Abstract
It is well known from literature that under certain conditions the steady state transport of oxygen in flowing blood can be described relatively simple when a sharp boundary (advancing front) is assumed between oxygenated and unoxygenated blood (4). Advancing Front (A F) theories have been used to predict oxygen transfer rates in membrane oxygenators (e.g. 2,5). Advancing Front models presented in literature (2,3,4,5,6) have been derived for specific geometries of the flow channel and well defined velocity profiles. A general A F theory would be useful to predict oxygen transport performance for the variety of flow geometries and flow conditions encountered in experimental studies with membrane oxygenators and to analyse the data of existing oxygenators. In this work a general A F theory is presented.
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