Experimental Investigation and Modelling of Interfacial Area in Horizontal Bubbly Flow
This work is part of the NEPTUNE project developed jointly by EDF, CEA, AREVA NP and IRSN. In this framework, a new generation of simulation tools is developed and validated for nuclear power plants thermal-hydraulics including the new system code CATHARE-3. Among its new capabilities, it provides a multi-field model and supplementary transport equations for interfacial area and turbulence for both phases. In parallel, several experiments have been designed to obtain data for the development and validation of new physical models. In this project, METERO is an experiment designed by CEA to study horizontal two-phase flows. More precisely, this experiment aims at providing data on the transition from bubbly to stratified flows. The horizontal test section, equipped with measurement and visualisation techniques, allows the exploration of different water/air flow regimes (including bubbly, stratified and intermittent flow): optical probes for measuring gas phase characteristics (void fraction, bubbles velocity, interfacial area, mean bubble diameter…) and fast video camera for flow visualizations. Several series of experiments have been carried out on the METERO experiment. They were performed to investigate two phase bubbly flows. Among various quantities measured, interfacial area was used to develop and validate a relaxation model for interfacial area transport equation.
Horizontal pipe bubbly flow experiment interfacial area modelling
M. Bottin M. Marchand J.P. Berlandis E. Hervieu F. Gateau G. Serre
Service d’Etudes Thermohydrauliques et Technologiques CEA, 17 rue des Martyrs, 38054, Grenoble Cedex Service de Simulation ThermoHydraulique CEA, 17 rue des Martyrs, 38054, Grenoble Cedex 9, France
国际会议
上海
英文
1848-1858
2010-10-10（万方平台首次上网日期，不代表论文的发表时间）