Thermoeconomic and optimization analyses of direct oxy-combustion supercritical carbon dioxide power cycles with dry and wet cooling
<p dir="ltr">Oxy-combustion supercritical CO<sub>2</sub> power cycles have the advantages of high-energy efficiency and near-zero pollutant emissions. Thus, these cycles are considered as an efficient way to reduce CO<sub>2</sub> emissions while maintaining ec...
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2021
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| _version_ | 1864513547814305792 |
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| author | Ahmad K. Sleiti (14778229) |
| author2 | Wahib A. Al-Ammari (17191519) Ladislav Vesely (17269084) Jayanta S. Kapat (17269087) |
| author2_role | author author author |
| author_facet | Ahmad K. Sleiti (14778229) Wahib A. Al-Ammari (17191519) Ladislav Vesely (17269084) Jayanta S. Kapat (17269087) |
| author_role | author |
| dc.creator.none.fl_str_mv | Ahmad K. Sleiti (14778229) Wahib A. Al-Ammari (17191519) Ladislav Vesely (17269084) Jayanta S. Kapat (17269087) |
| dc.date.none.fl_str_mv | 2021-10-01T00:00:00Z |
| dc.identifier.none.fl_str_mv | 10.1016/j.enconman.2021.114607 |
| dc.relation.none.fl_str_mv | https://figshare.com/articles/journal_contribution/Thermoeconomic_and_optimization_analyses_of_direct_oxy-combustion_supercritical_carbon_dioxide_power_cycles_with_dry_and_wet_cooling/24420451 |
| dc.rights.none.fl_str_mv | CC BY 4.0 info:eu-repo/semantics/openAccess |
| dc.subject.none.fl_str_mv | Engineering Electrical engineering Environmental engineering Fluid mechanics and thermal engineering LCOE Multi-objective optimization Supercritical carbon dioxide sCO2 power cycle Direct oxy-combustion Thermoeconomic analysis |
| dc.title.none.fl_str_mv | Thermoeconomic and optimization analyses of direct oxy-combustion supercritical carbon dioxide power cycles with dry and wet cooling |
| dc.type.none.fl_str_mv | Text Journal contribution info:eu-repo/semantics/publishedVersion text contribution to journal |
| description | <p dir="ltr">Oxy-combustion supercritical CO<sub>2</sub> power cycles have the advantages of high-energy efficiency and near-zero pollutant emissions. Thus, these cycles are considered as an efficient way to reduce CO<sub>2</sub> emissions while maintaining economic growth. The major drawbacks of this technology include the lack of validated levelized cost of electricity (LCOE) studies; lower turbine inlet temperatures studies to accommodate the integration of various energy sources; solutions for the thermodynamic imbalance of the regenerator; and investigating the dry- versus the wet-cooling methods. These drawbacks are addressed in this paper by presenting comprehensive thermoeconomic and optimization analyses for three direct oxy-fuel sCO<sub>2</sub> power cycles in wet and dry-cooling conditions. The first cycle M1 is a direct oxy-fuel sCO<sub>2</sub> power cycle without preheater, the second cycle M2 integrates a preheater in parallel with the low-temperature recuperator of M1 while the third cycle M3 integrates a preheater in parallel with the high and low-temperature recuperators of M1. Results show that the integration of the preheater improves the thermal efficiency of M2 by 5.81% (wet), and 3.27% (dry), and of M3 by 13.27% (wet), and 6.58% (dry). The LCOE of M1 (without preheater) is higher than that of M2 by 10.8% (wet), and 5.7% (dry), and of M3 by 19.1% (wet), and 11.4% (dry). A minimum LCOE of 4.667¢/kWh<sub>e</sub> is obtained for M3 (wet) and of 6.139¢/kWh<sub>e</sub> for M3 (dry). At higher waste heat source temperature of 700 °C, the overall efficiency is improved by an average of 11% and the LCOE is reduced by 1.43 ¢/kWh<sub>e</sub>.</p><h2>Other Information</h2><p dir="ltr">Published in: Energy Conversion and Management<br>License: <a href="http://creativecommons.org/licenses/by/4.0/" target="_blank">http://creativecommons.org/licenses/by/4.0/</a><br>See article on publisher's website: <a href="https://dx.doi.org/10.1016/j.enconman.2021.114607" target="_blank">https://dx.doi.org/10.1016/j.enconman.2021.114607</a></p> |
| eu_rights_str_mv | openAccess |
| id | Manara2_f2cf968c4781b442d16b3c54bc0a2613 |
| identifier_str_mv | 10.1016/j.enconman.2021.114607 |
| network_acronym_str | Manara2 |
| network_name_str | Manara2 |
| oai_identifier_str | oai:figshare.com:article/24420451 |
| publishDate | 2021 |
| repository.mail.fl_str_mv | |
| repository.name.fl_str_mv | |
| repository_id_str | |
| rights_invalid_str_mv | CC BY 4.0 |
