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Develop
capacity control for cryogenic cooling systems:
i.e. efficient capacity variation of the
refrigerator to match the instantaneous load, so
that compressor power is not wasted (important for
electric utilities)
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- Experiment
on the existing Cryomech GB-37 unit with
variation of the compressor bypass flow and
helium charge pressure, to determine the effect
on unit efficiency.
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- Consider
design of an automatic charge pressure
regulating system with a buffer tank and
regulators.
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System
architecture research and design as well as
evaluation of cryogenic cycles and requirements for
HTS power applications
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- includes
refrigeration cycle simulations
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NASA
Kennedy Space
Center
and industry develop low thermal loss insulation
for many HTS cable, flexible pipes and other
cryostats.
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Cryogenic
system for the 30-meter industrial HTS power cable
system
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ORNL was
involved in the specification, procurement, and
initial operation of the cryogenic system for the
30-meter HTS power transmission
cable.
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