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Fig. 2 | Fluids and Barriers of the CNS

Fig. 2

From: Pulsatile flow drivers in brain parenchyma and perivascular spaces: a resistance network model study

Fig. 2

One vessel model baseline results. a Fluid pressure produced by volumetric fluid sources IA1, IA2, and IA3 over the course of one period. See Fig. 1 for source labels. b PVS fluid velocity over the course of one period for each PVS resistor. See Fig. 1 for resistor labels. c Parenchyma peak fluid velocity with distance from the PVS outer radius. d PVS Peclet numbers for a range of physiologically relevant diffusivities. e Parenchyma Peclet numbers with radial distance from the PVS outer radius for a range of physiologically relevant diffusivities. Peclet numbers were computed with the distance between vessels as the characteristic length (Eq. 12) for all diffusivities except that marked (**) for which pore size was the characteristic length (Eq. 13)

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