Influence of the braided structure on the film cooling performance over the ceramic matrix composite plate

The influence of the braided structure on the film cooling performance over a ceramic matrix composite plate was numerically and experimentally investigated. The model based on the effective thermal conductivity and the model based on the internal micro braided structures were both built to demonstr...
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Autor*in:	Tu, Zecan [verfasserIn] Zhao, Chenwei [verfasserIn] Mao, Junkui [verfasserIn] Zhao, Xiao [verfasserIn] Han, Xingsi [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2021

Schlagwörter:	Film cooling Anisotropic thermal conductivity Braided composite Cooling efficiency

Übergeordnetes Werk:	Enthalten in: International journal of thermal sciences - Amsterdam [u.a.] : Elsevier Science, 1996, 170
Übergeordnetes Werk:	volume:170

DOI / URN:	10.1016/j.ijthermalsci.2021.107112

Katalog-ID:	ELV010001964

Internformat


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520			\|a The influence of the braided structure on the film cooling performance over a ceramic matrix composite plate was numerically and experimentally investigated. The model based on the effective thermal conductivity and the model based on the internal micro braided structures were both built to demonstrate the effects of the braided structure on the cooling performance. Firstly, the experiment of the film cooling efficiency on the braided plate was carried out, to validate the numerical method, which presented good accuracy. Then, the temperature and cooling efficiency distributions were compared between the results based on these two models. Additionally, the braided angle of the internal structure and the relative position between the holes and the braided yarns were changed to investigate their influence on the cooling efficiency and the internal temperature filed. The results show that, the internal braided structure has obvious influence on the cooling effect and the heat conduction inside the composite plate, leading to the non-uniform variation of the cooling efficiency and the temperature. The relative variation between the average cooling efficiencies based on these two models reaches 10.4%. Additionally, the relative position between the film hole and the braided yarns would affect the phase of the cooling efficiency's non-uniform variation. The relative variation among the maximum cooling efficiencies with different relative positions could reach 10.73%, and the cooling performance is best when the hole is located on the horizontal braid yarns. The braided angle would affect the periodic length of the temperature's non-uniform variation inside the plate. The cooling performance is better with smaller braided angle, but the influence is not significant.
650		4	\|a Film cooling
650		4	\|a Anisotropic thermal conductivity
650		4	\|a Braided composite
650		4	\|a Cooling efficiency
700	1		\|a Zhao, Chenwei \|e verfasserin \|4 aut
700	1		\|a Mao, Junkui \|e verfasserin \|4 aut
700	1		\|a Zhao, Xiao \|e verfasserin \|4 aut
700	1		\|a Han, Xingsi \|e verfasserin \|4 aut
773	0	8	\|i Enthalten in \|t International journal of thermal sciences \|d Amsterdam [u.a.] : Elsevier Science, 1996 \|g 170 \|h Online-Ressource \|w (DE-627)320509982 \|w (DE-600)2013298-0 \|w (DE-576)259271438 \|x 1778-4166 \|7 nnns
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matchkey_str	article:17784166:2021----::nlecoteriesrcuenhflcoigefracoetee
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publishDate	2021
allfields	10.1016/j.ijthermalsci.2021.107112 doi (DE-627)ELV010001964 (ELSEVIER)S1290-0729(21)00274-X DE-627 ger DE-627 rda eng 530 620 VZ 50.38 bkl Tu, Zecan verfasserin aut Influence of the braided structure on the film cooling performance over the ceramic matrix composite plate 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The influence of the braided structure on the film cooling performance over a ceramic matrix composite plate was numerically and experimentally investigated. The model based on the effective thermal conductivity and the model based on the internal micro braided structures were both built to demonstrate the effects of the braided structure on the cooling performance. Firstly, the experiment of the film cooling efficiency on the braided plate was carried out, to validate the numerical method, which presented good accuracy. Then, the temperature and cooling efficiency distributions were compared between the results based on these two models. Additionally, the braided angle of the internal structure and the relative position between the holes and the braided yarns were changed to investigate their influence on the cooling efficiency and the internal temperature filed. The results show that, the internal braided structure has obvious influence on the cooling effect and the heat conduction inside the composite plate, leading to the non-uniform variation of the cooling efficiency and the temperature. The relative variation between the average cooling efficiencies based on these two models reaches 10.4%. Additionally, the relative position between the film hole and the braided yarns would affect the phase of the cooling efficiency's non-uniform variation. The relative variation among the maximum cooling efficiencies with different relative positions could reach 10.73%, and the cooling performance is best when the hole is located on the horizontal braid yarns. The