Experimental study on upward flame spread characteristics of external thermal insulation material under the influence of porosity

Upward flame spread characteristics over extruded polystyrene (XPS) foams with different porosities has been analyzed through experiments. In this paper, the average flame height and average maximum flame temperature first rise and then drop with increasing porosity, which is affected by the fuel an...
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Autor*in:	Qing xuan Meng [verfasserIn] Guo qing Zhu [verfasserIn] Miao miao Yu [verfasserIn] Zhen huan Liang [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2018

Übergeordnetes Werk:	In: Case Studies in Thermal Engineering - Elsevier, 2015, 12(2018), Seite 365-373
Übergeordnetes Werk:	volume:12 ; year:2018 ; pages:365-373

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1016/j.csite.2018.05.008

Katalog-ID:	DOAJ052399745

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520			\|a Upward flame spread characteristics over extruded polystyrene (XPS) foams with different porosities has been analyzed through experiments. In this paper, the average flame height and average maximum flame temperature first rise and then drop with increasing porosity, which is affected by the fuel and oxygen competition mechanisms. For P (the porosity of XPS samples) ≤ 35%, the positive effect of pores plays a dominant role; the average flame height and average maximum flame temperature increase with the increasing porosity. While the negative effect of pores plays a dominant role when P < 35%, causing the average flame height and average maximum flame temperature decrease with the increasing porosity. Modeling and experiments were conducted to study the heat flux from flame. The value of radiation is obviously higher than convection through formula derivation and the experimental results have high similarity with the theoretical results. Keywords: XPS, Porosity, Upward flame spread characteristics, Heat transfer
653		0	\|a Engineering (General). Civil engineering (General)
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700	0		\|a Miao miao Yu \|e verfasserin \|4 aut
700	0		\|a Zhen huan Liang \|e verfasserin \|4 aut
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allfields	10.1016/j.csite.2018.05.008 doi (DE-627)DOAJ052399745 (DE-599)DOAJ21cd0d12257943678d15d58e76cc5ffb DE-627 ger DE-627 rakwb eng TA1-2040 Qing xuan Meng verfasserin aut Experimental study on upward flame spread characteristics of external thermal insulation material under the influence of porosity 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Upward flame spread characteristics over extruded polystyrene (XPS) foams with different porosities has been analyzed through experiments. In this paper, the average flame height and average maximum flame temperature first rise and then drop with increasing porosity, which is affected by the fuel and oxygen competition mechanisms. For P (the porosity of XPS samples) ≤ 35%, the positive effect of pores plays a dominant role; the average flame height and average maximum flame temperature increase with the increasing porosity. While the negative effect of pores plays a dominant role when P < 35%, causing the average flame height and average maximum flame temperature decrease with the increasing porosity. Modeling and experiments were conducted to study the heat flux from flame. The value of radiation is obviously higher than convection through formula derivation and the experimental results have high similarity with the theoretical results. Keywords: XPS, Porosity, Upward flame spread characteristics, Heat transfer Engineering (General). Civil engineering (General) Guo qing Zhu verfasserin aut Miao miao Yu verfasserin aut Zhen huan Liang verfasserin aut In Case Studies in Thermal Engineering Elsevier, 2015 12(2018), Seite 365-373 (DE-627)76809299X (DE-600)2732684-6 2214157X nnns volume:12 year:2018 pages:365-373 https://doi.org/10.1016/j.csite.2018.05.008 kostenfrei https://doaj.org/article/21cd0d12257943678d15d58e76cc5ffb kostenfrei http://www.sciencedirect.com/science/article/pii/S2214157X18300285 kostenfrei https://doaj.org/toc/2214-157X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 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_2034 GBV_ILN_2038 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_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 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_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 12 2018 365-373
