Oscillatory Flow in Arteries. II: The Reflection of the Pulse Wave at Junctions and Rigid Inserts in the Arterial System

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Abstract
An analysis is made of the production of reflected waves at the bifurcation of a "tethered and loaded" elastic tube, and calculations are presented giving the complex reflection coefficient as a function of the area-ratio of the branches to the parent tube. These calculations are used in an assessment of the contributions of major arterial divisions to the total reflection within the arterial system, and in a discussion of the influence of the insertion of rigid cannulae into arteries, as is required in some methods of measuring pulsatile blood-flow.