Experimental investigation on flat plate solar collector using frictionally engaged thermal performance enhancer in the absorber tube
This paper deals with an experimental investigation of mixed convection effects of flat plate solar collector with copper rod and tubes thermal performance enhancers in absorber tube and comparison was made between them for the same operating condition. The highest value of Rayleigh, Grashof, and Ri...
Ausführliche Beschreibung
Autor*in: |
Balaji, K. [verfasserIn] Ganesh Kumar, P. [verfasserIn] Sakthivadivel, D. [verfasserIn] Vigneswaran, V.S. [verfasserIn] Iniyan, S. [verfasserIn] |
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E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2019 |
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Schlagwörter: |
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Übergeordnetes Werk: |
Enthalten in: Renewable energy - Amsterdam [u.a.] : Elsevier Science, 1991, 142, Seite 62-72 |
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Übergeordnetes Werk: |
volume:142 ; pages:62-72 |
DOI / URN: |
10.1016/j.renene.2019.04.078 |
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Katalog-ID: |
ELV002399857 |
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245 | 1 | 0 | |a Experimental investigation on flat plate solar collector using frictionally engaged thermal performance enhancer in the absorber tube |
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520 | |a This paper deals with an experimental investigation of mixed convection effects of flat plate solar collector with copper rod and tubes thermal performance enhancers in absorber tube and comparison was made between them for the same operating condition. The highest value of Rayleigh, Grashof, and Richardson number based on wall heat flux showed the heat exchange mode in the flat plate solar collector as of a mixed convection mode with the free convection predominant mode. The thermal performance enhancer collector significantly reduced the Rayleigh, Grashof and Richardson numbers compared to smooth pipe flat plate solar collector at all the operating condition. The experimental heat transfer coefficient for the flat plate solar collector was analyzed, and the rod thermal performance enhancer collector was found providing a higher heat transfer than tube thermal performance enhancer collector and smooth copper pipe flat plate solar collector. The highest performance evaluation factors were 1.38 and 1.29 for rod and tube thermal performance enhancers respectively. | ||
650 | 4 | |a Thermal performance enhancer | |
650 | 4 | |a Performance evaluation factor | |
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650 | 4 | |a Richardson number | |
700 | 1 | |a Ganesh Kumar, P. |e verfasserin |4 aut | |
700 | 1 | |a Sakthivadivel, D. |e verfasserin |0 (orcid)0000-0002-8174-5228 |4 aut | |
700 | 1 | |a Vigneswaran, V.S. |e verfasserin |4 aut | |
700 | 1 | |a Iniyan, S. |e verfasserin |0 (orcid)0000-0002-0525-3811 |4 aut | |
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2019 |
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10.1016/j.renene.2019.04.078 doi (DE-627)ELV002399857 (ELSEVIER)S0960-1481(19)30562-2 DE-627 ger DE-627 rda eng 530 620 DE-600 52.56 bkl Balaji, K. verfasserin (orcid)0000-0001-9899-8240 aut Experimental investigation on flat plate solar collector using frictionally engaged thermal performance enhancer in the absorber tube 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This paper deals with an experimental investigation of mixed convection effects of flat plate solar collector with copper rod and tubes thermal performance enhancers in absorber tube and comparison was made between them for the same operating condition. The highest value of Rayleigh, Grashof, and Richardson number based on wall heat flux showed the heat exchange mode in the flat plate solar collector as of a mixed convection mode with the free convection predominant mode. The thermal performance enhancer collector significantly reduced the Rayleigh, Grashof and Richardson numbers compared to smooth pipe flat plate solar collector at all the operating condition. The experimental heat transfer coefficient for the flat plate solar collector was analyzed, and the rod thermal performance enhancer collector was found providing a higher heat transfer than tube thermal performance enhancer collector and smooth copper pipe flat plate solar collector. The highest performance evaluation factors were 1.38 and 1.29 for rod and tube thermal performance enhancers respectively. Thermal performance enhancer Performance evaluation factor Free convection Grashof number Rayleigh number Richardson number Ganesh Kumar, P. verfasserin aut Sakthivadivel, D. verfasserin (orcid)0000-0002-8174-5228 aut Vigneswaran, V.S. verfasserin aut Iniyan, S. verfasserin (orcid)0000-0002-0525-3811 aut Enthalten in Renewable energy Amsterdam [u.a.] : Elsevier Science, 1991 142, Seite 62-72 Online-Ressource (DE-627)320412091 (DE-600)2001449-1 (DE-576)252613937 1879-0682 nnns volume:142 pages:62-72 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 52.56 Regenerative Energieformen alternative Energieformen AR 142 62-72 |
