the last 2 sentences: it's difficult to understand this without knowing the UNH-RVAT. Suggest to add a discussion on the similarity & differences between RVAT and RM2 dimensions, testing, and add the mean velocity plot for RVAT side-by-side with the one for RM2. Need more details on how you see the effects of vortex shedding are weaker.
From @bgunawan around line 604 of the tex file: