The "Effect of Marangoni Convection on Heat Transfer in Phase Change Materials"experiment

被引：25

作者：

Porter, J. ^{[1
]}

Laveron-Simavilla, A. ^{[1
]}

Bou-Ali, M. M. ^{[2
]}

Ruiz, X. ^{[3
]}

Gavalda, F. ^{[3
]}

Ezquerro, J. M. ^{[1
]}

Sanchez, P. Salgado ^{[1
]}

Martinez, U. ^{[1
]}

Gligor, D. ^{[1
]}

Tinao, I. ^{[1
]}

Gomez, J. ^{[1
]}

Fernandez, J. ^{[1
]}

Rodriguez, J. ^{[1
]}

Kachalov, A. Borshchak ^{[1
]}

Lapuerta, V ^{[1
]}

Seta, B. ^{[4
]}

Massons, J. ^{[3
]}

Dubert, D. ^{[3
]}

Sanjuan, A. ^{[2
]}

Shevtsova, V ^{[2
,5
]}

Garcia-Fernandez, L. ^{[6
]}

机构：

[1] Univ Politecn Madrid, Escuela Tecn Super Ingn Aeronaut & Espacio, Ctr Computat Simulat, E USOC, Madrid, Spain

[2] Mondragon Univ, Mech & Mfg Dept, Arrasate Mondragon, Spain

[3] Univ Rovira & Virgili, Fac Quim, Tarragona, Spain

[4] Tech Univ Denmark, Dept Mech Engn, Lyngby, Denmark

[5] IKERBASQUE, Basque Fdn Sci, Bilbao, Spain

[6] Univ Complutense Madrid, Fac Ciencias Fis, Dept Estruct Mat Fis Term & Elect, Madrid, Spain

来源：

ACTA ASTRONAUTICA | 2023年 / 210卷

关键词：

Microgravity; Phase change materials; Thermocapillary effect; Thermal control; THERMAL-ENERGY STORAGE; THERMOCAPILLARY CONVECTION; ENHANCEMENT; PERFORMANCE; FLOW; REDUCTION; STEADY; NUMBER; NEPCM; METAL;

D O I：

10.1016/j.actaastro.2023.05.026

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

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.

引用

页码：212 / 223

页数：12

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