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- W1566389204 abstract "The reduction of hydraulic force on a rotary VAD impeller is paramount for conserving power and minimizing impeller touchdown in systems employing magnetic suspension techniques. The objective of this research was to record the static hydraulic force experienced by a centrifugal LVAD impeller in a mock circulation loop reproducing various levels of heart failure. A closed type impeller exhibited a lower axial hydraulic force than a semi-open type at non-pulsatile design flow conditions of 5L/min at 100mmHg. A single volute demonstrated the lowest radial hydraulic force at these conditions followed by the double volute and circular volute. These forces were then found to fluctuate in the pulsatile environment, between values determined by non-pulsatile force results. The experimentally measured results aid the selection of a suitable impeller/volute configuration to minimize both impeller touchdown and power requirements of magnetic bearing systems in a pulsatile system." @default.
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- W1566389204 date "2006-01-01" @default.
- W1566389204 modified "2023-09-23" @default.
- W1566389204 title "LVAD impeller/volute design to minimise magnetic bearing touchdown and power" @default.
- W1566389204 hasPublicationYear "2006" @default.
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