The Wind Effect on the Transport and Burning of Firebrands
Abstract Firebrands, controlling spot fires, are often responsible for fast damages in wildland and urban fires. However, the behaviours of firebrands are difficult to predict. In this study, we conduct experiments in a wind tunnel to investigate the effect of wind on the smouldering burning and tra...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Song, Jiayun [verfasserIn] Huang, Xinyan [verfasserIn] Liu, Naian [verfasserIn] Li, Han [verfasserIn] Zhang, Linhe [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2017 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Fire technology - New York, NY [u.a.] : Springer Science + Business Media B.V., 1965, 53(2017), 4 vom: 04. Feb., Seite 1555-1568 |
|---|---|
| Übergeordnetes Werk: |
volume:53 ; year:2017 ; number:4 ; day:04 ; month:02 ; pages:1555-1568 |
| Links: |
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| DOI / URN: |
10.1007/s10694-017-0647-1 |
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| Katalog-ID: |
SPR012509698 |
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| 245 | 1 | 4 | |a The Wind Effect on the Transport and Burning of Firebrands |
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| 520 | |a Abstract Firebrands, controlling spot fires, are often responsible for fast damages in wildland and urban fires. However, the behaviours of firebrands are difficult to predict. In this study, we conduct experiments in a wind tunnel to investigate the effect of wind on the smouldering burning and transport of firebrands. Three different sizes of disc wood particles (weighing about 1 g) are heated to generate smouldering firebrands, and then blown out by a horizontal wind of 5 or 7 m/s. In each experiment the transport distance (in the order of 1 m) and mass loss of firebrands are measured to examine their burning behaviours. For the first time, a bimodal distribution (burning and extinction modals) is observed for small firebrands under certain wind speeds (firebrands of 12-mm diameter and 5-mm thickness under a wind speed of 7 m/s in this work). Both the firebrand transport distance and mass loss in the extinction modal are smaller than those in the burning modal. The heat transfer analysis shows that there is a critical wind speed to quench the firebrand and produce a bimodal distribution, and its value increases with both the particle size and the heating duration. The predicted critical wind speed agrees well with experimental measurements. | ||
| 650 | 4 | |a Spot fire |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Smouldering |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Extinction |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Bimodal distribution |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Critical wind speed |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Huang, Xinyan |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Naian |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Han |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Linhe |e verfasserin |4 aut | |
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10.1007/s10694-017-0647-1 doi (DE-627)SPR012509698 (SPR)s10694-017-0647-1-e DE-627 ger DE-627 rakwb eng 690 620 ASE 50.17 bkl Song, Jiayun verfasserin aut The Wind Effect on the Transport and Burning of Firebrands 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Firebrands, controlling spot fires, are often responsible for fast damages in wildland and urban fires. However, the behaviours of firebrands are difficult to predict. In this study, we conduct experiments in a wind tunnel to investigate the effect of wind on the smouldering burning and transport of firebrands. Three different sizes of disc wood particles (weighing about 1 g) are heated to generate smouldering firebrands, and then blown out by a horizontal wind of 5 or 7 m/s. In each experiment the transport distance (in the order of 1 m) and mass loss of firebrands are measured to examine their burning behaviours. For the first time, a bimodal distribution (burning and extinction modals) is observed for small firebrands under certain wind speeds (firebrands of 12-mm diameter and 5-mm thickness under a wind speed of 7 m/s in this work). Both the firebrand transport distance and mass loss in the extinction modal are smaller than those in the burning modal. The heat transfer analysis shows that there is a critical wind speed to quench the firebrand and produce a bimodal distribution, and its value increases with both the particle size and the heating duration. The predicted critical wind speed agrees well with experimental measurements. Spot fire (dpeaa)DE-He213 Smouldering (dpeaa)DE-He213 Extinction (dpeaa)DE-He213 Bimodal distribution (dpeaa)DE-He213 Critical wind speed (dpeaa)DE-He213 Huang, Xinyan