A detailed mathematical model for thermal performance analysis of a cylindrical cavity receiver in a solar parabolic dish collector system
In this study, a comprehensive mathematical model was developed and proposed for a cylindrical cavity receiver, placed at focal point of a parabolic dish collector (PDC) system. The main approach in the model is based on non-isothermal internal walls of receiver. The model was validated with experim...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Karimi, Reza [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2018transfer abstract |
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| Schlagwörter: |
Solar irradiation concentration ratio |
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| Umfang: |
15 |
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| Übergeordnetes Werk: |
Enthalten in: Technologies and practice of CO - HU, Yongle ELSEVIER, 2019, an international journal : the official journal of WREN, The World Renewable Energy Network, Amsterdam [u.a.] |
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| Übergeordnetes Werk: |
volume:125 ; year:2018 ; pages:768-782 ; extent:15 |
| Links: |
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| DOI / URN: |
10.1016/j.renene.2018.03.015 |
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| Katalog-ID: |
ELV042997739 |
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| 245 | 1 | 0 | |a A detailed mathematical model for thermal performance analysis of a cylindrical cavity receiver in a solar parabolic dish collector system |
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| 520 | |a In this study, a comprehensive mathematical model was developed and proposed for a cylindrical cavity receiver, placed at focal point of a parabolic dish collector (PDC) system. The main approach in the model is based on non-isothermal internal walls of receiver. The model was validated with experimental data and the statistical parameters of R 2 , RMSE and MBE show that there is a good agreement between the model results and experimental data. The effect of some operational parameters such as, HTF mass flow rate and global solar irradiation intensity, and some geometrical parameters of solar receiver such as, receiver aperture diameter and its length on the thermal performance of the system were investigated. For the parabolic dish collector and its receiver, a new definition called as solar irradiation concentration ratio (CR irr ), was proposed. For a receiver with geometrical concentration ratio (CR geo ) greater than solar irradiation concentration ratio, by increasing in receiver aperture area up to 0.2 m the Heat Transfer Fluid (HTF) outlet temperature and receiver thermal efficiency are increased. For CR geo less than CR irr , the mentioned parameters decrease due to increasing in heat losses. The proposed model can be applied in Design for Manufacturing (DFM) of novel high performance solar receivers. | ||
| 520 | |a In this study, a comprehensive mathematical model was developed and proposed for a cylindrical cavity receiver, placed at focal point of a parabolic dish collector (PDC) system. The main approach in the model is based on non-isothermal internal walls of receiver. The model was validated with experimental data and the statistical parameters of R 2 , RMSE and MBE show that there is a good agreement between the model results and experimental data. The effect of some operational parameters such as, HTF mass flow rate and global solar irradiation intensity, and some geometrical parameters of solar receiver such as, receiver aperture diameter and its length on the thermal performance of the system were investigated. For the parabolic dish collector and its receiver, a new definition called as solar irradiation concentration ratio (CR irr ), was proposed. For a receiver with geometrical concentration ratio (CR geo ) greater than solar irradiation concentration ratio, by increasing in receiver aperture area up to 0.2 m the Heat Transfer Fluid (HTF) outlet temperature and receiver thermal efficiency are increased. For CR geo less than CR irr , the mentioned parameters decrease due to increasing in heat losses. The proposed model can be applied in Design for Manufacturing (DFM) of novel high performance solar receivers. | ||
| 650 | 7 | |a Cylindrical cavity receiver |2 Elsevier | |
| 650 | 7 | |a Solar irradiation concentration ratio |2 Elsevier | |
| 650 | 7 | |a Geometrical concentration ratio |2 Elsevier | |
| 650 | 7 | |a Design for Manufacturing |2 Elsevier | |
| 650 | 7 | |a Parabolic dish collector |2 Elsevier | |
| 650 | 7 | |a Mathematical model |2 Elsevier | |
| 700 | 1 | |a Gheinani, Touraj Tavakoli |4 oth | |
| 700 | 1 | |a Madadi Avargani, Vahid |4 oth | |
