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    An Analysis of Unsteady Torque on a Two-Dimensional Radial Impeller

    Source: Journal of Fluids Engineering:;1982:;volume( 104 ):;issue: 002::page 228
    Author:
    K. Imaichi
    ,
    Y. Yoshida
    ,
    Y. Tsujimoto
    DOI: 10.1115/1.3241815
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: Unsteady flows around radial impellers are analyzed by the use of singularity methods. Unsteady torque is given for transient and/or sinusoidal flow rate and/or angular velocity fluctuation. It is shown that the unsteady torque can be divided into three components—quasisteady, apparent mass and wake—and the nature of each component is discussed. As a result of separating the torque into these three components, it is shown that the wake component is usually smaller than the others. A gross estimate of torque fluctuation can be made easily by using the apparent mass coefficient given in the paper for logarithmic impellers covering a wide range of blade angles, blade numbers and impeller diameter ratios.
    keyword(s): Impellers , Torque , Wakes , Blades , Unsteady flow AND Flow (Dynamics) ,
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      An Analysis of Unsteady Torque on a Two-Dimensional Radial Impeller

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/96009
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    contributor authorK. Imaichi
    contributor authorY. Yoshida
    contributor authorY. Tsujimoto
    date accessioned2017-05-08T23:13:40Z
    date available2017-05-08T23:13:40Z
    date copyrightJune, 1982
    date issued1982
    identifier issn0098-2202
    identifier otherJFEGA4-26983#228_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/96009
    description abstractUnsteady flows around radial impellers are analyzed by the use of singularity methods. Unsteady torque is given for transient and/or sinusoidal flow rate and/or angular velocity fluctuation. It is shown that the unsteady torque can be divided into three components—quasisteady, apparent mass and wake—and the nature of each component is discussed. As a result of separating the torque into these three components, it is shown that the wake component is usually smaller than the others. A gross estimate of torque fluctuation can be made easily by using the apparent mass coefficient given in the paper for logarithmic impellers covering a wide range of blade angles, blade numbers and impeller diameter ratios.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleAn Analysis of Unsteady Torque on a Two-Dimensional Radial Impeller
    typeJournal Paper
    journal volume104
    journal issue2
    journal titleJournal of Fluids Engineering
    identifier doi10.1115/1.3241815
    journal fristpage228
    journal lastpage234
    identifier eissn1528-901X
    keywordsImpellers
    keywordsTorque
    keywordsWakes
    keywordsBlades
    keywordsUnsteady flow AND Flow (Dynamics)
    treeJournal of Fluids Engineering:;1982:;volume( 104 ):;issue: 002
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
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