spelling	10.1016/j.csite.2018.05.008 doi (DE-627)DOAJ052399745 (DE-599)DOAJ21cd0d12257943678d15d58e76cc5ffb DE-627 ger DE-627 rakwb eng TA1-2040 Qing xuan Meng verfasserin aut Experimental study on upward flame spread characteristics of external thermal insulation material under the influence of porosity 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Upward flame spread characteristics over extruded polystyrene (XPS) foams with different porosities has been analyzed through experiments. In this paper, the average flame height and average maximum flame temperature first rise and then drop with increasing porosity, which is affected by the fuel and oxygen competition mechanisms. For P (the porosity of XPS samples) ≤ 35%, the positive effect of pores plays a dominant role; the average flame height and average maximum flame temperature increase with the increasing porosity. While the negative effect of pores plays a dominant role when P < 35%, causing the average flame height and average maximum flame temperature decrease with the increasing porosity. Modeling and experiments were conducted to study the heat flux from flame. The value of radiation is obviously higher than convection through formula derivation and the experimental results have high similarity with the theoretical results. Keywords: XPS, Porosity, Upward flame spread characteristics, Heat transfer Engineering (General). Civil engineering (General) Guo qing Zhu verfasserin aut Miao miao Yu verfasserin aut Zhen huan Liang verfasserin aut In Case Studies in Thermal Engineering Elsevier, 2015 12(2018), Seite 365-373 (DE-627)76809299X (DE-600)2732684-6 2214157X nnns volume:12 year:2018 pages:365-373 https://doi.org/10.1016/j.csite.2018.05.008 kostenfrei https://doaj.org/article/21cd0d12257943678d15d58e76cc5ffb kostenfrei http://www.sciencedirect.com/science/article/pii/S2214157X18300285 kostenfrei https://doaj.org/toc/2214-157X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 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_2034 GBV_ILN_2038 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_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 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_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 12 2018 365-373
allfields_unstemmed	10.1016/j.csite.2018.05.008 doi (DE-627)DOAJ052399745 (DE-599)DOAJ21cd0d12257943678d15d58e76cc5ffb DE-627 ger DE-627 rakwb eng TA1-2040 Qing xuan Meng verfasserin aut Experimental study on upward flame spread characteristics of external thermal insulation material under the influence of porosity 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Upward flame spread characteristics over extruded polystyrene (XPS) foams with different porosities has been analyzed through experiments. In this paper, the average flame height and average maximum flame temperature first rise and then drop with increasing porosity, which is affected by the fuel and oxygen competition mechanisms. For P (the porosity of XPS samples) ≤ 35%, the positive effect of pores plays a dominant role; the average flame height and average maximum flame temperature increase with the increasing porosity. While the negative effect of pores plays a dominant role when P < 35%, causing the average flame height and average maximum flame temperature decrease with the increasing porosity. Modeling and experiments were conducted to study the heat flux from flame. The value of radiation is obviously higher than convection through formula derivation and the experimental results have high similarity with the theoretical results. Keywords: XPS, Porosity, Upward flame spread characteristics, Heat transfer Engineering (General). Civil engineering (General) Guo qing Zhu verfasserin aut Miao miao Yu verfasserin aut Zhen huan Liang verfasserin aut In Case Studies in Thermal Engineering Elsevier, 2015 12(2018), Seite 365-373 (DE-627)76809299X (DE-600)2732684-6 2214157X nnns volume:12 year:2018 pages:365-373 https://doi.org/10.1016/j.csite.2018.05.008 kostenfrei https://doaj.org/article/21cd0d12257943678d15d58e76cc5ffb kostenfrei http://www.sciencedirect.com/science/article/pii/S2214157X18300285 kostenfrei https://doaj.org/toc/2214-157X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 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_2034 GBV_ILN_2038 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_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 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_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 12 2018 365-373
