Experimental and numerical investigation on premixed H
Micro combustion is challenged by small size, high area-volume ratio and heat loss ratio, affecting the flame stability and energy efficiency. Premixed H2/air combustion with C3H8 blending and porous media (PM) setting are experimentally and numerically investigated in two size burners. Results indi...
Ausführliche Beschreibung
Autor*in: |
Peng, Qingguo [verfasserIn] Ye, Jiahao [verfasserIn] Tu, Yaojie [verfasserIn] Yang, Wenming [verfasserIn] E., Jiaqiang [verfasserIn] Kang, Zhuang [verfasserIn] Fu, Guang [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2022 |
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Schlagwörter: |
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Übergeordnetes Werk: |
Enthalten in: Fuel - New York, NY [u.a.] : Elsevier, 1970, 328 |
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Übergeordnetes Werk: |
volume:328 |
DOI / URN: |
10.1016/j.fuel.2022.125227 |
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Katalog-ID: |
ELV008383936 |
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245 | 1 | 0 | |a Experimental and numerical investigation on premixed H |
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520 | |a Micro combustion is challenged by small size, high area-volume ratio and heat loss ratio, affecting the flame stability and energy efficiency. Premixed H2/air combustion with C3H8 blending and porous media (PM) setting are experimentally and numerically investigated in two size burners. Results indicate that partially inserted PM and enlarged combustor size both promote the combustion stability and broaden the burning limits, while C3H8 blending inhibit it. These factors significantly affect the combustion characteristics and heat transmission, such as flame location and temperature distribution. The addition of small amount of C3H8 is conducive to promote H2/air burning heat release and heat transfer in combustion chamber, while effects of C3H8 blending on flame anchoring and burner wall temperature modification are weakened with increase of fuel input energy Q in and burner size. Furthermore, PM strongly improves the burner mean radiation temperature of 50 K for H2 fueled combustion with Q in = 120.0 W in the burner with Od = 5 mm, while effects of PM is decreased with C3H8 blended and burner size increased. The exhaust gas temperature of PM combustion is 274 K and 459 K lower than that of free flame in the burners with Od = 4 mm and Od = 5 mm, respectively. It also notes that the burner with Od = 5 mm and PM achieves the highest radiation efficiency 41.84% at Q in = 90.0 W, while the C3H8 addition contributes to improve the efficiency of free flame in a small burner. | ||
650 | 4 | |a H | |
650 | 4 | |a Combustion stability | |
650 | 4 | |a Porous media combustion | |
650 | 4 | |a Thermal performance | |
700 | 1 | |a Ye, Jiahao |e verfasserin |4 aut | |
700 | 1 | |a Tu, Yaojie |e verfasserin |4 aut | |
700 | 1 | |a Yang, Wenming |e verfasserin |4 aut | |
700 | 1 | |a E., Jiaqiang |e verfasserin |4 aut | |
700 | 1 | |a Kang, Zhuang |e verfasserin |4 aut | |
700 | 1 | |a Fu, Guang |e verfasserin |4 aut | |
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allfields |
10.1016/j.fuel.2022.125227 doi (DE-627)ELV008383936 (ELSEVIER)S0016-2361(22)02065-8 DE-627 ger DE-627 rda eng 660 DE-600 58.21 bkl Peng, Qingguo verfasserin aut Experimental and numerical investigation on premixed H 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Micro combustion is challenged by small size, high area-volume ratio and heat loss ratio, affecting the flame stability and energy efficiency. Premixed H2/air combustion with C3H8 blending and porous media (PM) setting are experimentally and numerically investigated in two size burners. Results indicate that partially inserted PM and enlarged combustor size both promote the combustion stability and broaden the burning limits, while C3H8 blending inhibit it. These factors significantly affect the combustion characteristics and heat transmission, such as flame location and temperature distribution. The addition of small amount of C3H8 is conducive to promote H2/air burning heat release and heat transfer in combustion chamber, while effects of C3H8 blending on flame anchoring and burner wall temperature modification are weakened with increase of fuel input energy Q in and burner size. Furthermore, PM strongly improves the burner mean radiation temperature of 50 K for H2 fueled combustion with Q in = 120.0 W in the burner with Od = 5 mm, while effects of PM is decreased with C3H8 blended and burner size increased. The exhaust gas temperature of PM combustion is 274 K and 459 K lower than that of free flame in the burners with Od = 4 mm and Od = 5 mm, respectively. It also notes that the burner with Od = 5 mm and PM achieves the highest radiation efficiency 41.84% at Q in = 90.0 W, while the C3H8 addition contributes to improve the efficiency of free flame in a small burner. H Combustion stability Porous media combustion Thermal performance Ye, Jiahao verfasserin aut Tu, Yaojie verfasserin aut Yang, Wenming verfasserin aut E., Jiaqiang verfasserin aut Kang, Zhuang verfasserin aut Fu, Guang verfasserin aut Enthalten in Fuel New York, NY [u.a.] : Elsevier, 1970 328 Online-Ressource (DE-627)300898584 (DE-600)1483656-7 (DE-576)09555176X 0016-2361 nnns volume:328 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 58.21 Brennstoffe Kraftstoffe Explosivstoffe AR 328 |
