Environmental Engineering Reference
In-Depth Information
the authors of this topic have obtained the design of a 3D model of the
rst rotary
magnetic prototype. It is planned to be built towards the end of 2014. Some
information regarding prototype characteristics and 3D model are presented in
Table
7.36
.
7.3 Conclusion
This section on rotary prototypes presents most of the rotary magnetic devices built
so far. There have been more than 20 different rotary devices built in the past
30 years. However, since there are a vast number of different design issues, it is of
course hard to address all of them. As one can see, the problems in rotary magnetic
refrigeration prototype design are not only in the AMR and magnet assembly
design, but also in the peripheral components, such as
ow circuits, valve
systems, heat exchangers, etc. Regarding the AMR and magnet assemblies, the
choice of the magnetocaloric material, its geometry and the choice of the driving
system for rotating the AMR/magnets are also of great importance. It has been
noted that all the components may seriously affect the ef
fl
uid-
fl
ciency of the device.
However, gradual improvements in the magnetic system components can be seen
and there is still a lot more room for optimization and development.
All the rotary devices are collected in Table
7.37
, together with their general
geometric as well as operating characteristics.
References
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