Geothermal energy production utilizing a U-shaped well in combination with supercritical CO

A new method for utilizing geothermal energy via supercritical CO2 circulation through a U-shaped well is proposed. By recycling the heat transmission fluid in a closed loop, the method can avoid continuous fluid loss and long-term formation damage to the geothermal reservoirs. Furthermore, a compre...
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Gespeichert in:

Autor*in:	Sun, Xiaohui [verfasserIn] Wang, Zhiyuan [verfasserIn] Liao, Youqiang [verfasserIn] Sun, Baojiang [verfasserIn] Gao, Yonghai [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2019

Schlagwörter:	Geothermal Supercritical CO Temperature U-shaped well Heat transfer

Übergeordnetes Werk:	Enthalten in: Applied thermal engineering - Amsterdam [u.a.] : Elsevier Science, 1996, 151, Seite 523-535
Übergeordnetes Werk:	volume:151 ; pages:523-535

DOI / URN:	10.1016/j.applthermaleng.2019.02.048

Katalog-ID:	ELV001887602

Internformat


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520			\|a A new method for utilizing geothermal energy via supercritical CO2 circulation through a U-shaped well is proposed. By recycling the heat transmission fluid in a closed loop, the method can avoid continuous fluid loss and long-term formation damage to the geothermal reservoirs. Furthermore, a comprehensive model that incorporates the complicated heat transfer in the integrated wellbore and formation systems is developed to investigate the flow and thermal behavior of CO2 in the geothermal system, and is validated by the measured data. The simulated results show that the thermo-physical properties of CO2 vary dynamically in the U-shaped wellbore, providing a significant density-driven thermosiphon. For an identical injection rate, the outlet temperature and transported energy of CO2 are 108.0 °C and 186.81 kJ/kg, while those of water are 85.1 °C and 289.18 kJ/kg. Compared to the traditional double-pipe heat exchanger, the new system generates a higher outlet temperature and has a larger heat mining rate. The outlet temperature and pressure first increase and then decrease with increasing injection rate. Larger length of the horizontal section and lower thermal conductivity of the production tubing can be applied to increase the efficiency of geothermal exploitation in the proposed method.
650		4	\|a Geothermal
650		4	\|a Supercritical CO
650		4	\|a Temperature
650		4	\|a U-shaped well
650		4	\|a Heat transfer
700	1		\|a Wang, Zhiyuan \|e verfasserin \|4 aut
700	1		\|a Liao, Youqiang \|e verfasserin \|4 aut
700	1		\|a Sun, Baojiang \|e verfasserin \|4 aut
700	1		\|a Gao, Yonghai \|e verfasserin \|4 aut
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matchkey_str	article:13594311:2019----::etemlnryrdcintlznasaewlicmia
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publishDate	2019
allfields	10.1016/j.applthermaleng.2019.02.048 doi (DE-627)ELV001887602 (ELSEVIER)S1359-4311(18)37621-X DE-627 ger DE-627 rda eng 690 DE-600 52.43 bkl 52.52 bkl 52.42 bkl 50.38 bkl Sun, Xiaohui verfasserin aut Geothermal energy production utilizing a U-shaped well in combination with supercritical CO 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A new method for utilizing geothermal energy via supercritical CO2 circulation through a U-shaped well is proposed. By recycling the heat transmission fluid in a closed loop, the method can avoid continuous fluid loss and long-term formation damage to the geothermal reservoirs. Furthermore, a comprehensive model that incorporates the complicated heat transfer in the integrated wellbore and formation systems is developed to investigate the flow and thermal behavior of CO2 in the geothermal system, and is validated by the measured data. The simulated results show that the thermo-physical properties of CO2 vary dynamically in the U-shaped wellbore, providing a significant density-driven thermosiphon. For an identical injection rate, the outlet temperature and transported energy of CO2 are 108.0 °C and 186.81 kJ/kg, while those of water are 85.1 °C and 289.18 kJ/kg. Compared to the traditional double-pipe heat exchanger, the new system generates a higher outlet temperature and has a larger heat mining rate. The outlet temperature and pressure first