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  • Fluidic mechanism for dual-axis gyroscope

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    Dau165457.pdf (2.834Mb)
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    Accepted Manuscript (AM)
    Author(s)
    Van, Thanh Dau
    Thien, Xuan Dinh
    Canh, Dung Tran
    Phong, Nhu Bui
    Du, Dinh Vien
    Hoa, Thanh Phan
    Griffith University Author(s)
    Dau, Van
    Year published
    2018
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    Abstract
    In this paper, we report a further study of flow-network generating four jet flows which circulate in a sealed device to experimentally investigate the feasibility and efficiency of a dual-axis gyroscope. The experiment is carried out successfully and the experimental results reasonably agreed with those obtained by numerical analysis using OpenFOAM. The flow rectifying coefficient is determined using the mathematical lump model for a vibrating system, which takes into account of the device geometry and resonant frequency. Experimental and numerical results demonstrate that the coefficient of the new system developed in this ...
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    In this paper, we report a further study of flow-network generating four jet flows which circulate in a sealed device to experimentally investigate the feasibility and efficiency of a dual-axis gyroscope. The experiment is carried out successfully and the experimental results reasonably agreed with those obtained by numerical analysis using OpenFOAM. The flow rectifying coefficient is determined using the mathematical lump model for a vibrating system, which takes into account of the device geometry and resonant frequency. Experimental and numerical results demonstrate that the coefficient of the new system developed in this study is significantly higher than those of conventional designs. The hotwire-integrated device which can function as a dual-axis gyroscope is tested using a turntable with speeds up to 1900 rpm. The scale factor and cross-sensitivity of the system are 0.26 μV s/° and 1.2%, respectively. The cross-sensitivity and the effects of linear acceleration, actuating voltage on the diaphragm, heating power and position of hotwires are also investigated.
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    Journal Title
    MECHANICAL SYSTEMS AND SIGNAL PROCESSING
    Volume
    108
    DOI
    https://doi.org/10.1016/j.ymssp.2018.02.017
    Copyright Statement
    © 2018 Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International Licence (http://creativecommons.org/licenses/by-nc-nd/4.0/) which permits unrestricted, non-commercial use, distribution and reproduction in any medium, providing that the work is properly cited.
    Subject
    Civil engineering
    Mechanical engineering
    Other engineering
    Publication URI
    http://hdl.handle.net/10072/383266
    Collection
    • Journal articles

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