braided angle would affect the periodic length of the temperature's non-uniform variation inside the plate. The cooling performance is better with smaller braided angle, but the influence is not significant. Film cooling Anisotropic thermal conductivity Braided composite Cooling efficiency Zhao, Chenwei verfasserin aut Mao, Junkui verfasserin aut Zhao, Xiao verfasserin aut Han, Xingsi verfasserin aut Enthalten in International journal of thermal sciences Amsterdam [u.a.] : Elsevier Science, 1996 170 Online-Ressource (DE-627)320509982 (DE-600)2013298-0 (DE-576)259271438 1778-4166 nnns volume:170 GBV_USEFLAG_U SYSFLAG_U GBV_ELV 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_101 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_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_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_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.38 Technische Thermodynamik VZ AR 170
spelling	10.1016/j.ijthermalsci.2021.107112 doi (DE-627)ELV010001964 (ELSEVIER)S1290-0729(21)00274-X DE-627 ger DE-627 rda eng 530 620 VZ 50.38 bkl Tu, Zecan verfasserin aut Influence of the braided structure on the film cooling performance over the ceramic matrix composite plate 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The influence of the braided structure on the film cooling performance over a ceramic matrix composite plate was numerically and experimentally investigated. The model based on the effective thermal conductivity and the model based on the internal micro braided structures were both built to demonstrate the effects of the braided structure on the cooling performance. Firstly, the experiment of the film cooling efficiency on the braided plate was carried out, to validate the numerical method, which presented good accuracy. Then, the temperature and cooling efficiency distributions were compared between the results based on these two models. Additionally, the braided angle of the internal structure and the relative position between the holes and the braided yarns were changed to investigate their influence on the cooling efficiency and the internal temperature filed. The results show that, the internal braided structure has obvious influence on the cooling effect and the heat conduction inside the composite plate, leading to the non-uniform variation of the cooling efficiency and the temperature. The relative variation between the average cooling efficiencies based on these two models reaches 10.4%. Additionally, the relative position between the film hole and the braided yarns would affect the phase of the cooling efficiency's non-uniform variation. The relative variation among the maximum cooling efficiencies with different relative positions could reach 10.73%, and the cooling performance is best when the hole is located on the horizontal braid yarns. The braided angle would affect the periodic length of the temperature's non-uniform variation inside the plate. The cooling performance is better with smaller braided angle, but the influence is not significant. Film cooling Anisotropic thermal conductivity Braided composite Cooling efficiency Zhao, Chenwei verfasserin aut Mao, Junkui verfasserin aut Zhao, Xiao verfasserin aut Han, Xingsi verfasserin aut Enthalten in International journal of thermal sciences Amsterdam [u.a.] : Elsevier Science, 1996 170 Online-Ressource (DE-627)320509982 (DE-600)2013298-0 (DE-576)259271438 1778-4166 nnns volume:170 GBV_USEFLAG_U SYSFLAG_U GBV_ELV 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_101 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_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_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_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.38 Technische Thermodynamik VZ AR 170
allfields_unstemmed	10.1016/j.ijthermalsci.2021.107112 doi (DE-627)ELV010001964 (ELSEVIER)S1290-0729(21)00274-X DE-627 ger DE-627 rda eng 530 620 VZ 50.38 bkl Tu, Zecan verfasserin aut Influence of the braided structure on the film cooling performance over the ceramic matrix composite plate 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The influence of the braided structure on the film cooling performance over a ceramic matrix composite plate was numerically and experimentally investigated. The model based on the effective thermal conductivity and the model based on the internal micro braided structures were both built to demonstrate the effects of the braided structure on the cooling performance. Firstly, the experiment of the film cooling efficiency on the braided plate was carried out, to validate the numerical method, which presented good accuracy. Then, the temperature and cooling efficiency distributions were compared between the results based on these two models. Additionally, the braided angle of the internal structure and the relative position between the holes and the braided yarns were changed to investigate their influence on the cooling efficiency and the internal temperature filed. The results show that, the internal braided structure has obvious influence on the cooling effect and the heat conduction inside the composite plate, leading to the non-uniform variation of the cooling efficiency and the temperature. The relative variation between the average cooling efficiencies based on these two models reaches 10.4%. Additionally, the relative position between the film hole and the braided yarns would affect the phase of the cooling efficiency's non-uniform