Document Detail


An Investigation of Pulsatile Flow Past Two Cylinders as a Model of Blood Flow in an Artificial Lung.
MedLine Citation:
PMID:  21701672     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Pulsatile flow across two circular cylinders with different geometric arrangements is studied experimentally using the particle image velocimetry method and numerically using the finite element method. This investigation is motivated the need to optimize gas transfer and fluid mechanical impedance for a total artificial lung, in which the right heart pumps blood across a bundle of hollow microfibers. Vortex formation was found to occur at lower Reynolds numbers in pulsatile flow than in steady flow, and the vortex structure depends strongly on the geometric arrangement of the cylinders and on the Reynolds and Stokes numbers.
Authors:
Yu-Chun Lin; Khalil M Khanafer; Robert H Bartlett; Ronald B Hirschl; Joseph L Bull
Publication Detail:
Type:  JOURNAL ARTICLE    
Journal Detail:
Title:  International journal of heat and mass transfer     Volume:  54     ISSN:  0017-9310     ISO Abbreviation:  -     Publication Date:  2011 Jul 
Date Detail:
Created Date:  2011-6-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101492571     Medline TA:  Int J Heat Mass Transf     Country:  -    
Other Details:
Languages:  ENG     Pagination:  3191-3200     Citation Subset:  -    
Affiliation:
Biomedical Engineering Department, The University of Michigan, Ann Arbor, MI 48109.
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Descriptor/Qualifier:
Grant Support
ID/Acronym/Agency:
R01 HL069420-05//NHLBI NIH HHS; R01 HL089043-01A2//NHLBI NIH HHS; R01 HL089043-02//NHLBI NIH HHS

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