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2.9. Flow Rate (FR)

HL Hai-Bin Liu
WY Wen-Xue Yuan
QW Qing-Yong Wang
YW Yan-Xia Wang
HC Hou-Wen Cao
JX Jian Xu
KQ Kai-Rong Qin
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The FR was calculated for

where R0 is the time-averaged value of the carotid artery radius during one cardiac cycle, y = r/R0, in which r is the radial coordinate, and u(y) meets [28]

where n is the harmonic number, J0 is the 0th-order Bessel function of the first kind, j=-1, αn=R0ρωn/η is the Womersley number, ρ is the density of blood, η is the blood viscosity, ωn = 2nπf is the angular frequency, f is the base frequency, and u(0, ωn) is the n harmonic component of the measured center-line velocities and satisfies

In addition, Qmax, Qmin, and Qmean are the maximal, minimal, and mean blood flow FR during one cardiac cycle.

Copyright and License information:  ©2018 Hai-Bin Liu et al.
This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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