BASIN TESTS AND NUMERICAL SIMULATIONS OF WAKE-INDUCED OSCILLATIONS OF IN-LINE RISERS IN SUBCRITICAL/CRITICAL REGIME

摘要

This paper adresses Wake Induced Oscillations in the transition between subcritical and critical regime. Both experimental and numerical approaches are proposed and compared here to model tandem risers motion. The main purpose is to enlarge our insights of the behavior of different arrangements of risers in this very tricky range of incoming flow (Re ∈ [134,000; 300,000]; and to assess the CFD ability as an industrial design tool.