spelling |
10.1016/j.fuel.2022.125227 doi (DE-627)ELV008383936 (ELSEVIER)S0016-2361(22)02065-8 DE-627 ger DE-627 rda eng 660 DE-600 58.21 bkl Peng, Qingguo verfasserin aut Experimental and numerical investigation on premixed H 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Micro combustion is challenged by small size, high area-volume ratio and heat loss ratio, affecting the flame stability and energy efficiency. Premixed H2/air combustion with C3H8 blending and porous media (PM) setting are experimentally and numerically investigated in two size burners. Results indicate that partially inserted PM and enlarged combustor size both promote the combustion stability and broaden the burning limits, while C3H8 blending inhibit it. These factors significantly affect the combustion characteristics and heat transmission, such as flame location and temperature distribution. The addition of small amount of C3H8 is conducive to promote H2/air burning heat release and heat transfer in combustion chamber, while effects of C3H8 blending on flame anchoring and burner wall temperature modification are weakened with increase of fuel input energy Q in and burner size. Furthermore, PM strongly improves the burner mean radiation temperature of 50 K for H2 fueled combustion with Q in = 120.0 W in the burner with Od = 5 mm, while effects of PM is decreased with C3H8 blended and burner size increased. The exhaust gas temperature of PM combustion is 274 K and 459 K lower than that of free flame in the burners with Od = 4 mm and Od = 5 mm, respectively. It also notes that the burner with Od = 5 mm and PM achieves the highest radiation efficiency 41.84% at Q in = 90.0 W, while the C3H8 addition contributes to improve the efficiency of free flame in a small burner. H Combustion stability Porous media combustion Thermal performance Ye, Jiahao verfasserin aut Tu, Yaojie verfasserin aut Yang, Wenming verfasserin aut E., Jiaqiang verfasserin aut Kang, Zhuang verfasserin aut Fu, Guang verfasserin aut Enthalten in Fuel New York, NY [u.a.] : Elsevier, 1970 328 Online-Ressource (DE-627)300898584 (DE-600)1483656-7 (DE-576)09555176X 0016-2361 nnns volume:328 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 58.21 Brennstoffe Kraftstoffe Explosivstoffe AR 328 |
allfields_unstemmed |
10.1016/j.fuel.2022.125227 doi (DE-627)ELV008383936 (ELSEVIER)S0016-2361(22)02065-8 DE-627 ger DE-627 rda eng 660 DE-600 58.21 bkl Peng, Qingguo verfasserin aut Experimental and numerical investigation on premixed H 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Micro combustion is challenged by small size, high area-volume ratio and heat loss ratio, affecting the flame stability and energy efficiency. Premixed H2/air combustion with C3H8 blending and porous media (PM) setting are experimentally and numerically investigated in two size burners. Results indicate that partially inserted PM and enlarged combustor size both promote the combustion stability and broaden the burning limits, while C3H8 blending inhibit it. These factors significantly affect the combustion characteristics and heat transmission, such as flame location and temperature distribution. The addition of small amount of C3H8 is conducive to promote H2/air burning heat release and heat transfer in combustion chamber, while effects of C3H8 blending on flame anchoring and burner wall temperature modification are weakened with increase of fuel input energy Q in and burner size. Furthermore, PM strongly improves the burner mean radiation temperature of 50 K for H2 fueled combustion with Q in = 120.0 W in the burner with Od = 5 mm, while effects of PM is decreased with C3H8 blended and burner size increased. The exhaust gas temperature of PM combustion is 274 K and 459 K lower than that of free flame in the burners with Od = 4 mm and Od = 5 mm, respectively. It also notes that the burner with Od = 5 mm and PM achieves the highest radiation efficiency 41.84% at Q in = 90.0 W, while the C3H8 addition contributes to improve the efficiency of free flame in a small burner. H Combustion stability Porous media combustion Thermal performance Ye, Jiahao verfasserin aut Tu, Yaojie verfasserin aut Yang, Wenming verfasserin aut E., Jiaqiang verfasserin aut Kang, Zhuang verfasserin aut Fu, Guang verfasserin aut Enthalten in Fuel New York, NY [u.a.] : Elsevier, 1970 328 Online-Ressource (DE-627)300898584 (DE-600)1483656-7 (DE-576)09555176X 0016-2361 nnns volume:328 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 58.21 Brennstoffe Kraftstoffe Explosivstoffe AR 328 |
allfieldsGer |
