A numerical study of elastocaloric regenerators of tubular structures

Solid-state elastocaloric cooling is increasingly recognized as preferred cooling technology to conventional vapor compressions without using coolants that are volatile atmospheric pollutants or greenhouse gases with global warming potential. However, the specific cooling power (SCP) of current prot...
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Gespeichert in:

Autor*in:	Zhu, Yuxiang [verfasserIn] Zhou, Guoan [verfasserIn] Cheng, Siyuan [verfasserIn] Sun, Qingping [verfasserIn] Yao, Shuhuai [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	Elastocaloric Cooling Nondimensional Model Regenerative Cooling System

Übergeordnetes Werk:	Enthalten in: Applied energy - Amsterdam [u.a.] : Elsevier Science, 1975, 339
Übergeordnetes Werk:	volume:339

DOI / URN:	10.1016/j.apenergy.2023.120990

Katalog-ID:	ELV065692659

Internformat


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520			\|a Solid-state elastocaloric cooling is increasingly recognized as preferred cooling technology to conventional vapor compressions without using coolants that are volatile atmospheric pollutants or greenhouse gases with global warming potential. However, the specific cooling power (SCP) of current prototypes has yet to be improved in meeting practical requirements. In this work, tubular nickel-titanium (NiTi) elastocaloric regenerators with enhanced heat transfer structures were proposed in order to increase cooling performance in compression-loaded regenerative systems. A numerical model was developed to evaluate this cooling performance. Using a nondimensional analysis of the governing equations, the model simplifies the investigation of the design and operation parameters and greatly reduces the computation complexity of the regenerative elastocaloric cooling systems. As a demonstration, the design principles have been applied to yield an elastocaloric regenerator of spiral-shaped tubular structures, which improves the maximum SCP and maximum temperature span by 186% and 146% respectively, compared to a plain tube design, proving that the numerical model provides a promising pathway for developing energy-efficient elastocaloric cooling systems.
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publishDate	2023
allfields	10.1016/j.apenergy.2023.120990 doi (DE-627)ELV065692659 (ELSEVIER)S0306-2619(23)00354-9 DE-627 ger DE-627 rda eng 620 VZ 52.50 bkl Zhu, Yuxiang verfasserin aut A numerical study of elastocaloric regenerators of tubular structures 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Solid-state elastocaloric cooling is increasingly recognized as preferred cooling technology to conventional vapor compressions without using coolants that are volatile atmospheric pollutants or greenhouse gases with global warming potential. However, the specific cooling power (SCP) of current prototypes has yet to be improved in meeting practical requirements. In this work, tubular nickel-titanium (NiTi) elastocaloric regenerators with enhanced heat transfer structures were proposed in order to increase cooling performance in compression-loaded regenerative systems. A numerical model was developed to evaluate this cooling performance. Using a nondimensional analysis of the governing equations, the model simplifies the investigation of the design and operation parameters and greatly reduces the computation complexity of the regenerative elastocaloric cooling systems. As a demonstration, the design principles have been applied to yield an elastocaloric regenerator of spiral-shaped tubular structures, which improves the maximum SCP and maximum temperature span by 186% and 146% respectively, compared to a plain tube design, proving that the numerical model provides a promising pathway for developing energy-efficient elastocaloric cooling systems. Elastocaloric Cooling Nondimensional Model Regenerative Cooling System Zhou, Guoan verfasserin (orcid)0000-0001-5327-5583 aut Cheng, Siyuan verfasserin (orcid)0000-0002-1022-9920 aut Sun, Qingping verfasserin (orcid)0000-0002-1032-766X aut Yao, Shuhuai verfasserin (orcid)0000-0001-7059-4092 aut Enthalten in Applied energy Amsterdam [u.a.] : Elsevier Science, 1975 339 Online-Ressource (DE-627)320406709 (DE-600)2000772-3 (DE-576)256140251 1872-9118 nnns volume:339 GBV_USEFLAG_U GBV_ELV SYSFLAG_U 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_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_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 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_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_2111 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_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 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_4338 GBV_ILN_4393 GBV_ILN_4700 52.50 Energietechnik: Allgemeines VZ AR 339
