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International Heat Transfer Conference 12

ISSN: 2377-424X (online)
ISSN: 2377-4371 (flashdrive)

Analysis of experimental results of n-pentane and propane boiling across a horizontal tube bundle

Laurent Aprin
Laboratoire LGEI, Génie de l'Environnement Industriel, Ecole des Mines d'Alès, France

P. Mercier
Laboratoire GREThE, Commissariat à l'Energie Atomique de Grenoble, France

Lounes Tadrist
Aix-Marseille Universite, CNRS, Laboratoire IUSTI, UMR 7343, Marseille 13453, France


This paper deals with the heat transfer characteristics of flow boiling of pure hydrocarbons (n-pentane and propane) across an horizontal tube bundle. An optical probe is used to measure the void fraction and to evaluate the local flow pattern. The drift-flux model developed by Zuber and Findlay is used to adjust the void fraction experimental results. Moreover the analysis of external heat transfer coefficient in propane and n-pentane at different pressure levels shows two different behaviours.

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