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Polar is a research refrigerator designed and developed by
University of Alabama at Birmingham The University of Alabama at Birmingham (UAB) is a Public university#United States, public List of research universities in the United States, research university in Birmingham, Alabama. Developed from an academic extension center established i ...
(UAB) Center for Biophysical Sciences and Engineering (CBSE) for
NASA The National Aeronautics and Space Administration (NASA ) is an independent agency of the US federal government responsible for the civil space program, aeronautics research, and space research. NASA was established in 1958, succeeding t ...
Cold Stowage. Polar was designed as a single mid-deck locker equivalent
payload Payload is the object or the entity which is being carried by an aircraft or launch vehicle. Sometimes payload also refers to the carrying capacity of an aircraft or launch vehicle, usually measured in terms of weight. Depending on the nature of ...
to store scientific samples on-board
ISS The International Space Station (ISS) is the largest modular space station currently in low Earth orbit. It is a multinational collaborative project involving five participating space agencies: NASA (United States), Roscosmos (Russia), JAXA (J ...
and in transport to/from
ISS The International Space Station (ISS) is the largest modular space station currently in low Earth orbit. It is a multinational collaborative project involving five participating space agencies: NASA (United States), Roscosmos (Russia), JAXA (J ...
via
SpaceX Dragon American private space transportation company SpaceX has developed and produced several spacecraft named Dragon. The first family member, now referred to as Dragon 1, flew 23 cargo missions to the ISS between 2010 and 2020 before being retired ...
or
Cygnus spacecraft Cygnus is an expendable American cargo spacecraft developed by Orbital Sciences Corporation and now manufactured and launched by Northrop Grumman Space Systems as part of NASA's Commercial Resupply Services (CRS) program. It is launched by Nor ...
. Polar operates between .


Description

* Polar is mounted in the
ISS The International Space Station (ISS) is the largest modular space station currently in low Earth orbit. It is a multinational collaborative project involving five participating space agencies: NASA (United States), Roscosmos (Russia), JAXA (J ...
on the EXpedite the PRocessing of Experiments to Space Station (EXPRESS) rack. * Polar can maintain temperatures ranging from . * Polar is
air-cooled Air-cooled engines rely on the circulation of air directly over heat dissipation fins or hot areas of the engine to cool them in order to keep the engine within operating temperatures. In all combustion engines, a great percentage of the heat ge ...
via rear-air fan.


Additional Cold Stowage

Polar is one of multiple units available for storage on the
ISS The International Space Station (ISS) is the largest modular space station currently in low Earth orbit. It is a multinational collaborative project involving five participating space agencies: NASA (United States), Roscosmos (Russia), JAXA (J ...
and/or transportation to and from the
ISS The International Space Station (ISS) is the largest modular space station currently in low Earth orbit. It is a multinational collaborative project involving five participating space agencies: NASA (United States), Roscosmos (Russia), JAXA (J ...
. Others include: *
Minus Eighty Degree Laboratory Freezer for ISS The Minus Eighty-Degree Laboratory Freezer for ISS (MELFI) is a European-built experiment storage freezer for the International Space Station. It comprises four independent dewars which can be set to operate at different temperatures. Currently tem ...
(MELFI) ** *
MERLIN (Microgravity Experiment Research Locker/ Incubator) Microgravity Experiment Research Locker/Incubator (MERLIN) was designed by University of Alabama at Birmingham (UAB) Center for Biophysical Sciences and Engineering (CBSE) to operate as a hardmounted, single middeck locker equivalent within the ISS ...
** *
GLACIER (General Laboratory Active Cryogenic ISS Experiment Refrigerator) GLACIER (General Laboratory Active Cryogenic ISS Experiment Refrigerator) was designed and developed by University of Alabama at Birmingham (UAB) Center for Biophysical Sciences and Engineering (CBSE) for NASA Cold Stowage. Glacier was originally de ...
**


See also

*
Scientific research on the ISS The International Space Station is a platform for scientific research that requires one or more of the unusual conditions present in low Earth orbit (for example microgravity, ( cosmic) - radiation and extreme temperatures). The primary field ...
*
International Space Station The International Space Station (ISS) is the largest modular space station currently in low Earth orbit. It is a multinational collaborative project involving five participating space agencies: NASA (United States), Roscosmos (Russia), JAXA ...
*
SpaceX Dragon American private space transportation company SpaceX has developed and produced several spacecraft named Dragon. The first family member, now referred to as Dragon 1, flew 23 cargo missions to the ISS between 2010 and 2020 before being retired ...


References

{{Reflist University of Alabama at Birmingham Cooling technology Space technology