Three-Stage Thermally Coupled Stirling/Pulse Tube Hybrid Cryocooler
Zhileng xuebaoLow-temperature superconductivity and space exploration urgently require compact， highly reliable， and long-lifespan cooling technologies that operate at the liquid-helium temperature.
Li Zhengkun +3 more
doaj
Study on Iron Loss in Two Kinds of Moving-magnet Linear Motors [PDF]
, 2012 Linear motors are widely used in cryogenic fields to drive Stirling-type cryocoolers. Generally the Joule heat loss associated with copper lead is considered as the main loss in motors while the iron loss is ignored at a lower frequency operation, not ...
Gan, Zhihua +3 more
core +1 more source
CFD simulation of the gas flow in a pulse tube cryocooler with two pulse tubes
IOP Conference Series: Materials Science and Engineering, 2015 In this paper, in order to instruct the next optimization work, a two-dimension Computational Fluid Dynamics (CFD) model is developed to simulate temperature distribution and velocity distribution of oscillating fluid in the DPTC by individual phase-shifting.
openaire +1 more source
Modeling and experiments on fast cooldown of a 120 Hz pulse tube cryocooler [PDF]
, 2008 High frequency operation of a pulse tube cryocooler leads to reduced regenerator volume, which results in a reduced heat capacity and a faster cooldown time.
Radebaugh, R. +5 more
core +2 more sources
Sensitivity of ultra high frequency pulse tube cryocooler from acoustic viewpoint
, 2012 International audienceHigh frequency Stirling type pulse tube cryocooler promises higher specific power which is attractive for many applications. For the past several years, we have been working on a 300 Hz pulse tube cryocooler.
Yu, Guoyao +4 more
core
Numerical simulation and exergy analysis of a single-stage GM cryocooler. [PDF]
Heliyon, 2023 Zhao Q +6 more
europepmc +1 more source
Numerical Analysis of Regenerator and Stirling Type Pulse Tube Cryocooler
, 2017 For producing temperature up to cryogenic range the cryocooler is the most important device and the cryogenic regenerator is the vital part of a cryocooler.
Kumar, Jitesh
core
Direct cooling from the regenerators of Gifford-McMahon cryocoolers, with comparison to pulse tube refrigerators. [PDF]
Cryogenics (Guildf), 2022 Snodgrass R, Ullom J.
europepmc +1 more source
CFD Analysis of Stirling Type Inertance Tube Pulse Tube Refrigerator [PDF]
, 2016 Pulse tube cryocooler are generally one dimensional flow fields.By using two stage pulse tube cryocooler one can reach up to very low temperature.In it the compression and expansion of gas inside the pulse tube generates the required temperature.The main
Khandual, Abinash
core
Why High-Frequency Pulse Tubes Can Be Tipped
, 2008 Presented at the 16th International Cryocooler Conference, held May 17-20, 2008 in Atlanta, Georgia.The typical low-frequency pulse-tube refrigerator loses significant cooling power when it is tipped with the pulse tube’s cold end above its hot end ...
Backhaus, S., Swift, G. W.
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