Estimated flow resistance increase in a spiral human coronary artery segment.
作者： L. H. Back , R. K. Banerjee
DOI: 10.1115/1.1319661
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摘要: Coronary flow estimates were made for a spiral coronary artery segment (identified from post-mortem replica casting) by using modified Dean number based on the approximate coil radius of curvature, as suggested earlier. The found to correlate experimental pressure drop data helical coiled tubes. Over physiological range mean Reynolds numbers 100 400 blood through main arteries, resistance increase relative straight lumen ranged about 20 80 percent, and similar magnitude those in study sinuous vessel with no spiral.
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