spelling	10.1016/j.apenergy.2023.120990 doi (DE-627)ELV065692659 (ELSEVIER)S0306-2619(23)00354-9 DE-627 ger DE-627 rda eng 620 VZ 52.50 bkl Zhu, Yuxiang verfasserin aut A numerical study of elastocaloric regenerators of tubular structures 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Solid-state elastocaloric cooling is increasingly recognized as preferred cooling technology to conventional vapor compressions without using coolants that are volatile atmospheric pollutants or greenhouse gases with global warming potential. However, the specific cooling power (SCP) of current prototypes has yet to be improved in meeting practical requirements. In this work, tubular nickel-titanium (NiTi) elastocaloric regenerators with enhanced heat transfer structures were proposed in order to increase cooling performance in compression-loaded regenerative systems. A numerical model was developed to evaluate this cooling performance. Using a nondimensional analysis of the governing equations, the model simplifies the investigation of the design and operation parameters and greatly reduces the computation complexity of the regenerative elastocaloric cooling systems. As a demonstration, the design principles have been applied to yield an elastocaloric regenerator of spiral-shaped tubular structures, which improves the maximum SCP and maximum temperature span by 186% and 146% respectively, compared to a plain tube design, proving that the numerical model provides a promising pathway for developing energy-efficient elastocaloric cooling systems. Elastocaloric Cooling Nondimensional Model Regenerative Cooling System Zhou, Guoan verfasserin (orcid)0000-0001-5327-5583 aut Cheng, Siyuan verfasserin (orcid)0000-0002-1022-9920 aut Sun, Qingping verfasserin (orcid)0000-0002-1032-766X aut Yao, Shuhuai verfasserin (orcid)0000-0001-7059-4092 aut Enthalten in Applied energy Amsterdam [u.a.] : Elsevier Science, 1975 339 Online-Ressource (DE-627)320406709 (DE-600)2000772-3 (DE-576)256140251 1872-9118 nnns volume:339 GBV_USEFLAG_U GBV_ELV SYSFLAG_U 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_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_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 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_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_2111 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_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 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_4338 GBV_ILN_4393 GBV_ILN_4700 52.50 Energietechnik: Allgemeines VZ AR 339
allfields_unstemmed	10.1016/j.apenergy.2023.120990 doi (DE-627)ELV065692659 (ELSEVIER)S0306-2619(23)00354-9 DE-627 ger DE-627 rda eng 620 VZ 52.50 bkl Zhu, Yuxiang verfasserin aut A numerical study of elastocaloric regenerators of tubular structures 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Solid-state elastocaloric cooling is increasingly recognized as preferred cooling technology to conventional vapor compressions without using coolants that are volatile atmospheric pollutants or greenhouse gases with global warming potential. However, the specific cooling power (SCP) of current prototypes has yet to be improved in meeting practical requirements. In this work, tubular nickel-titanium (NiTi) elastocaloric regenerators with enhanced heat transfer structures were proposed in order to increase cooling performance in compression-loaded regenerative systems. A numerical model was developed to evaluate this cooling performance. Using a nondimensional analysis of the governing equations, the model simplifies the investigation of the design and operation parameters and greatly reduces the computation complexity of the regenerative elastocaloric cooling systems. As a demonstration, the design principles have been applied to yield an elastocaloric regenerator of spiral-shaped tubular structures, which improves the maximum SCP and maximum temperature span by 186% and 146% respectively, compared to a plain tube design, proving that the numerical model provides a promising pathway for developing energy-efficient elastocaloric cooling systems. Elastocaloric Cooling Nondimensional Model Regenerative Cooling System Zhou, Guoan verfasserin (orcid)0000-0001-5327-5583 aut Cheng, Siyuan verfasserin (orcid)0000-0002-1022-9920 aut Sun, Qingping verfasserin (orcid)0000-0002-1032-766X aut Yao, Shuhuai verfasserin (orcid)0000-0001-7059-4092 aut Enthalten in Applied energy Amsterdam [u.a.] : Elsevier Science, 1975 339 Online-Ressource (DE-627)320406709 (DE-600)2000772-3 (DE-576)256140251 1872-9118 nnns volume:339 GBV_USEFLAG_U GBV_ELV SYSFLAG_U 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_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_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 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_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_2111 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_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 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_4338 GBV_ILN_4393 GBV_ILN_4700 52.50 Energietechnik: Allgemeines VZ AR 339
