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Related Experiment Videos

Basic study to develop an electromagnetic drive method for the rotary undulation pump.

Yusuke Abe1, Tsuneo Chinzei, Takashi Isoyama

  • 1Department of Biomedical Engineering, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan. abe@bme.rcast.u-tokyo.ac.jp

Artificial Organs
|November 18, 2003
PubMed
Summary

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Researchers explored levitation drive methods for a novel rotary undulation pump. Delta and Y wired methods showed better efficiency than magnetic repulsion, especially with active gap control.

Area of Science:

  • Engineering
  • Fluid Dynamics
  • Electromagnetism

Background:

  • The rotary undulation pump is a novel continuous flow pump with a unique operating principle.
  • Levitation drive methods offer a new approach to pump operation.

Purpose of the Study:

  • To investigate the feasibility of levitation drive methods for the rotary undulation pump.
  • To compare the performance of delta wired, Y wired, and repulsion drive methods.

Main Methods:

  • Development of an electromagnetic driver model and drive circuit.
  • Simulation and analysis of three different drive methods: delta wired, Y wired, and repulsion.
  • Evaluation of pump output and efficiency under varying load conditions.

Main Results:

Related Experiment Videos

  • All tested methods could drive the pump model.
  • The repulsion method demonstrated feasibility but had lower efficiency (<50%) compared to delta and Y wired methods.
  • Delta and Y wired methods exhibited similar efficiencies, which were higher than the repulsion method, especially under high load.

Conclusions:

  • Delta and Y wired levitation drive methods are more efficient than the repulsion method for this pump.
  • Active control of the gap distance in delta and Y wired methods is recommended for optimal performance.
  • The repulsion method, while not requiring active gap control, is less efficient.