UNSTEADY FLOW IN A 3D CENTRALLY-ACTUATED TYPE ARTIFICIAL HEART

2007 ◽  
Vol 18 (05) ◽  
pp. 783-793
Author(s):  
X. L. YANG ◽  
Y. LIU ◽  
J. M. YANG

The unsteady flow within a simplified 3D centrally-actuated type artificial heart was investigated numerically using moving boundary technique. The velocities on the inlet and outlet were determined according to the motion of the diaphragm. The case with heart beat rate of 75 beats per minute (bpm) was simulated. Two models were studied. It is found that, in the diastolic cycle, a vortex ring forms in the conjunction of the blood chamber and the inlet tube. This vortex ring can provide good wash-out on the wall.

2020 ◽  
Vol 53 (2) ◽  
pp. 16457-16461
Author(s):  
Mohammad Mostafa Asheghan ◽  
Bahram Shafai ◽  
Joaquín Míguez

Author(s):  
F. LO CASTRO ◽  
A. D'AMICO ◽  
C. FALCONI ◽  
C. DI NATALE
Keyword(s):  

1983 ◽  
Vol 17 (3) ◽  
pp. 257-259
Author(s):  
E. J. B. Downing ◽  
R. J. Meddins
Keyword(s):  

1983 ◽  
Vol 17 (10) ◽  
pp. 1245-1248 ◽  
Author(s):  
Mátyás Présing ◽  
Mihály Véró

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