 52.51 bkl 58.21 bkl 50.70 bkl Haugen, Nils Erland L. verfasserin aut Numerical approaches for thermochemical conversion of char 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This paper gives a review of the current state of the art for numerical simulations of char conversion. In particular, it presents models that have been developed to describe the physical and chemical phenomena that characterize thermochemical char conversion. All particle sizes are covered, ranging from pulverized particles to wood logs. The aim of the paper is to give the reader the required starting point in order to develop his own simulation tool. Two fundamentally different approaches are studied in detail, namely the resolved particle approach and the point particle approach. In the resolved approach, both the char particle itself and the surrounding boundary layer is resolved. This means that heat, mass and momentum transfer are accurately handled. For the point particle approach, which is computationally much cheaper, one has to rely on suitable models to estimate for example the heat, mass and momentum transfer. Finally, the paper also gives detailed descriptions of how to handle ash inclusions in the char in addition to particle fragmentation and thermal annealing. Char combustion gasification thermal annealing ash vaporization fragmentation numerical models Loong, Brandon Ka Yan verfasserin aut Mitchell, Reginald E. verfasserin aut Enthalten in Progress in energy and combustion science Amsterdam [u.a.] : Elsevier Science, 1975 91 Online-Ressource (DE-627)320599027 (DE-600)2019939-9 (DE-576)098474286 nnns volume:91 GBV_USEFLAG_U SYSFLAG_U GBV_ELV 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 52.51 Feuerungstechnik 58.21 Brennstoffe Kraftstoffe Explosivstoffe 50.70 Energie: Allgemeines AR 91
spelling	10.1016/j.pecs.2022.100993 doi (DE-627)ELV007917430 (ELSEVIER)S0360-1285(22)00002-8 DE-627 ger DE-627 rda eng 620 660 DE-600 52.51 bkl 58.21 bkl 50.70 bkl Haugen, Nils Erland L. verfasserin aut Numerical approaches for thermochemical conversion of char 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This paper gives a review of the current state of the art for numerical simulations of char conversion. In particular, it presents models that have been developed to describe the physical and chemical phenomena that characterize thermochemical char conversion. All particle sizes are covered, ranging from pulverized particles to wood logs. The aim of the paper is to give the reader the required starting point in order to develop his own simulation tool. Two fundamentally different approaches are studied in detail, namely the resolved particle approach and the point particle approach. In the resolved approach, both the char particle itself and the surrounding boundary layer is resolved. This means that heat, mass and momentum transfer are accurately handled. For the point particle approach, which is computationally much cheaper, one has to rely on suitable models to estimate for example the heat, mass and momentum transfer. Finally, the paper also gives detailed descriptions of how to handle ash inclusions in the char in addition to particle fragmentation and thermal annealing. Char combustion gasification thermal annealing ash vaporization fragmentation numerical models Loong, Brandon Ka Yan verfasserin aut Mitchell, Reginald E. verfasserin aut Enthalten in Progress in energy and combustion science Amsterdam [u.a.] : Elsevier Science, 1975 91 Online-Ressource (DE-627)320599027 (DE-600)2019939-9 (DE-576)098474286 nnns volume:91 GBV_USEFLAG_U SYSFLAG_U GBV_ELV 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 52.51 Feuerungstechnik 58.21 Brennstoffe Kraftstoffe Explosivstoffe 50.70 Energie: Allgemeines AR 91
allfields_unstemmed	10.1016/j.pecs.2022.100993 doi (DE-627)ELV007917430 (ELSEVIER)S0360-1285(22)00002-8 DE-627 ger DE-627 rda eng 620 660 DE-600 52.51 bkl 58.21 bkl 50.70 bkl Haugen, Nils Erland L. verfasserin aut Numerical approaches for thermochemical conversion of char 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This paper gives a review of the current state of the art for numerical simulations of char conversion. In particular, it presents models that have been developed to describe the physical and chemical phenomena that characterize thermochemical char conversion. All particle sizes are covered, ranging from pulverized particles to wood logs. The aim of the paper is to give the reader the required starting point in order to develop his own simulation tool. Two fundamentally different approaches are studied in detail, namely the resolved particle approach and the point particle approach. In the resolved approach, both the char particle itself and the surrounding boundary layer is resolved. This means that heat, mass and momentum transfer are accurately handled. For the point particle approach, which is computationally much cheaper, one has to rely on suitable models to estimate for example the heat, mass and momentum transfer. Finally, the paper also gives detailed descriptions of how to handle ash inclusions in the char in addition to particle fragmentation and thermal annealing. Char combustion gasification thermal annealing ash vaporization fragmentation numerical models Loong, Brandon Ka Yan verfasserin aut Mitchell, Reginald E. verfasserin aut Enthalten in Progress in energy and combustion science Amsterdam [u.a.] : Elsevier Science, 1975 91 Online-Ressource (DE-627)320599027 (DE-600)2019939-9 (DE-576)098474286 nnns volume:91 GBV_USEFLAG_U SYSFLAG_U GBV_ELV 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 52.51 Feuerungstechnik 58.21 Brennstoffe Kraftstoffe Explosivstoffe 50.70 Energie: Allgemeines AR 91
