Environmental Engineering Reference
In-Depth Information
Table 7.1 Prototype built by Astronautics Technology Center and Ames Laboratory
Name and address of institute
Astronautics Corporation of America, Astronautics
Technology Center, 718 Walsh Rd, Madison WI 53714
Name of contact person/email
Dr. Steven L. Russek/s.russek@astronautics.com
Year of production
1997
Type
Reciprocating
Maximum frequency
0.16 Hz
Maximum cooling power
600 W at Δ T =9K
Maximum temperature span
23 K at 100 W
Type of AMR
Packed bed
MC material(s)
Gd spheres
Type of magnets
Superconducting, 5 T
The heat-transfer
uid was a mixture of water and a commercial ethylene glycol.
The counter current
fl
ow direction gear pump. The
best performance showed the AMR with spacing of 0.5 mm. It could produce
8.8 W kg 1 of speci
fl
ow was managed by reversible
fl
c cooling power at the temperature span of 5.6 K and oper-
ating frequency of 0.17 Hz. However, only some initial testing results were showed,
thus this was not the maximum performance. Furthermore, the AMR testing device
had one interesting feature. It was designed in a manner that thermal imaging could
be applied to measure the transient temperature pro
le along the AMR between the
hot and the cold side during the operation of the device.
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