increase and then decrease with increasing injection rate. Larger length of the horizontal section and lower thermal conductivity of the production tubing can be applied to increase the efficiency of geothermal exploitation in the proposed method. Geothermal Supercritical CO Temperature U-shaped well Heat transfer Wang, Zhiyuan verfasserin aut Liao, Youqiang verfasserin aut Sun, Baojiang verfasserin aut Gao, Yonghai verfasserin aut Enthalten in Applied thermal engineering Amsterdam [u.a.] : Elsevier Science, 1996 151, Seite 523-535 Online-Ressource (DE-627)320594122 (DE-600)2019322-1 (DE-576)256146322 1359-4311 nnns volume:151 pages:523-535 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_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 52.43 Kältetechnik 52.52 Thermische Energieerzeugung Wärmetechnik 52.42 Heizungstechnik Lüftungstechnik Klimatechnik 50.38 Technische Thermodynamik AR 151 523-535
spelling	10.1016/j.applthermaleng.2019.02.048 doi (DE-627)ELV001887602 (ELSEVIER)S1359-4311(18)37621-X DE-627 ger DE-627 rda eng 690 DE-600 52.43 bkl 52.52 bkl 52.42 bkl 50.38 bkl Sun, Xiaohui verfasserin aut Geothermal energy production utilizing a U-shaped well in combination with supercritical CO 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A new method for utilizing geothermal energy via supercritical CO2 circulation through a U-shaped well is proposed. By recycling the heat transmission fluid in a closed loop, the method can avoid continuous fluid loss and long-term formation damage to the geothermal reservoirs. Furthermore, a comprehensive model that incorporates the complicated heat transfer in the integrated wellbore and formation systems is developed to investigate the flow and thermal behavior of CO2 in the geothermal system, and is validated by the measured data. The simulated results show that the thermo-physical properties of CO2 vary dynamically in the U-shaped wellbore, providing a significant density-driven thermosiphon. For an identical injection rate, the outlet temperature and transported energy of CO2 are 108.0 °C and 186.81 kJ/kg, while those of water are 85.1 °C and 289.18 kJ/kg. Compared to the traditional double-pipe heat exchanger, the new system generates a higher outlet temperature and has a larger heat mining rate. The outlet temperature and pressure first increase and then decrease with increasing injection rate. Larger length of the horizontal section and lower thermal conductivity of the production tubing can be applied to increase the efficiency of geothermal exploitation in the proposed method. Geothermal Supercritical CO Temperature U-shaped well Heat transfer Wang, Zhiyuan verfasserin aut Liao, Youqiang verfasserin aut Sun, Baojiang verfasserin aut Gao, Yonghai verfasserin aut Enthalten in Applied thermal engineering Amsterdam [u.a.] : Elsevier Science, 1996 151, Seite 523-535 Online-Ressource (DE-627)320594122 (DE-600)2019322-1 (DE-576)256146322 1359-4311 nnns volume:151 pages:523-535 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_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 52.43 Kältetechnik 52.52 Thermische Energieerzeugung Wärmetechnik 52.42 Heizungstechnik Lüftungstechnik Klimatechnik 50.38 Technische Thermodynamik AR 151 523-535
allfields_unstemmed	10.1016/j.applthermaleng.2019.02.048 doi (DE-627)ELV001887602 (ELSEVIER)S1359-4311(18)37621-X DE-627 ger DE-627 rda eng 690 DE-600 52.43 bkl 52.52 bkl 52.42 bkl 50.38 bkl Sun, Xiaohui verfasserin aut Geothermal energy production utilizing a U-shaped well in combination with supercritical CO 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A new method for utilizing geothermal energy via supercritical CO2 circulation through a U-shaped well is proposed. By recycling the heat transmission fluid in a closed loop, the method can avoid continuous fluid loss and long-term formation damage to the geothermal reservoirs. Furthermore, a comprehensive model that incorporates the complicated heat transfer in the integrated wellbore and formation systems is developed to investigate the flow and thermal behavior of CO2 in the geothermal system, and is validated by the measured data. The simulated results show that the thermo-physical properties of CO2 vary dynamically in the U-shaped wellbore, providing a significant density-driven