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Performance of a centrifugal pump running in inverse mode

Fernandez, J. and Blanco, E. and Parrondo, J. and Stickland, M.T. and Scanlon, T.J. (2004) Performance of a centrifugal pump running in inverse mode. Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy, 218 (4). pp. 265-271. ISSN 0957-6509

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    Abstract

    This paper presents the functional characterization of a centrifugal pump used as a turbine. It shows the characteristics of the machine involved at several rotational speeds, comparing the respective flows and heads. In this way, it is possible to observe the influence of the rotational speed on efficiency, as well as obtaining the characteristics at constant head and runaway speed. Also, the forces actuating on the impeller were studied. An uncertainty analysis was made to assess the accuracy of the results. The research results indicate that the turbine characteristics can be predicted to some extent from the pump characteristics, that water flows out of the runner free of swirl flow at the best efficiency point, and that radial stresses are lower than in pump mode.

    Item type: Article
    ID code: 5044
    Keywords: turbomachinery, inverse mode, forces, constant head, power engineering, mechanical engineering, Mechanical engineering and machinery, Energy Engineering and Power Technology, Mechanical Engineering
    Subjects: Technology > Mechanical engineering and machinery
    Department: Faculty of Engineering > Mechanical and Aerospace Engineering
    Related URLs:
      Depositing user: Strathprints Administrator
      Date Deposited: 21 Dec 2007
      Last modified: 11 Jun 2014 05:25
      URI: http://strathprints.strath.ac.uk/id/eprint/5044

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