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10.1016/j.renene.2018.03.015 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001210.pica (DE-627)ELV042997739 (ELSEVIER)S0960-1481(18)30313-6 DE-627 ger DE-627 rakwb eng Karimi, Reza verfasserin aut A detailed mathematical model for thermal performance analysis of a cylindrical cavity receiver in a solar parabolic dish collector system 2018transfer abstract 15 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier In this study, a comprehensive mathematical model was developed and proposed for a cylindrical cavity receiver, placed at focal point of a parabolic dish collector (PDC) system. The main approach in the model is based on non-isothermal internal walls of receiver. The model was validated with experimental data and the statistical parameters of R 2 , RMSE and MBE show that there is a good agreement between the model results and experimental data. The effect of some operational parameters such as, HTF mass flow rate and global solar irradiation intensity, and some geometrical parameters of solar receiver such as, receiver aperture diameter and its length on the thermal performance of the system were investigated. For the parabolic dish collector and its receiver, a new definition called as solar irradiation concentration ratio (CR irr ), was proposed. For a receiver with geometrical concentration ratio (CR geo ) greater than solar irradiation concentration ratio, by increasing in receiver aperture area up to 0.2 m the Heat Transfer Fluid (HTF) outlet temperature and receiver thermal efficiency are increased. For CR geo less than CR irr , the mentioned parameters decrease due to increasing in heat losses. The proposed model can be applied in Design for Manufacturing (DFM) of novel high performance solar receivers. In this study, a comprehensive mathematical model was developed and proposed for a cylindrical cavity receiver, placed at focal point of a parabolic dish collector (PDC) system. The main approach in the model is based on non-isothermal internal walls of receiver. The model was validated with experimental data and the statistical parameters of R 2 , RMSE and MBE show that there is a good agreement between the model results and experimental data. The effect of some operational parameters such as, HTF mass flow rate and global solar irradiation intensity, and some geometrical parameters of solar receiver such as, receiver aperture diameter and its length on the thermal performance of the system were investigated. For the parabolic dish collector and its receiver, a new definition called as solar irradiation concentration ratio (CR irr ), was proposed. For a receiver with geometrical concentration ratio (CR geo ) greater than solar irradiation concentration ratio, by increasing in receiver aperture area up to 0.2 m the Heat Transfer Fluid (HTF) outlet temperature and receiver thermal efficiency are increased. For CR geo less than CR irr , the mentioned parameters decrease due to increasing in heat losses. The proposed model can be applied in Design for Manufacturing (DFM) of novel high performance solar receivers. Cylindrical cavity receiver Elsevier Solar irradiation concentration ratio Elsevier Geometrical concentration ratio Elsevier Design for Manufacturing Elsevier Parabolic dish collector Elsevier Mathematical model Elsevier Gheinani, Touraj Tavakoli oth Madadi Avargani, Vahid oth Enthalten in Elsevier Science HU, Yongle ELSEVIER Technologies and practice of CO 2019 an international journal : the official journal of WREN, The World Renewable Energy Network Amsterdam [u.a.] (DE-627)ELV002723662 volume:125 year:2018 pages:768-782 extent:15 https://doi.org/10.1016/j.renene.2018.03.015 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U AR 125 2018 768-782 15 |
| spelling |
10.1016/j.renene.2018.03.015 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001210.pica (DE-627)ELV042997739 (ELSEVIER)S0960-1481(18)30313-6 DE-627 ger DE-627 rakwb eng Karimi, Reza verfasserin aut A detailed mathematical model for thermal performance analysis of a cylindrical cavity receiver in a solar parabolic dish collector system 2018transfer abstract 15 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier In this study, a comprehensive mathematical model was developed and proposed for a cylindrical cavity receiver, placed at focal point of a parabolic dish collector (PDC) system. The main approach in the model is based on non-isothermal internal walls of receiver. The model was validated with experimental data and the statistical parameters of R 2 , RMSE and MBE show that there is a good agreement between the model results and experimental data. The effect of some operational parameters such as, HTF mass flow rate and global solar irradiation intensity, and some geometrical parameters of solar receiver such as, receiver aperture diameter and its length on the thermal performance of the system were investigated. For the parabolic dish collector and its receiver, a new definition called as solar irradiation concentration ratio (CR irr ), was proposed. For a receiver with geometrical concentration ratio (CR geo ) greater than solar irradiation concentration ratio, by increasing in receiver aperture area up to 0.2 m the Heat Transfer Fluid (HTF) outlet temperature and receiver thermal efficiency are increased. For CR geo less than CR irr , the mentioned parameters decrease due to increasing in heat losses. The proposed model can be applied in Design for Manufacturing (DFM) of novel high performance solar receivers. In this study, a comprehensive mathematical model was developed and proposed for a cylindrical cavity receiver, placed at focal point of a parabolic dish collector (PDC) system. The main approach in the model is based on non-isothermal internal walls of receiver. The model was validated with experimental data and the statistical parameters of R 2 , RMSE and MBE show that there is a good agreement between the model results and experimental data. The effect of some operational parameters such as, HTF mass flow rate and global solar irradiation intensity, and some geometrical parameters of solar receiver such as, receiver aperture diameter and its length on the thermal performance of the system were investigated. For the parabolic dish collector and its receiver, a new definition called as solar irradiation concentration ratio (CR irr ), was proposed. For a receiver with geometrical concentration ratio (CR geo ) greater than solar irradiation concentration ratio, by increasing in receiver aperture area up to 0.2 m the Heat Transfer Fluid (HTF) outlet temperature and receiver thermal efficiency are increased. For CR geo less than CR irr , the mentioned parameters decrease due to increasing in heat losses. The proposed model can be applied in Design for Manufacturing (DFM) of novel high performance solar receivers. Cylindrical cavity receiver Elsevier Solar irradiation concentration ratio Elsevier Geometrical concentration ratio Elsevier Design for Manufacturing Elsevier Parabolic dish collector Elsevier Mathematical model Elsevier Gheinani, Touraj Tavakoli oth Madadi Avargani, Vahid oth Enthalten in Elsevier Science HU, Yongle ELSEVIER Technologies and practice of CO 2019 an international journal : the official journal of WREN, The World Renewable Energy Network Amsterdam [u.a.] (DE-627)ELV002723662 volume:125 year:2018 pages:768-782 extent:15 https://doi.org/10.1016/j.renene.2018.03.015 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U AR 125 2018 768-782 15 |
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10.1016/j.renene.2018.03.015 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001210.pica (DE-627)ELV042997739 (ELSEVIER)S0960-1481(18)30313-6 DE-627 ger DE-627 rakwb eng Karimi, Reza verfasserin aut A detailed mathematical model for thermal performance analysis of a cylindrical cavity receiver in a solar parabolic dish collector system 2018transfer abstract 15 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier In this study, a comprehensive mathematical model was developed and proposed for a cylindrical cavity receiver, placed at focal point of a parabolic dish collector (PDC) system. The main approach in the model is based on non-isothermal internal walls of receiver. The model was validated with experimental data and the statistical parameters of R 2 , RMSE and MBE show that there is a good agreement between the model results and experimental data. The effect of some operational parameters such as, HTF mass flow rate and global solar irradiation intensity, and some geometrical parameters of solar receiver such as, receiver aperture diameter and its length on the thermal performance of the system were investigated. For the parabolic dish collector and its receiver, a new definition called as solar irradiation concentration ratio (CR irr ), was proposed. For a receiver with geometrical concentration ratio (CR geo ) greater than solar irradiation concentration ratio, by increasing in receiver aperture area up to 0.2 m the Heat Transfer Fluid (HTF) outlet temperature and receiver thermal efficiency are increased. For CR geo less than CR irr , the mentioned parameters decrease due to increasing in heat losses. The proposed model can be applied in Design for Manufacturing (DFM) of novel high performance solar receivers. In this study, a comprehensive mathematical model was developed and proposed for a cylindrical cavity receiver, placed at focal point of a parabolic dish collector (PDC) system. The main approach in the model is based on non-isothermal internal walls of receiver. The model was validated with experimental data and the statistical parameters of R 2 , RMSE and MBE show that there is a good agreement between the model results and experimental data. The effect of some operational parameters such as, HTF mass flow rate and global solar irradiation intensity, and some geometrical parameters of solar receiver such as, receiver aperture diameter and its length on the thermal performance of the system were investigated. For the parabolic dish collector and its receiver, a new definition called as solar irradiation concentration ratio (CR irr ), was proposed. For a receiver with geometrical concentration ratio (CR geo ) greater than solar irradiation concentration ratio, by increasing in receiver aperture area up to 0.2 m the Heat Transfer Fluid (HTF) outlet temperature and receiver thermal efficiency are increased. For CR geo less than CR irr , the mentioned parameters decrease due to increasing in heat losses. The proposed model can be applied in Design for Manufacturing (DFM) of novel high performance solar receivers. Cylindrical cavity receiver Elsevier Solar irradiation concentration ratio Elsevier Geometrical concentration ratio Elsevier Design for Manufacturing Elsevier Parabolic dish collector Elsevier Mathematical model Elsevier Gheinani, Touraj Tavakoli oth Madadi Avargani, Vahid oth Enthalten in Elsevier Science HU, Yongle ELSEVIER Technologies and practice of CO 2019 an international journal : the official journal of WREN, The World Renewable Energy Network Amsterdam [u.a.] (DE-627)ELV002723662 volume:125 year:2018 pages:768-782 extent:15 https://doi.org/10.1016/j.renene.2018.03.015 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U AR 125 2018 768-782 15 |