thermosiphon. For an identical injection rate, the outlet temperature and transported energy of CO2 are 108.0 °C and 186.81 kJ/kg, while those of water are 85.1 °C and 289.18 kJ/kg. Compared to the traditional double-pipe heat exchanger, the new system generates a higher outlet temperature and has a larger heat mining rate. The outlet temperature and pressure first increase and then decrease with increasing injection rate. Larger length of the horizontal section and lower thermal conductivity of the production tubing can be applied to increase the efficiency of geothermal exploitation in the proposed method. Geothermal Supercritical CO Temperature U-shaped well Heat transfer Wang, Zhiyuan verfasserin aut Liao, Youqiang verfasserin aut Sun, Baojiang verfasserin aut Gao, Yonghai verfasserin aut Enthalten in Applied thermal engineering Amsterdam [u.a.] : Elsevier Science, 1996 151, Seite 523-535 Online-Ressource (DE-627)320594122 (DE-600)2019322-1 (DE-576)256146322 1359-4311 nnns volume:151 pages:523-535 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_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 52.43 Kältetechnik 52.52 Thermische Energieerzeugung Wärmetechnik 52.42 Heizungstechnik Lüftungstechnik Klimatechnik 50.38 Technische Thermodynamik AR 151 523-535
allfieldsGer	10.1016/j.applthermaleng.2019.02.048 doi (DE-627)ELV001887602 (ELSEVIER)S1359-4311(18)37621-X DE-627 ger DE-627 rda eng 690 DE-600 52.43 bkl 52.52 bkl 52.42 bkl 50.38 bkl Sun, Xiaohui verfasserin aut Geothermal energy production utilizing a U-shaped well in combination with supercritical CO 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A new method for utilizing geothermal energy via supercritical CO2 circulation through a U-shaped well is proposed. By recycling the heat transmission fluid in a closed loop, the method can avoid continuous fluid loss and long-term formation damage to the geothermal reservoirs. Furthermore, a comprehensive model that incorporates the complicated heat transfer in the integrated wellbore and formation systems is developed to investigate the flow and thermal behavior of CO2 in the geothermal system, and is validated by the measured data. The simulated results show that the thermo-physical properties of CO2 vary dynamically in the U-shaped wellbore, providing a significant density-driven thermosiphon. For an identical injection rate, the outlet temperature and transported energy of CO2 are 108.0 °C and 186.81 kJ/kg, while those of water are 85.1 °C and 289.18 kJ/kg. Compared to the traditional double-pipe heat exchanger, the new system generates a higher outlet temperature and has a larger heat mining rate. The outlet temperature and pressure first increase and then decrease with increasing injection rate. Larger length of the horizontal section and lower thermal conductivity of the production tubing can be applied to increase the efficiency of geothermal exploitation in the proposed method. Geothermal Supercritical CO Temperature U-shaped well Heat transfer Wang, Zhiyuan verfasserin aut Liao, Youqiang verfasserin aut Sun, Baojiang verfasserin aut Gao, Yonghai verfasserin aut Enthalten in Applied thermal engineering Amsterdam [u.a.] : Elsevier Science, 1996 151, Seite 523-535 Online-Ressource (DE-627)320594122 (DE-600)2019322-1 (DE-576)256146322 1359-4311 nnns volume:151 pages:523-535 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_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 52.43 Kältetechnik 52.52 Thermische Energieerzeugung Wärmetechnik 52.42 Heizungstechnik Lüftungstechnik Klimatechnik 50.38 Technische Thermodynamik AR 151 523-535
allfieldsSound	10.1016/j.applthermaleng.2019.02.048 doi (DE-627)ELV001887602 (ELSEVIER)S1359-4311(18)37621-X DE-627 ger DE-627 rda eng 690 DE-600 52.43 bkl 52.52 bkl 52.42 bkl 50.38 bkl Sun, Xiaohui verfasserin aut Geothermal energy production utilizing a U-shaped well in combination with supercritical CO 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A new method for utilizing geothermal energy via supercritical CO2 circulation through a U-shaped well is proposed. By recycling the heat transmission fluid in a closed loop, the method can avoid continuous fluid loss and long-term formation damage to the geothermal reservoirs. Furthermore, a comprehensive model that incorporates