Thermal conductivity of cementitious composites containing microencapsulated phase change materials
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- 作者：Alex Ricklefsa ; Alexander M. Thielea ; Gabriel Falzoneb ; Gaurav Santb ; c ; Laurent Pilona ; pilon@seas.ucla.edu" class="auth_mail" title="E-mail the corresponding author
- 关键词：Thermal conductivity ; Phase change materials ; Microencapsulated ; Cement ; Mortar ; Core&ndash ; shell&ndash ; matrix composites
- 刊名：International Journal of Heat and Mass Transfer
- 出版年：2017
- 出版时间：January 2017
- 年：2017
- 卷：104
- 期：Complete
- 页码：71-82
- 全文大小：1576 K
文摘
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The thermal conductivity of cementitious composites was measured between 10 and 50 °C.
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Cement paste and cement mortar embedded with microencapsulated PCM were considered.
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The thermal conductivity was independent of temperature despite the phase change.
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Adding PCM microcapsules to cementitious materials reduced their conductivity.
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The Felske model for three-component composites agreed well with measurements.