Conference Proceedings Paper
Experimental Investigation on Steam Condensation in the Presence of Air and Helium: Forced Convection Conditions
NURETH-14 - 2011 September 25-30
Matteo Bucci (CEA Saclay)
Walter Ambrosini (Università di Pisa)
Nicola Forgione (Università di Pisa)
Donato Lioce (Westinghouse Electric Belgium)
This paper discusses the results obtained from recent experimental investigations devoted to the study of steam condensation in the presence of air and a light noncondensable gas. The experiments are intended to provide data for the validation of engineering models and CFD codes. The original experimental data herein discussed focus on forced convection turbulent boundary layer conditions and involve atmospheric pressure, different conditions for mixture velocity (from 1.5 to 3.5 m/s), mixture composition (form 0 to 75 per cent of the light species in the overall amount of noncondensable gases) and two nominal electrical power supply of the steam generator. The experimental data are qualified against correlations based on the heat and mass transfer analogy and to the predictions obtained by an in house condensation model implemented in a commercial CFD code.
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