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http://dx.doi.org/10.6112/kscfe.2016.21.1.103

DESIGN OF A CENTRIFUGAL BLOOD PUMP FOR ECMO DEVICE THROUGH NUMERICAL ANALYSES  

Choi, S. (Dept. of Mechanical Engineering, Graduate School, Sogang Univ.)
Hur, N. (Multi-Phenomena CFD Engineering Research Center(ERC), Sogang Univ.)
Moshfeghi, M. (Multi-Phenomena CFD Engineering Research Center(ERC), Sogang Univ.)
Kang, S. (Dept. of Mechanical Engineering, Sogang Univ.)
Kim, W. (Dept. of Mechanical Engineering, Sogang Univ.)
Kang, S.H. (Dept. of Mechanical and Aerospace Engineering, Seoul National Univ.)
Publication Information
Journal of computational fluids engineering / v.21, no.1, 2016 , pp. 103-109 More about this Journal
Abstract
With the rapid increase in the number of patients with cardiopulmonary diseases, more cardiopulmonary circulatory assist devices are also needed. These devices can be employed when heart and/or lung function poorly. Due to the critical role they take, these devices have to be designed optimally from both mechanical and biomechanical aspects. This paper presents the CFD results of a baseline model of a centrifugal blood pump for the ECMO condition. The details of flow characteristics of the baseline model together with the performance curves and the modified index of hemolysis(MIH) are investigated. Then, the geometry of baseline impeller and the volute are modified in order to improve the biomechanical performance and reduce the MIH value. The numerical simulations of two cases represent that when impeller radius and prime volume decrease the MIH value also decreases. In addition, the modified geometry shows more uniform pressure distribution inside the volute. The findings provide valuable information for further modification and improvement of centrifugal blood pumps from both mechanical and biomechanical aspects.
Keywords
CFD; Centrifugal Blood pump; ECMO(Extra Corporeal Membrane Oxygenation;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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1 1991, O'Conner, L., "Engineering a replacement of human heart," Mech Eng, Vol.1, pp.37-43.
2 2015, Chang, M., Hur, N., Moshfeghi, M., Kang, S., Kim, W. and Kang, S.H., "A Numerical Study on Mechanical Performance and Hemolysis for Different Type of Centrifugal Blood Pumps," IMECE 2015.
3 1986, Karassik, I.J. and Messina, J.P., "Pump hand book second edition," McGraw-Hill.
4 1972, Carreau, P.J., "Rheological Equations from Molecular Network Theories," Journal of Rheology, Vol.16, pp.99-127.   DOI
5 1986, Wurzinger, L.J., Opitz, R. and Eckstein, H., "Mechanical Bloodtrauma. An overview," Angeiologie, Vol.38, pp.81-97.
6 1990, Giersiepen, M. and Wurzinger, L.J., "Estimation of Shear Stress-related Blood Damage in Heart Valve Prosteses-In Vitro Comparison of 25 Aortic Valves," Artificial Organs, Vol.13, pp.300-306.   DOI
7 2004, Garon, A. and Farinas, M.I., "Fast Three-dimensional Numerical Hemolysis Approximation," Artificial Organs, Vol.28, pp.1016-1025.   DOI
8 2006, Farinas, M.I., Garon, A., Lacasse, D. and N'dri, D., "Asymptotically Consistent Numerical Approximation of Hemolysis," Journal of Biomechanical Engineering, Vol.128, pp.688-696.   DOI
9 2015, Chang, M., Hur, N., Moshfeghi, M., Kang, S., Kim, W. and Kang, S.H., "Investigation on Mechanical and Bio-mechanical Performance of a Centrifugal Blood Pump," Journal of Computational Fluids Engineering, Vol.20, pp.88-95.   DOI