Smoldering spot ignition of natural fuels by a hot metal particle

The spotting ignition of combustible material by hot metal particles is an important pathway by which wildland and urban spot fires are started. Upon impact with a fuel, such as dry grass, duff, or saw dust, these particles can initiate spot fires by direct flaming or smoldering can transition to fl...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Urban, James L. [verfasserIn] Zak, Casey D. [verfasserIn] Song, Jiayun [verfasserIn] Fernandez-Pello, Carlos [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2016

Schlagwörter:	Spot fire ignition Wildland fires Biomass combustion Smoldering ignition Wildland urban interface fires

Übergeordnetes Werk:	Enthalten in: Proceedings of the Combustion Institute - Combustion Institute ; ID: gnd/1004025-0, Amsterdam [u.a.] : Elsevier, 2000, 36, Seite 3211-3218
Übergeordnetes Werk:	volume:36 ; pages:3211-3218

DOI / URN:	10.1016/j.proci.2016.09.014

Katalog-ID:	ELV001923706

Internformat


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245	1	0	\|a Smoldering spot ignition of natural fuels by a hot metal particle
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520			\|a The spotting ignition of combustible material by hot metal particles is an important pathway by which wildland and urban spot fires are started. Upon impact with a fuel, such as dry grass, duff, or saw dust, these particles can initiate spot fires by direct flaming or smoldering can transition to flaming. In spite of the relative frequency that fires are initiated by hot metal particles, there is little work published that addresses the ignition capabilities of hot metal particles landing on natural fuels, especially regarding smoldering ignition. This work is an experimental and analytical study of how the flaming and smoldering propensities of powdered natural fuel beds in contact with hot metal particles are affected by differences in the particle characteristics, particularly the effect of particle melting, which adds energy to the particle. In the experiments, stainless steel and aluminum particles ranging in size from 1.6 to 8 mm in diameter are heated to various temperatures between 500 and 1100°C and dropped onto a fuel bed composed of a powder grass blend. It is observed that the ignition boundary both for flaming and smoldering follows a hyperbolic relationship between particle size and temperature, with smaller particles requiring higher temperatures to ignite the fuel. For both metal particles smoldering ignition occurs at significantly lower temperatures than flaming ignition. A simplified numerical model is developed to help understand smoldering ignition by a metal particle and to examine how the melting influences the ignition process. Good qualitative agreement is obtained between the model predictions and the experiments suggesting that the model provides a first step toward the theoretical modeling of this complex problem.
650		4	\|a Spot fire ignition
650		4	\|a Wildland fires
650		4	\|a Biomass combustion
650		4	\|a Smoldering ignition
650		4	\|a Wildland urban interface fires
700	1		\|a Zak, Casey D. \|e verfasserin \|4 aut
700	1		\|a Song, Jiayun \|e verfasserin \|4 aut
700	1		\|a Fernandez-Pello, Carlos \|e verfasserin \|4 aut
773	0	8	\|i Enthalten in \|a Combustion Institute ; ID: gnd/1004025-0 \|t Proceedings of the Combustion Institute \|d Amsterdam [u.a.] : Elsevier, 2000 \|g 36, Seite 3211-3218 \|h Online-Ressource \|w (DE-627)495741140 \|w (DE-600)2197968-6 \|w (DE-576)259486582 \|x 1873-2704 \|7 nnns
773	1	8	\|g volume:36 \|g pages:3211-3218
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912			\|a GBV_ILN_23
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912			\|a GBV_ILN_31
912			\|a GBV_ILN_32
912			\|a GBV_ILN_40
912			\|a GBV_ILN_60
912			\|a GBV_ILN_62
912			\|a GBV_ILN_63
912			\|a GBV_ILN_65
912			\|a GBV_ILN_69
912			\|a GBV_ILN_70
912			\|a GBV_ILN_73
912			\|a GBV_ILN_74
912			\|a GBV_ILN_90
912			\|a GBV_ILN_95
912			\|a GBV_ILN_100
912			\|a GBV_ILN_105
912			\|a GBV_ILN_110
912			\|a GBV_ILN_150
912			\|a GBV_ILN_151
912			\|a GBV_ILN_224
912			\|a GBV_ILN_370
912			\|a GBV_ILN_602
912			\|a GBV_ILN_702
912			\|a GBV_ILN_2001
912			\|a GBV_ILN_2003
912			\|a GBV_ILN_2004
912			\|a GBV_ILN_2005
912			\|a GBV_ILN_2006
912			\|a GBV_ILN_2007
912			\|a GBV_ILN_2008
912			\|a GBV_ILN_2009
912			\|a GBV_ILN_2011
912			\|a GBV_ILN_2014
912			\|a GBV_ILN_2015
912			\|a GBV_ILN_2020
912			\|a GBV_ILN_2021
912			\|a GBV_ILN_2025
912			\|a GBV_ILN_2026
912			\|a GBV_ILN_2027
912			\|a GBV_ILN_2031
912			\|a GBV_ILN_2034
912			\|a GBV_ILN_2037
912			\|a GBV_ILN_2038
912			\|a GBV_ILN_2039
912			\|a GBV_ILN_2044
912			\|a GBV_ILN_2048
912			\|a GBV_ILN_2049
912			\|a GBV_ILN_2050
912			\|a GBV_ILN_2055
912			\|a GBV_ILN_2056
