نتایج جستجو برای: resistance to flow
تعداد نتایج: 10854285 فیلتر نتایج به سال:
Observations of blood flow in microvascular networks have shown that the resistance to blood flow is about twice that expected from studies using narrow glass tubes. The goal of the present study was to test the hypothesis that a macromolecular layer (glycocalyx) lining the endothelial surface contributes to blood flow resistance. Changes in flow resistance in microvascular networks of the rat ...
This study was designed to define more accurately the respective influences of perfusion pressure and flow on coronary resistance. Resistance in a coronary branch, perfused at constant flow, was reduced immediately following temporary perfusion arrest. Large epicardial arteries did not appear to take part in this reaction. In the first 10 to 15 seconds after flow was restored, resistance for th...
Despite the small number of leukocytes relative to erythrocytes in the circulation, leukocytes contribute significantly to organ blood flow resistance. The present study was designed to investigate whether interactions between leukocytes and erythrocytes affect the pressure-flow relationship in a hemodynamically isolated rat gracilis muscle. At constant arterial flow rate, arterial pressure was...
The present study proposes novel micro-jet impingement heat sink with effusion holes for flow extraction. The design consists of impingement nozzles surrounded by multiple effusion holes to take away the spent fluid. A three-dimensional numerical model is used for steady, incompressible, laminar flow and conjugate heat transfer for the performance analysis of the proposed design. The computatio...
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