Supercritical CO2 as heat transfer fluid: A review

This paper presents a comprehensive review of all correlations and experimental studies available in the literature to determine the heat transfer coefficient of supercritical CO2 flowing in heat exchangers. The different applications in which it is used are also reviewed and discussed. The correlat...

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Detalles Bibliográficos
Autores: Cabeza, Luisa F., Gracia Cuesta, Alvaro de, Fernández Renna, Ana Inés, Farid, Mohammed M.
Tipo de recurso: artículo
Estado:Versión aceptada para publicación
Fecha de publicación:2017
País:España
Institución:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
Repositorio:Recercat. Dipósit de la Recerca de Catalunya
OAI Identifier:oai:recercat.cat:10459.1/60022
Acceso en línea:https://doi.org/10.1016/j.applthermaleng.2017.07.049
http://hdl.handle.net/10459.1/60022
Access Level:acceso abierto
Palabra clave:Supercritical CO2
Heat transfer fluid
Heat exchanger
Empirical correlation
Cooling
Descripción
Sumario:This paper presents a comprehensive review of all correlations and experimental studies available in the literature to determine the heat transfer coefficient of supercritical CO2 flowing in heat exchangers. The different applications in which it is used are also reviewed and discussed. The correlations obtained from extensive experimental measurements are presented for different geometries (horizontal, vertical and inclined tubes, closed-loop circular pipes, and mini-channels) and dimensions. The review shows that there is a lack of a unique universal correlation for each geometry, suggesting the need for more work in this area.