10.1016/j.fuel.2022.125227 doi (DE-627)ELV008383936 (ELSEVIER)S0016-2361(22)02065-8 DE-627 ger DE-627 rda eng 660 DE-600 58.21 bkl Peng, Qingguo verfasserin aut Experimental and numerical investigation on premixed H 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Micro combustion is challenged by small size, high area-volume ratio and heat loss ratio, affecting the flame stability and energy efficiency. Premixed H2/air combustion with C3H8 blending and porous media (PM) setting are experimentally and numerically investigated in two size burners. Results indicate that partially inserted PM and enlarged combustor size both promote the combustion stability and broaden the burning limits, while C3H8 blending inhibit it. These factors significantly affect the combustion characteristics and heat transmission, such as flame location and temperature distribution. The addition of small amount of C3H8 is conducive to promote H2/air burning heat release and heat transfer in combustion chamber, while effects of C3H8 blending on flame anchoring and burner wall temperature modification are weakened with increase of fuel input energy Q in and burner size. Furthermore, PM strongly improves the burner mean radiation temperature of 50 K for H2 fueled combustion with Q in = 120.0 W in the burner with Od = 5 mm, while effects of PM is decreased with C3H8 blended and burner size increased. The exhaust gas temperature of PM combustion is 274 K and 459 K lower than that of free flame in the burners with Od = 4 mm and Od = 5 mm, respectively. It also notes that the burner with Od = 5 mm and PM achieves the highest radiation efficiency 41.84% at Q in = 90.0 W, while the C3H8 addition contributes to improve the efficiency of free flame in a small burner. H Combustion stability Porous media combustion Thermal performance Ye, Jiahao verfasserin aut Tu, Yaojie verfasserin aut Yang, Wenming verfasserin aut E., Jiaqiang verfasserin aut Kang, Zhuang verfasserin aut Fu, Guang verfasserin aut Enthalten in Fuel New York, NY [u.a.] : Elsevier, 1970 328 Online-Ressource (DE-627)300898584 (DE-600)1483656-7 (DE-576)09555176X 0016-2361 nnns volume:328 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 58.21 Brennstoffe Kraftstoffe Explosivstoffe AR 328 |
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10.1016/j.fuel.2022.125227 doi (DE-627)ELV008383936 (ELSEVIER)S0016-2361(22)02065-8 DE-627 ger DE-627 rda eng 660 DE-600 58.21 bkl Peng, Qingguo verfasserin aut Experimental and numerical investigation on premixed H 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Micro combustion is challenged by small size, high area-volume ratio and heat loss ratio, affecting the flame stability and energy efficiency. Premixed H2/air combustion with C3H8 blending and porous media (PM) setting are experimentally and numerically investigated in two size burners. Results indicate that partially inserted PM and enlarged combustor size both promote the combustion stability and broaden the burning limits, while C3H8 blending inhibit it. These factors significantly affect the combustion characteristics and heat transmission, such as flame location and temperature distribution. The addition of small amount of C3H8 is conducive to promote H2/air burning heat release and heat transfer in combustion chamber, while effects of C3H8 blending on flame anchoring and burner wall temperature modification are weakened with increase of fuel input energy Q in and burner size. Furthermore, PM strongly improves the burner mean radiation temperature of 50 K for H2 fueled combustion with Q in = 120.0 W in the burner with Od = 5 mm, while effects of PM is decreased with C3H8 blended and burner size increased. The exhaust gas temperature of PM combustion is 274 K and 459 K lower than that of free flame in the burners with Od = 4 mm and Od = 5 mm, respectively. It also notes that the burner with Od = 5 mm and PM achieves the highest radiation efficiency 41.84% at Q in = 90.0 W, while the C3H8 addition contributes to improve the efficiency of free flame in a small burner. H Combustion stability Porous media combustion Thermal performance Ye, Jiahao verfasserin aut Tu, Yaojie verfasserin aut Yang, Wenming verfasserin aut E., Jiaqiang verfasserin aut Kang, Zhuang verfasserin aut Fu, Guang verfasserin aut Enthalten in Fuel New York, NY [u.a.] : Elsevier, 1970 328 Online-Ressource (DE-627)300898584 (DE-600)1483656-7 (DE-576)09555176X 0016-2361 nnns volume:328 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 58.21 Brennstoffe Kraftstoffe Explosivstoffe AR 328 |
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660 DE-600 58.21 bkl Experimental and numerical investigation on premixed H H Combustion stability Porous media combustion Thermal performance |
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ddc 660 bkl 58.21 misc H misc Combustion stability misc Porous media combustion misc Thermal performance |
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ddc 660 bkl 58.21 misc H misc Combustion stability misc Porous media combustion misc Thermal performance |
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ddc 660 bkl 58.21 misc H misc Combustion stability misc Porous media combustion misc Thermal performance |
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title |
Experimental and numerical investigation on premixed H |
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(DE-627)ELV008383936 (ELSEVIER)S0016-2361(22)02065-8 |
title_full |
Experimental and numerical investigation on premixed H |
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2022 |
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Peng, Qingguo Ye, Jiahao Tu, Yaojie Yang, Wenming E., Jiaqiang Kang, Zhuang Fu, Guang |
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660 DE-600 58.21 bkl |
