| dc.contributor.author | Espinel Blanco, Edwin | |
| dc.contributor.author | Valencia Ochoa, Guillermo Eliécer | |
| dc.contributor.author | Duarte Forero, Jorge | |
| dc.coverage.spatial | Colombia | en_US |
| dc.date.accessioned | 2025-11-19T16:17:58Z | |
| dc.date.available | 2025-11-19T16:17:58Z | |
| dc.date.issued | 2020-05-04 | |
| dc.identifier.issn | 1996-1073 | en_US |
| dc.identifier.uri | https://repositorioinstitucional.ufpso.edu.co/xmlui/handle/20.500.14167/6087 | |
| dc.description.abstract | En este artículo se llevó a cabo una evaluación termodinámica, exergética y de impacto ambiental
de un ciclo Brayton S-CO2 acoplado a un ciclo Rankine orgánico (ORC) como ciclo de fondo
para evaluar los parámetros de rendimiento y los posibles impactos ambientales del sistema combinado.
Las variables de rendimiento estudiadas fueron la potencia neta, la eficiencia térmica y exergética, y el
consumo específico de combustible (BSFC) en función de la variación de la temperatura de entrada de la turbina (TIT) y la alta presión (PHIGH), parámetros operativos relevantes del ciclo Brayton S-CO2. Los resultados mostraron que la turbina principal (T1) y la turbina secundaria (T2) del ciclo Brayton S-CO2
presentaron eficiencias exergéticas más altas (97%) y un mejor comportamiento térmico y exergético en comparación con los demás componentes del sistema. En cuanto a la destrucción de exergía, se observó que los intercambiadores de calor del sistema presentaban la mayor destrucción de exergía como consecuencia de la gran diferencia de temperatura media entre el dióxido de carbono, el aceite térmico y el fluido orgánico, y por lo tanto, este equipo presenta las mayores irreversibilidades de transferencia de calor del sistema. Asimismo, mediante el análisis del ciclo de vida, se evaluó el impacto ambiental potencial del sistema para proponer un diseño térmico acorde con los objetivos de desarrollo sostenible. Por consiguiente, se obtuvo que T1 era el componente con un impacto ambiental más significativo, con un valor máximo de 4416 Pts cuando se selecciona el cobre como material del equipo. | en_US |
| dc.language.iso | eng | en_US |
| dc.relation | https://www.mdpi.com/1996-1073/13/9/2259 | en_US |
| dc.title | Evaluación del impacto termodinámico, exergético y ambiental del ciclo Brayton S-CO2 acoplado con ORC como ciclo de fondo | en_US |
| dc.title.translated | Thermodynamic, Exergy and Environmental Impact Assessment of S-CO2 Brayton Cycle Coupled with ORC as Bottoming Cycle | en_US |
| dc.contributor.cvlac | Edwin Espinel Blanco [0001200917] | en_US |
| dc.contributor.cvlac | Guillermo Eliécer Valencia Ochoa [0001129635] | en_US |
| dc.contributor.cvlac | Jorge Duarte Forero [0001478424] | en_US |
| dc.contributor.googlescholar | Edwin Espinel Blanco [3ODKG4cAAAAJ] | en_US |
| dc.contributor.googlescholar | Guillermo Eliécer Valencia Ochoa [Gu-McaYAAAAJ] | en_US |
| dc.contributor.googlescholar | Jorge Duarte Forero [51nyiJoAAAAJ] | en_US |
| dc.contributor.orcid | Edwin Espinel Blanco [0000-0003-4479-2874] | en_US |
| dc.contributor.orcid | Guillermo Eliécer Valencia Ochoa [0000-0001-5437-1964] | en_US |
| dc.contributor.orcid | Jorge Duarte Forero [0000-0001-7345-9590] | en_US |
| dc.contributor.scopus | Edwin Espinel Blanco [57209774810] | en_US |
| dc.contributor.scopus | Jorge Duarte Forero [55804011500] | en_US |
| dc.description.abstractenglish | In this article, a thermodynamic, exergy, and environmental impact assessment was carried
out on a Brayton S-CO2 cycle coupled with an organic Rankine cycle (ORC) as a bottoming cycle
to evaluate performance parameters and potential environmental impacts of the combined system.
The performance variables studied were the net power, thermal and exergetic efficiency, and the
brake-specific fuel consumption (BSFC) as a function of the variation in turbine inlet temperature (TIT)
and high pressure (PHIGH), which are relevant operation parameters from the Brayton S-CO2 cycle.
The results showed that the main turbine (T1) and secondary turbine (T2) of the Brayton S-CO2 cycle
presented higher exergetic efficiencies (97%), and a better thermal and exergetic behavior compared
to the other components of the System. Concerning exergy destruction, it was found that the heat
exchangers of the system presented the highest exergy destruction as a consequence of the large
mean temperature difference between the carbon dioxide, thermal oil, and organic fluid, and thus
this equipment presents the greatest heat transfer irreversibilities of the system. Also, through the
Life Cycle Analysis, the potential environmental impact of the system was evaluated to propose a
thermal design according to the sustainable development goals. Therefore, it was obtained that T1
was the component with a more significant environmental impact, with a maximum value of 4416 Pts
when copper is selected as the equipment material. | en_US |
| dc.subject.proposal | Brayton | en_US |
| dc.subject.proposal | Impacto ambiental | en_US |
| dc.subject.proposal | Exergía | en_US |
| dc.subject.proposal | Análisis del ciclo de vida | en_US |
| dc.subject.proposal | ORC | en_US |
| dc.subject.proposal | Parámetros de rendimiento | en_US |
| dc.subject.keywords | Brayton | en_US |
| dc.subject.keywords | environmental impact | en_US |
| dc.subject.keywords | exergy | en_US |
| dc.subject.keywords | life cycle analysis | en_US |
| dc.subject.keywords | ORC | en_US |
| dc.subject.keywords | performance parameters | en_US |
| dc.publisher.faculty | Facultad ingenierías | en_US |
| dc.type.redcol | http://purl.org/redcol/resource_type/ART | en_US |
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| dc.identifier.DOI | https://doi.org/10.3390/en13092259 | en_US |