allfieldsGer	10.1016/j.pecs.2022.100993 doi (DE-627)ELV007917430 (ELSEVIER)S0360-1285(22)00002-8 DE-627 ger DE-627 rda eng 620 660 DE-600 52.51 bkl 58.21 bkl 50.70 bkl Haugen, Nils Erland L. verfasserin aut Numerical approaches for thermochemical conversion of char 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This paper gives a review of the current state of the art for numerical simulations of char conversion. In particular, it presents models that have been developed to describe the physical and chemical phenomena that characterize thermochemical char conversion. All particle sizes are covered, ranging from pulverized particles to wood logs. The aim of the paper is to give the reader the required starting point in order to develop his own simulation tool. Two fundamentally different approaches are studied in detail, namely the resolved particle approach and the point particle approach. In the resolved approach, both the char particle itself and the surrounding boundary layer is resolved. This means that heat, mass and momentum transfer are accurately handled. For the point particle approach, which is computationally much cheaper, one has to rely on suitable models to estimate for example the heat, mass and momentum transfer. Finally, the paper also gives detailed descriptions of how to handle ash inclusions in the char in addition to particle fragmentation and thermal annealing. Char combustion gasification thermal annealing ash vaporization fragmentation numerical models Loong, Brandon Ka Yan verfasserin aut Mitchell, Reginald E. verfasserin aut Enthalten in Progress in energy and combustion science Amsterdam [u.a.] : Elsevier Science, 1975 91 Online-Ressource (DE-627)320599027 (DE-600)2019939-9 (DE-576)098474286 nnns volume:91 GBV_USEFLAG_U SYSFLAG_U GBV_ELV 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 52.51 Feuerungstechnik 58.21 Brennstoffe Kraftstoffe Explosivstoffe 50.70 Energie: Allgemeines AR 91
allfieldsSound	10.1016/j.pecs.2022.100993 doi (DE-627)ELV007917430 (ELSEVIER)S0360-1285(22)00002-8 DE-627 ger DE-627 rda eng 620 660 DE-600 52.51 bkl 58.21 bkl 50.70 bkl Haugen, Nils Erland L. verfasserin aut Numerical approaches for thermochemical conversion of char 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This paper gives a review of the current state of the art for numerical simulations of char conversion. In particular, it presents models that have been developed to describe the physical and chemical phenomena that characterize thermochemical char conversion. All particle sizes are covered, ranging from pulverized particles to wood logs. The aim of the paper is to give the reader the required starting point in order to develop his own simulation tool. Two fundamentally different approaches are studied in detail, namely the resolved particle approach and the point particle approach. In the resolved approach, both the char particle itself and the surrounding boundary layer is resolved. This means that heat, mass and momentum transfer are accurately handled. For the point particle approach, which is computationally much cheaper, one has to rely on suitable models to estimate for example the heat, mass and momentum transfer. Finally, the paper also gives detailed descriptions of how to handle ash inclusions in the char in addition to particle fragmentation and thermal annealing. Char combustion gasification thermal annealing ash vaporization fragmentation numerical models Loong, Brandon Ka Yan verfasserin aut Mitchell, Reginald E. verfasserin aut Enthalten in Progress in energy and combustion science Amsterdam [u.a.] : Elsevier Science, 1975 91 Online-Ressource (DE-627)320599027 (DE-600)2019939-9 (DE-576)098474286 nnns volume:91 GBV_USEFLAG_U SYSFLAG_U GBV_ELV 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 52.51 Feuerungstechnik 58.21 Brennstoffe Kraftstoffe Explosivstoffe 50.70 Energie: Allgemeines AR 91
language	English
source	Enthalten in Progress in energy and combustion science 91 volume:91
sourceStr	Enthalten in Progress in energy and combustion science 91 volume:91
format_phy_str_mv	Article
bklname	Feuerungstechnik Brennstoffe Kraftstoffe Explosivstoffe Energie: Allgemeines
institution	findex.gbv.de
topic_facet	Char combustion gasification thermal annealing ash vaporization fragmentation numerical models
dewey-raw	620
isfreeaccess_bool	false
container_title	Progress in energy and combustion science
authorswithroles_txt_mv	Haugen, Nils Erland L. @@aut@@ Loong, Brandon Ka Yan @@aut@@ Mitchell, Reginald E. @@aut@@
publishDateDaySort_date	2022-01-01T00:00:00Z
hierarchy_top_id	320599027
dewey-sort	3620
id	ELV007917430
language_de	englisch
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author	Haugen, Nils Erland L.