variation. The relative variation among the maximum cooling efficiencies with different relative positions could reach 10.73%, and the cooling performance is best when the hole is located on the horizontal braid yarns. The braided angle would affect the periodic length of the temperature's non-uniform variation inside the plate. The cooling performance is better with smaller braided angle, but the influence is not significant. Film cooling Anisotropic thermal conductivity Braided composite Cooling efficiency Zhao, Chenwei verfasserin aut Mao, Junkui verfasserin aut Zhao, Xiao verfasserin aut Han, Xingsi verfasserin aut Enthalten in International journal of thermal sciences Amsterdam [u.a.] : Elsevier Science, 1996 170 Online-Ressource (DE-627)320509982 (DE-600)2013298-0 (DE-576)259271438 1778-4166 nnns volume:170 GBV_USEFLAG_U SYSFLAG_U GBV_ELV 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_101 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_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_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_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.38 Technische Thermodynamik VZ AR 170
allfieldsGer	10.1016/j.ijthermalsci.2021.107112 doi (DE-627)ELV010001964 (ELSEVIER)S1290-0729(21)00274-X DE-627 ger DE-627 rda eng 530 620 VZ 50.38 bkl Tu, Zecan verfasserin aut Influence of the braided structure on the film cooling performance over the ceramic matrix composite plate 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The influence of the braided structure on the film cooling performance over a ceramic matrix composite plate was numerically and experimentally investigated. The model based on the effective thermal conductivity and the model based on the internal micro braided structures were both built to demonstrate the effects of the braided structure on the cooling performance. Firstly, the experiment of the film cooling efficiency on the braided plate was carried out, to validate the numerical method, which presented good accuracy. Then, the temperature and cooling efficiency distributions were compared between the results based on these two models. Additionally, the braided angle of the internal structure and the relative position between the holes and the braided yarns were changed to investigate their influence on the cooling efficiency and the internal temperature filed. The results show that, the internal braided structure has obvious influence on the cooling effect and the heat conduction inside the composite plate, leading to the non-uniform variation of the cooling efficiency and the temperature. The relative variation between the average cooling efficiencies based on these two models reaches 10.4%. Additionally, the relative position between the film hole and the braided yarns would affect the phase of the cooling efficiency's non-uniform variation. The relative variation among the maximum cooling efficiencies with different relative positions could reach 10.73%, and the cooling performance is best when the hole is located on the horizontal braid yarns. The braided angle would affect the periodic length of the temperature's non-uniform variation inside the plate. The cooling performance is better with smaller braided angle, but the influence is not significant. Film cooling Anisotropic thermal conductivity Braided composite Cooling efficiency Zhao, Chenwei verfasserin aut Mao, Junkui verfasserin aut Zhao, Xiao verfasserin aut Han, Xingsi verfasserin aut Enthalten in International journal of thermal sciences Amsterdam [u.a.] : Elsevier Science, 1996 170 Online-Ressource (DE-627)320509982 (DE-600)2013298-0 (DE-576)259271438 1778-4166 nnns volume:170 GBV_USEFLAG_U SYSFLAG_U GBV_ELV 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_101 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_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_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_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.38 Technische Thermodynamik VZ AR 170
allfieldsSound	10.1016/j.ijthermalsci.2021.107112 doi (DE-627)ELV010001964 (ELSEVIER)S1290-0729(21)00274-X DE-627 ger DE-627 rda eng 530 620 VZ 50.38 bkl Tu, Zecan verfasserin aut Influence of the braided structure on the film cooling performance over the ceramic matrix composite plate 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The influence of the braided structure on the film cooling performance over a ceramic matrix composite plate was numerically and experimentally investigated. The model based on the effective thermal conductivity and the model based on the internal micro braided structures were both built to demonstrate the effects of the braided structure on the cooling performance. Firstly, the experiment of the film cooling efficiency on the braided plate was carried out, to validate the numerical method, which presented good accuracy. Then, the temperature and cooling efficiency distributions were compared between the results based on these two models. Additionally, the braided angle of the internal structure and the relative position between the holes and the braided yarns were changed to investigate their influence on the cooling efficiency and the internal temperature filed. The results show that, the internal braided structure has obvious influence on the cooling effect and the heat conduction inside the composite plate, leading to the non-uniform variation of the cooling efficiency and the temperature. The relative variation