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Prediction of the unsteady turbulent flow in an axial compressor stage. Part 2: Analysis of unsteady RANS and LES data

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Academic year: 2021

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Figure 1: Time-averaged flow field shaded with entropy S at nominal operating conditions, at h/H = 80%: (a) LES and (b) URANS
Figure 2: Time-averaged skin friction coefficient, C f = 2.τ wall /ρ(ωR) 2 tip , from LES data at mid-span (h/H = 50%): a) rotor blade and b) stator vane.
Figure 3: Instantaneous flow field shaded with entropy S at rotor/stator interface (x = 75 mm): (a) LES and (b) URANS
Figure 4: Instantaneous flow field shaded with entropy S downstream the stator (x = 194 mm): (a) LES and (b) URANS
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