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Flow boiling in straight heated tubes under microgravity conditions

Narcy, Marine and De Malmazet, Erik and Colin, Catherine Flow boiling in straight heated tubes under microgravity conditions. (2013) In: 8th International Conference on Multiphase Flow - ICMF 2013, 26 May 2013 - 31 May 2013 (Jeju, Korea, Republic Of).

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Abstract

Forced convective boiling experiments with HFE-7000 were conducted in earth gravity and under microgravity conditions. The experiment mainly consists in the study of a boiling flow (liquid-vapour flow) through a 6 mm diameter sapphire tube uniformly heated by an ITO coating. Measurements of pressure drops (on an adiabatic section), void fraction and wall and liquid temperatures are provided. High-speed movies of the flow are also taken. The data were collected in normal gravity and during a series of parabolic trajectories flown in an airplane. Flow visualizations, temperature, pressure and void fraction measurements are analysed to obtain flow pattern, heat transfer, film thickness and wall friction data.

Item Type:Conference or Workshop Item (Speech)
HAL Id:hal-00917818
Audience (conference):International conference proceedings
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
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Deposited On:12 Dec 2013 14:04

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