Simulation d'écoulements de gaz denses en turbines

Specific dense gases, so-called BZT gases, display non-classical properties when flowing in the transonic regime. These properties can be exploited to achieve high levels of efficiency when using such gases as working fluids in Organic Rankine Cycle-based turbines. The complexity of setting up experimental studies for such dense gas flows motivates the development of efficient numerical tools. A turbulent (RANS) code is applied to the simulation and analysis of the flow of a BZT fluid in a turbine for a range of thermodynamic conditions. Mots-clefs : simulation d’ecoulement compressible, gaz denses, regime turbulent