Advanced thermodynamic cycles for finite heat sources: proposals for closed and open heat sources applications

Rovira, Antonio, Muñoz Domínguez, Marta, Sánchez, Consuelo y Barbero, Rubén . (2020) Advanced thermodynamic cycles for finite heat sources: proposals for closed and open heat sources applications. Applied Thermal Engineering 167 (2020). 114805.

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Título Advanced thermodynamic cycles for finite heat sources: proposals for closed and open heat sources applications
Autor(es) Rovira, Antonio
Muñoz Domínguez, Marta
Sánchez, Consuelo
Barbero, Rubén
Materia(s) Ingeniería Industrial
Abstract This paper analyses two non-conventional thermodynamic cycles designed to work with finite heat sources, which are suitable for maximum temperatures of about 400 °C. The Hybrid Rankine-Brayton (HRB) cycle fits well to closed heat sources and, in the paper, it is analysed considering its exergy efficiency and some requirements for the maximum and minimum temperature of the heat transfer fluid that feeds the cycle, obtaining promising results. The other one is a new proposal called Recuperated and Double Expanded (RDE) cycle, aimed to translate the good features of HRB from closed heat sources to open ones, where the performance of HRB is limited. Both cycles are compared to some reference ones. Results show that the HRB cycle is a good candidate for finite closed heat sources, particularly with maximum temperature around 400 °C and with temperature changes of the heat transfer fluid from 100 °C to 150 °C. The RDE cycle exhibits good performance for finite open heat sources with maximum temperatures between 200 °C and 400 °C, and it behaves similarly to tri-lateral cycles.
Palabras clave Finite heat source
Brayton cycle
Rankine cycle
Trilateral cycle
Recompression cycle
Advanced thermodynamic cycles
Editor(es) Elsevier
Fecha 2020
Formato application/pdf
Identificador bibliuned:DptoIE-ETSI-Articulos-Mmunoz-0002
http://e-spacio.uned.es/fez/view/bibliuned:DptoIE-ETSI-Articulos-Mmunoz-0002
DOI - identifier https://doi.org/10.1016/j.applthermaleng.2019.114805
ISSN - identifier 1359-4311 - eISSN 1873-5606
Nombre de la revista Applied Thermal Engineering
Número de Volumen 167
Publicado en la Revista Applied Thermal Engineering 167 (2020). 114805.
Idioma eng
Versión de la publicación publishedVersion
Tipo de recurso Article
Derechos de acceso y licencia http://creativecommons.org/licenses/by-nc-nd/4.0
info:eu-repo/semantics/openAccess
Notas adicionales The registered version of this article, first published in Applied Thermal Engineering, is available online at the publisher's website: https://doi.org/10.1016/j.applthermaleng.2019.114805
Notas adicionales La versión registrada de este artículo, publicado por primera vez en Applied Thermal Engineering, está disponible en línea en el sitio web del editor: https://doi.org/10.1016/j.applthermaleng.2019.114805

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Creado: Fri, 02 Feb 2024, 05:23:57 CET