Flow pumping system for physiological waveforms |
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Authors: | William Tsai Ömer Sava? |
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Institution: | (1) Department of Mechanical Engineering, University of California, Berkeley, Berkeley CA, 94720, USA |
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Abstract: | A pulsatile flow pumping system is developed to replicate flow waveforms with reasonable accuracy for experiments simulating
physiological blood flows at numerous points in the body. The system divides the task of flow waveform generation between
two pumps: a gear pump generates the mean component and a piston pump generates the oscillatory component. The system is driven
by two programmable servo controllers. The frequency response of the system is used to characterize its operation. The system
has been successfully tested in vascular flow experiments where sinusoidal, carotid, and coronary flow waveforms are replicated. |
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