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10.1016/j.renene.2018.03.015 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001210.pica (DE-627)ELV042997739 (ELSEVIER)S0960-1481(18)30313-6 DE-627 ger DE-627 rakwb eng Karimi, Reza verfasserin aut A detailed mathematical model for thermal performance analysis of a cylindrical cavity receiver in a solar parabolic dish collector system 2018transfer abstract 15 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier In this study, a comprehensive mathematical model was developed and proposed for a cylindrical cavity receiver, placed at focal point of a parabolic dish collector (PDC) system. The main approach in the model is based on non-isothermal internal walls of receiver. The model was validated with experimental data and the statistical parameters of R 2 , RMSE and MBE show that there is a good agreement between the model results and experimental data. The effect of some operational parameters such as, HTF mass flow rate and global solar irradiation intensity, and some geometrical parameters of solar receiver such as, receiver aperture diameter and its length on the thermal performance of the system were investigated. For the parabolic dish collector and its receiver, a new definition called as solar irradiation concentration ratio (CR irr ), was proposed. For a receiver with geometrical concentration ratio (CR geo ) greater than solar irradiation concentration ratio, by increasing in receiver aperture area up to 0.2 m the Heat Transfer Fluid (HTF) outlet temperature and receiver thermal efficiency are increased. For CR geo less than CR irr , the mentioned parameters decrease due to increasing in heat losses. The proposed model can be applied in Design for Manufacturing (DFM) of novel high performance solar receivers. In this study, a comprehensive mathematical model was developed and proposed for a cylindrical cavity receiver, placed at focal point of a parabolic dish collector (PDC) system. The main approach in the model is based on non-isothermal internal walls of receiver. The model was validated with experimental data and the statistical parameters of R 2 , RMSE and MBE show that there is a good agreement between the model results and experimental data. The effect of some operational parameters such as, HTF mass flow rate and global solar irradiation intensity, and some geometrical parameters of solar receiver such as, receiver aperture diameter and its length on the thermal performance of the system were investigated. For the parabolic dish collector and its receiver, a new definition called as solar irradiation concentration ratio (CR irr ), was proposed. For a receiver with geometrical concentration ratio (CR geo ) greater than solar irradiation concentration ratio, by increasing in receiver aperture area up to 0.2 m the Heat Transfer Fluid (HTF) outlet temperature and receiver thermal efficiency are increased. For CR geo less than CR irr , the mentioned parameters decrease due to increasing in heat losses. The proposed model can be applied in Design for Manufacturing (DFM) of novel high performance solar receivers. Cylindrical cavity receiver Elsevier Solar irradiation concentration ratio Elsevier Geometrical concentration ratio Elsevier Design for Manufacturing Elsevier Parabolic dish collector Elsevier Mathematical model Elsevier Gheinani, Touraj Tavakoli oth Madadi Avargani, Vahid oth Enthalten in Elsevier Science HU, Yongle ELSEVIER Technologies and practice of CO 2019 an international journal : the official journal of WREN, The World Renewable Energy Network Amsterdam [u.a.] (DE-627)ELV002723662 volume:125 year:2018 pages:768-782 extent:15 https://doi.org/10.1016/j.renene.2018.03.015 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U AR 125 2018 768-782 15 |
