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Experimental Investigations of a MR Clutch for a Centrifugal Pump

  • A. I. BosiocEmail author
  • T. Ardelean
  • R. Szakal
  • S. Muntean
  • I. Borbath
  • L. Vékás
Chapter
Part of the Advanced Structured Materials book series (STRUCTMAT, volume 98)

Abstract

A magneto-rheological clutch was designed and built in order to modify the speed of an axial rotor mounted in front of a centrifugal pump. The main goal by modifying the speed of the axial rotor is to increase the operating regimes with less cavitation and to uniform the flow at the inlet of the pump impeller. The magneto-rheological clutch is tested separately on a preliminary test rig, in order to analyse in detail, the working parameters (generated torque, the interior and exterior temperature). Also, the test rig serves testing different MR fluids available on the market as well as several MR fluids developed and characterized in our laboratory. The preliminary test rig consists in one fixed (2500 rpm) and one variable speed electric motors (2000–2500 rpm), a torque transducer (0–20 Nm), the magneto-rheological clutch, temperature sensors as well as a control and acquisition system. The aim of this study is to provide a first experimental evaluation of the magneto-rheological clutch designed and built for a special application. First, the paper presents the problem and our solution using the MRC. Second, we focus on the magneto-rheological clutch and the test rig; the magnetic and mechanical design of the clutch is presented, while for the test rig the operating conditions will be described. The third part analyses the results: the generated torque and power at different speeds, the interior and exterior temperature. The last section draws the conclusions.

Keywords

MR clutch Mechanical–magnetic design Experimental investigation 

Notes

Acknowledgements

This work was supported by a grant of the Romanian Ministry of Research and Innovation, CNCS—UEFISCDI, project number PN-II-RU-TE-2014-4-1089 and mobility grant project number PN-III-P1-1.1-MC-2018-0423, within PNCDI III.

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • A. I. Bosioc
    • 1
    Email author
  • T. Ardelean
    • 1
  • R. Szakal
    • 1
  • S. Muntean
    • 1
    • 2
  • I. Borbath
    • 3
  • L. Vékás
    • 2
  1. 1.University Politehnica TimișoaraTimișoaraRomania
  2. 2.Romanian Academy - Timișoara BranchTimișoaraRomania
  3. 3.SC. Roseal S.A., Odorheiu SecuiescOdorheiu SecuiescRomania

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