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IIR document

Transient simulation of the active magnetic regenerator process.

Number: pap. 98

Author(s) : CHRISTIAANSE T. V., GOVINDAPPA P., NIKNIA I., et al.

Summary

A simplified modeling scheme is proposed to model hours of operation of AMR prototype systems. The modeling scheme could allow for quick assessments of AMR sizing based on system response time requirements. Hours of experimental operation were computed <1min on a laptop. The scheme is based on the use of a lumped mass model. The model includes the heat load, heat leaks and AMR cooling power. We have found that the model works well within room temperature rejection temperatures under loading conditions of 10W. However, under no load conditions the model over predicts the temperature span of the system. This could be due to improper characterization of the heat leaks with the system. The accuracy of the model shows potential for future development as region of validity is close to the region of interest for commercial applications.

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Pages: 4 p.

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Details

  • Original title: Transient simulation of the active magnetic regenerator process.
  • Record ID : 30019316
  • Languages: English
  • Source: 7th International Conference on Magnetic Refrigeration at Room Temperature (Thermag VII). Proceedings: Turin, Italy, September 11-14, 2016.
  • Publication date: 2016/09/11
  • DOI: http://dx.doi.org/10.18462/iir.thermag.2016.0098

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