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Elektronische Aufsätze |
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Peng, Qingguo |
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10.1016/j.fuel.2022.125227 |
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660 |
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verfasserin |
title_sort |
experimental and numerical investigation on premixed h |
title_auth |
Experimental and numerical investigation on premixed H |
abstract |
Micro combustion is challenged by small size, high area-volume ratio and heat loss ratio, affecting the flame stability and energy efficiency. Premixed H2/air combustion with C3H8 blending and porous media (PM) setting are experimentally and numerically investigated in two size burners. Results indicate that partially inserted PM and enlarged combustor size both promote the combustion stability and broaden the burning limits, while C3H8 blending inhibit it. These factors significantly affect the combustion characteristics and heat transmission, such as flame location and temperature distribution. The addition of small amount of C3H8 is conducive to promote H2/air burning heat release and heat transfer in combustion chamber, while effects of C3H8 blending on flame anchoring and burner wall temperature modification are weakened with increase of fuel input energy Q in and burner size. Furthermore, PM strongly improves the burner mean radiation temperature of 50 K for H2 fueled combustion with Q in = 120.0 W in the burner with Od = 5 mm, while effects of PM is decreased with C3H8 blended and burner size increased. The exhaust gas temperature of PM combustion is 274 K and 459 K lower than that of free flame in the burners with Od = 4 mm and Od = 5 mm, respectively. It also notes that the burner with Od = 5 mm and PM achieves the highest radiation efficiency 41.84% at Q in = 90.0 W, while the C3H8 addition contributes to improve the efficiency of free flame in a small burner. |
abstractGer |
Micro combustion is challenged by small size, high area-volume ratio and heat loss ratio, affecting the flame stability and energy efficiency. Premixed H2/air combustion with C3H8 blending and porous media (PM) setting are experimentally and numerically investigated in two size burners. Results indicate that partially inserted PM and enlarged combustor size both promote the combustion stability and broaden the burning limits, while C3H8 blending inhibit it. These factors significantly affect the combustion characteristics and heat transmission, such as flame location and temperature distribution. The addition of small amount of C3H8 is conducive to promote H2/air burning heat release and heat transfer in combustion chamber, while effects of C3H8 blending on flame anchoring and burner wall temperature modification are weakened with increase of fuel input energy Q in and burner size. Furthermore, PM strongly improves the burner mean radiation temperature of 50 K for H2 fueled combustion with Q in = 120.0 W in the burner with Od = 5 mm, while effects of PM is decreased with C3H8 blended and burner size increased. The exhaust gas temperature of PM combustion is 274 K and 459 K lower than that of free flame in the burners with Od = 4 mm and Od = 5 mm, respectively. It also notes that the burner with Od = 5 mm and PM achieves the highest radiation efficiency 41.84% at Q in = 90.0 W, while the C3H8 addition contributes to improve the efficiency of free flame in a small burner. |
abstract_unstemmed |
Micro combustion is challenged by small size, high area-volume ratio and heat loss ratio, affecting the flame stability and energy efficiency. Premixed H2/air combustion with C3H8 blending and porous media (PM) setting are experimentally and numerically investigated in two size burners. Results indicate that partially inserted PM and enlarged combustor size both promote the combustion stability and broaden the burning limits, while C3H8 blending inhibit it. These factors significantly affect the combustion characteristics and heat transmission, such as flame location and temperature distribution. The addition of small amount of C3H8 is conducive to promote H2/air burning heat release and heat transfer in combustion chamber, while effects of C3H8 blending on flame anchoring and burner wall temperature modification are weakened with increase of fuel input energy Q in and burner size. Furthermore, PM strongly improves the burner mean radiation temperature of 50 K for H2 fueled combustion with Q in = 120.0 W in the burner with Od = 5 mm, while effects of PM is decreased with C3H8 blended and burner size increased. The exhaust gas temperature of PM combustion is 274 K and 459 K lower than that of free flame in the burners with Od = 4 mm and Od = 5 mm, respectively. It also notes that the burner with Od = 5 mm and PM achieves the highest radiation efficiency 41.84% at Q in = 90.0 W, while the C3H8 addition contributes to improve the efficiency of free flame in a small burner. |
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title_short |
Experimental and numerical investigation on premixed H |
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Ye, Jiahao Tu, Yaojie Yang, Wenming E., Jiaqiang Kang, Zhuang Fu, Guang |
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