between the average cooling efficiencies based on these two models reaches 10.4%. Additionally, the relative position between the film hole and the braided yarns would affect the phase of the cooling efficiency's non-uniform variation. The relative variation among the maximum cooling efficiencies with different relative positions could reach 10.73%, and the cooling performance is best when the hole is located on the horizontal braid yarns. The braided angle would affect the periodic length of the temperature's non-uniform variation inside the plate. The cooling performance is better with smaller braided angle, but the influence is not significant. Film cooling Anisotropic thermal conductivity Braided composite Cooling efficiency Zhao, Chenwei verfasserin aut Mao, Junkui verfasserin aut Zhao, Xiao verfasserin aut Han, Xingsi verfasserin aut Enthalten in International journal of thermal sciences Amsterdam [u.a.] : Elsevier Science, 1996 170 Online-Ressource (DE-627)320509982 (DE-600)2013298-0 (DE-576)259271438 1778-4166 nnns volume:170 GBV_USEFLAG_U SYSFLAG_U GBV_ELV 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_101 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_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_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_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.38 Technische Thermodynamik VZ AR 170
language	English
source	Enthalten in International journal of thermal sciences 170 volume:170
sourceStr	Enthalten in International journal of thermal sciences 170 volume:170
format_phy_str_mv	Article
bklname	Technische Thermodynamik
institution	findex.gbv.de
topic_facet	Film cooling Anisotropic thermal conductivity Braided composite Cooling efficiency
dewey-raw	530
isfreeaccess_bool	false
container_title	International journal of thermal sciences
authorswithroles_txt_mv	Tu, Zecan @@aut@@ Zhao, Chenwei @@aut@@ Mao, Junkui @@aut@@ Zhao, Xiao @@aut@@ Han, Xingsi @@aut@@
publishDateDaySort_date	2021-01-01T00:00:00Z
hierarchy_top_id	320509982
dewey-sort	3530
id	ELV010001964
language_de	englisch
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author	Tu, Zecan
spellingShingle	Tu, Zecan ddc 530 bkl 50.38 misc Film cooling misc Anisotropic thermal conductivity misc Braided composite misc Cooling efficiency Influence of the braided structure on the film cooling performance over the ceramic matrix composite plate
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topic_title	530 620 VZ 50.38 bkl Influence of the braided structure on the film cooling performance over the ceramic matrix composite plate Film cooling Anisotropic thermal conductivity Braided composite Cooling efficiency
topic	ddc 530 bkl 50.38 misc Film cooling misc Anisotropic thermal conductivity misc Braided composite misc Cooling efficiency
topic_unstemmed	ddc 530 bkl 50.38 misc Film cooling misc Anisotropic thermal conductivity misc Braided composite misc Cooling efficiency
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title	Influence of the braided structure on the film cooling performance over the ceramic matrix composite plate
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title_full	Influence of the braided structure on the film cooling performance over the ceramic matrix composite plate
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author_browse	Tu, Zecan Zhao, Chenwei Mao, Junkui Zhao, Xiao Han, Xingsi
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title_sort	influence of the braided structure on the film cooling performance over the ceramic matrix composite plate
title_auth	Influence of the braided structure on the film cooling performance over the ceramic matrix composite plate
abstract	The influence of the braided structure on the film cooling performance over a ceramic matrix composite plate was numerically and experimentally investigated. The model based on the effective thermal conductivity and the model based on the internal micro braided structures were both built to demonstrate the effects of the braided structure on the cooling performance. Firstly, the experiment of the film cooling efficiency on the braided plate was carried out, to validate the numerical method, which presented good accuracy. Then, the temperature and cooling efficiency distributions were compared between the results based on these two models. Additionally, the braided angle of the internal structure and the relative position between the holes and the braided yarns were changed to investigate their influence on the cooling efficiency and the internal temperature filed. The results show that, the internal braided structure has obvious influence on the cooling effect and the heat conduction inside the composite plate, leading to the non-uniform variation of the cooling efficiency and the temperature. The relative variation between the average cooling efficiencies based on these two models reaches 10.4%. Additionally, the relative position between the film hole and the braided yarns would affect the phase of the cooling efficiency's non-uniform variation. The relative variation among the maximum cooling efficiencies with different relative positions could reach 10.73%, and the cooling performance is best when the hole is located on the horizontal braid yarns. The braided angle would affect the periodic length of the temperature's non-uniform variation inside the plate. The cooling performance is better with smaller braided angle, but the influence is not significant.
