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Velocity fields within the outlet diffuser at 1500 rpm and 2.5 L/min. Panel (b) corresponds to the velocity field at steady state condition; panels (a) and (c) show pulsatile flow corresponding to line (a) and (c) in Fig. 3 with the same instantaneous flow as (b), but with flow acceleration of +35 and −35 L/(min·s), respectively.
