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The prototype of an effective device for magnetic refrigeration.

Author(s) : BUCHELNIKOV V. D., TASKAEV S. V., BYCHKOV I. V., et al.

Summary

This paper reports on the results of assembling of an active magnetic refrigeration (AMR) device working near room temperatures. The main problems that occur during the process of designing magnetic refrigeration devices are materials with high magnetocaloric effect (MCE) near room temperature (they also are to be cheap, ecologically and technologically friendly), permanent sources of a high magnetic field and operating frequency. One of the most promising alloys with giant MCE near room temperature is a Ni-Mn-Ga based alloy. These Heusler alloys have a giant MCE in a wide range of concentration due to a coupled magnetostructural phase transition. The aim of this research is to try to assemble the prototype of a magnetic cooling device working on Ni-Mn-Ga alloys, in which the working alloy and magnetic subsystem can be easily substituted to a new MCE alloys and permanent magnets.

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Pages: 2007-1

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Details

  • Original title: The prototype of an effective device for magnetic refrigeration.
  • Record ID : 2007-1577
  • Languages: English
  • Source: 2nd International Conference on Magnetic Refrigeration at Room Temperature
  • Publication date: 2007/04/11

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