spelling |
10.1016/j.renene.2019.04.078 doi (DE-627)ELV002399857 (ELSEVIER)S0960-1481(19)30562-2 DE-627 ger DE-627 rda eng 530 620 DE-600 52.56 bkl Balaji, K. verfasserin (orcid)0000-0001-9899-8240 aut Experimental investigation on flat plate solar collector using frictionally engaged thermal performance enhancer in the absorber tube 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This paper deals with an experimental investigation of mixed convection effects of flat plate solar collector with copper rod and tubes thermal performance enhancers in absorber tube and comparison was made between them for the same operating condition. The highest value of Rayleigh, Grashof, and Richardson number based on wall heat flux showed the heat exchange mode in the flat plate solar collector as of a mixed convection mode with the free convection predominant mode. The thermal performance enhancer collector significantly reduced the Rayleigh, Grashof and Richardson numbers compared to smooth pipe flat plate solar collector at all the operating condition. The experimental heat transfer coefficient for the flat plate solar collector was analyzed, and the rod thermal performance enhancer collector was found providing a higher heat transfer than tube thermal performance enhancer collector and smooth copper pipe flat plate solar collector. The highest performance evaluation factors were 1.38 and 1.29 for rod and tube thermal performance enhancers respectively. Thermal performance enhancer Performance evaluation factor Free convection Grashof number Rayleigh number Richardson number Ganesh Kumar, P. verfasserin aut Sakthivadivel, D. verfasserin (orcid)0000-0002-8174-5228 aut Vigneswaran, V.S. verfasserin aut Iniyan, S. verfasserin (orcid)0000-0002-0525-3811 aut Enthalten in Renewable energy Amsterdam [u.a.] : Elsevier Science, 1991 142, Seite 62-72 Online-Ressource (DE-627)320412091 (DE-600)2001449-1 (DE-576)252613937 1879-0682 nnns volume:142 pages:62-72 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 52.56 Regenerative Energieformen alternative Energieformen AR 142 62-72 |
allfields_unstemmed |
10.1016/j.renene.2019.04.078 doi (DE-627)ELV002399857 (ELSEVIER)S0960-1481(19)30562-2 DE-627 ger DE-627 rda eng 530 620 DE-600 52.56 bkl Balaji, K. verfasserin (orcid)0000-0001-9899-8240 aut Experimental investigation on flat plate solar collector using frictionally engaged thermal performance enhancer in the absorber tube 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This paper deals with an experimental investigation of mixed convection effects of flat plate solar collector with copper rod and tubes thermal performance enhancers in absorber tube and comparison was made between them for the same operating condition. The highest value of Rayleigh, Grashof, and Richardson number based on wall heat flux showed the heat exchange mode in the flat plate solar collector as of a mixed convection mode with the free convection predominant mode. The thermal performance enhancer collector significantly reduced the Rayleigh, Grashof and Richardson numbers compared to smooth pipe flat plate solar collector at all the operating condition. The experimental heat transfer coefficient for the flat plate solar collector was analyzed, and the rod thermal performance enhancer collector was found providing a higher heat transfer than tube thermal performance enhancer collector and smooth copper pipe flat plate solar collector. The highest performance evaluation factors were 1.38 and 1.29 for rod and tube thermal performance enhancers respectively. Thermal performance enhancer Performance evaluation factor Free convection Grashof number Rayleigh number Richardson number Ganesh Kumar, P. verfasserin aut Sakthivadivel, D. verfasserin (orcid)0000-0002-8174-5228 aut Vigneswaran, V.S. verfasserin aut Iniyan, S. verfasserin (orcid)0000-0002-0525-3811 aut Enthalten in Renewable energy Amsterdam [u.a.] : Elsevier Science, 1991 142, Seite 62-72 Online-Ressource (DE-627)320412091 (DE-600)2001449-1 (DE-576)252613937 1879-0682 nnns volume:142 pages:62-72 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 52.56 Regenerative Energieformen alternative Energieformen AR 142 62-72 |
