View factors of samples tested in cone and cylinder calorimeters / Marcos J. A. Gemaque in Journal of heat transfer, Vol 134 N° 9 (Septembre 2012)  

Public ISBD [article]  inJournal of heat transfer > Vol 134 N° 9 (Septembre 2012) . - 05 p. Titre : View factors of samples tested in cone and cylinder calorimeters Type de document : texte imprimé Auteurs : Marcos J. A. Gemaque, Auteur ; Fernando S. Costa, Auteur Année de publication : 2012 Article en page(s) : 05 p. Note générale : heat transfer Langues : Anglais (eng) Mots-clés : cone calorimeter  view factor distribution  total Index. décimale : 536 Chaleur. Thermodynamique Résumé : Cone and cylinder calorimeters are devices used to determine flammability characteristics of solid materials under prescribed heat inputs. Temperature and heat input distribution on the exposed surface of a specimen in a calorimeter can be affected by variations of position or size of the specimen. This work analyzes the thermal radiation view factors of slabs and cylinders tested in cone and cylinder calorimeters, respectively. Blackbody radiation thermal interchange is assumed and reflections of neighbor objects are not considered. Uniformity of view factor distributions and total view factors are compared for slabs and cylinders tested in calorimeters, considering positioning and size variations. DEWEY : 536 ISSN : 0022-1481 En ligne : http://asmedl.org/getabs/servlet/GetabsServlet?prog=normal&id=JHTRAO000134000009 [...] [article] View factors of samples tested in cone and cylinder calorimeters [texte imprimé] / Marcos J. A. Gemaque, Auteur ; Fernando S. Costa, Auteur . - 2012 . - 05 p. heat transfer Langues : Anglais (eng) in Journal of heat transfer > Vol 134 N° 9 (Septembre 2012) . - 05 p. Mots-clés : cone calorimeter  view factor distribution  total Index. décimale : 536 Chaleur. Thermodynamique Résumé : Cone and cylinder calorimeters are devices used to determine flammability characteristics of solid materials under prescribed heat inputs. Temperature and heat input distribution on the exposed surface of a specimen in a calorimeter can be affected by variations of position or size of the specimen. This work analyzes the thermal radiation view factors of slabs and cylinders tested in cone and cylinder calorimeters, respectively. Blackbody radiation thermal interchange is assumed and reflections of neighbor objects are not considered. Uniformity of view factor distributions and total view factors are compared for slabs and cylinders tested in calorimeters, considering positioning and size variations. DEWEY : 536 ISSN : 0022-1481 En ligne : http://asmedl.org/getabs/servlet/GetabsServlet?prog=normal&id=JHTRAO000134000009 [...]

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