912			\|a GBV_ILN_2059
912			\|a GBV_ILN_2061
912			\|a GBV_ILN_2064
912			\|a GBV_ILN_2065
912			\|a GBV_ILN_2068
912			\|a GBV_ILN_2070
912			\|a GBV_ILN_2086
912			\|a GBV_ILN_2088
912			\|a GBV_ILN_2098
912			\|a GBV_ILN_2106
912			\|a GBV_ILN_2108
912			\|a GBV_ILN_2111
912			\|a GBV_ILN_2112
912			\|a GBV_ILN_2113
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912			\|a GBV_ILN_2118
912			\|a GBV_ILN_2119
912			\|a GBV_ILN_2122
912			\|a GBV_ILN_2129
912			\|a GBV_ILN_2143
912			\|a GBV_ILN_2144
912			\|a GBV_ILN_2147
912			\|a GBV_ILN_2148
912			\|a GBV_ILN_2152
912			\|a GBV_ILN_2153
912			\|a GBV_ILN_2188
912			\|a GBV_ILN_2190
912			\|a GBV_ILN_2232
912			\|a GBV_ILN_2336
912			\|a GBV_ILN_2470
912			\|a GBV_ILN_2507
912			\|a GBV_ILN_2522
912			\|a GBV_ILN_4035
912			\|a GBV_ILN_4037
912			\|a GBV_ILN_4046
912			\|a GBV_ILN_4112
912			\|a GBV_ILN_4125
912			\|a GBV_ILN_4126
912			\|a GBV_ILN_4242
912			\|a GBV_ILN_4251
912			\|a GBV_ILN_4305
912			\|a GBV_ILN_4307
912			\|a GBV_ILN_4313
912			\|a GBV_ILN_4322
912			\|a GBV_ILN_4323
912			\|a GBV_ILN_4324
912			\|a GBV_ILN_4325
912			\|a GBV_ILN_4326
912			\|a GBV_ILN_4333
912			\|a GBV_ILN_4334
912			\|a GBV_ILN_4335
912			\|a GBV_ILN_4338
912			\|a GBV_ILN_4393
951			\|a AR
952			\|d 36 \|h 3211-3218

Indexfelder

author_variant	j l u jl jlu c d z cd cdz j s js c f p cfp
matchkey_str	article:18732704:2016----::mleigptgiinfauafesy
hierarchy_sort_str	2016
publishDate	2016
allfields	10.1016/j.proci.2016.09.014 doi (DE-627)ELV001923706 (ELSEVIER)S1540-7489(16)30492-8 DE-627 ger DE-627 rda eng 660 DE-600 Urban, James L. verfasserin aut Smoldering spot ignition of natural fuels by a hot metal particle 2016 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The spotting ignition of combustible material by hot metal particles is an important pathway by which wildland and urban spot fires are started. Upon impact with a fuel, such as dry grass, duff, or saw dust, these particles can initiate spot fires by direct flaming or smoldering can transition to flaming. In spite of the relative frequency that fires are initiated by hot metal particles, there is little work published that addresses the ignition capabilities of hot metal particles landing on natural fuels, especially regarding smoldering ignition. This work is an experimental and analytical study of how the flaming and smoldering propensities of powdered natural fuel beds in contact with hot metal particles are affected by differences in the particle characteristics, particularly the effect of particle melting, which adds energy to the particle. In the experiments, stainless steel and aluminum particles ranging in size from 1.6 to 8 mm in diameter are heated to various temperatures between 500 and 1100°C and dropped onto a fuel bed composed of a powder grass blend. It is observed that the ignition boundary both for flaming and smoldering follows a hyperbolic relationship between particle size and temperature, with smaller particles requiring higher temperatures to ignite the fuel. For both metal particles smoldering ignition occurs at significantly lower temperatures than flaming ignition. A simplified numerical model is developed to help understand smoldering ignition by a metal particle and to examine how the melting influences the ignition process. Good qualitative agreement is obtained between the model predictions and the experiments suggesting that the model provides a first step toward the theoretical modeling of this complex problem. Spot fire ignition Wildland fires Biomass combustion Smoldering ignition Wildland urban interface fires Zak, Casey D. verfasserin aut Song, Jiayun verfasserin aut Fernandez-Pello, Carlos verfasserin aut Enthalten in Combustion Institute ; ID: gnd/1004025-0 Proceedings of the Combustion Institute Amsterdam [u.a.] : Elsevier, 2000 36, Seite 3211-3218 Online-Ressource (DE-627)495741140 (DE-600)2197968-6 (DE-576)259486582 1873-2704 nnns volume:36 pages:3211-3218 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_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2098 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 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_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 AR 36 3211-3218
