CALCULATION OF UNSTEADY FLOW IN A NETWORK OF ELASTIC TUBES WITH APPLICATION TO THE VASCULAR SYSTEM.

R. M. Nerem, E. Rooz, T. F. Wiesner

Research output: Contribution to conferencePaper

Abstract

Blood flow in the vascular system may be characterized as unsteady and passing through a network of tubes. The unsteadiness of the flow is due to the periodic output of the heart which serves as the pump. The model presented includes the effects of branching as well as non-linear elastic properties of the tube walls. Branches are included on a discrete basis where at each branch point a mass balance and two momentum balances are written, and these two equations, together with an additional equation, e. g. a lumped impedance for each branch, determine the flow conditions in the region of branching.

Original languageEnglish
Pages91-94
Number of pages4
StatePublished - 1985

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