allfieldsGer	10.1016/j.apenergy.2023.120990 doi (DE-627)ELV065692659 (ELSEVIER)S0306-2619(23)00354-9 DE-627 ger DE-627 rda eng 620 VZ 52.50 bkl Zhu, Yuxiang verfasserin aut A numerical study of elastocaloric regenerators of tubular structures 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Solid-state elastocaloric cooling is increasingly recognized as preferred cooling technology to conventional vapor compressions without using coolants that are volatile atmospheric pollutants or greenhouse gases with global warming potential. However, the specific cooling power (SCP) of current prototypes has yet to be improved in meeting practical requirements. In this work, tubular nickel-titanium (NiTi) elastocaloric regenerators with enhanced heat transfer structures were proposed in order to increase cooling performance in compression-loaded regenerative systems. A numerical model was developed to evaluate this cooling performance. Using a nondimensional analysis of the governing equations, the model simplifies the investigation of the design and operation parameters and greatly reduces the computation complexity of the regenerative elastocaloric cooling systems. As a demonstration, the design principles have been applied to yield an elastocaloric regenerator of spiral-shaped tubular structures, which improves the maximum SCP and maximum temperature span by 186% and 146% respectively, compared to a plain tube design, proving that the numerical model provides a promising pathway for developing energy-efficient elastocaloric cooling systems. Elastocaloric Cooling Nondimensional Model Regenerative Cooling System Zhou, Guoan verfasserin (orcid)0000-0001-5327-5583 aut Cheng, Siyuan verfasserin (orcid)0000-0002-1022-9920 aut Sun, Qingping verfasserin (orcid)0000-0002-1032-766X aut Yao, Shuhuai verfasserin (orcid)0000-0001-7059-4092 aut Enthalten in Applied energy Amsterdam [u.a.] : Elsevier Science, 1975 339 Online-Ressource (DE-627)320406709 (DE-600)2000772-3 (DE-576)256140251 1872-9118 nnns volume:339 GBV_USEFLAG_U GBV_ELV SYSFLAG_U 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_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_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 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_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_2111 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_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 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_4338 GBV_ILN_4393 GBV_ILN_4700 52.50 Energietechnik: Allgemeines VZ AR 339
allfieldsSound	10.1016/j.apenergy.2023.120990 doi (DE-627)ELV065692659 (ELSEVIER)S0306-2619(23)00354-9 DE-627 ger DE-627 rda eng 620 VZ 52.50 bkl Zhu, Yuxiang verfasserin aut A numerical study of elastocaloric regenerators of tubular structures 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Solid-state elastocaloric cooling is increasingly recognized as preferred cooling technology to conventional vapor compressions without using coolants that are volatile atmospheric pollutants or greenhouse gases with global warming potential. However, the specific cooling power (SCP) of current prototypes has yet to be improved in meeting practical requirements. In this work, tubular nickel-titanium (NiTi) elastocaloric regenerators with enhanced heat transfer structures were proposed in order to increase cooling performance in compression-loaded regenerative systems. A numerical model was developed to evaluate this cooling performance. Using a nondimensional analysis of the governing equations, the model simplifies the investigation of the design and operation parameters and greatly reduces the computation complexity of the regenerative elastocaloric cooling systems. As a demonstration, the design principles have been applied to yield an elastocaloric regenerator of spiral-shaped tubular structures, which improves the maximum SCP and maximum temperature span by 186% and 146% respectively, compared to a plain tube design, proving that the numerical model provides a promising pathway for developing energy-efficient elastocaloric cooling systems. Elastocaloric Cooling Nondimensional Model Regenerative Cooling System Zhou, Guoan verfasserin (orcid)0000-0001-5327-5583 aut Cheng, Siyuan verfasserin (orcid)0000-0002-1022-9920 aut Sun, Qingping verfasserin (orcid)0000-0002-1032-766X aut Yao, Shuhuai verfasserin (orcid)0000-0001-7059-4092 aut Enthalten in Applied energy Amsterdam [u.a.] : Elsevier Science, 1975 339 Online-Ressource (DE-627)320406709 (DE-600)2000772-3 (DE-576)256140251 1872-9118 nnns volume:339 GBV_USEFLAG_U GBV_ELV SYSFLAG_U 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_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_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 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_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_2111 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_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 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_4338 GBV_ILN_4393 GBV_ILN_4700 52.50 Energietechnik: Allgemeines VZ AR 339
language	English
source	Enthalten in Applied energy 339 volume:339
sourceStr	Enthalten in Applied energy 339 volume:339
format_phy_str_mv	Article
bklname	Energietechnik: Allgemeines
institution	findex.gbv.de
topic_facet	Elastocaloric Cooling Nondimensional Model Regenerative Cooling System
dewey-raw	620
isfreeaccess_bool	false
container_title	Applied energy
authorswithroles_txt_mv	Zhu, Yuxiang @@aut@@ Zhou, Guoan @@aut@@ Cheng, Siyuan @@aut@@ Sun, Qingping @@aut@@ Yao, Shuhuai @@aut@@
publishDateDaySort_date	2023-01-01T00:00:00Z
hierarchy_top_id	320406709
dewey-sort	3620
id	ELV065692659
language_de	englisch
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author	Zhu, Yuxiang
spellingShingle	Zhu, Yuxiang ddc 620 bkl 52.50 misc Elastocaloric Cooling misc Nondimensional Model misc Regenerative Cooling System A numerical study of elastocaloric regenerators of tubular structures