spelling	10.1016/j.proci.2016.09.014 doi (DE-627)ELV001923706 (ELSEVIER)S1540-7489(16)30492-8 DE-627 ger DE-627 rda eng 660 DE-600 Urban, James L. verfasserin aut Smoldering spot ignition of natural fuels by a hot metal particle 2016 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The spotting ignition of combustible material by hot metal particles is an important pathway by which wildland and urban spot fires are started. Upon impact with a fuel, such as dry grass, duff, or saw dust, these particles can initiate spot fires by direct flaming or smoldering can transition to flaming. In spite of the relative frequency that fires are initiated by hot metal particles, there is little work published that addresses the ignition capabilities of hot metal particles landing on natural fuels, especially regarding smoldering ignition. This work is an experimental and analytical study of how the flaming and smoldering propensities of powdered natural fuel beds in contact with hot metal particles are affected by differences in the particle characteristics, particularly the effect of particle melting, which adds energy to the particle. In the experiments, stainless steel and aluminum particles ranging in size from 1.6 to 8 mm in diameter are heated to various temperatures between 500 and 1100°C and dropped onto a fuel bed composed of a powder grass blend. It is observed that the ignition boundary both for flaming and smoldering follows a hyperbolic relationship between particle size and temperature, with smaller particles requiring higher temperatures to ignite the fuel. For both metal particles smoldering ignition occurs at significantly lower temperatures than flaming ignition. A simplified numerical model is developed to help understand smoldering ignition by a metal particle and to examine how the melting influences the ignition process. Good qualitative agreement is obtained between the model predictions and the experiments suggesting that the model provides a first step toward the theoretical modeling of this complex problem. Spot fire ignition Wildland fires Biomass combustion Smoldering ignition Wildland urban interface fires Zak, Casey D. verfasserin aut Song, Jiayun verfasserin aut Fernandez-Pello, Carlos verfasserin aut Enthalten in Combustion Institute ; ID: gnd/1004025-0 Proceedings of the Combustion Institute Amsterdam [u.a.] : Elsevier, 2000 36, Seite 3211-3218 Online-Ressource (DE-627)495741140 (DE-600)2197968-6 (DE-576)259486582 1873-2704 nnns volume:36 pages:3211-3218 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_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2098 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 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_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 AR 36 3211-3218
allfields_unstemmed	10.1016/j.proci.2016.09.014 doi (DE-627)ELV001923706 (ELSEVIER)S1540-7489(16)30492-8 DE-627 ger DE-627 rda eng 660 DE-600 Urban, James L. verfasserin aut Smoldering spot ignition of natural fuels by a hot metal particle 2016 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The spotting ignition of combustible material by hot metal particles is an important pathway by which wildland and urban spot fires are started. Upon impact with a fuel, such as dry grass, duff, or saw dust, these particles can initiate spot fires by direct flaming or smoldering can transition to flaming. In spite of the relative frequency that fires are initiated by hot metal particles, there is little work published that addresses the ignition capabilities of hot metal particles landing on natural fuels, especially regarding smoldering ignition. This work is an experimental and analytical study of how the flaming and smoldering propensities of powdered natural fuel beds in contact with hot metal particles are affected by differences in the particle characteristics, particularly the effect of particle melting, which adds energy to the particle. In the experiments, stainless steel and aluminum particles ranging in size from 1.6 to 8 mm in diameter are heated to various temperatures between 500 and 1100°C and dropped onto a fuel bed composed of a powder grass blend. It is observed that the ignition boundary both for flaming and smoldering follows a hyperbolic relationship between particle size and temperature, with smaller particles requiring higher temperatures to ignite the fuel. For both metal particles smoldering ignition occurs at significantly lower temperatures than flaming ignition. A simplified numerical model is developed to help understand smoldering ignition by a metal particle and to examine how the melting influences the ignition process. Good qualitative agreement is obtained between the model predictions and the experiments suggesting that the model provides a first step toward the theoretical modeling of this complex problem. Spot fire ignition Wildland fires Biomass combustion Smoldering ignition Wildland urban interface fires Zak, Casey D. verfasserin aut Song, Jiayun verfasserin aut Fernandez-Pello, Carlos verfasserin aut Enthalten in Combustion Institute ; ID: gnd/1004025-0 Proceedings of the Combustion Institute Amsterdam [u.a.] : Elsevier, 2000 36, Seite 3211-3218 Online-Ressource (DE-627)495741140 (DE-600)2197968-6 (DE-576)259486582 1873-2704 nnns volume:36 pages:3211-3218 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_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2098 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 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_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 AR 36 3211-3218
