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    Gas Transport in Serpentine Microporous Tubes Under Steady and Pulsatile Blood Flow Conditions

    Source: Journal of Biomechanical Engineering:;1991:;volume( 113 ):;issue: 002::page 223
    Author:
    Kazuo Tanishita
    ,
    Masanobu Ujihira
    ,
    Akihisa Watabe
    ,
    Kunio Nakano
    ,
    Peter D. Richardson
    ,
    Pierre M. Galletti
    DOI: 10.1115/1.2891238
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: A serpentine gas exchange unit was built with cylindrical tubular microporous membranes featuring periodic arcs with a fixed curvature ratio (ratio of tube radius to radius of curvature) of 1/14 and circular angles between 30 and 360 deg. Oxygen transfer was measured under steady and pulsatile blood flow conditions in vitro and ex vivo to assess the design features which most effectively augment gas transfer. Under steady blood flow conditions, oxygen transfer increased with circular angles beyond 70 deg. Under pulsatile conditions, a wide range of geometrical and fluid mechanical parameters could be combined to enhance gas transfer performance, which eventually depended upon the secondary Reynolds number and the Womersley parameter.
    keyword(s): Blood flow , Oxygen , Fluid mechanics , Reynolds number , Design AND Membranes ,
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      Gas Transport in Serpentine Microporous Tubes Under Steady and Pulsatile Blood Flow Conditions

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/108187
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    • Journal of Biomechanical Engineering

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    contributor authorKazuo Tanishita
    contributor authorMasanobu Ujihira
    contributor authorAkihisa Watabe
    contributor authorKunio Nakano
    contributor authorPeter D. Richardson
    contributor authorPierre M. Galletti
    date accessioned2017-05-08T23:34:54Z
    date available2017-05-08T23:34:54Z
    date copyrightMay, 1991
    date issued1991
    identifier issn0148-0731
    identifier otherJBENDY-25869#223_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/108187
    description abstractA serpentine gas exchange unit was built with cylindrical tubular microporous membranes featuring periodic arcs with a fixed curvature ratio (ratio of tube radius to radius of curvature) of 1/14 and circular angles between 30 and 360 deg. Oxygen transfer was measured under steady and pulsatile blood flow conditions in vitro and ex vivo to assess the design features which most effectively augment gas transfer. Under steady blood flow conditions, oxygen transfer increased with circular angles beyond 70 deg. Under pulsatile conditions, a wide range of geometrical and fluid mechanical parameters could be combined to enhance gas transfer performance, which eventually depended upon the secondary Reynolds number and the Womersley parameter.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleGas Transport in Serpentine Microporous Tubes Under Steady and Pulsatile Blood Flow Conditions
    typeJournal Paper
    journal volume113
    journal issue2
    journal titleJournal of Biomechanical Engineering
    identifier doi10.1115/1.2891238
    journal fristpage223
    journal lastpage229
    identifier eissn1528-8951
    keywordsBlood flow
    keywordsOxygen
    keywordsFluid mechanics
    keywordsReynolds number
    keywordsDesign AND Membranes
    treeJournal of Biomechanical Engineering:;1991:;volume( 113 ):;issue: 002
    contenttypeFulltext
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