Partager

Document IIF

Conductivité thermique des mousses en polyuréthane souples à basse température.

The thermal conductivity of flexible polyurethane foams at low temperature.

Auteurs : ZHANG J., JI Y., WANG Y.

Résumé

The thermal transfer mechanism of flexible polyurethane (PU) foams at low temperature has been discussed. According to the structural model diagram of flexible PU foam, the criterion L of convection can be calculated when parameters and influences are considered at low temperature. The thermal conductivity of the flexible PU foam at low temperature can be calculated, too. In order to compare with the calculated thermal conductivity, the thermal conductivity of the flexible PU foam at low temperature has been tested by means of the double-sample of guarded hot-plate apparatus in steady thermal flow which is usually used to test the thermal conductivity of the rigid PU foam. Finally, the curve between temperature and thermal conductivity at low temperature has been obtained. Furthermore, according to the test, the factors (such as temperature, density, water absorption etc.) which may change or influence the thermal conductivity have been discussed.

Documents disponibles

Format PDF

Pages : ICR07-A1-1231

Disponible

  • Prix public

    20 €

  • Prix membre*

    Gratuit

* meilleur tarif applicable selon le type d'adhésion (voir le détail des avantages des adhésions individuelles et collectives)

Détails

  • Titre original : The thermal conductivity of flexible polyurethane foams at low temperature.
  • Identifiant de la fiche : 2007-2540
  • Langues : Anglais
  • Source : ICR 2007. Refrigeration Creates the Future. Proceedings of the 22nd IIR International Congress of Refrigeration.
  • Date d'édition : 21/08/2007

Liens


Voir d'autres communications du même compte rendu (839)
Voir le compte rendu de la conférence

Indexation