allfieldsGer	10.1016/j.proci.2016.09.014 doi (DE-627)ELV001923706 (ELSEVIER)S1540-7489(16)30492-8 DE-627 ger DE-627 rda eng 660 DE-600 Urban, James L. verfasserin aut Smoldering spot ignition of natural fuels by a hot metal particle 2016 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The spotting ignition of combustible material by hot metal particles is an important pathway by which wildland and urban spot fires are started. Upon impact with a fuel, such as dry grass, duff, or saw dust, these particles can initiate spot fires by direct flaming or smoldering can transition to flaming. In spite of the relative frequency that fires are initiated by hot metal particles, there is little work published that addresses the ignition capabilities of hot metal particles landing on natural fuels, especially regarding smoldering ignition. This work is an experimental and analytical study of how the flaming and smoldering propensities of powdered natural fuel beds in contact with hot metal particles are affected by differences in the particle characteristics, particularly the effect of particle melting, which adds energy to the particle. In the experiments, stainless steel and aluminum particles ranging in size from 1.6 to 8 mm in diameter are heated to various temperatures between 500 and 1100°C and dropped onto a fuel bed composed of a powder grass blend. It is observed that the ignition boundary both for flaming and smoldering follows a hyperbolic relationship between particle size and temperature, with smaller particles requiring higher temperatures to ignite the fuel. For both metal particles smoldering ignition occurs at significantly lower temperatures than flaming ignition. A simplified numerical model is developed to help understand smoldering ignition by a metal particle and to examine how the melting influences the ignition process. Good qualitative agreement is obtained between the model predictions and the experiments suggesting that the model provides a first step toward the theoretical modeling of this complex problem. Spot fire ignition Wildland fires Biomass combustion Smoldering ignition Wildland urban interface fires Zak, Casey D. verfasserin aut Song, Jiayun verfasserin aut Fernandez-Pello, Carlos verfasserin aut Enthalten in Combustion Institute ; ID: gnd/1004025-0 Proceedings of the Combustion Institute Amsterdam [u.a.] : Elsevier, 2000 36, Seite 3211-3218 Online-Ressource (DE-627)495741140 (DE-600)2197968-6 (DE-576)259486582 1873-2704 nnns volume:36 pages:3211-3218 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_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2098 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 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_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 AR 36 3211-3218
allfieldsSound	10.1016/j.proci.2016.09.014 doi (DE-627)ELV001923706 (ELSEVIER)S1540-7489(16)30492-8 DE-627 ger DE-627 rda eng 660 DE-600 Urban, James L. verfasserin aut Smoldering spot ignition of natural fuels by a hot metal particle 2016 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The spotting ignition of combustible material by hot metal particles is an important pathway by which wildland and urban spot fires are started. Upon impact with a fuel, such as dry grass, duff, or saw dust, these particles can initiate spot fires by direct flaming or smoldering can transition to flaming. In spite of the relative frequency that fires are initiated by hot metal particles, there is little work published that addresses the ignition capabilities of hot metal particles landing on natural fuels, especially regarding smoldering ignition. This work is an experimental and analytical study of how the flaming and smoldering propensities of powdered natural fuel beds in contact with hot metal particles are affected by differences in the particle characteristics, particularly the effect of particle melting, which adds energy to the particle. In the experiments, stainless steel and aluminum particles ranging in size from 1.6 to 8 mm in diameter are heated to various temperatures between 500 and 1100°C and dropped onto a fuel bed composed of a powder grass blend. It is observed that the ignition boundary both for flaming and smoldering follows a hyperbolic relationship between particle size and temperature, with smaller particles requiring higher temperatures to ignite the fuel. For both metal particles smoldering ignition occurs at significantly lower temperatures than flaming ignition. A simplified numerical model is developed to help understand smoldering ignition by a metal