spellingShingle	Haugen, Nils Erland L. ddc 620 bkl 52.51 bkl 58.21 bkl 50.70 misc Char misc combustion misc gasification misc thermal annealing misc ash vaporization misc fragmentation misc numerical models Numerical approaches for thermochemical conversion of char
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topic_title	620 660 DE-600 52.51 bkl 58.21 bkl 50.70 bkl Numerical approaches for thermochemical conversion of char Char combustion gasification thermal annealing ash vaporization fragmentation numerical models
topic	ddc 620 bkl 52.51 bkl 58.21 bkl 50.70 misc Char misc combustion misc gasification misc thermal annealing misc ash vaporization misc fragmentation misc numerical models
topic_unstemmed	ddc 620 bkl 52.51 bkl 58.21 bkl 50.70 misc Char misc combustion misc gasification misc thermal annealing misc ash vaporization misc fragmentation misc numerical models
topic_browse	ddc 620 bkl 52.51 bkl 58.21 bkl 50.70 misc Char misc combustion misc gasification misc thermal annealing misc ash vaporization misc fragmentation misc numerical models
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title	Numerical approaches for thermochemical conversion of char
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title_full	Numerical approaches for thermochemical conversion of char
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title_sort	numerical approaches for thermochemical conversion of char
title_auth	Numerical approaches for thermochemical conversion of char
abstract	This paper gives a review of the current state of the art for numerical simulations of char conversion. In particular, it presents models that have been developed to describe the physical and chemical phenomena that characterize thermochemical char conversion. All particle sizes are covered, ranging from pulverized particles to wood logs. The aim of the paper is to give the reader the required starting point in order to develop his own simulation tool. Two fundamentally different approaches are studied in detail, namely the resolved particle approach and the point particle approach. In the resolved approach, both the char particle itself and the surrounding boundary layer is resolved. This means that heat, mass and momentum transfer are accurately handled. For the point particle approach, which is computationally much cheaper, one has to rely on suitable models to estimate for example the heat, mass and momentum transfer. Finally, the paper also gives detailed descriptions of how to handle ash inclusions in the char in addition to particle fragmentation and thermal annealing.
abstractGer	This paper gives a review of the current state of the art for numerical simulations of char conversion. In particular, it presents models that have been developed to describe the physical and chemical phenomena that characterize thermochemical char conversion. All particle sizes are covered, ranging from pulverized particles to wood logs. The aim of the paper is to give the reader the required starting point in order to develop his own simulation tool. Two fundamentally different approaches are studied in detail, namely the resolved particle approach and the point particle approach. In the resolved approach, both the char particle itself and the surrounding boundary layer is resolved. This means that heat, mass and momentum transfer are accurately handled. For the point particle approach, which is computationally much cheaper, one has to rely on suitable models to estimate for example the heat, mass and momentum transfer. Finally, the paper also gives detailed descriptions of how to handle ash inclusions in the char in addition to particle fragmentation and thermal annealing.
abstract_unstemmed	This paper gives a review of the current state of the art for numerical simulations of char conversion. In particular, it presents models that have been developed to describe the physical and chemical phenomena that characterize thermochemical char conversion. All particle sizes are covered, ranging from pulverized particles to wood logs. The aim of the paper is to give the reader the required starting point in order to develop his own simulation tool. Two fundamentally different approaches are studied in detail, namely the resolved particle approach and the point particle approach. In the resolved approach, both the char particle itself and the surrounding boundary layer is resolved. This means that heat, mass and momentum transfer are accurately handled. For the point particle approach, which is computationally much cheaper, one has to rely on suitable models to estimate for example the heat, mass and momentum transfer. Finally, the paper also gives detailed descriptions of how to handle ash inclusions in the char in addition to particle fragmentation and thermal annealing.
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title_short	Numerical approaches for thermochemical conversion of char
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Numerical approaches for thermochemical conversion of char

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