A compact cryogenic pump

•A compact centrifugal cryogenic pump for circulating liquid nitrogen has been designed.•A novel gas release structure resolved the cavitation problem.•The pump has proven reliable and cost-effective for small-scale laboratory use. A centrifugal cryogenic pump has been designed at Argonne National L...

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Published inCryogenics (Guildford) Vol. 75; no. C; pp. 35 - 37
Main Authors Li, Gang, Caldwell, Shane, Clark, Jason A., Gulick, Sidney, Hecht, Adam, Lascar, Daniel D., Levand, Tony, Morgan, Graeme, Orford, Rodney, Savard, Guy, Sharma, Kumar S., Van Schelt, Jonathon
Format Journal Article
LanguageEnglish
Published United Kingdom Elsevier Ltd 01.04.2016
Elsevier
Subjects
Centrifugal pump
Circulation
Cryogenic pump
Cryopumping
Fluid dynamics
Fluid flow
Fluids
Liquid nitrogen
Maintenance
Pumps
Centrifugal pump
Liquid nitrogen
Cryogenic pump
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Summary:•A compact centrifugal cryogenic pump for circulating liquid nitrogen has been designed.•A novel gas release structure resolved the cavitation problem.•The pump has proven reliable and cost-effective for small-scale laboratory use. A centrifugal cryogenic pump has been designed at Argonne National Laboratory to circulate liquid nitrogen (LN2) in a closed circuit allowing the recovery of excess fluid. The pump can circulate LN2 at rates of 2–10L/min, into a head of 0.5–3m. Over four years of laboratory use the pump has proven capable of operating continuously for 50–100days without maintenance.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
AC02-06CH11357
USDOE
ISSN:0011-2275
1879-2235
DOI:10.1016/j.cryogenics.2015.12.006