verfasserin aut Liu, Naian verfasserin aut Li, Han verfasserin aut Zhang, Linhe verfasserin aut Enthalten in Fire technology New York, NY [u.a.] : Springer Science + Business Media B.V., 1965 53(2017), 4 vom: 04. Feb., Seite 1555-1568 (DE-627)325609861 (DE-600)2037915-8 1572-8099 nnns volume:53 year:2017 number:4 day:04 month:02 pages:1555-1568 https://dx.doi.org/10.1007/s10694-017-0647-1 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 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_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 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_2010 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_2057 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_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 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_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 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_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 50.17 ASE AR 53 2017 4 04 02 1555-1568 |
| spelling |
10.1007/s10694-017-0647-1 doi (DE-627)SPR012509698 (SPR)s10694-017-0647-1-e DE-627 ger DE-627 rakwb eng 690 620 ASE 50.17 bkl Song, Jiayun verfasserin aut The Wind Effect on the Transport and Burning of Firebrands 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Firebrands, controlling spot fires, are often responsible for fast damages in wildland and urban fires. However, the behaviours of firebrands are difficult to predict. In this study, we conduct experiments in a wind tunnel to investigate the effect of wind on the smouldering burning and transport of firebrands. Three different sizes of disc wood particles (weighing about 1 g) are heated to generate smouldering firebrands, and then blown out by a horizontal wind of 5 or 7 m/s. In each experiment the transport distance (in the order of 1 m) and mass loss of firebrands are measured to examine their burning behaviours. For the first time, a bimodal distribution (burning and extinction modals) is observed for small firebrands under certain wind speeds (firebrands of 12-mm diameter and 5-mm thickness under a wind speed of 7 m/s in this work). Both the firebrand transport distance and mass loss in the extinction modal are smaller than those in the burning modal. The heat transfer analysis shows that there is a critical wind speed to quench the firebrand and produce a bimodal distribution, and its value increases with both the particle size and the heating duration. The predicted critical wind speed agrees well with experimental measurements. Spot fire (dpeaa)DE-He213 Smouldering (dpeaa)DE-He213 Extinction (dpeaa)DE-He213 Bimodal distribution (dpeaa)DE-He213 Critical wind speed (dpeaa)DE-He213 Huang, Xinyan verfasserin aut Liu, Naian verfasserin aut Li, Han verfasserin aut Zhang, Linhe verfasserin aut Enthalten in Fire technology New York, NY [u.a.] : Springer Science + Business Media B.V., 1965 53(2017), 4 vom: 04. Feb., Seite 1555-1568 (DE-627)325609861 (DE-600)2037915-8 1572-8099 nnns volume:53 year:2017 number:4 day:04 month:02 pages:1555-1568 https://dx.doi.org/10.1007/s10694-017-0647-1 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 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_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 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_2010 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_2057 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_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 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_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 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_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 50.17 ASE AR 53 2017 4 04 02 1555-1568 |
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10.1007/s10694-017-0647-1 doi (DE-627)SPR012509698 (SPR)s10694-017-0647-1-e DE-627 ger DE-627 rakwb eng 690 620 ASE 50.17 bkl Song, Jiayun verfasserin aut The Wind Effect on the Transport and Burning of Firebrands 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Firebrands, controlling spot fires, are often responsible for fast damages in wildland and urban fires. However, the behaviours of firebrands are difficult to predict. In this study, we conduct experiments in a wind tunnel to investigate the effect of wind on the smouldering burning and transport of firebrands. Three different sizes of disc wood particles (weighing about 1 g) are heated to generate smouldering firebrands, and then blown out by a horizontal wind of 5 or 7 m/s. In each experiment the transport distance (in the order of 1 m) and mass loss of firebrands are measured to examine their burning behaviours. For the first time, a bimodal distribution (burning and extinction modals) is observed for small firebrands under certain wind speeds (firebrands of 12-mm diameter and 5-mm thickness under a wind speed of 7 m/s in this work). Both the firebrand transport distance and mass loss in the extinction modal are smaller than those in the burning modal. The heat transfer analysis shows that there is a critical wind speed to quench the firebrand and produce a bimodal distribution, and its value increases with both the particle size and the heating duration. The predicted critical wind speed agrees well with experimental measurements. Spot fire (dpeaa)DE-He213 Smouldering (dpeaa)DE-He213 Extinction (dpeaa)DE-He213 Bimodal distribution (dpeaa)DE-He213 Critical wind speed (dpeaa)DE-He213 Huang, Xinyan verfasserin aut Liu, Naian verfasserin aut Li, Han verfasserin aut Zhang, Linhe verfasserin aut Enthalten in Fire technology New York, NY [u.a.] : Springer Science + Business Media B.V., 1965 53(2017), 4 vom: 04. Feb., Seite 1555-1568 (DE-627)325609861 (DE-600)2037915-8 1572-8099 nnns volume:53 year:2017 number:4 day:04 month:02 pages:1555-1568 https://dx.doi.org/10.1007/s10694-017-0647-1 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 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_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 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_2010 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_2057 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_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 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_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 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_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 50.17 ASE AR 53 2017 4 04 02 1555-1568 |
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10.1007/s10694-017-0647-1 doi (DE-627)SPR012509698 (SPR)s10694-017-0647-1-e DE-627 ger DE-627 rakwb eng 690 620 ASE 50.17 bkl Song, Jiayun verfasserin aut The Wind Effect on the Transport and Burning of Firebrands 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Firebrands, controlling spot fires, are often responsible for fast damages in wildland and urban fires. However, the behaviours of firebrands are difficult to predict. In this study, we conduct experiments in a wind tunnel to investigate the effect of wind on the smouldering burning and transport of firebrands. Three different sizes of disc wood particles (weighing about 1 g) are heated to generate smouldering firebrands, and then blown out by a horizontal wind of 5 or 7 m/s. In each experiment the transport distance (in the order of 1 m) and mass loss of firebrands are measured to examine their burning behaviours. For the first time, a bimodal distribution (burning and extinction modals) is observed for small firebrands under certain wind speeds (firebrands of 12-mm diameter and 5-mm thickness under a wind speed of 7 m/s in this work). Both the firebrand transport distance and mass loss in the extinction modal are smaller than those in the burning modal. The heat transfer analysis shows that there is a critical wind speed to quench the firebrand and produce a bimodal distribution, and its value increases with both the particle size and the heating duration. The predicted critical wind speed agrees well with experimental measurements. Spot fire (dpeaa)DE-He213 Smouldering (dpeaa)DE-He213 Extinction (dpeaa)DE-He213 Bimodal distribution (dpeaa)DE-He213 Critical wind speed (dpeaa)DE-He213 Huang, Xinyan verfasserin aut Liu, Naian verfasserin aut Li, Han verfasserin aut Zhang, Linhe verfasserin aut Enthalten in Fire technology New York, NY [u.a.] : Springer Science + Business Media B.V., 1965 53(2017), 4 vom: 04. Feb., Seite 1555-1568 (DE-627)325609861 (DE-600)2037915-8 1572-8099 nnns volume:53 year:2017 number:4 day:04 month:02 pages:1555-1568 https://dx.doi.org/10.1007/s10694-017-0647-1 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 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_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 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_2010 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_2057 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_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 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_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 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_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 50.17 ASE AR 53 2017 4 04 02 1555-1568 |