allfieldsGer |
10.1016/j.renene.2019.04.078 doi (DE-627)ELV002399857 (ELSEVIER)S0960-1481(19)30562-2 DE-627 ger DE-627 rda eng 530 620 DE-600 52.56 bkl Balaji, K. verfasserin (orcid)0000-0001-9899-8240 aut Experimental investigation on flat plate solar collector using frictionally engaged thermal performance enhancer in the absorber tube 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This paper deals with an experimental investigation of mixed convection effects of flat plate solar collector with copper rod and tubes thermal performance enhancers in absorber tube and comparison was made between them for the same operating condition. The highest value of Rayleigh, Grashof, and Richardson number based on wall heat flux showed the heat exchange mode in the flat plate solar collector as of a mixed convection mode with the free convection predominant mode. The thermal performance enhancer collector significantly reduced the Rayleigh, Grashof and Richardson numbers compared to smooth pipe flat plate solar collector at all the operating condition. The experimental heat transfer coefficient for the flat plate solar collector was analyzed, and the rod thermal performance enhancer collector was found providing a higher heat transfer than tube thermal performance enhancer collector and smooth copper pipe flat plate solar collector. The highest performance evaluation factors were 1.38 and 1.29 for rod and tube thermal performance enhancers respectively. Thermal performance enhancer Performance evaluation factor Free convection Grashof number Rayleigh number Richardson number Ganesh Kumar, P. verfasserin aut Sakthivadivel, D. verfasserin (orcid)0000-0002-8174-5228 aut Vigneswaran, V.S. verfasserin aut Iniyan, S. verfasserin (orcid)0000-0002-0525-3811 aut Enthalten in Renewable energy Amsterdam [u.a.] : Elsevier Science, 1991 142, Seite 62-72 Online-Ressource (DE-627)320412091 (DE-600)2001449-1 (DE-576)252613937 1879-0682 nnns volume:142 pages:62-72 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 52.56 Regenerative Energieformen alternative Energieformen AR 142 62-72 |
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10.1016/j.renene.2019.04.078 doi (DE-627)ELV002399857 (ELSEVIER)S0960-1481(19)30562-2 DE-627 ger DE-627 rda eng 530 620 DE-600 52.56 bkl Balaji, K. verfasserin (orcid)0000-0001-9899-8240 aut Experimental investigation on flat plate solar collector using frictionally engaged thermal performance enhancer in the absorber tube 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This paper deals with an experimental investigation of mixed convection effects of flat plate solar collector with copper rod and tubes thermal performance enhancers in absorber tube and comparison was made between them for the same operating condition. The highest value of Rayleigh, Grashof, and Richardson number based on wall heat flux showed the heat exchange mode in the flat plate solar collector as of a mixed convection mode with the free convection predominant mode. The thermal performance enhancer collector significantly reduced the Rayleigh, Grashof and Richardson numbers compared to smooth pipe flat plate solar collector at all the operating condition. The experimental heat transfer coefficient for the flat plate solar collector was analyzed, and the rod thermal performance enhancer collector was found providing a higher heat transfer than tube thermal performance enhancer collector and smooth copper pipe flat plate solar collector. The highest performance evaluation factors were 1.38 and 1.29 for rod and tube thermal performance enhancers respectively. Thermal performance enhancer Performance evaluation factor Free convection Grashof number Rayleigh number Richardson number Ganesh Kumar, P. verfasserin aut Sakthivadivel, D. verfasserin (orcid)0000-0002-8174-5228 aut Vigneswaran, V.S. verfasserin aut Iniyan, S. verfasserin (orcid)0000-0002-0525-3811 aut Enthalten in Renewable energy Amsterdam [u.a.] : Elsevier Science, 1991 142, Seite 62-72 Online-Ressource (DE-627)320412091 (DE-600)2001449-1 (DE-576)252613937 1879-0682 nnns volume:142 pages:62-72 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 52.56 Regenerative Energieformen alternative Energieformen AR 142 62-72 |
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Balaji, K. |
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Renewable energy |
