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Quantification of the impact of embedded graphite nanofibers on the transient thermal response of paraffin phase change material exposed to high heat fluxes / Kireeti Chintakrinda in Journal of heat transfer, Vol. 134 N° 7 (Juillet 2012) 

Public ISBD [article]  in Journal of heat transfer > Vol. 134 N° 7 (Juillet 2012) . - 10 p. Titre : Quantification of the impact of embedded graphite nanofibers on the transient thermal response of paraffin phase change material exposed to high heat fluxes Type de document : texte imprimé Auteurs : Kireeti Chintakrinda, Auteur ; Ronald J. Warzoha, Auteur ; Randy D. Weinstein, Auteur Année de publication : 2012 Article en page(s) : 10 p. Note générale : heat transfer Langues : Anglais (eng) Mots-clés : melting  and  solidifaction;  electronics  cooling Index. décimale : 536 Chaleur. Thermodynamique Résumé : Paraffin phase change material (PCM) is enhanced with suspended graphite nanofibers at high loading levels. The loading levels reach in excess of 10% by weight. The thermal effects of the nanofiber loading level, the PCM module design, and the applied power density on the transient thermal response of the system are examined. A strong effect of nanofiber loading level on thermal performance is found, including a suppression of Rayleigh-Benard convection currents at high loading levels. Increases in nanofiber loading level also result in lowered heating rates and greater thermal control of the heated base. Increases in power density are found to result in higher heating rates, and increases in mass lead to lower operating temperatures. The design of the module is found to have a strong effect on thermal performance. DEWEY : 536 ISSN : 0022-1481 En ligne : http://asmedl.org/getabs/servlet/GetabsServlet?prog=normal&id=JHTRAO000134000007 [...] [article] Quantification of the impact of embedded graphite nanofibers on the transient thermal response of paraffin phase change material exposed to high heat fluxes [texte imprimé] / Kireeti Chintakrinda, Auteur ; Ronald J. Warzoha, Auteur ; Randy D. Weinstein, Auteur . - 2012 . - 10 p. heat transfer Langues : Anglais (eng) in Journal of heat transfer > Vol. 134 N° 7 (Juillet 2012) . - 10 p. Mots-clés : melting  and  solidifaction;  electronics  cooling Index. décimale : 536 Chaleur. Thermodynamique Résumé : Paraffin phase change material (PCM) is enhanced with suspended graphite nanofibers at high loading levels. The loading levels reach in excess of 10% by weight. The thermal effects of the nanofiber loading level, the PCM module design, and the applied power density on the transient thermal response of the system are examined. A strong effect of nanofiber loading level on thermal performance is found, including a suppression of Rayleigh-Benard convection currents at high loading levels. Increases in nanofiber loading level also result in lowered heating rates and greater thermal control of the heated base. Increases in power density are found to result in higher heating rates, and increases in mass lead to lower operating temperatures. The design of the module is found to have a strong effect on thermal performance. DEWEY : 536 ISSN : 0022-1481 En ligne : http://asmedl.org/getabs/servlet/GetabsServlet?prog=normal&id=JHTRAO000134000007 [...]