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10.1007/s10694-017-0647-1 doi (DE-627)SPR012509698 (SPR)s10694-017-0647-1-e DE-627 ger DE-627 rakwb eng 690 620 ASE 50.17 bkl Song, Jiayun verfasserin aut The Wind Effect on the Transport and Burning of Firebrands 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Firebrands, controlling spot fires, are often responsible for fast damages in wildland and urban fires. However, the behaviours of firebrands are difficult to predict. In this study, we conduct experiments in a wind tunnel to investigate the effect of wind on the smouldering burning and transport of firebrands. Three different sizes of disc wood particles (weighing about 1 g) are heated to generate smouldering firebrands, and then blown out by a horizontal wind of 5 or 7 m/s. In each experiment the transport distance (in the order of 1 m) and mass loss of firebrands are measured to examine their burning behaviours. For the first time, a bimodal distribution (burning and extinction modals) is observed for small firebrands under certain wind speeds (firebrands of 12-mm diameter and 5-mm thickness under a wind speed of 7 m/s in this work). Both the firebrand transport distance and mass loss in the extinction modal are smaller than those in the burning modal. The heat transfer analysis shows that there is a critical wind speed to quench the firebrand and produce a bimodal distribution, and its value increases with both the particle size and the heating duration. The predicted critical wind speed agrees well with experimental measurements. Spot fire (dpeaa)DE-He213 Smouldering (dpeaa)DE-He213 Extinction (dpeaa)DE-He213 Bimodal distribution (dpeaa)DE-He213 Critical wind speed (dpeaa)DE-He213 Huang, Xinyan verfasserin aut Liu, Naian verfasserin aut Li, Han verfasserin aut Zhang, Linhe verfasserin aut Enthalten in Fire technology New York, NY [u.a.] : Springer Science + Business Media B.V., 1965 53(2017), 4 vom: 04. Feb., Seite 1555-1568 (DE-627)325609861 (DE-600)2037915-8 1572-8099 nnns volume:53 year:2017 number:4 day:04 month:02 pages:1555-1568 https://dx.doi.org/10.1007/s10694-017-0647-1 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 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_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 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_2010 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_2057 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_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 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_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 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_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 50.17 ASE AR 53 2017 4 04 02 1555-1568 |
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Enthalten in Fire technology 53(2017), 4 vom: 04. Feb., Seite 1555-1568 volume:53 year:2017 number:4 day:04 month:02 pages:1555-1568 |
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Song, Jiayun @@aut@@ Huang, Xinyan @@aut@@ Liu, Naian @@aut@@ Li, Han @@aut@@ Zhang, Linhe @@aut@@ |
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However, the behaviours of firebrands are difficult to predict. In this study, we conduct experiments in a wind tunnel to investigate the effect of wind on the smouldering burning and transport of firebrands. Three different sizes of disc wood particles (weighing about 1 g) are heated to generate smouldering firebrands, and then blown out by a horizontal wind of 5 or 7 m/s. In each experiment the transport distance (in the order of 1 m) and mass loss of firebrands are measured to examine their burning behaviours. For the first time, a bimodal distribution (burning and extinction modals) is observed for small firebrands under certain wind speeds (firebrands of 12-mm diameter and 5-mm thickness under a wind speed of 7 m/s in this work). Both the firebrand transport distance and mass loss in the extinction modal are smaller than those in the burning modal. The heat transfer analysis shows that there is a critical wind speed to quench the firebrand and produce a bimodal distribution, and its value increases with both the particle size and the heating duration. 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Song, Jiayun |
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Song, Jiayun ddc 690 bkl 50.17 misc Spot fire misc Smouldering misc Extinction misc Bimodal distribution misc Critical wind speed The Wind Effect on the Transport and Burning of Firebrands |
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690 620 ASE 50.17 bkl The Wind Effect on the Transport and Burning of Firebrands Spot fire (dpeaa)DE-He213 Smouldering (dpeaa)DE-He213 Extinction (dpeaa)DE-He213 Bimodal distribution (dpeaa)DE-He213 Critical wind speed (dpeaa)DE-He213 |
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ddc 690 bkl 50.17 misc Spot fire misc Smouldering misc Extinction misc Bimodal distribution misc Critical wind speed |
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The Wind Effect on the Transport and Burning of Firebrands |
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The Wind Effect on the Transport and Burning of Firebrands |