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10.1016/j.renene.2018.03.015 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001210.pica (DE-627)ELV042997739 (ELSEVIER)S0960-1481(18)30313-6 DE-627 ger DE-627 rakwb eng Karimi, Reza verfasserin aut A detailed mathematical model for thermal performance analysis of a cylindrical cavity receiver in a solar parabolic dish collector system 2018transfer abstract 15 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier In this study, a comprehensive mathematical model was developed and proposed for a cylindrical cavity receiver, placed at focal point of a parabolic dish collector (PDC) system. The main approach in the model is based on non-isothermal internal walls of receiver. The model was validated with experimental data and the statistical parameters of R 2 , RMSE and MBE show that there is a good agreement between the model results and experimental data. The effect of some operational parameters such as, HTF mass flow rate and global solar irradiation intensity, and some geometrical parameters of solar receiver such as, receiver aperture diameter and its length on the thermal performance of the system were investigated. For the parabolic dish collector and its receiver, a new definition called as solar irradiation concentration ratio (CR irr ), was proposed. For a receiver with geometrical concentration ratio (CR geo ) greater than solar irradiation concentration ratio, by increasing in receiver aperture area up to 0.2 m the Heat Transfer Fluid (HTF) outlet temperature and receiver thermal efficiency are increased. For CR geo less than CR irr , the mentioned parameters decrease due to increasing in heat losses. The proposed model can be applied in Design for Manufacturing (DFM) of novel high performance solar receivers. In this study, a comprehensive mathematical model was developed and proposed for a cylindrical cavity receiver, placed at focal point of a parabolic dish collector (PDC) system. The main approach in the model is based on non-isothermal internal walls of receiver. The model was validated with experimental data and the statistical parameters of R 2 , RMSE and MBE show that there is a good agreement between the model results and experimental data. The effect of some operational parameters such as, HTF mass flow rate and global solar irradiation intensity, and some geometrical parameters of solar receiver such as, receiver aperture diameter and its length on the thermal performance of the system were investigated. For the parabolic dish collector and its receiver, a new definition called as solar irradiation concentration ratio (CR irr ), was proposed. For a receiver with geometrical concentration ratio (CR geo ) greater than solar irradiation concentration ratio, by increasing in receiver aperture area up to 0.2 m the Heat Transfer Fluid (HTF) outlet temperature and receiver thermal efficiency are increased. For CR geo less than CR irr , the mentioned parameters decrease due to increasing in heat losses. The proposed model can be applied in Design for Manufacturing (DFM) of novel high performance solar receivers. Cylindrical cavity receiver Elsevier Solar irradiation concentration ratio Elsevier Geometrical concentration ratio Elsevier Design for Manufacturing Elsevier Parabolic dish collector Elsevier Mathematical model Elsevier Gheinani, Touraj Tavakoli oth Madadi Avargani, Vahid oth Enthalten in Elsevier Science HU, Yongle ELSEVIER Technologies and practice of CO 2019 an international journal : the official journal of WREN, The World Renewable Energy Network Amsterdam [u.a.] (DE-627)ELV002723662 volume:125 year:2018 pages:768-782 extent:15 https://doi.org/10.1016/j.renene.2018.03.015 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U AR 125 2018 768-782 15 |
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Enthalten in Technologies and practice of CO Amsterdam [u.a.] volume:125 year:2018 pages:768-782 extent:15 |
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Karimi, Reza @@aut@@ Gheinani, Touraj Tavakoli @@oth@@ Madadi Avargani, Vahid @@oth@@ |
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The main approach in the model is based on non-isothermal internal walls of receiver. The model was validated with experimental data and the statistical parameters of R 2 , RMSE and MBE show that there is a good agreement between the model results and experimental data. The effect of some operational parameters such as, HTF mass flow rate and global solar irradiation intensity, and some geometrical parameters of solar receiver such as, receiver aperture diameter and its length on the thermal performance of the system were investigated. For the parabolic dish collector and its receiver, a new definition called as solar irradiation concentration ratio (CR irr ), was proposed. For a receiver with geometrical concentration ratio (CR geo ) greater than solar irradiation concentration ratio, by increasing in receiver aperture area up to 0.2 m the Heat Transfer Fluid (HTF) outlet temperature and receiver thermal efficiency are increased. 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The effect of some operational parameters such as, HTF mass flow rate and global solar irradiation intensity, and some geometrical parameters of solar receiver such as, receiver aperture diameter and its length on the thermal performance of the system were investigated. For the parabolic dish collector and its receiver, a new definition called as solar irradiation concentration ratio (CR irr ), was proposed. For a receiver with geometrical concentration ratio (CR geo ) greater than solar irradiation concentration ratio, by increasing in receiver aperture area up to 0.2 m the Heat Transfer Fluid (HTF) outlet temperature and receiver thermal efficiency are increased. For CR geo less than CR irr , the mentioned parameters decrease due to increasing in heat losses. 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Karimi, Reza Elsevier Cylindrical cavity receiver Elsevier Solar irradiation concentration ratio Elsevier Geometrical concentration ratio Elsevier Design for Manufacturing Elsevier Parabolic dish collector Elsevier Mathematical model A detailed mathematical model for thermal performance analysis of a cylindrical cavity receiver in a solar parabolic dish collector system |
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a detailed mathematical model for thermal performance analysis of a cylindrical cavity receiver in a solar parabolic dish collector system |
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A detailed mathematical model for thermal performance analysis of a cylindrical cavity receiver in a solar parabolic dish collector system |
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In this study, a comprehensive mathematical model was developed and proposed for a cylindrical cavity receiver, placed at focal point of a parabolic dish collector (PDC) system. The main approach in the model is based on non-isothermal internal walls of receiver. The model was validated with experimental data and the statistical parameters of R 2 , RMSE and MBE show that there is a good agreement between the model results and experimental data. The effect of some operational parameters such as, HTF mass flow rate and global solar irradiation intensity, and some geometrical parameters of solar receiver such as, receiver aperture diameter and its length on the thermal performance of the system were investigated. For the parabolic dish collector and its receiver, a new definition called as solar irradiation concentration ratio (CR irr ), was proposed. For a receiver with geometrical concentration ratio (CR geo ) greater than solar irradiation concentration ratio, by increasing in receiver aperture area up to 0.2 m the Heat Transfer Fluid (HTF) outlet temperature and receiver thermal efficiency are increased. For CR geo less than CR irr , the mentioned parameters decrease due to increasing in heat losses. The proposed model can be applied in Design for Manufacturing (DFM) of novel high performance solar receivers. |
| abstractGer |
In this study, a comprehensive mathematical model was developed and proposed for a cylindrical cavity receiver, placed at focal point of a parabolic dish collector (PDC) system. The main approach in the model is based on non-isothermal internal walls of receiver. The model was validated with experimental data and the statistical parameters of R 2 , RMSE and MBE show that there is a good agreement between the model results and experimental data. The effect of some operational parameters such as, HTF mass flow rate and global solar irradiation intensity, and some geometrical parameters of solar receiver such as, receiver aperture diameter and its length on the thermal performance of the system were investigated. For the parabolic dish collector and its receiver, a new definition called as solar irradiation concentration ratio (CR irr ), was proposed. For a receiver with geometrical concentration ratio (CR geo ) greater than solar irradiation concentration ratio, by increasing in receiver aperture area up to 0.2 m the Heat Transfer Fluid (HTF) outlet temperature and receiver thermal efficiency are increased. For CR geo less than CR irr , the mentioned parameters decrease due to increasing in heat losses. The proposed model can be applied in Design for Manufacturing (DFM) of novel high performance solar receivers. |
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In this study, a comprehensive mathematical model was developed and proposed for a cylindrical cavity receiver, placed at focal point of a parabolic dish collector (PDC) system. The main approach in the model is based on non-isothermal internal walls of receiver. The model was validated with experimental data and the statistical parameters of R 2 , RMSE and MBE show that there is a good agreement between the model results and experimental data. The effect of some operational parameters such as, HTF mass flow rate and global solar irradiation intensity, and some geometrical parameters of solar receiver such as, receiver aperture diameter and its length on the thermal performance of the system were investigated. For the parabolic dish collector and its receiver, a new definition called as solar irradiation concentration ratio (CR irr ), was proposed. For a receiver with geometrical concentration ratio (CR geo ) greater than solar irradiation concentration ratio, by increasing in receiver aperture area up to 0.2 m the Heat Transfer Fluid (HTF) outlet temperature and receiver thermal efficiency are increased. For CR geo less than CR irr , the mentioned parameters decrease due to increasing in heat losses. The proposed model can be applied in Design for Manufacturing (DFM) of novel high performance solar receivers. |
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