allfieldsGer	10.1016/j.csite.2018.05.008 doi (DE-627)DOAJ052399745 (DE-599)DOAJ21cd0d12257943678d15d58e76cc5ffb DE-627 ger DE-627 rakwb eng TA1-2040 Qing xuan Meng verfasserin aut Experimental study on upward flame spread characteristics of external thermal insulation material under the influence of porosity 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Upward flame spread characteristics over extruded polystyrene (XPS) foams with different porosities has been analyzed through experiments. In this paper, the average flame height and average maximum flame temperature first rise and then drop with increasing porosity, which is affected by the fuel and oxygen competition mechanisms. For P (the porosity of XPS samples) ≤ 35%, the positive effect of pores plays a dominant role; the average flame height and average maximum flame temperature increase with the increasing porosity. While the negative effect of pores plays a dominant role when P < 35%, causing the average flame height and average maximum flame temperature decrease with the increasing porosity. Modeling and experiments were conducted to study the heat flux from flame. The value of radiation is obviously higher than convection through formula derivation and the experimental results have high similarity with the theoretical results. Keywords: XPS, Porosity, Upward flame spread characteristics, Heat transfer Engineering (General). Civil engineering (General) Guo qing Zhu verfasserin aut Miao miao Yu verfasserin aut Zhen huan Liang verfasserin aut In Case Studies in Thermal Engineering Elsevier, 2015 12(2018), Seite 365-373 (DE-627)76809299X (DE-600)2732684-6 2214157X nnns volume:12 year:2018 pages:365-373 https://doi.org/10.1016/j.csite.2018.05.008 kostenfrei https://doaj.org/article/21cd0d12257943678d15d58e76cc5ffb kostenfrei http://www.sciencedirect.com/science/article/pii/S2214157X18300285 kostenfrei https://doaj.org/toc/2214-157X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 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_2034 GBV_ILN_2038 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_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 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_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 12 2018 365-373
allfieldsSound	10.1016/j.csite.2018.05.008 doi (DE-627)DOAJ052399745 (DE-599)DOAJ21cd0d12257943678d15d58e76cc5ffb DE-627 ger DE-627 rakwb eng TA1-2040 Qing xuan Meng verfasserin aut Experimental study on upward flame spread characteristics of external thermal insulation material under the influence of porosity 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Upward flame spread characteristics over extruded polystyrene (XPS) foams with different porosities has been analyzed through experiments. In this paper, the average flame height and average maximum flame temperature first rise and then drop with increasing porosity, which is affected by the fuel and oxygen competition mechanisms. For P (the porosity of XPS samples) ≤ 35%, the positive effect of pores plays a dominant role; the average flame height and average maximum flame temperature increase with the increasing porosity. While the negative effect of pores plays a dominant role when P < 35%, causing the average flame height and average maximum flame temperature decrease with the increasing porosity. Modeling and experiments were conducted to study the heat flux from flame. The value of radiation is obviously higher than convection through formula derivation and the experimental results have high similarity with the theoretical results. Keywords: XPS, Porosity, Upward flame spread characteristics, Heat transfer Engineering (General). Civil engineering (General) Guo qing Zhu verfasserin aut Miao miao Yu verfasserin aut Zhen huan Liang verfasserin aut In Case Studies in Thermal Engineering Elsevier, 2015 12(2018), Seite 365-373 (DE-627)76809299X (DE-600)2732684-6 2214157X nnns volume:12 year:2018 pages:365-373 https://doi.org/10.1016/j.csite.2018.05.008 kostenfrei https://doaj.org/article/21cd0d12257943678d15d58e76cc5ffb kostenfrei http://www.sciencedirect.com/science/article/pii/S2214157X18300285 kostenfrei https://doaj.org/toc/2214-157X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 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_2034 GBV_ILN_2038 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_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 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_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 12 2018 365-373
language	English
source	In Case Studies in Thermal Engineering 12(2018), Seite 365-373 volume:12 year:2018 pages:365-373
sourceStr	In Case Studies in Thermal Engineering 12(2018), Seite 365-373 volume:12 year:2018 pages:365-373
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Engineering (General). Civil engineering (General)
isfreeaccess_bool	true
container_title	Case Studies in Thermal Engineering
authorswithroles_txt_mv	Qing xuan Meng @@aut@@ Guo qing Zhu @@aut@@ Miao miao Yu @@aut@@ Zhen huan Liang @@aut@@
publishDateDaySort_date	2018-01-01T00:00:00Z
hierarchy_top_id	76809299X
id	DOAJ052399745
language_de	englisch
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callnumber-first	T - Technology
