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Matadial Ojha, PhD. , C. Ross Ethier, PhD. #, K

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Presentation on theme: "Matadial Ojha, PhD. , C. Ross Ethier, PhD. #, K"— Presentation transcript:

1 Steady and pulsatile flow fields in an end-to-side arterial anastomosis model 
Matadial Ojha, PhD *, C.Ross Ethier, PhD *#, K.Wayne Johnston, MD, FRCS(C) *‡, Richard S.C. Cobbold, PhD *  Journal of Vascular Surgery  Volume 12, Issue 6, Pages (December 1990) DOI: /mva Copyright © 1990 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

2 Fig. 1 Flow visualization optical arrangement and definition of terminology: (a) X-Z plane. (b) Y-Z plane with flow from graft coming out of the figure. Journal of Vascular Surgery  , DOI: ( /mva ) Copyright © 1990 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

3 Fig. 2 Steady flow fields at the indicated Reynolds numbers in (a) the x-z plane, and (b) the y-z plane. The normalized distance from the toe of the junction is specified by Z, and the arrows indicate specific flow structures as described in the text. Journal of Vascular Surgery  , DOI: ( /mva ) Copyright © 1990 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

4 Fig. 3 Three-dimensional sketch of the pathline of the high inertia fluid seen under steady flow conditions at Re = 950 and 1300, as well as for unsteady flow at around peak flow: (a) side view, showing development of the double helix; (b) top view. Journal of Vascular Surgery  , DOI: ( /mva ) Copyright © 1990 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

5 Fig. 4 Pulsatile flow fields at the indicated times in the flow cycle for (a) the x-z plane, and (b) the y-z plane. Journal of Vascular Surgery  , DOI: ( /mva ) Copyright © 1990 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

6 Fig. 5 a, Flow waveform. b, Predicted wall shear stress in the graft section. Axial component of the wall shear stress measured at (c) Z = 0.6 and (d) Z = −0.9. Journal of Vascular Surgery  , DOI: ( /mva ) Copyright © 1990 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions


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