| spelling | Thermoeconomic and optimization analyses of direct oxy-combustion supercritical carbon dioxide power cycles with dry and wet coolingAhmad K. Sleiti (14778229)Wahib A. Al-Ammari (17191519)Ladislav Vesely (17269084)Jayanta S. Kapat (17269087)EngineeringElectrical engineeringEnvironmental engineeringFluid mechanics and thermal engineeringLCOEMulti-objective optimizationSupercritical carbon dioxidesCO2 power cycleDirect oxy-combustionThermoeconomic analysis<p dir="ltr">Oxy-combustion supercritical CO<sub>2</sub> power cycles have the advantages of high-energy efficiency and near-zero pollutant emissions. Thus, these cycles are considered as an efficient way to reduce CO<sub>2</sub> emissions while maintaining economic growth. The major drawbacks of this technology include the lack of validated levelized cost of electricity (LCOE) studies; lower turbine inlet temperatures studies to accommodate the integration of various energy sources; solutions for the thermodynamic imbalance of the regenerator; and investigating the dry- versus the wet-cooling methods. These drawbacks are addressed in this paper by presenting comprehensive thermoeconomic and optimization analyses for three direct oxy-fuel sCO<sub>2</sub> power cycles in wet and dry-cooling conditions. The first cycle M1 is a direct oxy-fuel sCO<sub>2</sub> power cycle without preheater, the second cycle M2 integrates a preheater in parallel with the low-temperature recuperator of M1 while the third cycle M3 integrates a preheater in parallel with the high and low-temperature recuperators of M1. Results show that the integration of the preheater improves the thermal efficiency of M2 by 5.81% (wet), and 3.27% (dry), and of M3 by 13.27% (wet), and 6.58% (dry). The LCOE of M1 (without preheater) is higher than that of M2 by 10.8% (wet), and 5.7% (dry), and of M3 by 19.1% (wet), and 11.4% (dry). A minimum LCOE of 4.667¢/kWh<sub>e</sub> is obtained for M3 (wet) and of 6.139¢/kWh<sub>e</sub> for M3 (dry). At higher waste heat source temperature of 700 °C, the overall efficiency is improved by an average of 11% and the LCOE is reduced by 1.43 ¢/kWh<sub>e</sub>.</p><h2>Other Information</h2><p dir="ltr">Published in: Energy Conversion and Management<br>License: <a href="http://creativecommons.org/licenses/by/4.0/" target="_blank">http://creativecommons.org/licenses/by/4.0/</a><br>See article on publisher's website: <a href="https://dx.doi.org/10.1016/j.enconman.2021.114607" target="_blank">https://dx.doi.org/10.1016/j.enconman.2021.114607</a></p>2021-10-01T00:00:00ZTextJournal contributioninfo:eu-repo/semantics/publishedVersiontextcontribution to journal10.1016/j.enconman.2021.114607https://figshare.com/articles/journal_contribution/Thermoeconomic_and_optimization_analyses_of_direct_oxy-combustion_supercritical_carbon_dioxide_power_cycles_with_dry_and_wet_cooling/24420451CC BY 4.0info:eu-repo/semantics/openAccessoai:figshare.com:article/244204512021-10-01T00:00:00Z |
| spellingShingle | Thermoeconomic and optimization analyses of direct oxy-combustion supercritical carbon dioxide power cycles with dry and wet cooling Ahmad K. Sleiti (14778229) Engineering Electrical engineering Environmental engineering Fluid mechanics and thermal engineering LCOE Multi-objective optimization Supercritical carbon dioxide sCO2 power cycle Direct oxy-combustion Thermoeconomic analysis |
| status_str | publishedVersion |
| title | Thermoeconomic and optimization analyses of direct oxy-combustion supercritical carbon dioxide power cycles with dry and wet cooling |
| title_full | Thermoeconomic and optimization analyses of direct oxy-combustion supercritical carbon dioxide power cycles with dry and wet cooling |
| title_fullStr | Thermoeconomic and optimization analyses of direct oxy-combustion supercritical carbon dioxide power cycles with dry and wet cooling |
| title_full_unstemmed | Thermoeconomic and optimization analyses of direct oxy-combustion supercritical carbon dioxide power cycles with dry and wet cooling |
| title_short | Thermoeconomic and optimization analyses of direct oxy-combustion supercritical carbon dioxide power cycles with dry and wet cooling |
| title_sort | Thermoeconomic and optimization analyses of direct oxy-combustion supercritical carbon dioxide power cycles with dry and wet cooling |
| topic | Engineering Electrical engineering Environmental engineering Fluid mechanics and thermal engineering LCOE Multi-objective optimization Supercritical carbon dioxide sCO2 power cycle Direct oxy-combustion Thermoeconomic analysis |