author	Qing xuan Meng
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topic_title	TA1-2040 Experimental study on upward flame spread characteristics of external thermal insulation material under the influence of porosity
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title	Experimental study on upward flame spread characteristics of external thermal insulation material under the influence of porosity
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title_full	Experimental study on upward flame spread characteristics of external thermal insulation material under the influence of porosity
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title_sort	experimental study on upward flame spread characteristics of external thermal insulation material under the influence of porosity
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title_auth	Experimental study on upward flame spread characteristics of external thermal insulation material under the influence of porosity
abstract	Upward flame spread characteristics over extruded polystyrene (XPS) foams with different porosities has been analyzed through experiments. In this paper, the average flame height and average maximum flame temperature first rise and then drop with increasing porosity, which is affected by the fuel and oxygen competition mechanisms. For P (the porosity of XPS samples) ≤ 35%, the positive effect of pores plays a dominant role; the average flame height and average maximum flame temperature increase with the increasing porosity. While the negative effect of pores plays a dominant role when P < 35%, causing the average flame height and average maximum flame temperature decrease with the increasing porosity. Modeling and experiments were conducted to study the heat flux from flame. The value of radiation is obviously higher than convection through formula derivation and the experimental results have high similarity with the theoretical results. Keywords: XPS, Porosity, Upward flame spread characteristics, Heat transfer
abstractGer	Upward flame spread characteristics over extruded polystyrene (XPS) foams with different porosities has been analyzed through experiments. In this paper, the average flame height and average maximum flame temperature first rise and then drop with increasing porosity, which is affected by the fuel and oxygen competition mechanisms. For P (the porosity of XPS samples) ≤ 35%, the positive effect of pores plays a dominant role; the average flame height and average maximum flame temperature increase with the increasing porosity. While the negative effect of pores plays a dominant role when P < 35%, causing the average flame height and average maximum flame temperature decrease with the increasing porosity. Modeling and experiments were conducted to study the heat flux from flame. The value of radiation is obviously higher than convection through formula derivation and the experimental results have high similarity with the theoretical results. Keywords: XPS, Porosity, Upward flame spread characteristics, Heat transfer
abstract_unstemmed	Upward flame spread characteristics over extruded polystyrene (XPS) foams with different porosities has been analyzed through experiments. In this paper, the average flame height and average maximum flame temperature first rise and then drop with increasing porosity, which is affected by the fuel and oxygen competition mechanisms. For P (the porosity of XPS samples) ≤ 35%, the positive effect of pores plays a dominant role; the average flame height and average maximum flame temperature increase with the increasing porosity. While the negative effect of pores plays a dominant role when P < 35%, causing the average flame height and average maximum flame temperature decrease with the increasing porosity. Modeling and experiments were conducted to study the heat flux from flame. The value of radiation is obviously higher than convection through formula derivation and the experimental results have high similarity with the theoretical results. Keywords: XPS, Porosity, Upward flame spread characteristics, Heat transfer
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title_short	Experimental study on upward flame spread characteristics of external thermal insulation material under the influence of porosity
url	https://doi.org/10.1016/j.csite.2018.05.008 https://doaj.org/article/21cd0d12257943678d15d58e76cc5ffb http://www.sciencedirect.com/science/article/pii/S2214157X18300285 https://doaj.org/toc/2214-157X
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Experimental study on upward flame spread characteristics of external thermal insulation material under the influence of porosity

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