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Balaji, K. Ganesh Kumar, P. Sakthivadivel, D. Vigneswaran, V.S. Iniyan, S. |
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Elektronische Aufsätze |
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Balaji, K. |
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10.1016/j.renene.2019.04.078 |
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title_sort |
experimental investigation on flat plate solar collector using frictionally engaged thermal performance enhancer in the absorber tube |
title_auth |
Experimental investigation on flat plate solar collector using frictionally engaged thermal performance enhancer in the absorber tube |
abstract |
This paper deals with an experimental investigation of mixed convection effects of flat plate solar collector with copper rod and tubes thermal performance enhancers in absorber tube and comparison was made between them for the same operating condition. The highest value of Rayleigh, Grashof, and Richardson number based on wall heat flux showed the heat exchange mode in the flat plate solar collector as of a mixed convection mode with the free convection predominant mode. The thermal performance enhancer collector significantly reduced the Rayleigh, Grashof and Richardson numbers compared to smooth pipe flat plate solar collector at all the operating condition. The experimental heat transfer coefficient for the flat plate solar collector was analyzed, and the rod thermal performance enhancer collector was found providing a higher heat transfer than tube thermal performance enhancer collector and smooth copper pipe flat plate solar collector. The highest performance evaluation factors were 1.38 and 1.29 for rod and tube thermal performance enhancers respectively. |
abstractGer |
This paper deals with an experimental investigation of mixed convection effects of flat plate solar collector with copper rod and tubes thermal performance enhancers in absorber tube and comparison was made between them for the same operating condition. The highest value of Rayleigh, Grashof, and Richardson number based on wall heat flux showed the heat exchange mode in the flat plate solar collector as of a mixed convection mode with the free convection predominant mode. The thermal performance enhancer collector significantly reduced the Rayleigh, Grashof and Richardson numbers compared to smooth pipe flat plate solar collector at all the operating condition. The experimental heat transfer coefficient for the flat plate solar collector was analyzed, and the rod thermal performance enhancer collector was found providing a higher heat transfer than tube thermal performance enhancer collector and smooth copper pipe flat plate solar collector. The highest performance evaluation factors were 1.38 and 1.29 for rod and tube thermal performance enhancers respectively. |
abstract_unstemmed |
This paper deals with an experimental investigation of mixed convection effects of flat plate solar collector with copper rod and tubes thermal performance enhancers in absorber tube and comparison was made between them for the same operating condition. The highest value of Rayleigh, Grashof, and Richardson number based on wall heat flux showed the heat exchange mode in the flat plate solar collector as of a mixed convection mode with the free convection predominant mode. The thermal performance enhancer collector significantly reduced the Rayleigh, Grashof and Richardson numbers compared to smooth pipe flat plate solar collector at all the operating condition. The experimental heat transfer coefficient for the flat plate solar collector was analyzed, and the rod thermal performance enhancer collector was found providing a higher heat transfer than tube thermal performance enhancer collector and smooth copper pipe flat plate solar collector. The highest performance evaluation factors were 1.38 and 1.29 for rod and tube thermal performance enhancers respectively. |
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title_short |
Experimental investigation on flat plate solar collector using frictionally engaged thermal performance enhancer in the absorber tube |
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author2 |
Ganesh Kumar, P. Sakthivadivel, D. Vigneswaran, V.S. Iniyan, S. |
author2Str |
Ganesh Kumar, P. Sakthivadivel, D. Vigneswaran, V.S. Iniyan, S. |
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doi_str |
10.1016/j.renene.2019.04.078 |
up_date |
2024-07-07T00:36:03.353Z |
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