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Song, Jiayun Huang, Xinyan Liu, Naian Li, Han Zhang, Linhe |
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wind effect on the transport and burning of firebrands |
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The Wind Effect on the Transport and Burning of Firebrands |
| abstract |
Abstract Firebrands, controlling spot fires, are often responsible for fast damages in wildland and urban fires. However, the behaviours of firebrands are difficult to predict. In this study, we conduct experiments in a wind tunnel to investigate the effect of wind on the smouldering burning and transport of firebrands. Three different sizes of disc wood particles (weighing about 1 g) are heated to generate smouldering firebrands, and then blown out by a horizontal wind of 5 or 7 m/s. In each experiment the transport distance (in the order of 1 m) and mass loss of firebrands are measured to examine their burning behaviours. For the first time, a bimodal distribution (burning and extinction modals) is observed for small firebrands under certain wind speeds (firebrands of 12-mm diameter and 5-mm thickness under a wind speed of 7 m/s in this work). Both the firebrand transport distance and mass loss in the extinction modal are smaller than those in the burning modal. The heat transfer analysis shows that there is a critical wind speed to quench the firebrand and produce a bimodal distribution, and its value increases with both the particle size and the heating duration. The predicted critical wind speed agrees well with experimental measurements. |
| abstractGer |
Abstract Firebrands, controlling spot fires, are often responsible for fast damages in wildland and urban fires. However, the behaviours of firebrands are difficult to predict. In this study, we conduct experiments in a wind tunnel to investigate the effect of wind on the smouldering burning and transport of firebrands. Three different sizes of disc wood particles (weighing about 1 g) are heated to generate smouldering firebrands, and then blown out by a horizontal wind of 5 or 7 m/s. In each experiment the transport distance (in the order of 1 m) and mass loss of firebrands are measured to examine their burning behaviours. For the first time, a bimodal distribution (burning and extinction modals) is observed for small firebrands under certain wind speeds (firebrands of 12-mm diameter and 5-mm thickness under a wind speed of 7 m/s in this work). Both the firebrand transport distance and mass loss in the extinction modal are smaller than those in the burning modal. The heat transfer analysis shows that there is a critical wind speed to quench the firebrand and produce a bimodal distribution, and its value increases with both the particle size and the heating duration. The predicted critical wind speed agrees well with experimental measurements. |
| abstract_unstemmed |
Abstract Firebrands, controlling spot fires, are often responsible for fast damages in wildland and urban fires. However, the behaviours of firebrands are difficult to predict. In this study, we conduct experiments in a wind tunnel to investigate the effect of wind on the smouldering burning and transport of firebrands. Three different sizes of disc wood particles (weighing about 1 g) are heated to generate smouldering firebrands, and then blown out by a horizontal wind of 5 or 7 m/s. In each experiment the transport distance (in the order of 1 m) and mass loss of firebrands are measured to examine their burning behaviours. For the first time, a bimodal distribution (burning and extinction modals) is observed for small firebrands under certain wind speeds (firebrands of 12-mm diameter and 5-mm thickness under a wind speed of 7 m/s in this work). Both the firebrand transport distance and mass loss in the extinction modal are smaller than those in the burning modal. The heat transfer analysis shows that there is a critical wind speed to quench the firebrand and produce a bimodal distribution, and its value increases with both the particle size and the heating duration. The predicted critical wind speed agrees well with experimental measurements. |
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4 |
| title_short |
The Wind Effect on the Transport and Burning of Firebrands |
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https://dx.doi.org/10.1007/s10694-017-0647-1 |
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| author2 |
Huang, Xinyan Liu, Naian Li, Han Zhang, Linhe |
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Huang, Xinyan Liu, Naian Li, Han Zhang, Linhe |
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| doi_str |
10.1007/s10694-017-0647-1 |
| up_date |
2024-07-03T13:23:22.684Z |
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| score |
7.4025593 |