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topic_title	620 VZ 52.50 bkl A numerical study of elastocaloric regenerators of tubular structures Elastocaloric Cooling Nondimensional Model Regenerative Cooling System
topic	ddc 620 bkl 52.50 misc Elastocaloric Cooling misc Nondimensional Model misc Regenerative Cooling System
topic_unstemmed	ddc 620 bkl 52.50 misc Elastocaloric Cooling misc Nondimensional Model misc Regenerative Cooling System
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title	A numerical study of elastocaloric regenerators of tubular structures
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title_full	A numerical study of elastocaloric regenerators of tubular structures
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title_sort	a numerical study of elastocaloric regenerators of tubular structures
title_auth	A numerical study of elastocaloric regenerators of tubular structures
abstract	Solid-state elastocaloric cooling is increasingly recognized as preferred cooling technology to conventional vapor compressions without using coolants that are volatile atmospheric pollutants or greenhouse gases with global warming potential. However, the specific cooling power (SCP) of current prototypes has yet to be improved in meeting practical requirements. In this work, tubular nickel-titanium (NiTi) elastocaloric regenerators with enhanced heat transfer structures were proposed in order to increase cooling performance in compression-loaded regenerative systems. A numerical model was developed to evaluate this cooling performance. Using a nondimensional analysis of the governing equations, the model simplifies the investigation of the design and operation parameters and greatly reduces the computation complexity of the regenerative elastocaloric cooling systems. As a demonstration, the design principles have been applied to yield an elastocaloric regenerator of spiral-shaped tubular structures, which improves the maximum SCP and maximum temperature span by 186% and 146% respectively, compared to a plain tube design, proving that the numerical model provides a promising pathway for developing energy-efficient elastocaloric cooling systems.
abstractGer	Solid-state elastocaloric cooling is increasingly recognized as preferred cooling technology to conventional vapor compressions without using coolants that are volatile atmospheric pollutants or greenhouse gases with global warming potential. However, the specific cooling power (SCP) of current prototypes has yet to be improved in meeting practical requirements. In this work, tubular nickel-titanium (NiTi) elastocaloric regenerators with enhanced heat transfer structures were proposed in order to increase cooling performance in compression-loaded regenerative systems. A numerical model was developed to evaluate this cooling performance. Using a nondimensional analysis of the governing equations, the model simplifies the investigation of the design and operation parameters and greatly reduces the computation complexity of the regenerative elastocaloric cooling systems. As a demonstration, the design principles have been applied to yield an elastocaloric regenerator of spiral-shaped tubular structures, which improves the maximum SCP and maximum temperature span by 186% and 146% respectively, compared to a plain tube design, proving that the numerical model provides a promising pathway for developing energy-efficient elastocaloric cooling systems.
abstract_unstemmed	Solid-state elastocaloric cooling is increasingly recognized as preferred cooling technology to conventional vapor compressions without using coolants that are volatile atmospheric pollutants or greenhouse gases with global warming potential. However, the specific cooling power (SCP) of current prototypes has yet to be improved in meeting practical requirements. In this work, tubular nickel-titanium (NiTi) elastocaloric regenerators with enhanced heat transfer structures were proposed in order to increase cooling performance in compression-loaded regenerative systems. A numerical model was developed to evaluate this cooling performance. Using a nondimensional analysis of the governing equations, the model simplifies the investigation of the design and operation parameters and greatly reduces the computation complexity of the regenerative elastocaloric cooling systems. As a demonstration, the design principles have been applied to yield an elastocaloric regenerator of spiral-shaped tubular structures, which improves the maximum SCP and maximum temperature span by 186% and 146% respectively, compared to a plain tube design, proving that the numerical model provides a promising pathway for developing energy-efficient elastocaloric cooling systems.
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title_short	A numerical study of elastocaloric regenerators of tubular structures
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author2	Zhou, Guoan Cheng, Siyuan Sun, Qingping Yao, Shuhuai
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up_date	2024-07-06T23:55:03.232Z
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A numerical study of elastocaloric regenerators of tubular structures

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