particle and to examine how the melting influences the ignition process. Good qualitative agreement is obtained between the model predictions and the experiments suggesting that the model provides a first step toward the theoretical modeling of this complex problem. Spot fire ignition Wildland fires Biomass combustion Smoldering ignition Wildland urban interface fires Zak, Casey D. verfasserin aut Song, Jiayun verfasserin aut Fernandez-Pello, Carlos verfasserin aut Enthalten in Combustion Institute ; ID: gnd/1004025-0 Proceedings of the Combustion Institute Amsterdam [u.a.] : Elsevier, 2000 36, Seite 3211-3218 Online-Ressource (DE-627)495741140 (DE-600)2197968-6 (DE-576)259486582 1873-2704 nnns volume:36 pages:3211-3218 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_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2098 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 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_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 AR 36 3211-3218
language	English
source	Enthalten in Proceedings of the Combustion Institute 36, Seite 3211-3218 volume:36 pages:3211-3218
sourceStr	Enthalten in Proceedings of the Combustion Institute 36, Seite 3211-3218 volume:36 pages:3211-3218
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Spot fire ignition Wildland fires Biomass combustion Smoldering ignition Wildland urban interface fires
dewey-raw	660
isfreeaccess_bool	false
container_title	Proceedings of the Combustion Institute
authorswithroles_txt_mv	Urban, James L. @@aut@@ Zak, Casey D. @@aut@@ Song, Jiayun @@aut@@ Fernandez-Pello, Carlos @@aut@@
publishDateDaySort_date	2016-01-01T00:00:00Z
hierarchy_top_id	495741140
dewey-sort	3660
id	ELV001923706
language_de	englisch
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author	Urban, James L.
spellingShingle	Urban, James L. ddc 660 misc Spot fire ignition misc Wildland fires misc Biomass combustion misc Smoldering ignition misc Wildland urban interface fires Smoldering spot ignition of natural fuels by a hot metal particle
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topic_title	660 DE-600 Smoldering spot ignition of natural fuels by a hot metal particle Spot fire ignition Wildland fires Biomass combustion Smoldering ignition Wildland urban interface fires
topic	ddc 660 misc Spot fire ignition misc Wildland fires misc Biomass combustion misc Smoldering ignition misc Wildland urban interface fires
topic_unstemmed	ddc 660 misc Spot fire ignition misc Wildland fires misc Biomass combustion misc Smoldering ignition misc Wildland urban interface fires
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title	Smoldering spot ignition of natural fuels by a hot metal particle
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title_full	Smoldering spot ignition of natural fuels by a hot metal particle
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title_sort	smoldering spot ignition of natural fuels by a hot metal particle
title_auth	Smoldering spot ignition of natural fuels by a hot metal particle
abstract	The spotting ignition of combustible material by hot metal particles is an important pathway by which wildland and urban spot fires are started. Upon impact with a fuel, such as dry grass, duff, or saw dust, these particles can initiate spot fires by direct flaming or smoldering can transition to flaming. In spite of the relative frequency that fires are initiated by hot metal particles, there is little work published that addresses the ignition capabilities of hot metal particles landing on natural fuels, especially regarding smoldering ignition. This work is an experimental and analytical study of how the flaming and smoldering propensities of powdered natural fuel beds in contact with hot metal particles are affected by differences in the particle characteristics, particularly the effect of particle melting, which adds energy to the particle. In the experiments, stainless steel and aluminum particles ranging in size from 1.6 to 8 mm in diameter are heated to various temperatures between 500 and 1100°C and dropped onto a fuel bed composed of a powder grass blend. It is observed that the ignition boundary both for flaming and smoldering follows a hyperbolic relationship between particle size and temperature, with smaller particles requiring higher temperatures to ignite the fuel. For both metal particles smoldering ignition occurs at significantly lower temperatures than flaming ignition. A simplified numerical model is developed to help understand smoldering ignition by a metal particle and to examine how the melting influences the ignition process. Good qualitative agreement is obtained between the model predictions and the experiments suggesting that the model provides a first step toward the theoretical modeling of this complex problem.