the complicated heat transfer in the integrated wellbore and formation systems is developed to investigate the flow and thermal behavior of CO2 in the geothermal system, and is validated by the measured data. The simulated results show that the thermo-physical properties of CO2 vary dynamically in the U-shaped wellbore, providing a significant density-driven thermosiphon. For an identical injection rate, the outlet temperature and transported energy of CO2 are 108.0 °C and 186.81 kJ/kg, while those of water are 85.1 °C and 289.18 kJ/kg. Compared to the traditional double-pipe heat exchanger, the new system generates a higher outlet temperature and has a larger heat mining rate. The outlet temperature and pressure first increase and then decrease with increasing injection rate. Larger length of the horizontal section and lower thermal conductivity of the production tubing can be applied to increase the efficiency of geothermal exploitation in the proposed method. Geothermal Supercritical CO Temperature U-shaped well Heat transfer Wang, Zhiyuan verfasserin aut Liao, Youqiang verfasserin aut Sun, Baojiang verfasserin aut Gao, Yonghai verfasserin aut Enthalten in Applied thermal engineering Amsterdam [u.a.] : Elsevier Science, 1996 151, Seite 523-535 Online-Ressource (DE-627)320594122 (DE-600)2019322-1 (DE-576)256146322 1359-4311 nnns volume:151 pages:523-535 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_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 52.43 Kältetechnik 52.52 Thermische Energieerzeugung Wärmetechnik 52.42 Heizungstechnik Lüftungstechnik Klimatechnik 50.38 Technische Thermodynamik AR 151 523-535
language	English
source	Enthalten in Applied thermal engineering 151, Seite 523-535 volume:151 pages:523-535
sourceStr	Enthalten in Applied thermal engineering 151, Seite 523-535 volume:151 pages:523-535
format_phy_str_mv	Article
bklname	Kältetechnik Thermische Energieerzeugung Wärmetechnik Heizungstechnik Lüftungstechnik Klimatechnik Technische Thermodynamik
institution	findex.gbv.de
topic_facet	Geothermal Supercritical CO Temperature U-shaped well Heat transfer
dewey-raw	690
isfreeaccess_bool	false
container_title	Applied thermal engineering
authorswithroles_txt_mv	Sun, Xiaohui @@aut@@ Wang, Zhiyuan @@aut@@ Liao, Youqiang @@aut@@ Sun, Baojiang @@aut@@ Gao, Yonghai @@aut@@
publishDateDaySort_date	2019-01-01T00:00:00Z
hierarchy_top_id	320594122
dewey-sort	3690
id	ELV001887602
language_de	englisch
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author	Sun, Xiaohui
spellingShingle	Sun, Xiaohui ddc 690 bkl 52.43 bkl 52.52 bkl 52.42 bkl 50.38 misc Geothermal misc Supercritical CO misc Temperature misc U-shaped well misc Heat transfer Geothermal energy production utilizing a U-shaped well in combination with supercritical CO
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topic_title	690 DE-600 52.43 bkl 52.52 bkl 52.42 bkl 50.38 bkl Geothermal energy production utilizing a U-shaped well in combination with supercritical CO Geothermal Supercritical CO Temperature U-shaped well Heat transfer
topic	ddc 690 bkl 52.43 bkl 52.52 bkl 52.42 bkl 50.38 misc Geothermal misc Supercritical CO misc Temperature misc U-shaped well misc Heat transfer
topic_unstemmed	ddc 690 bkl 52.43 bkl 52.52 bkl 52.42 bkl 50.38 misc Geothermal misc Supercritical CO misc Temperature misc U-shaped well misc Heat transfer
topic_browse	ddc 690 bkl 52.43 bkl 52.52 bkl 52.42 bkl 50.38 misc Geothermal misc Supercritical CO misc Temperature misc U-shaped well misc Heat transfer
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title	Geothermal energy production utilizing a U-shaped well in combination with supercritical CO
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title_full	Geothermal energy production utilizing a U-shaped well in combination with supercritical CO
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title_sort	geothermal energy production utilizing a u-shaped well in combination with supercritical co
title_auth	Geothermal energy production utilizing a U-shaped well in combination with supercritical CO
