Transactions of the Visualization Society of Japan
Online ISSN : 1346-5260
ISSN-L : 1346-5252
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Volume 39, Issue 5
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  • Experimental Analysis for Internal Flow Field of Torque Converter
    ― Application of wavelet analysis to flow field between cascades ―
    Yasunori KUNISAKI, Shigeru MURATA, Yohsuke TANAKA, Tomoya TAKEDA
    2019 Volume 39 Issue 5 Pages 11-18
    Published: 2019
    Released on J-STAGE: June 30, 2019
    DOIhttps://doi.org/10.3154/tvsj.39.11
    JOURNAL FREE ACCESS
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    The internal flow field of an automotive torque converter is visualized experimentally by using Particle Image Velocimetry (PIV). The three-dimensional flow field is reconstructed using a series of the two-dimensional PIV results obtained from two orthogonal directions. Detail information of the flow structure with three-dimensional vortex are obtained. In addition, wavelet transform is applied to time series of velocity component in axial direction to analyze the unsteady flow field due to the flow interactions between cascade blades of impeller, turbine and stator. From the wavelet results, the effect of the stator on features of frequency characteristics are confirmed.

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