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Slag deposition and pressure oscillations in Ariane V boosters (plan)
1. The Ariane V launcher
1. The Ariane V launcher (2)
2. The A.S.S.M. Program (Aerodynamics of Solid Segmented Motors)
members and references of the ASSM program
3.1 Experimental measurements
3.2 Qualitative behavior of the flow in the Ariane V boosters at t=95s
Modelisation of pressure oscillations
3.3 Characteristic values of the flow in the Ariane V booster
4.1 Slag deposition: Euler/Lagrange simulations (Aérospatiale, SEP, Bertin, ONERA)
Particle tracking in a Lagrangian approach
Dispersion effects in the Lagrangian approach
Details of the Euler/Lagrange computations (t=95s)
A view of the results of the computation
4.2 Slag deposition: Euler/Euler simulation (SNPE)
4.2 Particle tracking in a Eulerian approach
Euler/Euler simulation: main observations
4.3 Comparison of the results
5.1 Pressure oscillations: Navier Stokes simulation (SNPE, ONERA, CERFACS)
5.2 Pressure oscillations: LES simulation (LEGI)
6. Conclusions