abstractGer	The spotting ignition of combustible material by hot metal particles is an important pathway by which wildland and urban spot fires are started. Upon impact with a fuel, such as dry grass, duff, or saw dust, these particles can initiate spot fires by direct flaming or smoldering can transition to flaming. In spite of the relative frequency that fires are initiated by hot metal particles, there is little work published that addresses the ignition capabilities of hot metal particles landing on natural fuels, especially regarding smoldering ignition. This work is an experimental and analytical study of how the flaming and smoldering propensities of powdered natural fuel beds in contact with hot metal particles are affected by differences in the particle characteristics, particularly the effect of particle melting, which adds energy to the particle. In the experiments, stainless steel and aluminum particles ranging in size from 1.6 to 8 mm in diameter are heated to various temperatures between 500 and 1100°C and dropped onto a fuel bed composed of a powder grass blend. It is observed that the ignition boundary both for flaming and smoldering follows a hyperbolic relationship between particle size and temperature, with smaller particles requiring higher temperatures to ignite the fuel. For both metal particles smoldering ignition occurs at significantly lower temperatures than flaming ignition. A simplified numerical model is developed to help understand smoldering ignition by a metal particle and to examine how the melting influences the ignition process. Good qualitative agreement is obtained between the model predictions and the experiments suggesting that the model provides a first step toward the theoretical modeling of this complex problem.
abstract_unstemmed	The spotting ignition of combustible material by hot metal particles is an important pathway by which wildland and urban spot fires are started. Upon impact with a fuel, such as dry grass, duff, or saw dust, these particles can initiate spot fires by direct flaming or smoldering can transition to flaming. In spite of the relative frequency that fires are initiated by hot metal particles, there is little work published that addresses the ignition capabilities of hot metal particles landing on natural fuels, especially regarding smoldering ignition. This work is an experimental and analytical study of how the flaming and smoldering propensities of powdered natural fuel beds in contact with hot metal particles are affected by differences in the particle characteristics, particularly the effect of particle melting, which adds energy to the particle. In the experiments, stainless steel and aluminum particles ranging in size from 1.6 to 8 mm in diameter are heated to various temperatures between 500 and 1100°C and dropped onto a fuel bed composed of a powder grass blend. It is observed that the ignition boundary both for flaming and smoldering follows a hyperbolic relationship between particle size and temperature, with smaller particles requiring higher temperatures to ignite the fuel. For both metal particles smoldering ignition occurs at significantly lower temperatures than flaming ignition. A simplified numerical model is developed to help understand smoldering ignition by a metal particle and to examine how the melting influences the ignition process. Good qualitative agreement is obtained between the model predictions and the experiments suggesting that the model provides a first step toward the theoretical modeling of this complex problem.
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title_short	Smoldering spot ignition of natural fuels by a hot metal particle
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author2	Zak, Casey D. Song, Jiayun Fernandez-Pello, Carlos
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up_date	2024-07-06T23:01:43.896Z
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Upon impact with a fuel, such as dry grass, duff, or saw dust, these particles can initiate spot fires by direct flaming or smoldering can transition to flaming. In spite of the relative frequency that fires are initiated by hot metal particles, there is little work published that addresses the ignition capabilities of hot metal particles landing on natural fuels, especially regarding smoldering ignition. This work is an experimental and analytical study of how the flaming and smoldering propensities of powdered natural fuel beds in contact with hot metal particles are affected by differences in the particle characteristics, particularly the effect of particle melting, which adds energy to the particle. In the experiments, stainless steel and aluminum particles ranging in size from 1.6 to 8 mm in diameter are heated to various temperatures between 500 and 1100°C and dropped onto a fuel bed composed of a powder grass blend. It is observed that the ignition boundary both for flaming and smoldering follows a hyperbolic relationship between particle size and temperature, with smaller particles requiring higher temperatures to ignite the fuel. For both metal particles smoldering ignition occurs at significantly lower temperatures than flaming ignition. A simplified numerical model is developed to help understand smoldering ignition by a metal particle and to examine how the melting influences the ignition process. Good qualitative agreement is obtained between the model predictions and the experiments suggesting that the model provides a first step toward the theoretical modeling of this complex problem.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Spot fire ignition</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Wildland fires</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Biomass combustion</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Smoldering ignition</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Wildland urban interface fires</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Zak, Casey D.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Song, Jiayun</subfield><subfield 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Smoldering spot ignition of natural fuels by a hot metal particle

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