Autor segons l'article: Porter J; Laverón-Simavilla A; Bou-Ali MM; Ruiz X; Gavalda F; Ezquerro JM; Salgado Sánchez P; Martínez U; Gligor D; Tinao I; Gómez J; Fernández J; Rodríguez J; Borshchak Kachalov A; Lapuerta V; Seta B; Massons J; Dubert D; Sanjuan A; Shevtsova V; García-Fernández L
Departament: Química Física i Inorgànica
Autor/s de la URV: Dubert, Diana Cristina / Masons Bosch, Jaime / Ruiz Plazas, Xavier
Paraules clau: Thermocapillary effect Thermal-energy storage Thermal control Phase change materials Microgravity thermocapillary effect thermocapillary convection thermal control steady reduction phase change materials performance number nepcm metal flow enhancement
Resum: Present as well as future challenges of space exploration point to the need for improved thermal control systems. The “Effect of Marangoni Convection on Heat Transfer in Phase Change Materials” experiment, which is approved by ESA for execution on board the International Space Station, aims to contribute directly to current knowledge and basic understanding of heat and mass transport in phase change materials (PCMs) that incorporate a free surface in reduced gravity. The experiment will apply fixed temperatures to opposite ends of PCM samples held in cuboidal and cylindrical containers in order to drive controlled melting and solidification cycles that will be observed by means of optical cameras. The recorded images will be complemented by thermal measurements at key positions along the samples, which will allow different thermocapillary flow regimes to be distinguished according to their temporal dynamics. It is anticipated that thermal Marangoni (thermocapillary) convection will increase the heat transfer rate in these PCM devices by a significant factor (on the order of two or more) compared to melting governed by thermal diffusion (conduction). If the PCM designs prove robust, the experiment results can be expected to lead to substantial improvements in future designs for passive PCM applications in space missions.
Àrees temàtiques: Interdisciplinar Geociências Engineering, aerospace Engenharias iv Engenharias iii Engenharias ii Ciência da computação Astronomia / física Aerospace engineering & technology Aerospace engineering
Accès a la llicència d'ús: https://creativecommons.org/licenses/by/3.0/es/
Adreça de correu electrònic de l'autor: xavier.ruiz@urv.cat dianacristina.dubert@urv.cat jaume.masons@urv.cat
Identificador de l'autor: 0000-0002-7308-5872 0000-0003-4325-6084
Data d'alta del registre: 2024-06-15
Versió de l'article dipositat: info:eu-repo/semantics/publishedVersion
Enllaç font original: https://www.sciencedirect.com/science/article/pii/S0094576523002679
URL Document de llicència: http://repositori.urv.cat/ca/proteccio-de-dades/
Referència a l'article segons font original: Acta Astronautica. 210 212-223
Referència de l'ítem segons les normes APA: Porter J; Laverón-Simavilla A; Bou-Ali MM; Ruiz X; Gavalda F; Ezquerro JM; Salgado Sánchez P; Martínez U; Gligor D; Tinao I; Gómez J; Fernández J; Rod (2023). The “Effect of Marangoni Convection on Heat Transfer in Phase Change Materials” experiment. Acta Astronautica, 210(), 212-223. DOI: 10.1016/j.actaastro.2023.05.026
DOI de l'article: 10.1016/j.actaastro.2023.05.026
Entitat: Universitat Rovira i Virgili
Any de publicació de la revista: 2023
Tipus de publicació: Journal Publications
Repositori URV