abstract	A new method for utilizing geothermal energy via supercritical CO2 circulation through a U-shaped well is proposed. By recycling the heat transmission fluid in a closed loop, the method can avoid continuous fluid loss and long-term formation damage to the geothermal reservoirs. Furthermore, a comprehensive model that incorporates the complicated heat transfer in the integrated wellbore and formation systems is developed to investigate the flow and thermal behavior of CO2 in the geothermal system, and is validated by the measured data. The simulated results show that the thermo-physical properties of CO2 vary dynamically in the U-shaped wellbore, providing a significant density-driven thermosiphon. For an identical injection rate, the outlet temperature and transported energy of CO2 are 108.0 °C and 186.81 kJ/kg, while those of water are 85.1 °C and 289.18 kJ/kg. Compared to the traditional double-pipe heat exchanger, the new system generates a higher outlet temperature and has a larger heat mining rate. The outlet temperature and pressure first increase and then decrease with increasing injection rate. Larger length of the horizontal section and lower thermal conductivity of the production tubing can be applied to increase the efficiency of geothermal exploitation in the proposed method.
abstractGer	A new method for utilizing geothermal energy via supercritical CO2 circulation through a U-shaped well is proposed. By recycling the heat transmission fluid in a closed loop, the method can avoid continuous fluid loss and long-term formation damage to the geothermal reservoirs. Furthermore, a comprehensive model that incorporates the complicated heat transfer in the integrated wellbore and formation systems is developed to investigate the flow and thermal behavior of CO2 in the geothermal system, and is validated by the measured data. The simulated results show that the thermo-physical properties of CO2 vary dynamically in the U-shaped wellbore, providing a significant density-driven thermosiphon. For an identical injection rate, the outlet temperature and transported energy of CO2 are 108.0 °C and 186.81 kJ/kg, while those of water are 85.1 °C and 289.18 kJ/kg. Compared to the traditional double-pipe heat exchanger, the new system generates a higher outlet temperature and has a larger heat mining rate. The outlet temperature and pressure first increase and then decrease with increasing injection rate. Larger length of the horizontal section and lower thermal conductivity of the production tubing can be applied to increase the efficiency of geothermal exploitation in the proposed method.
abstract_unstemmed	A new method for utilizing geothermal energy via supercritical CO2 circulation through a U-shaped well is proposed. By recycling the heat transmission fluid in a closed loop, the method can avoid continuous fluid loss and long-term formation damage to the geothermal reservoirs. Furthermore, a comprehensive model that incorporates the complicated heat transfer in the integrated wellbore and formation systems is developed to investigate the flow and thermal behavior of CO2 in the geothermal system, and is validated by the measured data. The simulated results show that the thermo-physical properties of CO2 vary dynamically in the U-shaped wellbore, providing a significant density-driven thermosiphon. For an identical injection rate, the outlet temperature and transported energy of CO2 are 108.0 °C and 186.81 kJ/kg, while those of water are 85.1 °C and 289.18 kJ/kg. Compared to the traditional double-pipe heat exchanger, the new system generates a higher outlet temperature and has a larger heat mining rate. The outlet temperature and pressure first increase and then decrease with increasing injection rate. Larger length of the horizontal section and lower thermal conductivity of the production tubing can be applied to increase the efficiency of geothermal exploitation in the proposed method.
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title_short	Geothermal energy production utilizing a U-shaped well in combination with supercritical CO
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author2	Wang, Zhiyuan Liao, Youqiang Sun, Baojiang Gao, Yonghai
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up_date	2024-07-06T22:54:16.696Z
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Geothermal energy production utilizing a U-shaped well in combination with supercritical CO

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