abstractGer	The influence of the braided structure on the film cooling performance over a ceramic matrix composite plate was numerically and experimentally investigated. The model based on the effective thermal conductivity and the model based on the internal micro braided structures were both built to demonstrate the effects of the braided structure on the cooling performance. Firstly, the experiment of the film cooling efficiency on the braided plate was carried out, to validate the numerical method, which presented good accuracy. Then, the temperature and cooling efficiency distributions were compared between the results based on these two models. Additionally, the braided angle of the internal structure and the relative position between the holes and the braided yarns were changed to investigate their influence on the cooling efficiency and the internal temperature filed. The results show that, the internal braided structure has obvious influence on the cooling effect and the heat conduction inside the composite plate, leading to the non-uniform variation of the cooling efficiency and the temperature. The relative variation between the average cooling efficiencies based on these two models reaches 10.4%. Additionally, the relative position between the film hole and the braided yarns would affect the phase of the cooling efficiency's non-uniform variation. The relative variation among the maximum cooling efficiencies with different relative positions could reach 10.73%, and the cooling performance is best when the hole is located on the horizontal braid yarns. The braided angle would affect the periodic length of the temperature's non-uniform variation inside the plate. The cooling performance is better with smaller braided angle, but the influence is not significant.
abstract_unstemmed	The influence of the braided structure on the film cooling performance over a ceramic matrix composite plate was numerically and experimentally investigated. The model based on the effective thermal conductivity and the model based on the internal micro braided structures were both built to demonstrate the effects of the braided structure on the cooling performance. Firstly, the experiment of the film cooling efficiency on the braided plate was carried out, to validate the numerical method, which presented good accuracy. Then, the temperature and cooling efficiency distributions were compared between the results based on these two models. Additionally, the braided angle of the internal structure and the relative position between the holes and the braided yarns were changed to investigate their influence on the cooling efficiency and the internal temperature filed. The results show that, the internal braided structure has obvious influence on the cooling effect and the heat conduction inside the composite plate, leading to the non-uniform variation of the cooling efficiency and the temperature. The relative variation between the average cooling efficiencies based on these two models reaches 10.4%. Additionally, the relative position between the film hole and the braided yarns would affect the phase of the cooling efficiency's non-uniform variation. The relative variation among the maximum cooling efficiencies with different relative positions could reach 10.73%, and the cooling performance is best when the hole is located on the horizontal braid yarns. The braided angle would affect the periodic length of the temperature's non-uniform variation inside the plate. The cooling performance is better with smaller braided angle, but the influence is not significant.
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title_short	Influence of the braided structure on the film cooling performance over the ceramic matrix composite plate
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author2	Zhao, Chenwei Mao, Junkui Zhao, Xiao Han, Xingsi
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doi_str	10.1016/j.ijthermalsci.2021.107112
up_date	2024-07-07T01:05:03.855Z
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Influence of the braided structure on the film cooling performance over the ceramic matrix composite plate

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